{"id":298,"date":"2025-03-24T08:54:50","date_gmt":"2025-03-23T23:54:50","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=298"},"modified":"2025-03-24T08:54:50","modified_gmt":"2025-03-23T23:54:50","slug":"spring-framework-transactional%e3%83%9e%e3%82%b9%e3%82%bf%e3%83%bc%e3%82%ac%e3%82%a4%e3%83%89%ef%bc%9a7%e3%81%a4%e3%81%ae%e6%9c%80%e9%81%a9%e5%8c%96%e3%83%86%e3%82%af%e3%83%8b%e3%83%83%e3%82%af","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=298","title":{"rendered":"Spring Framework @Transactional\u30de\u30b9\u30bf\u30fc\u30ac\u30a4\u30c9\uff1a7\u3064\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u7b56"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"i-0\">1. Spring Framework @Transactional\u306e\u57fa\u790e<\/h1>\n\n\n\n<p>Spring Framework\u306f\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30baJava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u30c4\u30fc\u30eb\u3068\u3057\u3066\u5e83\u304f\u8a8d\u77e5\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067\u3082\u3001<code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u3092\u542b\u3080\u8907\u96d1\u306a\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3092\u5b9f\u88c5\u3059\u308b\u4e0a\u3067\u3001\u6975\u3081\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">1. Spring Framework @Transactional\u306e\u57fa\u790e<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">@Transactional\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u5f79\u5272\u3068\u91cd\u8981\u6027<\/a>      <\/li>      <li>        <a href=\"#i-2\">\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u57fa\u672c\u539f\u5247\uff08ACID\u7279\u6027\uff09<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">@Transactional\u306e\u9069\u5207\u306a\u4f7f\u7528\u3068\u4e00\u822c\u7684\u306a\u8aa4\u7528<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">2. @Transactional\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u8a73\u7d30\u8a2d\u5b9a<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">propagation\u5c5e\u6027\uff1a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4f1d\u64ad\u65b9\u5f0f\u3092\u5236\u5fa1\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-6\">isolation\u5c5e\u6027\uff1a\u4e26\u884c\u51e6\u7406\u6642\u306e\u30c7\u30fc\u30bf\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-7\">timeout\u5c5e\u6027\uff1a\u9577\u6642\u9593\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u9632\u3050<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-8\">\u8907\u5408\u7684\u306a\u8a2d\u5b9a\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-9\">3. @Transactional\u306e\u9069\u7528\u7bc4\u56f2\u3068\u5236\u9650\u4e8b\u9805<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-10\">\u30e1\u30bd\u30c3\u30c9\u30ec\u30d9\u30ebvs.\u30af\u30e9\u30b9\u30ec\u30d9\u30eb\u306e@Transactional<\/a>      <\/li>      <li>        <a href=\"#i-13\">private\u3001protected\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u3067\u306e\u6ce8\u610f\u70b9<\/a>      <\/li>      <li>        <a href=\"#i-14\">\u305d\u306e\u4ed6\u306e\u6ce8\u610f\u70b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u63a8\u5968\u4e8b\u9805<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-16\">4. \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u6d3b\u7528\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a<\/a>      <\/li>      <li>        <a href=\"#i-22\">\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-26\">\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5206\u5272\u306b\u3088\u308b\u51e6\u7406\u306e\u52b9\u7387\u5316<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-32\">\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u306e\u6bd4\u8f03\u3068\u9069\u7528\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-33\">5. @Transactional\u3068\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-34\">rollbackFor\u5c5e\u6027\u3092\u4f7f\u7528\u3057\u305f\u7d30\u304b\u3044\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u5236\u5fa1<\/a>      <\/li>      <li>        <a href=\"#i-37\">\u4f8b\u5916\u767a\u751f\u6642\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u52d5\u4f5c\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-41\">\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-42\">6. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-43\">\u4e0d\u8981\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u524a\u6e1b\u3067\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u8efd\u6e1b<\/a>      <\/li>      <li>        <a href=\"#i-46\">\u9069\u5207\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5883\u754c\u306e\u8a2d\u5b9a\u3067\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u6539\u5584<\/a>      <\/li>      <li>        <a href=\"#i-49\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30d7\u30fc\u30eb\u306e\u6700\u9069\u5316\u3068\u306e\u9023\u643a<\/a>      <\/li>      <li>        <a href=\"#i-52\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6e2c\u5b9a\u3068\u6700\u9069\u5316\u306e\u30d7\u30ed\u30bb\u30b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-56\">\u307e\u3068\u3081\uff1a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-57\">7. @Transactional\u306e\u9ad8\u5ea6\u306a\u4f7f\u7528\u4f8b\u3068\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-58\">\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u7ba1\u7406\u624b\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-62\">\u975e\u540c\u671f\u51e6\u7406\u3068\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u7d71\u5408<\/a>      <\/li>      <li>        <a href=\"#i-66\">\u9ad8\u5ea6\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-69\">\u307e\u3068\u3081<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-70\">8. \u307e\u3068\u3081\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-71\">@Transactional\u30de\u30b9\u30bf\u30fc\u5316\u306e\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/a>      <\/li>      <li>        <a href=\"#i-72\">\u3055\u3089\u306a\u308b\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9\u3068\u5b9f\u8df5\u7684\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-73\">\u7d99\u7d9a\u7684\u306a\u5b66\u7fd2\u306e\u91cd\u8981\u6027<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-1\">@Transactional\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u5f79\u5272\u3068\u91cd\u8981\u6027<\/h2>\n\n\n\n<p><code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001Spring Framework\u304c\u63d0\u4f9b\u3059\u308b\u5ba3\u8a00\u7684\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u4e2d\u5fc3\u7684\u306a\u6a5f\u80fd\u3067\u3059\u3002\u3053\u306e\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u958b\u767a\u8005\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u70b9\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30dc\u30a4\u30e9\u30fc\u30d7\u30ec\u30fc\u30c8\u30b3\u30fc\u30c9\u306e\u524a\u6e1b<\/strong>: \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306b\u95a2\u3059\u308b\u5197\u9577\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306b\u96c6\u4e2d\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u4e00\u8cab\u6027\u306e\u3042\u308b\u4f8b\u5916\u51e6\u7406<\/strong>: \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u9069\u5207\u306b\u51e6\u7406\u3057\u3001\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u67d4\u8edf\u306a\u8a2d\u5b9a<\/strong>: \u30d7\u30ed\u30d1\u30b2\u30fc\u30b7\u30e7\u30f3\u3001\u30a2\u30a4\u30bd\u30ec\u30fc\u30b7\u30e7\u30f3\u30ec\u30d9\u30eb\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306a\u3069\u3001\u7d30\u304b\u3044\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>AOP\uff08\u30a2\u30b9\u30da\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\uff09\u306e\u6d3b\u7528<\/strong>: \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u6a2a\u65ad\u7684\u95a2\u5fc3\u4e8b\u3068\u3057\u3066\u5206\u96e2\u3057\u3001\u30b3\u30fc\u30c9\u306e\u758e\u7d50\u5408\u6027\u3092\u9ad8\u3081\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001<code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u672c\u7684\u306a\u4f7f\u7528\u4f8b\u3067\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class UserService {\n    @Autowired\n    private UserRepository userRepository;\n\n    @Transactional\n    public void createUser(User user) {\n        userRepository.save(user);\n        \/\/ \u4ed6\u306e\u95a2\u9023\u3059\u308b\u64cd\u4f5c...\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001<code>createUser<\/code>\u30e1\u30bd\u30c3\u30c9\u5168\u4f53\u304c\u5358\u4e00\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5883\u754c\u5185\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u30e1\u30bd\u30c3\u30c9\u5185\u306e\u3059\u3079\u3066\u306e\u64cd\u4f5c\u304c\u6210\u529f\u3057\u305f\u5834\u5408\u306b\u306e\u307f\u30b3\u30df\u30c3\u30c8\u3055\u308c\u3001\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u81ea\u52d5\u7684\u306b\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-2\">\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u57fa\u672c\u539f\u5247\uff08ACID\u7279\u6027\uff09<\/h2>\n\n\n\n<p>\u52b9\u679c\u7684\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u884c\u3046\u305f\u3081\u306b\u306f\u3001ACID\u3068\u547c\u3070\u308c\u308b4\u3064\u306e\u91cd\u8981\u306a\u7279\u6027\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Atomicity\uff08\u539f\u5b50\u6027\uff09<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5185\u306e\u3059\u3079\u3066\u306e\u64cd\u4f5c\u304c\u6210\u529f\u3059\u308b\u304b\u3001\u3059\u3079\u3066\u5931\u6557\u3059\u308b\u304b\u306e\u3044\u305a\u308c\u304b\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4f8b\uff1a\u9280\u884c\u9001\u91d1\u3067\u3001\u9001\u91d1\u5143\u53e3\u5ea7\u304b\u3089\u306e\u5f15\u304d\u843d\u3068\u3057\u3068\u9001\u91d1\u5148\u53e3\u5ea7\u3078\u306e\u5165\u91d1\u304c\u3001\u4e21\u65b9\u6210\u529f\u3059\u308b\u304b\u4e21\u65b9\u5931\u6557\u3059\u308b\u304b\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Consistency\uff08\u4e00\u8cab\u6027\uff09<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u524d\u5f8c\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u4e00\u8cab\u3057\u305f\u72b6\u614b\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4f8b\uff1a\u5728\u5eab\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3067\u3001\u5546\u54c1\u306e\u5728\u5eab\u6570\u304c\u8ca0\u306e\u5024\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Isolation\uff08\u5206\u96e2\u6027\uff09<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u540c\u6642\u5b9f\u884c\u3055\u308c\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u9593\u306e\u5e72\u6e09\u3092\u9632\u304e\u3001\u5404\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u72ec\u7acb\u3057\u3066\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u305b\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4f8b\uff1a\u540c\u6642\u306b\u540c\u3058\u5546\u54c1\u3092\u8cfc\u5165\u3057\u3088\u3046\u3068\u3059\u308b\u8907\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u3044\u3066\u3082\u3001\u5728\u5eab\u6570\u304c\u6b63\u78ba\u306b\u66f4\u65b0\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Durability\uff08\u6c38\u7d9a\u6027\uff09<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u7d50\u679c\u304c\u6c38\u7d9a\u7684\u306b\u4fdd\u5b58\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4f8b\uff1a\u30e6\u30fc\u30b6\u30fc\u306e\u6ce8\u6587\u60c5\u5831\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u305f\u5f8c\u3001\u30b7\u30b9\u30c6\u30e0\u30af\u30e9\u30c3\u30b7\u30e5\u304c\u767a\u751f\u3057\u3066\u3082\u3001\u305d\u306e\u6ce8\u6587\u60c5\u5831\u304c\u5931\u308f\u308c\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>Spring Framework\u306e<code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u3053\u308c\u3089\u306eACID\u7279\u6027\u3092\u9069\u5207\u306b\u7ba1\u7406\u3057\u3001\u5805\u7262\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3092\u652f\u63f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">@Transactional\u306e\u9069\u5207\u306a\u4f7f\u7528\u3068\u4e00\u822c\u7684\u306a\u8aa4\u7528<\/h2>\n\n\n\n<p><code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u52b9\u679c\u7684\u306b\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30dd\u30a4\u30f3\u30c8\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9069\u5207\u306a\u7c92\u5ea6<\/strong>: \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5883\u754c\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7c92\u5ea6\u304c\u5927\u304d\u3059\u304e\u308b\u3068\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4f4e\u4e0b\u3084\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Service\n   public class OrderService {\n       @Transactional\n       public void processOrder(Order order) {\n           \/\/ \u6ce8\u6587\u51e6\u7406\u306e\u30ed\u30b8\u30c3\u30af\n       }\n   }<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>public \u30e1\u30bd\u30c3\u30c9\u306b\u9650\u5b9a<\/strong>: Spring AOP\u306e\u5236\u9650\u306b\u3088\u308a\u3001<code>@Transactional<\/code>\u306f public \u30e1\u30bd\u30c3\u30c9\u306b\u306e\u307f\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Service\n   public class ProductService {\n       @Transactional  \/\/ \u6b63\u3057\u3044\u4f7f\u7528\u4f8b\n       public void updateProduct(Product product) {\n           \/\/ \u88fd\u54c1\u66f4\u65b0\u30ed\u30b8\u30c3\u30af\n       }\n\n       @Transactional  \/\/ \u8aa4\u3063\u305f\u4f7f\u7528\u4f8b\uff08\u52b9\u679c\u306a\u3057\uff09\n       private void internalUpdate(Product product) {\n           \/\/ \u5185\u90e8\u66f4\u65b0\u30ed\u30b8\u30c3\u30af\n       }\n   }<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u9069\u5207\u306a\u4f8b\u5916\u51e6\u7406<\/strong>: \u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u975e\u30c1\u30a7\u30c3\u30af\u4f8b\u5916\uff08RuntimeException\uff09\u306e\u307f\u304c\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u30c8\u30ea\u30ac\u30fc\u3057\u307e\u3059\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001<code>rollbackFor<\/code>\u5c5e\u6027\u3092\u4f7f\u7528\u3057\u3066\u3001\u7279\u5b9a\u306e\u4f8b\u5916\u3067\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b\u3088\u3046\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Transactional(rollbackFor = CustomException.class)\n   public void riskyOperation() throws CustomException {\n       \/\/ \u30ea\u30b9\u30af\u306e\u9ad8\u3044\u64cd\u4f5c\n   }<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u81ea\u5df1\u547c\u3073\u51fa\u3057\u306e\u6ce8\u610f<\/strong>: \u540c\u3058\u30af\u30e9\u30b9\u5185\u306e\u30e1\u30bd\u30c3\u30c9\u9593\u3067<code>@Transactional<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u5834\u5408\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u9069\u7528\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Service\n   public class UserService {\n       @Transactional\n       public void createUser(User user) {\n           \/\/ \u30e6\u30fc\u30b6\u30fc\u4f5c\u6210\u30ed\u30b8\u30c3\u30af\n       }\n\n       public void registerUser(User user) {\n           \/\/ \u3053\u306e\u547c\u3073\u51fa\u3057\u3067\u306f\u65b0\u3057\u3044\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u958b\u59cb\u3055\u308c\u307e\u305b\u3093\n           createUser(user);\n       }\n   }<\/pre>\n\n\n\n<p><code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u9069\u5207\u306a\u4f7f\u7528\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3057\u3001\u958b\u767a\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u4ed5\u7d44\u307f\u3092\u6b63\u3057\u304f\u7406\u89e3\u305b\u305a\u306b\u4f7f\u7528\u3059\u308b\u3068\u3001\u4e88\u671f\u305b\u306c\u52d5\u4f5c\u3084\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001<code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u3088\u308a\u8a73\u7d30\u306a\u8a2d\u5b9a\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u63a2\u6c42\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-4\">2. @Transactional\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u8a73\u7d30\u8a2d\u5b9a<\/h1>\n\n\n\n<p>Spring Framework\u306e<code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u5358\u306b\u30e1\u30bd\u30c3\u30c9\u306b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5883\u754c\u3092\u8a2d\u5b9a\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u69d8\u3005\u306a\u5c5e\u6027\u3092\u901a\u3058\u3066\u7d30\u304b\u306a\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u8a73\u7d30\u8a2d\u5b9a\u3092\u9069\u5207\u306b\u884c\u3046\u3053\u3068\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e00\u8cab\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001<code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4e3b\u8981\u306a\u5c5e\u6027\u3067\u3042\u308b propagation\u3001isolation\u3001timeout \u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-5\">propagation\u5c5e\u6027\uff1a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4f1d\u64ad\u65b9\u5f0f\u3092\u5236\u5fa1\u3059\u308b<\/h2>\n\n\n\n<p>propagation\u5c5e\u6027\u306f\u3001\u65e2\u5b58\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u306e\u95a2\u4fc2\u6027\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u4f1d\u64ad\u65b9\u5f0f\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u8907\u96d1\u306a\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306b\u304a\u3051\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u52b9\u679c\u7684\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e3b\u306a\u4f1d\u64ad\u65b9\u5f0f\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>REQUIRED<\/strong>\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09:\n<ul class=\"wp-block-list\">\n<li>\u65e2\u5b58\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u3042\u308c\u3070\u53c2\u52a0\u3057\u3001\u306a\u3051\u308c\u3070\u65b0\u898f\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6700\u3082\u4e00\u822c\u7684\u306a\u8a2d\u5b9a\u3067\u3001\u591a\u304f\u306e\u5834\u5408\u3053\u308c\u3067\u5341\u5206\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Transactional(propagation = Propagation.REQUIRED)\n   public void updateUserInfo(User user) {\n       \/\/ \u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u66f4\u65b0\u30ed\u30b8\u30c3\u30af\n   }<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>REQUIRES_NEW<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u5e38\u306b\u65b0\u3057\u3044\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u65e2\u5b58\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304b\u3089\u72ec\u7acb\u3057\u3066\u5b9f\u884c\u3057\u305f\u3044\u5834\u5408\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Transactional(propagation = Propagation.REQUIRES_NEW)\n   public void logAuditInfo(String action) {\n       \/\/ \u76e3\u67fb\u30ed\u30b0\u8a18\u9332\u30ed\u30b8\u30c3\u30af\uff08\u5e38\u306b\u72ec\u7acb\u3057\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u5b9f\u884c\uff09\n   }<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>SUPPORTS<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u65e2\u5b58\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u3042\u308c\u3070\u53c2\u52a0\u3057\u3001\u306a\u3051\u308c\u3070\u975e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306e\u64cd\u4f5c\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Transactional(propagation = Propagation.SUPPORTS, readOnly = true)\n   public User getUserById(Long id) {\n       return userRepository.findById(id).orElse(null);\n   }<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>NESTED<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u65e2\u5b58\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5185\u306b\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u90e8\u5206\u7684\u306a\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u5fc5\u8981\u306a\u5834\u5408\u306b\u6709\u7528\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Transactional(propagation = Propagation.NESTED)\n   public void updateUserAndAddresses(User user, List&lt;Address&gt; addresses) {\n       userRepository.save(user);\n       for (Address address : addresses) {\n           try {\n               addressRepository.save(address);\n           } catch (Exception e) {\n               \/\/ \u30a2\u30c9\u30ec\u30b9\u4fdd\u5b58\u306e\u30a8\u30e9\u30fc\u306f\u5168\u4f53\u306b\u5f71\u97ff\u3057\u306a\u3044\n               log.error(\"Failed to save address\", e);\n           }\n       }\n   }<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-6\">isolation\u5c5e\u6027\uff1a\u4e26\u884c\u51e6\u7406\u6642\u306e\u30c7\u30fc\u30bf\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b<\/h2>\n\n\n\n<p>isolation\u5c5e\u6027\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5206\u96e2\u30ec\u30d9\u30eb\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u5206\u96e2\u30ec\u30d9\u30eb\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e3b\u306a\u5206\u96e2\u30ec\u30d9\u30eb\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>DEFAULT<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5206\u96e2\u30ec\u30d9\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u591a\u304f\u306e\u5834\u5408\u3001\u3053\u308c\u3067\u5341\u5206\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>READ_COMMITTED<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u30b3\u30df\u30c3\u30c8\u3057\u305f\u5909\u66f4\u306e\u307f\u8aad\u307f\u53d6\u308a\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u5206\u96e2\u30ec\u30d9\u30eb\u3067\u3001\u591a\u304f\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Transactional(isolation = Isolation.READ_COMMITTED)\n   public void processOrder(Order order) {\n       \/\/ \u6ce8\u6587\u51e6\u7406\u30ed\u30b8\u30c3\u30af\n   }<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>REPEATABLE_READ<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u540c\u4e00\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5185\u3067\u540c\u3058\u30c7\u30fc\u30bf\u3092\u8907\u6570\u56de\u8aad\u307f\u53d6\u3063\u3066\u3082\u7d50\u679c\u304c\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>\u30d5\u30a1\u30f3\u30c8\u30e0\u30ea\u30fc\u30c9\u306f\u9632\u3052\u307e\u305b\u3093\u304c\u3001\u975e\u30ea\u30d4\u30fc\u30bf\u30d6\u30eb\u30ea\u30fc\u30c9\u3092\u9632\u304e\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Transactional(isolation = Isolation.REPEATABLE_READ)\n   public void generateMonthlyReport() {\n       \/\/ \u6708\u6b21\u30ec\u30dd\u30fc\u30c8\u751f\u6210\u30ed\u30b8\u30c3\u30af\uff08\u4e00\u8cab\u3057\u305f\u30c7\u30fc\u30bf\u8aad\u307f\u53d6\u308a\u304c\u5fc5\u8981\uff09\n   }<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>SERIALIZABLE<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u6700\u3082\u53b3\u683c\u306a\u5206\u96e2\u30ec\u30d9\u30eb\u3067\u3001\u5b8c\u5168\u306a\u4e00\u8cab\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u4f4e\u4e0b\u3057\u307e\u3059\u304c\u3001\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u91d1\u878d\u53d6\u5f15\u306a\u3069\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Transactional(isolation = Isolation.SERIALIZABLE)\n   public void transferFunds(Account from, Account to, BigDecimal amount) {\n       \/\/ \u8cc7\u91d1\u79fb\u52d5\u30ed\u30b8\u30c3\u30af\uff08\u5b8c\u5168\u306a\u4e00\u8cab\u6027\u304c\u5fc5\u8981\uff09\n   }<\/pre>\n\n\n\n<p>\u6ce8\u610f\u70b9\uff1a\u5206\u96e2\u30ec\u30d9\u30eb\u3092\u4e0a\u3052\u308b\u3068\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u306f\u5411\u4e0a\u3057\u307e\u3059\u304c\u3001\u540c\u6642\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">timeout\u5c5e\u6027\uff1a\u9577\u6642\u9593\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u9632\u3050<\/h2>\n\n\n\n<p>timeout\u5c5e\u6027\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u6642\u9593\u5236\u9650\u3092\u79d2\u5358\u4f4d\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u8a2d\u5b9a\u306b\u3088\u308a\u3001\u4e88\u671f\u305b\u306c\u9577\u6642\u9593\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u3088\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u5360\u6709\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Transactional(timeout = 30) \/\/ 30\u79d2\u3067\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\npublic void complexOperation() {\n    \/\/ \u8907\u96d1\u306a\u51e6\u7406\u30ed\u30b8\u30c3\u30af\n}<\/pre>\n\n\n\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306f-1\u3067\u3001\u3053\u308c\u306f\u5236\u9650\u306a\u3057\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u7121\u5236\u9650\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u907f\u3051\u308b\u3079\u304d\u3067\u3059\u3002\u9069\u5207\u306a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u3084\u7121\u9650\u30eb\u30fc\u30d7\u306b\u3088\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30d5\u30ea\u30fc\u30ba\u3092\u9632\u6b62<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u5229\u7528<\/li>\n\n\n\n<li>\u4e88\u671f\u305b\u306c\u9577\u6642\u9593\u64cd\u4f5c\u306e\u65e9\u671f\u767a\u898b<\/li>\n<\/ol>\n\n\n\n<p>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5024\u306e\u8a2d\u5b9a\u306f\u3001\u64cd\u4f5c\u306e\u8907\u96d1\u3055\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u5fdc\u7b54\u6027\u8981\u4ef6\u306b\u57fa\u3065\u3044\u3066\u6c7a\u5b9a\u3059\u3079\u304d\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">\u8907\u5408\u7684\u306a\u8a2d\u5b9a\u4f8b<\/h2>\n\n\n\n<p>\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5c5e\u6027\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u4ee5\u4e0b\u306f\u8907\u5408\u7684\u306a\u8a2d\u5b9a\u4f8b\u3067\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Transactional(\n    propagation = Propagation.REQUIRES_NEW,\n    isolation = Isolation.SERIALIZABLE,\n    timeout = 60,\n    readOnly = false,\n    rollbackFor = {SQLException.class, IOException.class}\n)\npublic void criticalBusinessOperation() {\n    \/\/ \u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65b0\u3057\u3044\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5e38\u306b\u958b\u59cb<\/li>\n\n\n\n<li>\u6700\u3082\u53b3\u683c\u306a\u5206\u96e2\u30ec\u30d9\u30eb\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>60\u79d2\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u8aad\u307f\u66f8\u304d\u4e21\u65b9\u306e\u64cd\u4f5c\u3092\u8a31\u53ef<\/li>\n\n\n\n<li>SQLException\u3068IOException\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u30ed\u30fc\u30eb\u30d0\u30c3\u30af<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#b4e0fa;color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-lightbulb\"><\/i><\/span><div class=\"sng-box-msg__title\">\u307e\u3068\u3081<\/div><\/div><div class=\"sng-box-msg__contents\">\n<p><code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u8a73\u7d30\u8a2d\u5b9a\u3092\u9069\u5207\u306b\u884c\u3046\u3053\u3068\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5805\u7262\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u306f\u614e\u91cd\u306b\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u4ef6\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7279\u6027\u3001\u671f\u5f85\u3055\u308c\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306a\u3069\u3092\u7dcf\u5408\u7684\u306b\u8003\u616e\u3057\u3066\u6c7a\u5b9a\u3059\u3079\u304d\u3067\u3059\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<p>\u9069\u5207\u306a\u8a2d\u5b9a\u306f\u3001\u958b\u767a\u521d\u671f\u6bb5\u968e\u304b\u3089\u8003\u616e\u3057\u3001\u8ca0\u8377\u30c6\u30b9\u30c8\u3084\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u3092\u901a\u3058\u3066\u7d99\u7d9a\u7684\u306b\u6700\u9069\u5316\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001<code>@Transactional<\/code>\u306e\u9069\u7528\u7bc4\u56f2\u3068\u5236\u9650\u4e8b\u9805\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-9\">3. @Transactional\u306e\u9069\u7528\u7bc4\u56f2\u3068\u5236\u9650\u4e8b\u9805<\/h1>\n\n\n\n<p>Spring Framework\u306e<code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u52b9\u679c\u7684\u306b\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u305d\u306e\u9069\u7528\u7bc4\u56f2\u3068\u5236\u9650\u4e8b\u9805\u3092\u6b63\u3057\u304f\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001<code>@Transactional<\/code>\u306e\u9069\u7528\u65b9\u6cd5\u3084\u6ce8\u610f\u70b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-10\">\u30e1\u30bd\u30c3\u30c9\u30ec\u30d9\u30ebvs.\u30af\u30e9\u30b9\u30ec\u30d9\u30eb\u306e@Transactional<\/h2>\n\n\n\n<p><code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u30ec\u30d9\u30eb\u3068\u30af\u30e9\u30b9\u30ec\u30d9\u30eb\u306e\u4e21\u65b9\u306b\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u7279\u5fb4\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30e1\u30bd\u30c3\u30c9\u30ec\u30d9\u30eb\u306e\u9069\u7528<\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class UserService {\n    @Transactional\n    public void createUser(User user) {\n        \/\/ \u30e6\u30fc\u30b6\u30fc\u4f5c\u6210\u30ed\u30b8\u30c3\u30af\n    }\n}<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30ea\u30c3\u30c8: \u7d30\u304b\u3044\u7c92\u5ea6\u3067\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5236\u5fa1\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u30c7\u30e1\u30ea\u30c3\u30c8: \u591a\u6570\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u500b\u5225\u306b\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u30b3\u30fc\u30c9\u304c\u5197\u9577\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u30af\u30e9\u30b9\u30ec\u30d9\u30eb\u306e\u9069\u7528<\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Transactional\npublic class OrderService {\n    public void createOrder(Order order) {\n        \/\/ \u6ce8\u6587\u4f5c\u6210\u30ed\u30b8\u30c3\u30af\n    }\n\n    public void updateOrder(Order order) {\n        \/\/ \u6ce8\u6587\u66f4\u65b0\u30ed\u30b8\u30c3\u30af\n    }\n}<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30ea\u30c3\u30c8: \u30af\u30e9\u30b9\u5185\u306e\u3059\u3079\u3066\u306epublic\u30e1\u30bd\u30c3\u30c9\u306b\u4e00\u62ec\u3057\u3066\u9069\u7528\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u30c7\u30e1\u30ea\u30c3\u30c8: \u4e0d\u8981\u306a\u30e1\u30bd\u30c3\u30c9\u306b\u3082\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u9069\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#ffebeb;color:#f88080\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#f88080\"><i class=\"fas fa-exclamation\"><\/i><\/span><div class=\"sng-box-msg__title\">\u6ce8\u610f: <\/div><\/div><div class=\"sng-box-msg__contents\">\n<p>\u30e1\u30bd\u30c3\u30c9\u30ec\u30d9\u30eb\u306e\u8a2d\u5b9a\u306f\u3001\u30af\u30e9\u30b9\u30ec\u30d9\u30eb\u306e\u8a2d\u5b9a\u3088\u308a\u3082\u512a\u5148\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30af\u30e9\u30b9\u30ec\u30d9\u30eb\u3067\u4e00\u822c\u7684\u306a\u8a2d\u5b9a\u3092\u884c\u3044\u3064\u3064\u3001\u7279\u5b9a\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u7570\u306a\u308b\u8a2d\u5b9a\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-13\">private\u3001protected\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u3067\u306e\u6ce8\u610f\u70b9<\/h2>\n\n\n\n<p>Spring AOP\u306f\u30d7\u30ed\u30ad\u30b7\u30d9\u30fc\u30b9\u3067\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001<code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306fpublic\u30e1\u30bd\u30c3\u30c9\u306b\u5bfe\u3057\u3066\u306e\u307f\u6709\u52b9\u3067\u3059\u3002private\u3001protected\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u306b\u76f4\u63a5\u9069\u7528\u3057\u3066\u3082\u6a5f\u80fd\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class UserService {\n    @Transactional \/\/ \u6a5f\u80fd\u3057\u306a\u3044\n    private void updateUserInternal(User user) {\n        \/\/ \u30e6\u30fc\u30b6\u30fc\u66f4\u65b0\u30ed\u30b8\u30c3\u30af\n    }\n\n    @Transactional \/\/ \u6b63\u3057\u3044\u4f7f\u7528\u6cd5\n    public void updateUser(User user) {\n        updateUserInternal(user);\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u5236\u9650\u3092\u56de\u907f\u3059\u308b\u306b\u306f\u3001public\u30e1\u30bd\u30c3\u30c9\u3092\u4ecb\u3057\u3066\u9593\u63a5\u7684\u306b\u547c\u3073\u51fa\u3059\u65b9\u6cd5\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-14\">\u305d\u306e\u4ed6\u306e\u6ce8\u610f\u70b9<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u81ea\u5df1\u547c\u3073\u51fa\u3057\u306e\u554f\u984c:<br>\u540c\u4e00\u30af\u30e9\u30b9\u5185\u306e\u30e1\u30bd\u30c3\u30c9\u9593\u3067<code>@Transactional<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3068\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u9069\u7528\u3055\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Service\n   public class UserService {\n       @Transactional\n       public void createUser(User user) {\n           \/\/ \u30e6\u30fc\u30b6\u30fc\u4f5c\u6210\u30ed\u30b8\u30c3\u30af\n       }\n\n       public void registerUser(User user) {\n           \/\/ \u3053\u306e\u547c\u3073\u51fa\u3057\u3067\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u9069\u7528\u3055\u308c\u306a\u3044\n           this.createUser(user);\n       }\n   }<\/pre>\n\n\n\n<p>\u89e3\u6c7a\u7b56: \u5225\u306eBean\u3092\u6ce8\u5165\u3057\u3066\u547c\u3073\u51fa\u3059\u3001\u307e\u305f\u306f\u81ea\u5df1\u6ce8\u5165\uff08self-injection\uff09\u3092\u4f7f\u7528\u3059\u308b<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @Service\n   public class UserService {\n       @Autowired\n       private UserService self;\n\n       @Transactional\n       public void createUser(User user) {\n           \/\/ \u30e6\u30fc\u30b6\u30fc\u4f5c\u6210\u30ed\u30b8\u30c3\u30af\n       }\n\n       public void registerUser(User user) {\n           \/\/ \u3053\u306e\u547c\u3073\u51fa\u3057\u3067\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u9069\u7528\u3055\u308c\u308b\n           self.createUser(user);\n       }\n   }<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u975e\u540c\u671f\u30e1\u30bd\u30c3\u30c9\u3067\u306e\u4f7f\u7528:<br><code>@Async<\/code>\u3068<code>@Transactional<\/code>\u3092\u4f75\u7528\u3059\u308b\u969b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u975e\u540c\u671f\u5b9f\u884c\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4f1d\u64ad\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9vs\u5b9f\u88c5\u30af\u30e9\u30b9:<br>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b<code>@Transactional<\/code>\u3092\u9069\u7528\u3059\u308b\u5834\u5408\u3001JDK\u30d7\u30ed\u30ad\u30b7\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u6709\u52b9\u3067\u3059\u3002CGLIB\u30d7\u30ed\u30ad\u30b7\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5b9f\u88c5\u30af\u30e9\u30b9\u306b\u76f4\u63a5\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-15\">\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u63a8\u5968\u4e8b\u9805<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5883\u754c\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b:<\/li>\n<\/ol>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e0d\u8981\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u907f\u3051\u308b:\n<ul class=\"wp-block-list\">\n<li>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u7c92\u5ea6\u306f\u5c0f\u3055\u3059\u304e\u3066\u3082\u5927\u304d\u3059\u304e\u3066\u3082\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u9069\u5207\u306a\u7c92\u5ea6\u3092\u898b\u6975\u3081\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306e\u64cd\u4f5c\u306b\u306f<code>@Transactional(readOnly = true)<\/code>\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5b8c\u5168\u306b\u7701\u7565\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><code>@Transactional<\/code>\u306e\u9069\u7528\u7bc4\u56f2\u3092\u660e\u78ba\u306b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316\u3059\u308b:\n<ul class=\"wp-block-list\">\n<li>\u30c1\u30fc\u30e0\u5185\u3067\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u65b9\u91dd\u3092\u5171\u6709\u3057\u3001\u4e00\u8cab\u6027\u3092\u4fdd\u3064\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30c6\u30b9\u30c8\u3067\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b:\n<ul class=\"wp-block-list\">\n<li>\u5358\u4f53\u30c6\u30b9\u30c8\u3084\u30a4\u30f3\u30c6\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u3067\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   @SpringBootTest\n   @Transactional\n   public class UserServiceTest {\n       @Autowired\n       private UserService userService;\n\n       @Test\n       public void testCreateUser() {\n           User user = new User(\"testuser\");\n           userService.createUser(user);\n           \/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3055\u308c\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u6c38\u7d9a\u5316\u3055\u308c\u306a\u3044\n       }\n   }<\/pre>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#b4e0fa;color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-lightbulb\"><\/i><\/span><div class=\"sng-box-msg__title\">\u307e\u3068\u3081<\/div><\/div><div class=\"sng-box-msg__contents\">\n<p><code>@Transactional<\/code>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u9069\u5207\u306a\u4f7f\u7528\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4fe1\u983c\u6027\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002\u305d\u306e\u9069\u7528\u7bc4\u56f2\u3068\u5236\u9650\u4e8b\u9805\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3001\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u5805\u7262\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u958b\u767a\u8005\u306f\u3001Spring AOP\u306e\u52d5\u4f5c\u539f\u7406\u3092\u7406\u89e3\u3057\u3001<code>@Transactional<\/code>\u306e\u9069\u7528\u7bc4\u56f2\u3092\u5e38\u306b\u610f\u8b58\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u307e\u305f\u3001\u8907\u96d1\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u30b7\u30ca\u30ea\u30aa\u306b\u5bfe\u3057\u3066\u306f\u3001\u9069\u5207\u306a\u8a2d\u8a08\u3068\u30c6\u30b9\u30c8\u3092\u901a\u3058\u3066\u3001\u78ba\u5b9f\u306a\u52d5\u4f5c\u3092\u4fdd\u8a3c\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001<code>@Transactional<\/code>\u306e\u4f7f\u7528\u3092\u3055\u3089\u306b\u6d17\u7df4\u3055\u305b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fe1\u983c\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-16\">4. \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h1>\n\n\n\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u9069\u5207\u306a\u6700\u9069\u5316\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3001\u304a\u3088\u3073\u30ea\u30bd\u30fc\u30b9\u52b9\u7387\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u672c\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Spring Framework\u3092\u4f7f\u7528\u3057\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u4e3b\u8981\u306a\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-17\">\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u6d3b\u7528\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a<\/h2>\n\n\n\n<p>\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u3001\u30c7\u30fc\u30bf\u306e\u5909\u66f4\u3092\u4f34\u308f\u306a\u3044\u64cd\u4f5c\u306b\u5bfe\u3057\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6700\u9069\u5316\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u4f7f\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class ReportService {\n    @Transactional(readOnly = true)\n    public Report generateMonthlyReport(int month, int year) {\n        \/\/ \u30ec\u30dd\u30fc\u30c8\u751f\u6210\u30ed\u30b8\u30c3\u30af\uff08\u8aad\u307f\u53d6\u308a\u64cd\u4f5c\u306e\u307f\uff09\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u5229\u70b9<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8aad\u307f\u53d6\u308a\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u4e0d\u8981\u306a\u30c0\u30fc\u30c6\u30a3\u30c1\u30a7\u30c3\u30af\u306e\u56de\u907f<\/li>\n\n\n\n<li>\u4e00\u90e8\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-20\">\u9069\u7528\u30b7\u30ca\u30ea\u30aa<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ec\u30dd\u30fc\u30c8\u751f\u6210<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u691c\u7d22<\/li>\n\n\n\n<li>\u7d71\u8a08\u60c5\u5831\u306e\u53d6\u5f97<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#ffebeb;color:#f88080\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#f88080\"><i class=\"fas fa-exclamation\"><\/i><\/span><div class=\"sng-box-msg__title\">\u6ce8\u610f\u70b9 <\/div><\/div><div class=\"sng-box-msg__contents\">\n<p>\u8aad\u307f\u53d6\u308a\u5c02\u7528\u8a2d\u5b9a\u4e0b\u3067\u306e\u66f8\u304d\u8fbc\u307f\u64cd\u4f5c\u306f\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u5177\u4f53\u4f8b<\/h3>\n\n\n\n<p>\u4e00\u90e8\u306e\u4e8b\u4f8b\u3067\u306f\u3001\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4f7f\u7528\u306b\u3088\u308a30%\u4ee5\u4e0a\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u6271\u3046\u8aad\u307f\u53d6\u308a\u64cd\u4f5c\u3067\u9855\u8457\u306a\u52b9\u679c\u304c\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-22\">\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u3001\u89aa\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5185\u3067\u5b50\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u3001\u90e8\u5206\u7684\u306a\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u53ef\u80fd\u306b\u3059\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u4f7f\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class OrderService {\n    @Autowired\n    private PaymentService paymentService;\n\n    @Transactional\n    public void processOrder(Order order) {\n        \/\/ \u6ce8\u6587\u51e6\u7406\u306e\u30ed\u30b8\u30c3\u30af\n        try {\n            paymentService.processPayment(order);\n        } catch (PaymentException e) {\n            \/\/ \u652f\u6255\u3044\u51e6\u7406\u306e\u307f\u3092\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\n            throw new OrderProcessingException(\"Payment failed\", e);\n        }\n        \/\/ \u6ce8\u6587\u51e6\u7406\u306e\u7d9a\u304d\n    }\n}\n\n@Service\npublic class PaymentService {\n    @Transactional(propagation = Propagation.NESTED)\n    public void processPayment(Order order) {\n        \/\/ \u652f\u6255\u3044\u51e6\u7406\u306e\u30ed\u30b8\u30c3\u30af\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-24\">\u5229\u70b9<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7d30\u7c92\u5ea6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5236\u5fa1<\/li>\n\n\n\n<li>\u90e8\u5206\u7684\u306a\u64cd\u4f5c\u306e\u72ec\u7acb\u3057\u305f\u30ed\u30fc\u30eb\u30d0\u30c3\u30af<\/li>\n\n\n\n<li>\u89aa\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u6574\u5408\u6027\u7dad\u6301<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-25\">\u9069\u7528\u30b7\u30ca\u30ea\u30aa<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d0\u30c3\u30c1\u51e6\u7406<\/li>\n\n\n\n<li>\u8907\u6570\u306e\u30b5\u30d6\u30bf\u30b9\u30af\u3092\u542b\u3080\u64cd\u4f5c<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#ffebeb;color:#f88080\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#f88080\"><i class=\"fas fa-exclamation\"><\/i><\/span><div class=\"sng-box-msg__title\">\u6ce8\u610f\u70b9 <\/div><\/div><div class=\"sng-box-msg__contents\">\n<p>\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f7f\u7528\u524d\u306b\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6a5f\u80fd\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-26\">\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5206\u5272\u306b\u3088\u308b\u51e6\u7406\u306e\u52b9\u7387\u5316<\/h2>\n\n\n\n<p>\u5927\u898f\u6a21\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5c0f\u3055\u306a\u5358\u4f4d\u306b\u5206\u5272\u3059\u308b\u3053\u3068\u3067\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u5229\u7528\u3068\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306e\u30ea\u30b9\u30af\u8efd\u6e1b\u3092\u56f3\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-27\">\u5206\u5272\u306e\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d0\u30c3\u30c1\u51e6\u7406\u306e\u5229\u7528<\/li>\n\n\n\n<li>\u975e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30ca\u30eb\u306a\u8aad\u307f\u53d6\u308a\u64cd\u4f5c\u306e\u5206\u96e2<\/li>\n\n\n\n<li>\u9577\u6642\u9593\u5b9f\u884c\u3055\u308c\u308b\u51e6\u7406\u306e\u5206\u5272<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-28\">\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class BulkProcessingService {\n    private static final int BATCH_SIZE = 1000;\n\n    @Autowired\n    private ItemRepository itemRepository;\n\n    @Transactional\n    public void processBulkItems(List&lt;Item&gt; items) {\n        for (int i = 0; i &lt; items.size(); i += BATCH_SIZE) {\n            List&lt;Item&gt; batch = items.subList(i, Math.min(i + BATCH_SIZE, items.size()));\n            processBatch(batch);\n        }\n    }\n\n    @Transactional(propagation = Propagation.REQUIRES_NEW)\n    public void processBatch(List&lt;Item&gt; batch) {\n        for (Item item : batch) {\n            \/\/ \u5404\u30a2\u30a4\u30c6\u30e0\u306e\u51e6\u7406\n            itemRepository.save(item);\n        }\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-29\">\u30e1\u30ea\u30c3\u30c8<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u5229\u7528<\/li>\n\n\n\n<li>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306e\u30ea\u30b9\u30af\u8efd\u6e1b<\/li>\n\n\n\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5fdc\u7b54\u6027\u5411\u4e0a<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-30\">\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3068\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4e00\u8cab\u6027\u3068\u51e6\u7406\u306e\u52b9\u7387\u5316\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u307e\u305f\u3001\u5206\u5272\u306b\u3088\u308a\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u78ba\u4fdd\u304c\u8907\u96d1\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u614e\u91cd\u306a\u8a2d\u8a08\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-31\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u4e8b\u4f8b<\/h3>\n\n\n\n<p>\u5927\u898f\u6a21\u30d0\u30c3\u30c1\u51e6\u7406\u306b\u304a\u3044\u3066\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5206\u5272\u306b\u3088\u308a50%\u4ee5\u4e0a\u306e\u51e6\u7406\u6642\u9593\u77ed\u7e2e\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u308b\u4e8b\u4f8b\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-32\">\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u306e\u6bd4\u8f03\u3068\u9069\u7528\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/h2>\n\n\n<div id=\"id-a2ea938c-f860-4978-ac87-415d0f5a299d\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30c6\u30af\u30cb\u30c3\u30af<\/th><th>\u4e3b\u306a\u5229\u70b9<\/th><th>\u9069\u7528\u30b7\u30ca\u30ea\u30aa<\/th><th>\u6ce8\u610f\u70b9<\/th><\/tr><\/thead><tbody><tr><td>\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3<\/td><td>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u3001\u30ea\u30bd\u30fc\u30b9\u52b9\u7387\u5316<\/td><td>\u30c7\u30fc\u30bf\u691c\u7d22\u3001\u30ec\u30dd\u30fc\u30c8\u751f\u6210<\/td><td>\u66f8\u304d\u8fbc\u307f\u64cd\u4f5c\u3067\u306e\u4f7f\u7528\u306b\u6ce8\u610f<\/td><\/tr><tr><td>\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3<\/td><td>\u7d30\u7c92\u5ea6\u306e\u5236\u5fa1\u3001\u90e8\u5206\u7684\u30ed\u30fc\u30eb\u30d0\u30c3\u30af<\/td><td>\u8907\u5408\u7684\u306a\u51e6\u7406\u3001\u30d0\u30c3\u30c1\u64cd\u4f5c<\/td><td>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4e92\u63db\u6027\u78ba\u8a8d<\/td><\/tr><tr><td>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5206\u5272<\/td><td>\u30ea\u30bd\u30fc\u30b9\u52b9\u7387\u5316\u3001\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u4f4e\u6e1b<\/td><td>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u3001\u9577\u6642\u9593\u64cd\u4f5c<\/td><td>\u30c7\u30fc\u30bf\u6574\u5408\u6027\u306e\u8907\u96d1\u5316<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u9069\u7528\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u4ef6\u3092\u8a73\u7d30\u306b\u5206\u6790\u3057\u3001\u6700\u9069\u306a\u6280\u8853\u3092\u9078\u629e\u3059\u308b<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3057\u3001\u6700\u9069\u5316\u306e\u52b9\u679c\u3092\u6e2c\u5b9a\u3059\u308b<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u5e38\u306b\u512a\u5148\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8907\u6570\u306e\u6280\u8853\u3092\u7d44\u307f\u5408\u308f\u305b\u308b<\/li>\n\n\n\n<li>\u5b9a\u671f\u7684\u306b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u6226\u7565\u3092\u898b\u76f4\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8abf\u6574\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#b4e0fa;color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-lightbulb\"><\/i><\/span><div class=\"sng-box-msg__title\">\u307e\u3068\u3081<\/div><\/div><div class=\"sng-box-msg__contents\">\n<p>\u3000\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u6700\u9069\u5316\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fe1\u983c\u6027\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3001\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5206\u5272\u306a\u3069\u3001\u69d8\u3005\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u304b\u3064\u5805\u7262\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u7528\u3059\u308b\u969b\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7279\u6027\u3068\u8981\u4ef6\u3092\u5341\u5206\u306b\u8003\u616e\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\ub370\uc774\ud130\ub370 \u6574\u5408\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u614e\u91cd\u306b\u53d6\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u307e\u305f\u3001\u7d99\u7d9a\u7684\u306a\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u8abf\u6574\u3092\u901a\u3058\u3066\u3001\u5e38\u306b\u6700\u9069\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u6226\u7565\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001@Transactional\u3068\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u3055\u3089\u306b\u5805\u7262\u306b\u3057\u3001\u4e88\u671f\u305b\u306c\u72b6\u6cc1\u4e0b\u3067\u3082\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-33\">5. @Transactional\u3068\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/h1>\n\n\n\n<p>\u9069\u5207\u306a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306b\u304a\u3044\u3066\u6975\u3081\u3066\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002@Transactional\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u9069\u5207\u306b\u30a8\u30e9\u30fc\u3092\u51e6\u7406\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u3092\u4fdd\u3061\u3064\u3064\u3001\u4e88\u671f\u305b\u306c\u72b6\u6cc1\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u5805\u7262\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-34\">rollbackFor\u5c5e\u6027\u3092\u4f7f\u7528\u3057\u305f\u7d30\u304b\u3044\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u5236\u5fa1<\/h2>\n\n\n\n<p>@Transactional\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306erollbackFor\u5c5e\u6027\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7279\u5b9a\u306e\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u969b\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u52d5\u4f5c\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-35\">\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Transactional(rollbackFor = {CustomException.class, AnotherException.class})\npublic void processOrder(Order order) throws CustomException, AnotherException {\n    \/\/ \u6ce8\u6587\u51e6\u7406\u30ed\u30b8\u30c3\u30af\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-36\">\u30c7\u30d5\u30a9\u30eb\u30c8\u52d5\u4f5c\u3068\u30ab\u30b9\u30bf\u30e0\u8a2d\u5b9a\u306e\u9055\u3044<\/h3>\n\n\n\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001Spring Framework\u306f\u975e\u30c1\u30a7\u30c3\u30af\u4f8b\u5916\uff08RuntimeException\u306e\u30b5\u30d6\u30af\u30e9\u30b9\uff09\u3068Error\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u306e\u307f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u30c1\u30a7\u30c3\u30af\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>rollbackFor\u5c5e\u6027\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u52d5\u4f5c\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u3001\u7279\u5b9a\u306e\u30c1\u30a7\u30c3\u30af\u4f8b\u5916\u3084\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u3067\u3082\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u884c\u3046\u3088\u3046\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Transactional(rollbackFor = CheckedException.class)\npublic void importantOperation() throws CheckedException {\n    \/\/ \u91cd\u8981\u306a\u64cd\u4f5c\n    if (somethingWentWrong) {\n        throw new CheckedException(\"\u64cd\u4f5c\u306b\u5931\u6557\u3057\u307e\u3057\u305f\");\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001CheckedException\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3067\u3082\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-37\">\u4f8b\u5916\u767a\u751f\u6642\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u52d5\u4f5c\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b<\/h2>\n\n\n\n<p>\u3088\u308a\u7d30\u304b\u3044\u5236\u5fa1\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3088\u3063\u3066\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-38\">TransactionAspectSupport\u306e\u4f7f\u7528<\/h3>\n\n\n\n<p>\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u6761\u4ef6\u306b\u5fdc\u3058\u3066\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u5f37\u5236\u3057\u305f\u3044\u5834\u5408\u3001TransactionAspectSupport\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Transactional\npublic void complexOperation() {\n    try {\n        \/\/ \u8907\u96d1\u306a\u64cd\u4f5c\n    } catch (SomeException e) {\n        \/\/ \u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u5f37\u5236\n        if (shouldRollback(e)) {\n            TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();\n        }\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-39\">\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u6d3b\u7528<\/h3>\n\n\n\n<p>\u7279\u5b9a\u306e\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306b\u95a2\u9023\u3059\u308b\u4f8b\u5916\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u308c\u3092\u4f7f\u3063\u3066\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5236\u5fa1\u3059\u308b\u3053\u3068\u3082\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class CustomRollbackException extends Exception {\n    public CustomRollbackException(String message) {\n        super(message);\n    }\n}\n\n@Service\npublic class OrderService {\n    @Transactional(rollbackFor = CustomRollbackException.class)\n    public void processOrder(Order order) throws CustomRollbackException {\n        if (!isValid(order)) {\n            throw new CustomRollbackException(\"\u7121\u52b9\u306a\u6ce8\u6587\u3067\u3059\");\n        }\n        \/\/ \u6ce8\u6587\u51e6\u7406\u30ed\u30b8\u30c3\u30af\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-40\">\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u306e\u6d3b\u7528<\/h3>\n\n\n\n<p>Spring 4.2\u4ee5\u964d\u3067\u306f\u3001@TransactionalEventListener\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u3055\u307e\u3056\u307e\u306a\u30d5\u30a7\u30fc\u30ba\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u30ea\u30c3\u30b9\u30f3\u3057\u3001\u305d\u308c\u306b\u5fdc\u3058\u305f\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Component\npublic class TransactionEventHandler {\n    @TransactionalEventListener(phase = TransactionPhase.AFTER_ROLLBACK)\n    public void handleRollbackEvent(RollbackEvent event) {\n        \/\/ \u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u5f8c\u306e\u51e6\u7406\n        logRollback(event);\n        notifyAdministrator(event);\n    }\n}<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-41\">\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9069\u5207\u306a\u7c92\u5ea6\u3067\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5883\u754c\u8a2d\u5b9a<\/strong>:<br>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u7bc4\u56f2\u3092\u5fc5\u8981\u6700\u5c0f\u9650\u306b\u4fdd\u3064\u3053\u3068\u3067\u3001\u30a8\u30e9\u30fc\u306e\u5f71\u97ff\u7bc4\u56f2\u3092\u9650\u5b9a\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u4f8b\u5916\u306e\u9069\u5207\u306a\u4f1d\u64ad\u3068\u51e6\u7406<\/strong>:<br>\u4f4e\u30ec\u30d9\u30eb\u306e\u4f8b\u5916\u3092\u9069\u5207\u306b\u5909\u63db\u3057\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306b\u95a2\u9023\u3059\u308b\u610f\u5473\u306e\u3042\u308b\u4f8b\u5916\u3068\u3057\u3066\u4e0a\u4f4d\u5c64\u306b\u4f1d\u64ad\u3055\u305b\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u8a73\u7d30\u306a\u30ed\u30b0\u8a18\u9332\u3068\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/strong>:<br>\u4f8b\u5916\u767a\u751f\u6642\u306e\u72b6\u6cc1\u3092\u8a73\u7d30\u306b\u30ed\u30b0\u306b\u8a18\u9332\u3057\u3001\u554f\u984c\u306e\u8fc5\u901f\u306a\u7279\u5b9a\u3068\u89e3\u6c7a\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#ffebeb;color:#f88080\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#f88080\"><i class=\"fas fa-exclamation\"><\/i><\/span><div class=\"sng-box-msg__title\">\u6ce8\u610f\u70b9 <\/div><\/div><div class=\"sng-box-msg__contents\">\n<p><strong>\u30c1\u30a7\u30c3\u30af\u4f8b\u5916vs\u30a2\u30f3\u30c1\u30a7\u30c3\u30af\u4f8b\u5916<\/strong>:<br>\u30c1\u30a7\u30c3\u30af\u4f8b\u5916\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066rollbackFor\u5c5e\u6027\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3<\/strong>:<br>\u5b50\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u306e\u4f8b\u5916\u304c\u89aa\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3092\u614e\u91cd\u306b\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3<\/strong>:<br>\u8907\u6570\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u307e\u305f\u304c\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4e00\u8cab\u6027\u306e\u78ba\u4fdd\u304c\u3088\u308a\u8907\u96d1\u306b\u306a\u308b\u305f\u3081\u3001\u9069\u5207\u306a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u6226\u7565\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#b4e0fa;color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-lightbulb\"><\/i><\/span><div class=\"sng-box-msg__title\">\u307e\u3068\u3081<\/div><\/div><div class=\"sng-box-msg__contents\">\n<p>\u3000@Transactional\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u9069\u5207\u306a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5805\u7262\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002rollbackFor\u5c5e\u6027\u3084\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u306e\u4f7f\u7528\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u306e\u6d3b\u7528\u306a\u3069\u3001\u69d8\u3005\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u9078\u629e\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u4ef6\u306b\u5408\u3063\u305f\u30a8\u30e9\u30fc\u51e6\u7406\u6226\u7565\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u9069\u5207\u306a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4fe1\u983c\u6027\u3068\u4fdd\u5b88\u6027\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u7d99\u7d9a\u7684\u306a\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u30ed\u30b0\u5206\u6790\u3092\u901a\u3058\u3066\u3001\u30a8\u30e9\u30fc\u30d1\u30bf\u30fc\u30f3\u3092\u628a\u63e1\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u6539\u5584\u306b\u6d3b\u304b\u3059\u3053\u3068\u3067\u3001\u3088\u308a\u5805\u7262\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4fe1\u983c\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4e21\u7acb\u3092\u56f3\u308a\u3001\u3088\u308a\u52b9\u7387\u7684\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-42\">6. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h1>\n\n\n\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u9069\u5207\u306a\u6700\u9069\u5316\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u6642\u9593\u77ed\u7e2e\u3001\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u5411\u4e0a\u3001\u30ea\u30bd\u30fc\u30b9\u52b9\u7387\u5316\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u672c\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Spring Framework\u3092\u4f7f\u7528\u3057\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u305f\u3081\u306e\u4e3b\u8981\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-43\">\u4e0d\u8981\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u524a\u6e1b\u3067\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u8efd\u6e1b<\/h2>\n\n\n\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u958b\u59cb\u3001\u30b3\u30df\u30c3\u30c8\u3001\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u306b\u306f\u4e00\u5b9a\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u4e0d\u8981\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u524a\u6e1b\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u8efd\u6e1b\u3057\u3001\u5168\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-44\">\u8aad\u307f\u53d6\u308a\u5c02\u7528\u64cd\u4f5c\u306e\u6700\u9069\u5316<\/h3>\n\n\n\n<p>\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306e\u64cd\u4f5c\u306b\u5bfe\u3057\u3066\u306f\u3001<code>@Transactional(readOnly = true)<\/code>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6700\u9069\u5316\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Before\n@Transactional\npublic User getUser(Long id) {\n    return userRepository.findById(id).orElse(null);\n}\n\n\/\/ After\n@Transactional(readOnly = true)\npublic User getUser(Long id) {\n    return userRepository.findById(id).orElse(null);\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u6700\u9069\u5316\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30e2\u30fc\u30c9\u3067\u52d5\u4f5c\u3057\u3001\u4e0d\u8981\u306a\u30ed\u30c3\u30af\u3084\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-45\">\u4e0d\u8981\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u8b58\u5225<\/h3>\n\n\n\n<p>\u4e0d\u8981\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u7279\u5b9a\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u304c\u52b9\u679c\u7684\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u306e\u4f7f\u7528\uff08\u4f8b\uff1aJProfiler\u3001VisualVM\uff09<\/li>\n\n\n\n<li>\u30ed\u30b0\u5206\u6790<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u6700\u9069\u5316\u306e\u4f59\u5730\u304c\u3042\u308b\u7b87\u6240\u3092\u52b9\u7387\u7684\u306b\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-46\">\u9069\u5207\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5883\u754c\u306e\u8a2d\u5b9a\u3067\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u6539\u5584<\/h2>\n\n\n\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5883\u754c\u306e\u8a2d\u5b9a\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u5883\u754c\u304c\u5927\u304d\u3059\u304e\u308b\u3068\u30ed\u30c3\u30af\u7af6\u5408\u304c\u5897\u52a0\u3057\u3001\u5c0f\u3055\u3059\u304e\u308b\u3068\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u5897\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-47\">\u9069\u5207\u306a\u7c92\u5ea6\u306e\u6c7a\u5b9a<\/h3>\n\n\n\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u9069\u5207\u306a\u7c92\u5ea6\u3092\u6c7a\u5b9a\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u8003\u616e\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306e\u5206\u6790\uff1a\u8ad6\u7406\u7684\u306b\u4e00\u8cab\u6027\u3092\u4fdd\u3064\u3079\u304d\u64cd\u4f5c\u306e\u7bc4\u56f2\u3092\u7279\u5b9a<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u306e\u5b9f\u65bd\uff1a\u7570\u306a\u308b\u7c92\u5ea6\u3067\u306e\u5b9f\u884c\u6642\u9593\u3092\u6bd4\u8f03<\/li>\n\n\n\n<li>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306e\u53ef\u80fd\u6027\u8a55\u4fa1\uff1a\u7c92\u5ea6\u304c\u5927\u304d\u3044\u307b\u3069\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7c92\u5ea6\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Before: \u5927\u304d\u3059\u304e\u308b\u7c92\u5ea6\n@Transactional\npublic void processOrder(Order order) {\n    validateOrder(order);\n    saveOrder(order);\n    sendConfirmationEmail(order);\n}\n\n\/\/ After: \u9069\u5207\u306a\u7c92\u5ea6\n@Transactional\npublic void processOrder(Order order) {\n    validateOrder(order);\n    saveOrder(order);\n}\n\npublic void sendConfirmationEmail(Order order) {\n    \/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u4e0d\u8981\u306e\u305f\u3081\u3001@Transactional\u3092\u524a\u9664\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-48\">\u9577\u6642\u9593\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3078\u306e\u5bfe\u7b56<\/h3>\n\n\n\n<p>\u9577\u6642\u9593\u5b9f\u884c\u3055\u308c\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u5360\u6709\u3084\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306e\u30ea\u30b9\u30af\u3092\u9ad8\u3081\u307e\u3059\u3002\u5bfe\u7b56\u3068\u3057\u3066\u4ee5\u4e0b\u304c\u6319\u3052\u3089\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d0\u30c3\u30c1\u51e6\u7406\u306e\u5229\u7528\uff1a\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u5c0f\u3055\u306a\u5358\u4f4d\u306b\u5206\u5272\u3057\u3066\u51e6\u7406<\/li>\n\n\n\n<li>\u975e\u540c\u671f\u51e6\u7406\u306e\u5c0e\u5165\uff1a\u9577\u6642\u9593\u306e\u51e6\u7406\u3092\u5225\u30b9\u30ec\u30c3\u30c9\u3067\u5b9f\u884c<\/li>\n\n\n\n<li>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8a2d\u5b9a\u306e\u9069\u7528\uff1a<code>@Transactional(timeout = 30)<\/code>\u306e\u3088\u3046\u306b\u8a2d\u5b9a<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-49\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30d7\u30fc\u30eb\u306e\u6700\u9069\u5316\u3068\u306e\u9023\u643a<\/h2>\n\n\n\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u6700\u9069\u5316\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30d7\u30fc\u30eb\u306e\u9069\u5207\u306a\u8a2d\u5b9a\u3068\u5bc6\u63a5\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-50\">\u91cd\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6700\u5927\u63a5\u7d9a\u6570\uff1a\u540c\u6642\u306b\u4f7f\u7528\u53ef\u80fd\u306a\u6700\u5927\u63a5\u7d9a\u6570<\/li>\n\n\n\n<li>\u6700\u5c0f\u30a2\u30a4\u30c9\u30eb\u63a5\u7d9a\u6570\uff1a\u5e38\u306b\u7dad\u6301\u3059\u308b\u6700\u5c0f\u63a5\u7d9a\u6570<\/li>\n\n\n\n<li>\u63a5\u7d9a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\uff1a\u65b0\u3057\u3044\u63a5\u7d9a\u3092\u53d6\u5f97\u3059\u308b\u969b\u306e\u5f85\u6a5f\u6642\u9593<\/li>\n\n\n\n<li>\u30a2\u30a4\u30c9\u30eb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\uff1a\u672a\u4f7f\u7528\u63a5\u7d9a\u3092\u9589\u3058\u308b\u307e\u3067\u306e\u6642\u9593<\/li>\n<\/ol>\n\n\n\n<p>Spring Boot\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">spring.datasource.hikari.maximum-pool-size=10\nspring.datasource.hikari.minimum-idle=5\nspring.datasource.hikari.connection-timeout=30000\nspring.datasource.hikari.idle-timeout=600000<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-51\">\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ea\u30fc\u30af\u306e\u9632\u6b62<\/h3>\n\n\n\n<p>\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ea\u30fc\u30af\u306f\u6df1\u523b\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9632\u6b62\u7b56\u3068\u3057\u3066\u4ee5\u4e0b\u304c\u52b9\u679c\u7684\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>try-with-resources\u6587\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>AOP\u3092\u4f7f\u7528\u3057\u305f\u81ea\u52d5\u30af\u30ed\u30fc\u30ba<\/li>\n\n\n\n<li>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5883\u754c\u306e\u660e\u78ba\u306a\u8a2d\u5b9a<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Transactional\npublic void someMethod() {\n    \/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5883\u754c\u304c\u660e\u78ba\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\n    \/\/ \u30e1\u30bd\u30c3\u30c9\u7d42\u4e86\u6642\u306b\u81ea\u52d5\u7684\u306b\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u304c\u89e3\u653e\u3055\u308c\u308b\n}<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-52\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6e2c\u5b9a\u3068\u6700\u9069\u5316\u306e\u30d7\u30ed\u30bb\u30b9<\/h2>\n\n\n\n<p>\u7d99\u7d9a\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306b\u306f\u3001\u9069\u5207\u306a\u6e2c\u5b9a\u3068\u5206\u6790\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-53\">\u4e3b\u8981\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6307\u6a19<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ec\u30b9\u30dd\u30f3\u30b9\u30bf\u30a4\u30e0\uff1a\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406\u306b\u304b\u304b\u308b\u6642\u9593<\/li>\n\n\n\n<li>\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\uff1a\u5358\u4f4d\u6642\u9593\u3042\u305f\u308a\u306e\u51e6\u7406\u53ef\u80fd\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u6570<\/li>\n\n\n\n<li>CPU\u4f7f\u7528\u7387\uff1a\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u4f7f\u7528\u7387<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\uff1a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4f7f\u7528\u3059\u308b\u30e1\u30e2\u30ea\u91cf<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u6570\uff1a\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u63a5\u7d9a\u6570\u3068\u30a2\u30a4\u30c9\u30eb\u63a5\u7d9a\u6570<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-54\">\u6e2c\u5b9a\u30c4\u30fc\u30eb<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>JProfiler\uff1a\u8a73\u7d30\u306aCPU\u3068\u30e1\u30e2\u30ea\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>VisualVM\uff1aJava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u76e3\u8996\u3068\u5206\u6790<\/li>\n\n\n\n<li>Spring Boot Actuator\uff1a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5065\u5168\u6027\u3068\u6307\u6a19\u306e\u9732\u51fa<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-55\">A\/B\u30c6\u30b9\u30c8<\/h3>\n\n\n\n<p>\u7570\u306a\u308b\u8a2d\u5b9a\u3084\u5b9f\u88c5\u3092\u6bd4\u8f03\u3057\u3001\u6700\u9069\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306eA\/B\u30c6\u30b9\u30c8\u306f\u975e\u5e38\u306b\u6709\u52b9\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u7570\u306a\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u8a2d\u5b9a\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30d7\u30fc\u30eb\u8a2d\u5b9a\u3092\u6bd4\u8f03\u3057\u3001\u6700\u9069\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u9054\u6210\u3059\u308b\u7d44\u307f\u5408\u308f\u305b\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-56\">\u307e\u3068\u3081\uff1a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7bc4\u56f2\u3092\u8a2d\u5b9a\u3059\u308b<\/li>\n\n\n\n<li>\u8aad\u307f\u53d6\u308a\u5c02\u7528\u64cd\u4f5c\u306b\u306f\u660e\u793a\u7684\u306b<code>readOnly = true<\/code>\u3092\u6307\u5b9a\u3059\u308b<\/li>\n\n\n\n<li>\u9069\u5207\u306aisolation\u30ec\u30d9\u30eb\u3092\u9078\u629e\u3057\u3001\u4e0d\u5fc5\u8981\u306b\u9ad8\u3044\u30ec\u30d9\u30eb\u306f\u907f\u3051\u308b<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30d7\u30fc\u30eb\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3057\u3001\u5b9a\u671f\u7684\u306b\u8abf\u6574\u3059\u308b<\/li>\n\n\n\n<li>\u5b9a\u671f\u7684\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u76e3\u8996\u3057\u3001\u7d99\u7d9a\u7684\u306b\u6700\u9069\u5316\u3092\u884c\u3046<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u306e\u5fdc\u7b54\u6027\u3068\u52b9\u7387\u6027\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6700\u9069\u5316\u306f\u5e38\u306b\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3092\u4f34\u3046\u305f\u3081\u3001\u30d3\u30b8\u30cd\u30b9\u8981\u4ef6\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u614e\u91cd\u306b\u691c\u8a0e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001@Transactional\u306e\u9ad8\u5ea6\u306a\u4f7f\u7528\u4f8b\u3068\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3088\u308a\u8907\u96d1\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u65b9\u6cd5\u3068\u3001\u9ad8\u5ea6\u306a\u6a5f\u80fd\u306e\u6d3b\u7528\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-57\">7. @Transactional\u306e\u9ad8\u5ea6\u306a\u4f7f\u7528\u4f8b\u3068\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/h1>\n\n\n\n<p>\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u3084\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u304a\u3044\u3066\u3001\u9ad8\u5ea6\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306f\u4e00\u8cab\u6027\u3068\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u672c\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Spring Framework\u306b\u304a\u3051\u308b@Transactional\u306e\u9ad8\u5ea6\u306a\u4f7f\u7528\u4f8b\u3068\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-58\">\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u7ba1\u7406\u624b\u6cd5<\/h2>\n\n\n\n<p>\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u3001\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084\u30ea\u30bd\u30fc\u30b9\u306b\u307e\u305f\u304c\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7ba1\u7406\u306b\u306f\u7279\u6709\u306e\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-59\">Spring Framework\u3067\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>Spring Framework\u3067\u306f\u3001JtaTransactionManager\u3092\u4f7f\u7528\u3057\u3066\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Configuration\npublic class TransactionConfig {\n    @Bean\n    public JtaTransactionManager transactionManager() {\n        return new JtaTransactionManager();\n    }\n}\n\n@Service\npublic class ComplexService {\n    @Transactional(transactionManager = \"jtaTransactionManager\")\n    public void complexOperation() {\n        \/\/ \u8907\u6570\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u64cd\u4f5c\u3059\u308b\u30ed\u30b8\u30c3\u30af\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-60\">2\u76f8\u30b3\u30df\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb<\/h3>\n\n\n\n<p>\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u306f\u30012\u76f8\u30b3\u30df\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u6e96\u5099\u30d5\u30a7\u30fc\u30ba\u3068\u30b3\u30df\u30c3\u30c8\u30d5\u30a7\u30fc\u30ba\u306e2\u6bb5\u968e\u3067\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u78ba\u5b9a\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3084\u969c\u5bb3\u6642\u306e\u8907\u96d1\u3055\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-61\">Saga\u30d1\u30bf\u30fc\u30f3<\/h3>\n\n\n\n<p>\u9577\u6642\u9593\u5b9f\u884c\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4ee3\u66ff\u30a2\u30d7\u30ed\u30fc\u30c1\u3068\u3057\u3066\u3001Saga\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u4e00\u9023\u306e\u5c40\u6240\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u88dc\u511f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class OrderSaga {\n    @Transactional\n    public void processOrder(Order order) {\n        try {\n            createOrder(order);\n            processPayment(order);\n            shipOrder(order);\n        } catch (Exception e) {\n            compensateTransaction(order);\n            throw e;\n        }\n    }\n\n    private void compensateTransaction(Order order) {\n        \/\/ \u88dc\u511f\u30ed\u30b8\u30c3\u30af\uff08\u4f8b\uff1a\u652f\u6255\u3044\u306e\u53d6\u308a\u6d88\u3057\u3001\u5728\u5eab\u306e\u623b\u3057\uff09\n    }\n}<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-62\">\u975e\u540c\u671f\u51e6\u7406\u3068\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u7d71\u5408<\/h2>\n\n\n\n<p>\u975e\u540c\u671f\u51e6\u7406\u3068\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u7d71\u5408\u306b\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u4f1d\u64ad\u3068\u3044\u3046\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-63\">@Async \u3068 @Transactional \u306e\u4f75\u7528<\/h3>\n\n\n\n<p>@Async \u3068 @Transactional \u306f\u5225\u3005\u306e\u30d7\u30ed\u30ad\u30b7\u3067\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001\u5358\u7d14\u306a\u4f75\u7528\u3067\u306f\u671f\u5f85\u901a\u308a\u306b\u52d5\u4f5c\u3057\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class AsyncService {\n    @Async\n    @Transactional\n    public void asyncOperation() {\n        \/\/ \u3053\u306e\u64cd\u4f5c\u306f\u65b0\u3057\u3044\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u5b9f\u884c\u3055\u308c\u308b\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-64\">TransactionSynchronizationManager \u306e\u4f7f\u7528<\/h3>\n\n\n\n<p>\u73fe\u5728\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001TransactionSynchronizationManager \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class AsyncService {\n    @Async\n    public void asyncOperation() {\n        TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {\n            @Override\n            public void afterCompletion(int status) {\n                \/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5b8c\u4e86\u5f8c\u306e\u51e6\u7406\n            }\n        });\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-65\">\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406<\/h3>\n\n\n\n<p>@TransactionalEventListener \u3092\u4f7f\u7528\u3057\u3066\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306b\u5fdc\u3058\u305f\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class OrderService {\n    @Autowired\n    private ApplicationEventPublisher publisher;\n\n    @Transactional\n    public void createOrder(Order order) {\n        \/\/ \u6ce8\u6587\u4f5c\u6210\u30ed\u30b8\u30c3\u30af\n        publisher.publishEvent(new OrderCreatedEvent(order));\n    }\n}\n\n@Component\npublic class OrderEventListener {\n    @TransactionalEventListener(phase = TransactionPhase.AFTER_COMMIT)\n    public void handleOrderCreated(OrderCreatedEvent event) {\n        \/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30b3\u30df\u30c3\u30c8\u5f8c\u306e\u51e6\u7406\n    }\n}<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-66\">\u9ad8\u5ea6\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-67\">\u30d7\u30ed\u30b0\u30e9\u30de\u30c6\u30a3\u30c3\u30af\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406<\/h3>\n\n\n\n<p>TransactionTemplate \u3092\u4f7f\u7528\u3057\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3088\u308b\u304d\u3081\u7d30\u304b\u3044\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class ManualTransactionService {\n    @Autowired\n    private TransactionTemplate transactionTemplate;\n\n    public void complexOperation() {\n        transactionTemplate.execute(new TransactionCallback&lt;Object&gt;() {\n            public Object doInTransaction(TransactionStatus status) {\n                try {\n                    \/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\n                    return null;\n                } catch (Exception e) {\n                    status.setRollbackOnly();\n                    throw e;\n                }\n            }\n        });\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-68\">\u30ab\u30b9\u30bf\u30e0\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u6226\u7565<\/h3>\n\n\n\n<p>CustomizableTraceInterceptor \u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u632f\u308b\u821e\u3044\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class CustomTransactionInterceptor extends TransactionInterceptor {\n    @Override\n    protected TransactionInfo createTransactionIfNecessary(\/* parameters *\/) {\n        \/\/ \u30ab\u30b9\u30bf\u30e0\u30ed\u30b8\u30c3\u30af\n        return super.createTransactionIfNecessary(\/* parameters *\/);\n    }\n}<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-69\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>@Transactional\u306e\u9ad8\u5ea6\u306a\u4f7f\u7528\u3068\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u4fe1\u983c\u6027\u3068\u67d4\u8edf\u6027\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3001\u975e\u540c\u671f\u51e6\u7406\u3068\u306e\u7d71\u5408\u3001\u30ab\u30b9\u30bf\u30e0\u5b9f\u88c5\u306a\u3069\u3001\u69d8\u3005\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u9078\u629e\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u8981\u4ef6\u306b\u5408\u308f\u305b\u3066\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u9ad8\u5ea6\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7fd2\u5f97\u3057\u3001\u9069\u5207\u306b\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306f\u3057\u3070\u3057\u3070\u8907\u96d1\u3067\u3042\u308a\u3001\u9069\u7528\u306b\u306f\u614e\u91cd\u306a\u8a2d\u8a08\u3068\u5341\u5206\u306a\u30c6\u30b9\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u307e\u3067\u306e\u5185\u5bb9\u3092\u7dcf\u62ec\u3057\u3001@Transactional\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528\u306e\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3068\u3001\u3055\u3089\u306a\u308b\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-70\">8. \u307e\u3068\u3081\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h1>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001Spring Framework\u306e@Transactional\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u3001\u57fa\u790e\u304b\u3089\u9ad8\u5ea6\u306a\u4f7f\u7528\u65b9\u6cd5\u307e\u3067\u5e45\u5e83\u304f\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u307e\u3067\u306e\u5185\u5bb9\u3092\u632f\u308a\u8fd4\u308a\u3001@Transactional\u306e\u30de\u30b9\u30bf\u30fc\u5316\u306b\u5411\u3051\u305f\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3068\u3001\u3055\u3089\u306a\u308b\u5b66\u7fd2\u306e\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-71\">@Transactional\u30de\u30b9\u30bf\u30fc\u5316\u306e\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001@Transactional\u306b\u95a2\u3059\u308b\u7406\u89e3\u5ea6\u3092\u78ba\u8a8d\u3057\u3001\u3055\u3089\u306a\u308b\u5b66\u7fd2\u306e\u65b9\u5411\u6027\u3092\u5b9a\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>[ ] @Transactional\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u3092\u7406\u89e3\u3057\u3066\u3044\u308b<\/li>\n\n\n\n<li>[ ] \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4f1d\u64ad\u5c5e\u6027\uff08Propagation\uff09\u306e\u9055\u3044\u3092\u8aac\u660e\u3067\u304d\u308b<\/li>\n\n\n\n<li>[ ] \u9069\u5207\u306a\u5206\u96e2\u30ec\u30d9\u30eb\uff08Isolation\uff09\u3092\u9078\u629e\u3067\u304d\u308b<\/li>\n\n\n\n<li>[ ] \u8aad\u307f\u53d6\u308a\u5c02\u7528\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u6700\u9069\u5316\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u3044\u308b<\/li>\n\n\n\n<li>[ ] \u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u52d5\u4f5c\u3068\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u65b9\u6cd5\u3092\u7406\u89e3\u3057\u3066\u3044\u308b<\/li>\n\n\n\n<li>[ ] \u30cd\u30b9\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4f7f\u7528\u65b9\u6cd5\u3068\u6ce8\u610f\u70b9\u3092\u628a\u63e1\u3057\u3066\u3044\u308b<\/li>\n\n\n\n<li>[ ] \u975e\u540c\u671f\u51e6\u7406\u3068\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u7d71\u5408\u65b9\u6cd5\u3092\u7406\u89e3\u3057\u3066\u3044\u308b<\/li>\n\n\n\n<li>[ ] \u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u6982\u5ff5\u3068\u5b9f\u88c5\u65b9\u6cd5\u3092\u8aac\u660e\u3067\u304d\u308b<\/li>\n\n\n\n<li>[ ] \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u7528\u3067\u304d\u308b<\/li>\n\n\n\n<li>[ ] \u30d7\u30ed\u30b0\u30e9\u30de\u30c6\u30a3\u30c3\u30af\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u3044\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u306e\u5404\u9805\u76ee\u306b\u3064\u3044\u3066\u5341\u5206\u306b\u7406\u89e3\u3057\u3001\u5b9f\u8df5\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u304c\u3001@Transactional\u306e\u30de\u30b9\u30bf\u30fc\u5316\u3078\u306e\u9053\u306e\u308a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-72\">\u3055\u3089\u306a\u308b\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9\u3068\u5b9f\u8df5\u7684\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4f8b<\/h2>\n\n\n\n<p>@Transactional\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u6df1\u304f\u5b66\u3076\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\uff1a\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/docs.spring.io\/spring-framework\/docs\/current\/reference\/html\/data-access.html#transaction\">Spring Framework\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u66f8\u7c4d\uff1a\n<ul class=\"wp-block-list\">\n<li>\u201cSpring in Action, Fifth Edition\u201d by Craig Walls<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30aa\u30f3\u30e9\u30a4\u30f3\u30b3\u30fc\u30b9\uff1a\n<ul class=\"wp-block-list\">\n<li>Udemy: \u201cSpring Framework 5: Beginner to Guru\u201d<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6280\u8853\u30d6\u30ed\u30b0\uff1a\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.baeldung.com\/transaction-configuration-with-jpa-and-spring\">Baeldung\u306b\u3088\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u89e3\u8aac<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4f8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9280\u884c\u53d6\u5f15\u30b7\u30b9\u30c6\u30e0\uff1a\u8907\u6570\u306e\u53e3\u5ea7\u9593\u3067\u306e\u9001\u91d1\u51e6\u7406\u3092@Transactional\u3092\u4f7f\u3063\u3066\u5b9f\u88c5<\/li>\n\n\n\n<li>\u5728\u5eab\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\uff1a\u6ce8\u6587\u51e6\u7406\u3068\u5728\u5eab\u66f4\u65b0\u3092\u4e00\u8cab\u6027\u3092\u4fdd\u3061\u3064\u3064\u5b9f\u88c5<\/li>\n\n\n\n<li>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\uff1aSaga\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u3063\u305f\u5b9f\u88c5<\/li>\n\n\n\n<li>\u975e\u540c\u671f\u51e6\u7406\u3092\u542b\u3080\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u30a8\u30f3\u30b8\u30f3\uff1a@Transactional\u3068@Async\u306e\u9069\u5207\u306a\u7d44\u307f\u5408\u308f\u305b<\/li>\n<\/ul>\n\n\n\n<p>\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30ea\u30bd\u30fc\u30b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stack Overflow: spring-transactional\u30bf\u30b0<\/li>\n\n\n\n<li>Spring Framework\u306e\u516c\u5f0f\u30d5\u30a9\u30fc\u30e9\u30e0<\/li>\n\n\n\n<li>GitHub: spring-projects\u30ea\u30dd\u30b8\u30c8\u30ea<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30ea\u30bd\u30fc\u30b9\u3068\u5b9f\u8df5\u7684\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u901a\u3058\u3066\u3001@Transactional\u306e\u7406\u89e3\u3092\u3055\u3089\u306b\u6df1\u3081\u3001\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u52b9\u679c\u7684\u306b\u9069\u7528\u3059\u308b\u80fd\u529b\u3092\u990a\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-73\">\u7d99\u7d9a\u7684\u306a\u5b66\u7fd2\u306e\u91cd\u8981\u6027<\/h2>\n\n\n\n<p>\u6280\u8853\u306e\u9032\u5316\u306f\u5e38\u306b\u7d9a\u3044\u3066\u304a\u308a\u3001Spring Framework\u3082\u4f8b\u5916\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002@Transactional\u306e\u9069\u5207\u306a\u4f7f\u7528\u65b9\u6cd5\u3084\u3001\u95a2\u9023\u3059\u308b\u6280\u8853\u306f\u65e5\u3005\u9032\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u7d99\u7d9a\u7684\u306a\u5b66\u7fd2\u3068\u5b9f\u8df5\u304c\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6700\u5f8c\u306b\u3001@Transactional\u306e\u30de\u30b9\u30bf\u30fc\u5316\u306f\u3001\u5805\u7262\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3078\u306e\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u5185\u5bb9\u3092\u57fa\u790e\u3068\u3057\u3066\u3001\u5b9f\u8df5\u3092\u91cd\u306d\u3001\u3055\u3089\u306a\u308b\u63a2\u6c42\u3092\u7d9a\u3051\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u30b9\u30ad\u30eb\u30d5\u30eb\u306a\u958b\u767a\u8005\u3078\u3068\u6210\u9577\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002\u7686\u69d8\u306e\u5b66\u7fd2\u3068\u6210\u9577\u304c\u3001\u7d20\u6674\u3089\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5275\u9020\u306b\u3064\u306a\u304c\u308b\u3053\u3068\u3092\u9858\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Spring Framework @Transactional\u306e\u57fa\u790e Spring Framework\u306f\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30baJava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u30c4\u30fc\u30eb\u3068\u3057\u3066\u5e83\u304f\u8a8d\u77e5\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067\u3082\u3001@ &#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":{"0":"post-298","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-java","7":"nothumb"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=298"}],"version-history":[{"count":3,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/298\/revisions"}],"predecessor-version":[{"id":382,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/298\/revisions\/382"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}