{"id":1179,"date":"2025-03-24T08:52:41","date_gmt":"2025-03-23T23:52:41","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1179"},"modified":"2025-03-24T08:52:41","modified_gmt":"2025-03-23T23:52:41","slug":"%e3%80%90%e4%bf%9d%e5%ad%98%e7%89%88%e3%80%91akka%e3%83%95%e3%83%ac%e3%83%bc%e3%83%a0%e3%83%af%e3%83%bc%e3%82%af%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%892024%ef%bc%9a7%e3%81%a4%e3%81%ae%e5%ae%9f","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1179","title":{"rendered":"\u3010\u4fdd\u5b58\u7248\u3011Akka\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u5b8c\u5168\u30ac\u30a4\u30c92024\uff1a7\u3064\u306e\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u52b9\u679c\u5c0e\u5165"},"content":{"rendered":"\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\">Akka\u3068\u306f\uff1f \u30a2\u30af\u30bf\u30fc\u30e2\u30c7\u30eb\u306b\u3088\u308b\u4e26\u5217\u51e6\u7406\u306e\u9769\u65b0\u7684\u89e3\u6c7a\u7b56<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">Java\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u4e26\u884c\u51e6\u7406\u306e\u8ab2\u984c\u3068\u89e3\u6c7a\u7b56<\/a>      <\/li>      <li>        <a href=\"#i-2\">\u30a2\u30af\u30bf\u30fc\u30e2\u30c7\u30eb\u306e\u57fa\u672c\u6982\u5ff5\u3068\u7279\u5fb4<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">Akka\u304c\u9078\u3070\u308c\u308b3\u3064\u306e\u7406\u7531<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">Akka\u306e\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u6a5f\u80fd\u8a73\u7d30<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">\u30a2\u30af\u30bf\u30fc\u30b7\u30b9\u30c6\u30e0\uff1a\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u306e\u5fc3\u81d3\u90e8<\/a>      <\/li>      <li>        <a href=\"#i-6\">\u30b9\u30fc\u30d1\u30fc\u30d3\u30b8\u30e7\u30f3\uff1a\u969c\u5bb3\u306b\u5f37\u3044\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u306e\u5b9f\u73fe\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\uff1a\u52b9\u7387\u7684\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\u306e\u5b9f\u88c5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">\u5b9f\u8df5\u7684\u306aAkka\u306e\u5c0e\u5165\u30b9\u30c6\u30c3\u30d7<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">\u958b\u767a\u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u5c0e\u5165<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u57fa\u672c\u7684\u306a\u30a2\u30af\u30bf\u30fc\u306e\u5b9f\u88c5\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-11\">\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5\u3068\u5b9f\u7528<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">7\u3064\u306e\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-13\">\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-14\">\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306e\u7d71\u5408\u30d1\u30bf\u30fc\u30f3<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-16\">Akka\u306b\u3088\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u5b9f\u73fe\u65b9\u6cd5\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>      <li>        <a href=\"#i-18\">\u30e1\u30e2\u30ea\u7ba1\u7406\u3068\u30ea\u30bd\u30fc\u30b9\u6700\u9069\u5316\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u8abf\u6574\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-20\">\u904b\u7528\u74b0\u5883\u3067\u306eAkka\u6d3b\u7528\u306e\u30dd\u30a4\u30f3\u30c8<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-21\">\u672c\u756a\u74b0\u5883\u3067\u306e\u8a2d\u5b9a\u3068\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u6226\u7565<\/a>      <\/li>      <li>        <a href=\"#i-22\">\u969c\u5bb3\u691c\u77e5\u3068\u5fa9\u65e7\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u5b9f\u88c5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-23\">\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u30ed\u30b0\u7ba1\u7406\u306e\u5b9f\u8df5\u7684\u30a2\u30d7\u30ed\u30fc\u30c1<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-24\">Akka\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9\u3068\u89e3\u6c7a\u7b56<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-25\">\u3088\u304f\u3042\u308b\u5b9f\u88c5\u306e\u843d\u3068\u3057\u7a74\u3068\u5bfe\u51e6\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-26\">\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30a2\u30af\u30bf\u30fc\u306e\u9069\u5207\u306a\u7ba1\u7406\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-27\">\u30c6\u30b9\u30c8\u6226\u7565\u3068\u30c7\u30d0\u30c3\u30b0\u30c6\u30af\u30cb\u30c3\u30af<\/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-0\">Akka\u3068\u306f\uff1f \u30a2\u30af\u30bf\u30fc\u30e2\u30c7\u30eb\u306b\u3088\u308b\u4e26\u5217\u51e6\u7406\u306e\u9769\u65b0\u7684\u89e3\u6c7a\u7b56<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">Java\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u4e26\u884c\u51e6\u7406\u306e\u8ab2\u984c\u3068\u89e3\u6c7a\u7b56<\/h3>\n\n\n\n<p>\u73fe\u4ee3\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306b\u304a\u3044\u3066\u3001\u4e26\u884c\u51e6\u7406\u306f\u907f\u3051\u3066\u306f\u901a\u308c\u306a\u3044\u8ab2\u984c\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u5f93\u6765\u306eJava\u306b\u304a\u3051\u308b\u4e26\u884c\u51e6\u7406\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8ab2\u984c\u304c\u5b58\u5728\u3057\u3066\u3044\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b9\u30ec\u30c3\u30c9\u3068\u30ed\u30c3\u30af\u306b\u3088\u308b\u8907\u96d1\u6027<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306e\u30ea\u30b9\u30af<\/li>\n\n\n\n<li>\u7af6\u5408\u72b6\u614b\u306e\u5236\u5fa1\u306e\u96e3\u3057\u3055<\/li>\n\n\n\n<li>\u30b9\u30ec\u30c3\u30c9\u9593\u306e\u72b6\u614b\u5171\u6709\u306b\u3088\u308b\u554f\u984c<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u5236\u9650<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306e\u7ba1\u7406\u30b3\u30b9\u30c8<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u5229\u7528\u306e\u96e3\u3057\u3055<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u8ab2\u984c\u306b\u5bfe\u3057\u3066\u3001Akka\u306f\u9769\u65b0\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002Akka\u306f\u3001JVM\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u4e26\u884c\u30fb\u5206\u6563\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u30c4\u30fc\u30eb\u30ad\u30c3\u30c8\u3067\u3042\u308a\u3001\u30a2\u30af\u30bf\u30fc\u30e2\u30c7\u30eb\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u52b9\u679c\u7684\u306b\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u30a2\u30af\u30bf\u30fc\u30e2\u30c7\u30eb\u306e\u57fa\u672c\u6982\u5ff5\u3068\u7279\u5fb4<\/h3>\n\n\n\n<p>\u30a2\u30af\u30bf\u30fc\u30e2\u30c7\u30eb\u306f\u4ee5\u4e0b\u306e\u4e3b\u8981\u306a\u7279\u5fb4\u3092\u6301\u3064\u4e26\u884c\u8a08\u7b97\u30e2\u30c7\u30eb\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ab\u30d7\u30bb\u30eb\u5316\u3055\u308c\u305f\u72b6\u614b<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5404\u30a2\u30af\u30bf\u30fc\u306f\u81ea\u8eab\u306e\u72b6\u614b\u3092\u5b8c\u5168\u306b\u7ba1\u7406<\/li>\n\n\n\n<li>\u76f4\u63a5\u7684\u306a\u72b6\u614b\u5171\u6709\u304c\u5b58\u5728\u3057\u306a\u3044<\/li>\n\n\n\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u30d1\u30c3\u30b7\u30f3\u30b0\u306b\u3088\u308b\u901a\u4fe1<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u99c6\u52d5\u578b<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u975e\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0<\/li>\n\n\n\n<li>\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306a\u30e1\u30c3\u30bb\u30fc\u30b8<\/li>\n\n\n\n<li>\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u3088\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u30a4\u30f3\u30b0<\/li>\n<\/ul>\n\n\n\n<p>\u57fa\u672c\u7684\u306a\u30a2\u30af\u30bf\u30fc\u306e\u5b9f\u88c5\u4f8b\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=\"\">public class CalculatorActor extends AbstractActor {\n    \/\/ \u30a2\u30af\u30bf\u30fc\u306e\u632f\u308b\u821e\u3044\u3092\u5b9a\u7fa9\n    @Override\n    public Receive createReceive() {\n        return receiveBuilder()\n            .match(Add.class, msg -&gt; {\n                \/\/ \u52a0\u7b97\u51e6\u7406\u306e\u5b9f\u884c\n                int result = msg.a + msg.b;\n                \/\/ \u7d50\u679c\u3092\u9001\u4fe1\u8005\u306b\u8fd4\u3059\n                sender().tell(result, self());\n            })\n            .build();\n    }\n\n    \/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\n    public static class Add {\n        public final int a;\n        public final int b;\n\n        public Add(int a, int b) {\n            this.a = a;\n            this.b = b;\n        }\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">Akka\u304c\u9078\u3070\u308c\u308b3\u3064\u306e\u7406\u7531<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u512a\u308c\u305f\u969c\u5bb3\u8010\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u968e\u5c64\u7684\u306a\u76e3\u8996\u30b7\u30b9\u30c6\u30e0<\/li>\n\n\n\n<li>\u81ea\u5df1\u4fee\u5fa9\u6a5f\u80fd<\/li>\n\n\n\n<li>\u969c\u5bb3\u306e\u9694\u96e2\u3068\u56de\u5fa9\u30e1\u30ab\u30cb\u30ba\u30e0<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9ad8\u3044\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f4d\u7f6e\u900f\u904e\u6027\u306b\u3088\u308b\u5206\u6563\u51e6\u7406<\/li>\n\n\n\n<li>\u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u5229\u7528<\/li>\n\n\n\n<li>\u52d5\u7684\u306a\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u8abf\u6574<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u958b\u767a\u751f\u7523\u6027\u306e\u5411\u4e0a<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76f4\u611f\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e2\u30c7\u30eb<\/li>\n\n\n\n<li>\u8c4a\u5bcc\u306a\u30c4\u30fc\u30eb\u30bb\u30c3\u30c8\u3068\u30e9\u30a4\u30d6\u30e9\u30ea<\/li>\n\n\n\n<li>\u5145\u5b9f\u3057\u305f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3<\/li>\n<\/ul>\n\n\n\n<p>\u6027\u80fd\u6bd4\u8f03\u8868\uff1a<\/p>\n\n\n<div id=\"id-36f03127-ab8d-4a7a-9e4f-d8645bb0b0e8\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6a5f\u80fd<\/th><th>\u5f93\u6765\u306e\u4e26\u884c\u51e6\u7406<\/th><th>Akka\u306b\u3088\u308b\u5b9f\u88c5<\/th><\/tr><\/thead><tbody><tr><td>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/td><td>\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306b\u3088\u308b\u5236\u9650<\/td><td>\u307b\u307c\u7121\u5236\u9650\u306e\u30a2\u30af\u30bf\u30fc\u751f\u6210<\/td><\/tr><tr><td>\u969c\u5bb3\u51e6\u7406<\/td><td>try-catch\u306b\u3088\u308b\u4f8b\u5916\u51e6\u7406<\/td><td>\u76e3\u8996\u30c4\u30ea\u30fc\u306b\u3088\u308b\u81ea\u52d5\u5fa9\u65e7<\/td><\/tr><tr><td>\u30e1\u30e2\u30ea\u52b9\u7387<\/td><td>\u30b9\u30ec\u30c3\u30c9\u30b9\u30bf\u30c3\u30af\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/td><td>\u8efd\u91cf\u306a\u30a2\u30af\u30bf\u30fc\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/td><\/tr><tr><td>\u958b\u767a\u52b9\u7387<\/td><td>\u8907\u96d1\u306a\u540c\u671f\u30ed\u30b8\u30c3\u30af<\/td><td>\u30b7\u30f3\u30d7\u30eb\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>Akka\u306f\u3001\u3053\u308c\u3089\u306e\u7279\u5fb4\u306b\u3088\u308a\u3001\u7279\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3067\u771f\u4fa1\u3092\u767a\u63ee\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u30b7\u30b9\u30c6\u30e0<\/li>\n\n\n\n<li>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u51e6\u7406<\/li>\n\n\n\n<li>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/li>\n\n\n\n<li>IoT\u30c7\u30d0\u30a4\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">Akka\u306e\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u6a5f\u80fd\u8a73\u7d30<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30a2\u30af\u30bf\u30fc\u30b7\u30b9\u30c6\u30e0\uff1a\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u306e\u5fc3\u81d3\u90e8<\/h3>\n\n\n\n<p>\u30a2\u30af\u30bf\u30fc\u30b7\u30b9\u30c6\u30e0\u306f\u3001Akka\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u76e4\u3068\u306a\u308b\u4e2d\u6838\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u69cb\u7bc9\u3055\u308c\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=\"\">\/\/ \u30a2\u30af\u30bf\u30fc\u30b7\u30b9\u30c6\u30e0\u306e\u4f5c\u6210\nActorSystem system = ActorSystem.create(\"MyActorSystem\");\n\n\/\/ \u30a2\u30af\u30bf\u30fc\u306e\u751f\u6210\nActorRef actor = system.actorOf(Props.create(MyActor.class), \"myActor\");\n\n\/\/ \u30a2\u30af\u30bf\u30fc\u3078\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1\nactor.tell(\"Hello\", ActorRef.noSender());<\/pre>\n\n\n\n<p>\u30a2\u30af\u30bf\u30fc\u30b7\u30b9\u30c6\u30e0\u306e\u4e3b\u8981\u6a5f\u80fd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a2\u30af\u30bf\u30fc\u968e\u5c64\u7ba1\u7406<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u89aa\u5b50\u95a2\u4fc2\u306e\u5236\u5fa1<\/li>\n\n\n\n<li>\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u7ba1\u7406<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u5272\u308a\u5f53\u3066<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u975e\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/li>\n\n\n\n<li>\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u7ba1\u7406<\/li>\n\n\n\n<li>\u30c7\u30c3\u30c9\u30ec\u30bf\u30fc\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u30b9\u30fc\u30d1\u30fc\u30d3\u30b8\u30e7\u30f3\uff1a\u969c\u5bb3\u306b\u5f37\u3044\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u306e\u5b9f\u73fe\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30b9\u30fc\u30d1\u30fc\u30d3\u30b8\u30e7\u30f3\u306f\u3001Akka\u306e\u969c\u5bb3\u51e6\u7406\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u4e2d\u5fc3\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=\"\">public class SupervisorActor extends AbstractActor {\n    \/\/ \u30b9\u30fc\u30d1\u30fc\u30d0\u30a4\u30b6\u30fc\u6226\u7565\u306e\u5b9a\u7fa9\n    private static SupervisorStrategy strategy =\n        new OneForOneStrategy(\n            10, \/\/ \u6700\u5927\u518d\u8a66\u884c\u56de\u6570\n            Duration.ofMinutes(1), \/\/ \u6642\u9593\u67a0\n            DeciderBuilder\n                .match(ArithmeticException.class, e -&gt; SupervisorStrategy.restart())\n                .match(NullPointerException.class, e -&gt; SupervisorStrategy.stop())\n                .matchAny(e -&gt; SupervisorStrategy.escalate())\n                .build());\n\n    @Override\n    public SupervisorStrategy supervisorStrategy() {\n        return strategy;\n    }\n\n    @Override\n    public Receive createReceive() {\n        return receiveBuilder()\n            .matchAny(msg -&gt; {\n                \/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\n            })\n            .build();\n    }\n}<\/pre>\n\n\n\n<p>\u30b9\u30fc\u30d1\u30fc\u30d3\u30b8\u30e7\u30f3\u6226\u7565\u306e\u7a2e\u985e\uff1a<\/p>\n\n\n<div id=\"id-c56d1dc9-1e5d-4739-a3d4-6a7290e0a26d\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6226\u7565<\/th><th>\u8aac\u660e<\/th><th>\u4f7f\u7528\u30b1\u30fc\u30b9<\/th><\/tr><\/thead><tbody><tr><td>One-for-One<\/td><td>\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u30a2\u30af\u30bf\u30fc\u306e\u307f\u3092\u51e6\u7406<\/td><td>\u72ec\u7acb\u3057\u305f\u30bf\u30b9\u30af\u51e6\u7406<\/td><\/tr><tr><td>All-for-One<\/td><td>\u5168\u3066\u306e\u5b50\u30a2\u30af\u30bf\u30fc\u3092\u540c\u69d8\u306b\u51e6\u7406<\/td><td>\u76f8\u4e92\u4f9d\u5b58\u3059\u308b\u30bf\u30b9\u30af<\/td><\/tr><tr><td>Restart<\/td><td>\u30a2\u30af\u30bf\u30fc\u3092\u518d\u8d77\u52d5<\/td><td>\u4e00\u6642\u7684\u306a\u969c\u5bb3<\/td><\/tr><tr><td>Resume<\/td><td>\u73fe\u5728\u306e\u72b6\u614b\u3092\u7dad\u6301<\/td><td>\u8efd\u5fae\u306a\u30a8\u30e9\u30fc<\/td><\/tr><tr><td>Stop<\/td><td>\u30a2\u30af\u30bf\u30fc\u3092\u505c\u6b62<\/td><td>\u81f4\u547d\u7684\u306a\u30a8\u30e9\u30fc<\/td><\/tr><tr><td>Escalate<\/td><td>\u4e0a\u4f4d\u3078\u59d4\u8b72<\/td><td>\u672a\u77e5\u306e\u969c\u5bb3<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\uff1a\u52b9\u7387\u7684\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>Akka\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u52b9\u7387\u7684\u306a\u914d\u4fe1\u3068\u8ca0\u8377\u5206\u6563\u3092\u5b9f\u73fe\u3057\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=\"\">\/\/ \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u30eb\u30fc\u30bf\u30fc\u306e\u5b9f\u88c5\u4f8b\nRouter router = new Router(new RoundRobinRoutingLogic(),\n    Arrays.asList(\n        actorSystem.actorOf(Props.create(WorkerActor.class)),\n        actorSystem.actorOf(Props.create(WorkerActor.class)),\n        actorSystem.actorOf(Props.create(WorkerActor.class))\n    ));\n\n\/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\nrouter.route(new Message(\"work\"), ActorRef.noSender());<\/pre>\n\n\n\n<p>\u4e3b\u8981\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d7\u30fc\u30eb\u578b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u56fa\u5b9a\u6570\u306e\u30a2\u30af\u30bf\u30fc\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/li>\n\n\n\n<li>\u52b9\u7387\u7684\u306a\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u5206\u6563<\/li>\n\n\n\n<li>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u5236\u5fa1<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b0\u30eb\u30fc\u30d7\u578b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u52d5\u7684\u306a\u30a2\u30af\u30bf\u30fc\u53c2\u52a0\/\u96e2\u8131<\/li>\n\n\n\n<li>\u67d4\u8edf\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u5206\u6563\u74b0\u5883\u3067\u306e\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<p>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6226\u7565\u306e\u9078\u629e\u57fa\u6e96\uff1a<\/p>\n\n\n<div id=\"id-4277a9d2-b27f-462c-842d-b3ade642226a\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8981\u4ef6<\/th><th>\u63a8\u5968\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6226\u7565<\/th><th>\u7279\u5fb4<\/th><\/tr><\/thead><tbody><tr><td>\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8<\/td><td>RoundRobin<\/td><td>\u5747\u7b49\u306a\u8ca0\u8377\u5206\u6563<\/td><\/tr><tr><td>\u512a\u5148\u5ea6\u51e6\u7406<\/td><td>SmallestMailbox<\/td><td>\u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u5229\u7528<\/td><\/tr><tr><td>\u30ab\u30b9\u30bf\u30e0\u30ed\u30b8\u30c3\u30af<\/td><td>ConsistentHashing<\/td><td>\u6c7a\u5b9a\u7684\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/td><\/tr><tr><td>\u9069\u5fdc\u578b\u8ca0\u8377\u5206\u6563<\/td><td>Adaptive<\/td><td>\u52d5\u7684\u306a\u6700\u9069\u5316<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u3067\u56de\u5fa9\u529b\u306e\u9ad8\u3044\u5206\u6563\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-8\">\u5b9f\u8df5\u7684\u306aAkka\u306e\u5c0e\u5165\u30b9\u30c6\u30c3\u30d7<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u958b\u767a\u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u5c0e\u5165<\/h3>\n\n\n\n<p>Akka\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u958b\u59cb\u3059\u308b\u305f\u3081\u306e\u74b0\u5883\u69cb\u7bc9\u624b\u9806\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Maven\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5834\u5408\uff08pom.xml\uff09\uff1a<\/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=\"\">&lt;properties&gt;\n    &lt;akka.version&gt;2.8.0&lt;\/akka.version&gt;\n    &lt;scala.binary.version&gt;2.13&lt;\/scala.binary.version&gt;\n&lt;\/properties&gt;\n\n&lt;dependencies&gt;\n    &lt;dependency&gt;\n        &lt;groupId&gt;com.typesafe.akka&lt;\/groupId&gt;\n        &lt;artifactId&gt;akka-actor-typed_${scala.binary.version}&lt;\/artifactId&gt;\n        &lt;version&gt;${akka.version}&lt;\/version&gt;\n    &lt;\/dependency&gt;\n    &lt;dependency&gt;\n        &lt;groupId&gt;com.typesafe.akka&lt;\/groupId&gt;\n        &lt;artifactId&gt;akka-actor-testkit-typed_${scala.binary.version}&lt;\/artifactId&gt;\n        &lt;version&gt;${akka.version}&lt;\/version&gt;\n        &lt;scope&gt;test&lt;\/scope&gt;\n    &lt;\/dependency&gt;\n&lt;\/dependencies&gt;<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Gradle\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5834\u5408\uff08build.gradle\uff09\uff1a<\/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=\"\">def akkaVersion = '2.8.0'\n\ndependencies {\n    implementation \"com.typesafe.akka:akka-actor-typed_2.13:${akkaVersion}\"\n    testImplementation \"com.typesafe.akka:akka-actor-testkit-typed_2.13:${akkaVersion}\"\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u57fa\u672c\u7684\u306a\u30a2\u30af\u30bf\u30fc\u306e\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>\u30b7\u30f3\u30d7\u30eb\u306a\u30ab\u30a6\u30f3\u30bf\u30fc\u30a2\u30af\u30bf\u30fc\u306e\u5b9f\u88c5\u3092\u901a\u3058\u3066\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u8aac\u660e\u3057\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=\"\">\/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5b9a\u7fa9\npublic interface CounterProtocol {\n    public class Increment {\n        public static final Increment INSTANCE = new Increment();\n        private Increment() {}\n    }\n\n    public class GetValue {\n        private final ActorRef&lt;Integer&gt; replyTo;\n        public GetValue(ActorRef&lt;Integer&gt; replyTo) {\n            this.replyTo = replyTo;\n        }\n    }\n}\n\n\/\/ \u30ab\u30a6\u30f3\u30bf\u30fc\u30a2\u30af\u30bf\u30fc\u306e\u5b9f\u88c5\npublic class CounterActor extends AbstractBehavior&lt;CounterProtocol&gt; {\n    private int count = 0;\n\n    \/\/ \u30a2\u30af\u30bf\u30fc\u751f\u6210\u7528\u306e\u30d5\u30a1\u30af\u30c8\u30ea\u30e1\u30bd\u30c3\u30c9\n    public static Behavior&lt;CounterProtocol&gt; create() {\n        return Behaviors.setup(CounterActor::new);\n    }\n\n    private CounterActor(ActorContext&lt;CounterProtocol&gt; context) {\n        super(context);\n    }\n\n    @Override\n    public Receive&lt;CounterProtocol&gt; createReceive() {\n        return newReceiveBuilder()\n            .onMessage(Increment.class, msg -&gt; onIncrement())\n            .onMessage(GetValue.class, this::onGetValue)\n            .build();\n    }\n\n    private Behavior&lt;CounterProtocol&gt; onIncrement() {\n        count++;\n        return this;\n    }\n\n    private Behavior&lt;CounterProtocol&gt; onGetValue(GetValue msg) {\n        msg.replyTo.tell(count);\n        return this;\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5\u3068\u5b9f\u7528<\/h3>\n\n\n\n<p>Akka\u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u8981\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\u3092\u7d39\u4ecb\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Request-Response \u30d1\u30bf\u30fc\u30f3\uff1a<\/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=\"\">public class CalculatorActor extends AbstractBehavior&lt;CalculatorActor.Command&gt; {\n    public interface Command {}\n\n    public static class Add implements Command {\n        public final int a;\n        public final int b;\n        public final ActorRef&lt;Integer&gt; replyTo;\n\n        public Add(int a, int b, ActorRef&lt;Integer&gt; replyTo) {\n            this.a = a;\n            this.b = b;\n            this.replyTo = replyTo;\n        }\n    }\n\n    @Override\n    public Receive&lt;Command&gt; createReceive() {\n        return newReceiveBuilder()\n            .onMessage(Add.class, msg -&gt; {\n                int result = msg.a + msg.b;\n                msg.replyTo.tell(result);\n                return this;\n            })\n            .build();\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Publish-Subscribe \u30d1\u30bf\u30fc\u30f3\uff1a<\/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=\"\">public class EventBusActor extends AbstractBehavior&lt;EventBusActor.Command&gt; {\n    private final Set&lt;ActorRef&lt;Event&gt;&gt; subscribers = new HashSet&lt;&gt;();\n\n    public interface Command {}\n    public interface Event {}\n\n    public static class Subscribe implements Command {\n        public final ActorRef&lt;Event&gt; subscriber;\n        public Subscribe(ActorRef&lt;Event&gt; subscriber) {\n            this.subscriber = subscriber;\n        }\n    }\n\n    public static class Publish implements Command {\n        public final Event event;\n        public Publish(Event event) {\n            this.event = event;\n        }\n    }\n\n    @Override\n    public Receive&lt;Command&gt; createReceive() {\n        return newReceiveBuilder()\n            .onMessage(Subscribe.class, msg -&gt; {\n                subscribers.add(msg.subscriber);\n                return this;\n            })\n            .onMessage(Publish.class, msg -&gt; {\n                subscribers.forEach(subscriber -&gt; \n                    subscriber.tell(msg.event));\n                return this;\n            })\n            .build();\n    }\n}<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u6642\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n<div id=\"id-15803e80-9d71-434b-a97b-96f6e6cab778\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30d1\u30bf\u30fc\u30f3<\/th><th>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/th><th>\u6ce8\u610f\u70b9<\/th><\/tr><\/thead><tbody><tr><td>Request-Response<\/td><td>\u540c\u671f\u7684\u306a\u51e6\u7406\u304c\u5fc5\u8981\u306a\u5834\u5408<\/td><td>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u51e6\u7406\u306e\u5b9f\u88c5<\/td><\/tr><tr><td>Fire-and-Forget<\/td><td>\u975e\u540c\u671f\u51e6\u7406\u3067\u7d50\u679c\u4e0d\u8981\u306e\u5834\u5408<\/td><td>\u30e1\u30c3\u30bb\u30fc\u30b8\u914d\u4fe1\u4fdd\u8a3c\u306a\u3057<\/td><\/tr><tr><td>Publish-Subscribe<\/td><td>\u30a4\u30d9\u30f3\u30c8\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0<\/td><td>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u7ba1\u7406<\/td><\/tr><tr><td>Ask Pattern<\/td><td>\u5fdc\u7b54\u5f85\u3061\u304c\u5fc5\u8981\u306a\u5834\u5408<\/td><td>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u56de\u907f<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30a2\u30af\u30bf\u30fc\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">7\u3064\u306e\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\n\n\n\n<p>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u304a\u3051\u308bAkka\u306e\u6d3b\u7528\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u30b9\u30c8\u30ea\u30fc\u30e0\u30c7\u30fc\u30bf\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5\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=\"\">public class DataProcessingActor extends AbstractBehavior&lt;DataProcessingActor.Command&gt; {\n    public interface Command {}\n\n    public static class ProcessData implements Command {\n        public final List&lt;String&gt; data;\n        public final ActorRef&lt;ProcessingResult&gt; replyTo;\n\n        public ProcessData(List&lt;String&gt; data, ActorRef&lt;ProcessingResult&gt; replyTo) {\n            this.data = data;\n            this.replyTo = replyTo;\n        }\n    }\n\n    private final List&lt;ActorRef&lt;WorkerActor.Command&gt;&gt; workers;\n\n    public DataProcessingActor(ActorContext&lt;Command&gt; context) {\n        super(context);\n        \/\/ \u30ef\u30fc\u30ab\u30fc\u30a2\u30af\u30bf\u30fc\u306e\u30d7\u30fc\u30eb\u3092\u4f5c\u6210\n        workers = IntStream.range(0, 5)\n            .mapToObj(i -&gt; context.spawn(\n                WorkerActor.create(), \"worker-\" + i))\n            .collect(Collectors.toList());\n    }\n\n    @Override\n    public Receive&lt;Command&gt; createReceive() {\n        return newReceiveBuilder()\n            .onMessage(ProcessData.class, this::onProcessData)\n            .build();\n    }\n\n    private Behavior&lt;Command&gt; onProcessData(ProcessData msg) {\n        \/\/ \u30c7\u30fc\u30bf\u3092\u5206\u5272\u3057\u3066\u30ef\u30fc\u30ab\u30fc\u306b\u5206\u6563\n        List&lt;List&lt;String&gt;&gt; chunks = splitIntoChunks(msg.data, workers.size());\n        for (int i = 0; i &lt; workers.size(); i++) {\n            workers.get(i).tell(new WorkerActor.ProcessChunk(\n                chunks.get(i), msg.replyTo));\n        }\n        return this;\n    }\n}<\/pre>\n\n\n\n<p>\u4e3b\u306a\u5229\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e\u4e26\u5217\u51e6\u7406\u304c\u5bb9\u6613<\/li>\n\n\n\n<li>\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u51e6\u7406\u80fd\u529b<\/li>\n\n\n\n<li>\u969c\u5bb3\u306b\u5f37\u3044\u51e6\u7406\u30d5\u30ed\u30fc<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u306e\u4f8b\u3068\u3057\u3066\u3001\u30bb\u30f3\u30b5\u30fc\u30c7\u30fc\u30bf\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u3092\u5b9f\u88c5\u3057\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=\"\">public class SensorDataProcessor extends AbstractBehavior&lt;SensorDataProcessor.Command&gt; {\n    public interface Command {}\n\n    public static class SensorReading implements Command {\n        public final String sensorId;\n        public final double value;\n        public final long timestamp;\n\n        public SensorReading(String sensorId, double value, long timestamp) {\n            this.sensorId = sensorId;\n            this.value = value;\n            this.timestamp = timestamp;\n        }\n    }\n\n    private final Map&lt;String, List&lt;Double&gt;&gt; sensorReadings = new HashMap&lt;&gt;();\n    private final Duration windowSize = Duration.ofMinutes(5);\n\n    @Override\n    public Receive&lt;Command&gt; createReceive() {\n        return newReceiveBuilder()\n            .onMessage(SensorReading.class, this::processSensorReading)\n            .build();\n    }\n\n    private Behavior&lt;Command&gt; processSensorReading(SensorReading reading) {\n        \/\/ \u79fb\u52d5\u5e73\u5747\u306e\u8a08\u7b97\u3068\u30a2\u30e9\u30fc\u30c8\u691c\u77e5\n        sensorReadings.computeIfAbsent(reading.sensorId, \n            k -&gt; new ArrayList&lt;&gt;()).add(reading.value);\n\n        if (isAnomaly(reading.sensorId, reading.value)) {\n            getContext().getLog().warn(\n                \"Anomaly detected for sensor: {}\", reading.sensorId);\n        }\n\n        return this;\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306e\u7d71\u5408\u30d1\u30bf\u30fc\u30f3<\/h3>\n\n\n\n<p>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u9593\u306e\u901a\u4fe1\u3092\u5b9f\u73fe\u3059\u308bAkka\u306e\u5b9f\u88c5\u4f8b\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=\"\">public class ServiceGateway extends AbstractBehavior&lt;ServiceGateway.Command&gt; {\n    public interface Command {}\n\n    public static class ForwardRequest implements Command {\n        public final String serviceId;\n        public final Object request;\n        public final ActorRef&lt;Object&gt; replyTo;\n\n        public ForwardRequest(String serviceId, Object request, \n                            ActorRef&lt;Object&gt; replyTo) {\n            this.serviceId = serviceId;\n            this.request = request;\n            this.replyTo = replyTo;\n        }\n    }\n\n    private final Map&lt;String, ServiceInfo&gt; services = new HashMap&lt;&gt;();\n\n    @Override\n    public Receive&lt;Command&gt; createReceive() {\n        return newReceiveBuilder()\n            .onMessage(ForwardRequest.class, this::onForwardRequest)\n            .build();\n    }\n\n    private Behavior&lt;Command&gt; onForwardRequest(ForwardRequest msg) {\n        ServiceInfo service = services.get(msg.serviceId);\n        if (service != null &amp;&amp; service.isAvailable()) {\n            service.actorRef.tell(new ServiceRequest(\n                msg.request, msg.replyTo));\n        } else {\n            \/\/ \u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u51e6\u7406\n            msg.replyTo.tell(\n                new ServiceUnavailable(msg.serviceId));\n        }\n        return this;\n    }\n}<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u306e\u6bd4\u8f03\uff1a<\/p>\n\n\n<div id=\"id-57849bf1-0da9-4a7b-82f2-c025b826d69e\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30d1\u30bf\u30fc\u30f3<\/th><th>\u7528\u9014<\/th><th>\u7279\u5fb4<\/th><th>\u6ce8\u610f\u70b9<\/th><\/tr><\/thead><tbody><tr><td>\u30d0\u30c3\u30c1\u51e6\u7406<\/td><td>\u5927\u91cf\u30c7\u30fc\u30bf\u51e6\u7406<\/td><td>\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8<\/td><td>\u30e1\u30e2\u30ea\u7ba1\u7406<\/td><\/tr><tr><td>\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406<\/td><td>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u5206\u6790<\/td><td>\u4f4e\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/td><td>\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc<\/td><\/tr><tr><td>\u30b5\u30fc\u30d3\u30b9\u9023\u643a<\/td><td>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9<\/td><td>\u758e\u7d50\u5408\u5316<\/td><td>\u969c\u5bb3\u4f1d\u64ad<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u53c2\u8003\u306b\u3001\u81ea\u8eab\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6700\u9069\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">Akka\u306b\u3088\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u5b9f\u73fe\u65b9\u6cd5\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>Akka\u30b7\u30b9\u30c6\u30e0\u306e\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u6700\u5927\u9650\u306b\u5f15\u304d\u51fa\u3059\u305f\u3081\u306e\u5b9f\u88c5\u4f8b\u3068\u63a8\u5968\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u7d39\u4ecb\u3057\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=\"\">public class ScalableProcessor extends AbstractBehavior&lt;ScalableProcessor.Command&gt; {\n    public interface Command {}\n\n    private final int poolSize;\n    private final Router router;\n    private final Duration timeout;\n\n    public ScalableProcessor(ActorContext&lt;Command&gt; context) {\n        super(context);\n        \/\/ \u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u306b\u57fa\u3065\u3044\u3066\u30d7\u30fc\u30eb\u30b5\u30a4\u30ba\u3092\u6c7a\u5b9a\n        poolSize = Runtime.getRuntime().availableProcessors() * 2;\n        timeout = Duration.ofSeconds(5);\n\n        \/\/ \u30ef\u30fc\u30ab\u30fc\u30d7\u30fc\u30eb\u306e\u521d\u671f\u5316\n        List&lt;Routee&gt; routees = new ArrayList&lt;&gt;();\n        for (int i = 0; i &lt; poolSize; i++) {\n            ActorRef&lt;WorkerActor.Command&gt; worker = \n                context.spawn(WorkerActor.create(), \"worker-\" + i);\n            routees.add(new ActorRefRoutee(worker));\n        }\n\n        \/\/ \u30b9\u30de\u30fc\u30c8\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6226\u7565\u306e\u8a2d\u5b9a\n        router = new Router(new SmallestMailboxRoutingLogic(), routees);\n    }\n\n    \/\/ \u8ca0\u8377\u306b\u5fdc\u3058\u305f\u52d5\u7684\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\n    private void adjustPoolSize(int currentLoad) {\n        if (currentLoad &gt; poolSize * 0.8) {\n            \/\/ \u30d7\u30fc\u30eb\u30b5\u30a4\u30ba\u3092\u5897\u3084\u3059\n            int newWorkers = (int)(poolSize * 0.2);\n            for (int i = 0; i &lt; newWorkers; i++) {\n                ActorRef&lt;WorkerActor.Command&gt; worker = \n                    getContext().spawn(WorkerActor.create(), \n                        \"worker-\" + (poolSize + i));\n                router = router.withRoutee(new ActorRefRoutee(worker));\n            }\n        }\n    }\n}<\/pre>\n\n\n\n<p>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u6700\u9069\u5316\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff1a<\/p>\n\n\n<div id=\"id-62243e9e-b78a-43de-aa69-fb952c9df3a5\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6700\u9069\u5316\u9805\u76ee<\/th><th>\u5b9f\u88c5\u65b9\u6cd5<\/th><th>\u671f\u5f85\u52b9\u679c<\/th><\/tr><\/thead><tbody><tr><td>\u30d7\u30fc\u30eb\u30b5\u30a4\u30ba\u8abf\u6574<\/td><td>CPU cores \u00d7 2<\/td><td>\u30ea\u30bd\u30fc\u30b9\u52b9\u7387\u306e\u6700\u5927\u5316<\/td><\/tr><tr><td>\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba<\/td><td>\u30e1\u30e2\u30ea\u306b\u5fdc\u3058\u3066\u8abf\u6574<\/td><td>\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u5411\u4e0a<\/td><\/tr><tr><td>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6226\u7565<\/td><td>\u8ca0\u8377\u5206\u6563\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/td><td>\u51e6\u7406\u306e\u5e73\u6e96\u5316<\/td><\/tr><tr><td>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8a2d\u5b9a<\/td><td>SLA\u8981\u4ef6\u306b\u57fa\u3065\u304f<\/td><td>\u5fdc\u7b54\u6027\u306e\u4fdd\u8a3c<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u30e1\u30e2\u30ea\u7ba1\u7406\u3068\u30ea\u30bd\u30fc\u30b9\u6700\u9069\u5316\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6700\u9069\u5316\u3057\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u52b9\u7387\u7684\u306b\u5229\u7528\u3059\u308b\u305f\u3081\u306e\u5b9f\u88c5\u4f8b\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=\"\">public class ResourceOptimizedActor extends AbstractBehavior&lt;ResourceOptimizedActor.Command&gt; {\n    public interface Command {}\n\n    private final Queue&lt;Command&gt; messageBuffer;\n    private final int maxBufferSize;\n    private final MemoryManager memoryManager;\n\n    public ResourceOptimizedActor(ActorContext&lt;Command&gt; context) {\n        super(context);\n        this.maxBufferSize = 1000; \/\/ \u8a2d\u5b9a\u53ef\u80fd\u306a\u4e0a\u9650\n        this.messageBuffer = new LinkedList&lt;&gt;();\n        this.memoryManager = new MemoryManager(\n            Runtime.getRuntime().maxMemory() * 0.8); \/\/ 80%\u3092\u3057\u304d\u3044\u5024\u306b\n    }\n\n    private class MemoryManager {\n        private final long memoryThreshold;\n\n        public MemoryManager(long threshold) {\n            this.memoryThreshold = threshold;\n        }\n\n        public boolean isMemoryAvailable() {\n            return Runtime.getRuntime().totalMemory() - \n                   Runtime.getRuntime().freeMemory() &lt; memoryThreshold;\n        }\n\n        public void applyBackpressure() {\n            \/\/ \u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u306e\u5b9f\u88c5\n            while (!isMemoryAvailable() &amp;&amp; !messageBuffer.isEmpty()) {\n                messageBuffer.poll(); \/\/ \u53e4\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u7834\u68c4\n            }\n        }\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u8abf\u6574\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30b7\u30b9\u30c6\u30e0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u7d99\u7d9a\u7684\u306b\u76e3\u8996\u3057\u3001\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e\u5b9f\u88c5\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=\"\">public class PerformanceMonitor extends AbstractBehavior&lt;PerformanceMonitor.Command&gt; {\n    public interface Command {}\n\n    private final Map&lt;String, MetricsCollector&gt; actorMetrics;\n    private final Duration samplingInterval;\n\n    private static class MetricsCollector {\n        private long messageCount;\n        private long processingTime;\n        private long errorCount;\n\n        public void recordProcessing(long duration) {\n            messageCount++;\n            processingTime += duration;\n        }\n\n        public double getAverageProcessingTime() {\n            return messageCount &gt; 0 ? \n                (double) processingTime \/ messageCount : 0;\n        }\n    }\n\n    @Override\n    public Receive&lt;Command&gt; createReceive() {\n        return newReceiveBuilder()\n            .onMessage(MetricsUpdate.class, this::onMetricsUpdate)\n            .build();\n    }\n\n    private Behavior&lt;Command&gt; onMetricsUpdate(MetricsUpdate msg) {\n        MetricsCollector collector = actorMetrics.computeIfAbsent(\n            msg.actorId, k -&gt; new MetricsCollector());\n        collector.recordProcessing(msg.processingTime);\n\n        \/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u95be\u5024\u30c1\u30a7\u30c3\u30af\n        if (collector.getAverageProcessingTime() &gt; \n            TimeUnit.SECONDS.toMillis(1)) {\n            getContext().getLog().warn(\n                \"Performance degradation detected for actor: {}\", \n                msg.actorId);\n        }\n\n        return this;\n    }\n}<\/pre>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306eKPI\uff1a<\/p>\n\n\n<div id=\"id-b152fe25-dc74-42a1-94cc-0bdcf7538e26\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30e1\u30c8\u30ea\u30af\u30b9<\/th><th>\u76e3\u8996\u9805\u76ee<\/th><th>\u6700\u9069\u5316\u30a2\u30af\u30b7\u30e7\u30f3<\/th><\/tr><\/thead><tbody><tr><td>\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8<\/td><td>\u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\u7387<\/td><td>\u30d7\u30fc\u30eb\u62e1\u5927\/\u7e2e\u5c0f<\/td><\/tr><tr><td>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/td><td>\u51e6\u7406\u6642\u9593<\/td><td>\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u8abf\u6574<\/td><\/tr><tr><td>\u30a8\u30e9\u30fc\u7387<\/td><td>\u5931\u6557\u6570\/\u7dcf\u6570<\/td><td>\u30ea\u30c8\u30e9\u30a4\u6226\u7565\u5909\u66f4<\/td><\/tr><tr><td>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf<\/td><td>\u30d2\u30fc\u30d7\u4f7f\u7528\u7387<\/td><td>GC\u8a2d\u5b9a\u306e\u8abf\u6574<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u6280\u8853\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u9ad8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3067\u5b89\u5b9a\u3057\u305fAkka\u30b7\u30b9\u30c6\u30e0\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-20\">\u904b\u7528\u74b0\u5883\u3067\u306eAkka\u6d3b\u7528\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u672c\u756a\u74b0\u5883\u3067\u306e\u8a2d\u5b9a\u3068\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u6226\u7565<\/h3>\n\n\n\n<p>Akka\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u672c\u756a\u74b0\u5883\u3067\u904b\u7528\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u3068\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u6226\u7565\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8a2d\u5b9a\uff08application.conf\uff09\uff1a<\/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=\"\">akka {\n  actor {\n    provider = cluster\n\n    deployment {\n      \/workerRouter {\n        router = round-robin-pool\n        nr-of-instances = 5\n        cluster {\n          enabled = on\n          max-nr-of-instances-per-node = 2\n          allow-local = on\n        }\n      }\n    }\n  }\n\n  remote {\n    artery {\n      enabled = on\n      transport = tcp\n      canonical.hostname = \"127.0.0.1\"\n      canonical.port = 2551\n    }\n  }\n\n  cluster {\n    seed-nodes = [\n      \"akka:\/\/ClusterSystem@127.0.0.1:2551\",\n      \"akka:\/\/ClusterSystem@127.0.0.1:2552\"\n    ]\n    downing-provider-class = \"akka.cluster.sbr.SplitBrainResolverProvider\"\n  }\n}<\/pre>\n\n\n\n<p>\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u7528\u306eDockerfile\u4f8b\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=\"\">FROM openjdk:11-jre-slim\n\nWORKDIR \/app\nCOPY target\/akka-application.jar \/app\/\nCOPY application.conf \/app\/\n\nENV JAVA_OPTS=\"-Xmx2g -XX:+UseG1GC\"\nENV CONFIG_FILE=\/app\/application.conf\n\nEXPOSE 2551 2552\n\nCMD [\"java\", \"-jar\", \"akka-application.jar\"]<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-22\">\u969c\u5bb3\u691c\u77e5\u3068\u5fa9\u65e7\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>\u969c\u5bb3\u691c\u77e5\u3068\u81ea\u52d5\u5fa9\u65e7\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u5b9f\u88c5\u4f8b\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=\"\">public class SystemSupervisor extends AbstractBehavior&lt;SystemSupervisor.Command&gt; {\n    public interface Command {}\n\n    public static class SystemStatus {\n        private final Map&lt;String, HealthStatus&gt; serviceStatus = new HashMap&lt;&gt;();\n        private final AtomicInteger failureCount = new AtomicInteger(0);\n\n        public void recordFailure(String service) {\n            failureCount.incrementAndGet();\n            serviceStatus.put(service, HealthStatus.UNHEALTHY);\n        }\n\n        public void recordRecovery(String service) {\n            failureCount.decrementAndGet();\n            serviceStatus.put(service, HealthStatus.HEALTHY);\n        }\n    }\n\n    private final SystemStatus status = new SystemStatus();\n    private final Duration healthCheckInterval = Duration.ofSeconds(30);\n\n    @Override\n    public Receive&lt;Command&gt; createReceive() {\n        return newReceiveBuilder()\n            .onMessage(HealthCheck.class, this::onHealthCheck)\n            .onMessage(ServiceFailure.class, this::onServiceFailure)\n            .build();\n    }\n\n    private Behavior&lt;Command&gt; onServiceFailure(ServiceFailure msg) {\n        status.recordFailure(msg.serviceId);\n\n        \/\/ \u5fa9\u65e7\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\n        if (msg.severity == Severity.CRITICAL) {\n            \/\/ \u5373\u6642\u5fa9\u65e7\u51e6\u7406\n            triggerImmediateRecovery(msg.serviceId);\n        } else {\n            \/\/ \u6bb5\u968e\u7684\u306a\u5fa9\u65e7\u51e6\u7406\n            scheduleGradualRecovery(msg.serviceId);\n        }\n\n        return this;\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u30ed\u30b0\u7ba1\u7406\u306e\u5b9f\u8df5\u7684\u30a2\u30d7\u30ed\u30fc\u30c1<\/h3>\n\n\n\n<p>\u52b9\u679c\u7684\u306a\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u30ed\u30b0\u7ba1\u7406\u306e\u5b9f\u88c5\u4f8b\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=\"\">public class MonitoringSystem extends AbstractBehavior&lt;MonitoringSystem.Command&gt; {\n    public interface Command {}\n\n    private final MetricsRegistry metricsRegistry;\n    private final LogManager logManager;\n\n    public class MetricsRegistry {\n        private final Map&lt;String, Counter&gt; counters = new HashMap&lt;&gt;();\n        private final Map&lt;String, Gauge&gt; gauges = new HashMap&lt;&gt;();\n\n        public void recordMetric(String name, double value) {\n            gauges.computeIfAbsent(name, \n                k -&gt; new Gauge()).record(value);\n        }\n\n        public void incrementCounter(String name) {\n            counters.computeIfAbsent(name, \n                k -&gt; new Counter()).increment();\n        }\n    }\n\n    @Override\n    public Receive&lt;Command&gt; createReceive() {\n        return newReceiveBuilder()\n            .onMessage(MetricUpdate.class, this::onMetricUpdate)\n            .onMessage(LogEvent.class, this::onLogEvent)\n            .build();\n    }\n\n    private Behavior&lt;Command&gt; onLogEvent(LogEvent event) {\n        \/\/ \u30ed\u30b0\u30ec\u30d9\u30eb\u306b\u5fdc\u3058\u305f\u51e6\u7406\n        switch (event.level) {\n            case ERROR:\n                logManager.logError(event);\n                alertOperators(event);\n                break;\n            case WARN:\n                logManager.logWarning(event);\n                updateDashboard(event);\n                break;\n            default:\n                logManager.logInfo(event);\n        }\n        return this;\n    }\n}<\/pre>\n\n\n\n<p>\u904b\u7528\u7ba1\u7406\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n<div id=\"id-49f02592-8633-4bdd-9fab-7dec7120346f\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>\u5b9f\u88c5\u65b9\u6cd5<\/th><th>\u91cd\u8981\u5ea6<\/th><\/tr><\/thead><tbody><tr><td>\u8a2d\u5b9a\u7ba1\u7406<\/td><td>\u74b0\u5883\u5909\u6570\u3068config\u30d5\u30a1\u30a4\u30eb<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8<\/td><td>\u30b3\u30f3\u30c6\u30ca\u5316\u3068\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u76e3\u8996<\/td><td>\u30e1\u30c8\u30ea\u30af\u30b9\u53ce\u96c6\u3068\u53ef\u8996\u5316<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u30ed\u30b0\u7ba1\u7406<\/td><td>\u96c6\u4e2d\u30ed\u30b0\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<\/td><td>\u4e2d<\/td><\/tr><tr><td>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/td><td>\u72b6\u614b\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8<\/td><td>\u4e2d<\/td><\/tr><tr><td>\u5fa9\u65e7\u624b\u9806<\/td><td>\u81ea\u52d5\/\u624b\u52d5\u5fa9\u65e7\u30d7\u30ed\u30bb\u30b9<\/td><td>\u9ad8<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u904b\u7528\u6642\u306e\u91cd\u8981\u30e1\u30c8\u30ea\u30af\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b7\u30b9\u30c6\u30e0\u30e1\u30c8\u30ea\u30af\u30b9<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CPU\u4f7f\u7528\u7387<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf<\/li>\n\n\n\n<li>\u30c7\u30a3\u30b9\u30afI\/O<\/li>\n\n\n\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5e2f\u57df<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30e1\u30c8\u30ea\u30af\u30b9<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\u7387<\/li>\n\n\n\n<li>\u30ec\u30b9\u30dd\u30f3\u30b9\u6642\u9593<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u7387<\/li>\n\n\n\n<li>\u30a2\u30af\u30bf\u30fc\u6570<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d3\u30b8\u30cd\u30b9\u30e1\u30c8\u30ea\u30af\u30b9<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u6210\u529f\u7387<\/li>\n\n\n\n<li>\u30e6\u30fc\u30b6\u30fc\u30bb\u30c3\u30b7\u30e7\u30f3\u6570<\/li>\n\n\n\n<li>\u51e6\u7406\u5f85\u3061\u30ad\u30e5\u30fc\u9577<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-24\">Akka\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9\u3068\u89e3\u6c7a\u7b56<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-25\">\u3088\u304f\u3042\u308b\u5b9f\u88c5\u306e\u843d\u3068\u3057\u7a74\u3068\u5bfe\u51e6\u6cd5<\/h3>\n\n\n\n<p>Akka\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u3088\u304f\u906d\u9047\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56\u3092\u89e3\u8aac\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6c38\u7d9a\u5316\u554f\u984c\uff1a<\/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=\"\">public class PersistentActor extends AbstractBehavior&lt;PersistentActor.Command&gt; {\n    public interface Command {}\n\n    private final PersistenceId persistenceId;\n    private final List&lt;Event&gt; uncommittedEvents;\n\n    public PersistentActor(ActorContext&lt;Command&gt; context) {\n        super(context);\n        this.persistenceId = PersistenceId.of(\"entity\", context.getSelf().path().name());\n        this.uncommittedEvents = new ArrayList&lt;&gt;();\n    }\n\n    \/\/ \u30a4\u30d9\u30f3\u30c8\u306e\u6c38\u7d9a\u5316\u3092\u78ba\u5b9f\u306b\u884c\u3046\n    private void persistEvent(Event event) {\n        \/\/ \u30a4\u30d9\u30f3\u30c8\u3092\u4e00\u6642\u4fdd\u5b58\n        uncommittedEvents.add(event);\n\n        \/\/ \u6c38\u7d9a\u5316\u51e6\u7406\n        eventStore.persist(persistenceId, event)\n            .thenAccept(done -&gt; {\n                \/\/ \u6c38\u7d9a\u5316\u6210\u529f\u5f8c\u306b\u30b9\u30c6\u30fc\u30c8\u66f4\u65b0\n                updateState(event);\n                uncommittedEvents.remove(event);\n            })\n            .exceptionally(throwable -&gt; {\n                \/\/ \u6c38\u7d9a\u5316\u5931\u6557\u6642\u306e\u51e6\u7406\n                getContext().getLog().error(\n                    \"Failed to persist event: {}\", throwable.getMessage());\n                return null;\n            });\n    }\n}<\/pre>\n\n\n\n<p>\u3088\u304f\u3042\u308b\u554f\u984c\u3068\u89e3\u6c7a\u7b56\uff1a<\/p>\n\n\n<div id=\"id-bebaedd4-0034-4752-b923-5d6eb9a58815\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u554f\u984c<\/th><th>\u539f\u56e0<\/th><th>\u89e3\u6c7a\u7b56<\/th><\/tr><\/thead><tbody><tr><td>\u30e1\u30c3\u30bb\u30fc\u30b8\u640d\u5931<\/td><td>\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc<\/td><td>\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u306e\u5b9f\u88c5<\/td><\/tr><tr><td>\u30c7\u30c3\u30c9\u30ec\u30bf\u30fc<\/td><td>\u4e0d\u9069\u5207\u306a\u30a2\u30af\u30bf\u30fc\u53c2\u7167<\/td><td>\u30a2\u30af\u30bf\u30fc\u76e3\u8996\u306e\u5f37\u5316<\/td><\/tr><tr><td>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af<\/td><td>\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u6f0f\u308c<\/td><td>\u9069\u5207\u306a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u7ba1\u7406<\/td><\/tr><tr><td>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4f4e\u4e0b<\/td><td>\u4e0d\u9069\u5207\u306a\u30b9\u30ec\u30c3\u30c9\u7ba1\u7406<\/td><td>\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u6700\u9069\u5316<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-26\">\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30a2\u30af\u30bf\u30fc\u306e\u9069\u5207\u306a\u7ba1\u7406\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30a2\u30af\u30bf\u30fc\u3092\u5b89\u5168\u306b\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u5b9f\u88c5\u4f8b\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=\"\">public class StatefulActor extends AbstractBehavior&lt;StatefulActor.Command&gt; {\n    public interface Command {}\n\n    private final Map&lt;String, Object&gt; state;\n    private final Duration snapshotInterval;\n    private final int maxStateSize;\n\n    public StatefulActor(ActorContext&lt;Command&gt; context) {\n        super(context);\n        this.state = new ConcurrentHashMap&lt;&gt;();\n        this.snapshotInterval = Duration.ofMinutes(5);\n        this.maxStateSize = 1000;\n\n        \/\/ \u5b9a\u671f\u7684\u306a\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u53d6\u5f97\n        scheduleSnapshot();\n    }\n\n    private void scheduleSnapshot() {\n        getContext().getSystem().scheduler().scheduleAtFixedRate(\n            Duration.ZERO,\n            snapshotInterval,\n            () -&gt; takeSnapshot(),\n            getContext().getExecutionContext());\n    }\n\n    private void takeSnapshot() {\n        if (state.size() &gt; maxStateSize) {\n            \/\/ \u72b6\u614b\u306e\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\n            cleanupOldState();\n        }\n\n        \/\/ \u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u306e\u4fdd\u5b58\n        try {\n            snapshotStore.save(new StateSnapshot(state));\n        } catch (Exception e) {\n            getContext().getLog().error(\n                \"Failed to save snapshot: {}\", e.getMessage());\n        }\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-27\">\u30c6\u30b9\u30c8\u6226\u7565\u3068\u30c7\u30d0\u30c3\u30b0\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u52b9\u679c\u7684\u306a\u30c6\u30b9\u30c8\u3068\u30c7\u30d0\u30c3\u30b0\u306e\u5b9f\u88c5\u4f8b\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=\"\">public class ActorTest {\n    private static ActorTestKit testKit;\n\n    @BeforeClass\n    public static void setup() {\n        testKit = ActorTestKit.create();\n    }\n\n    @Test\n    public void testActorBehavior() {\n        \/\/ \u30c6\u30b9\u30c8\u30d7\u30ed\u30fc\u30d6\u306e\u4f5c\u6210\n        TestProbe&lt;Response&gt; probe = testKit.createTestProbe();\n\n        \/\/ \u30c6\u30b9\u30c8\u5bfe\u8c61\u30a2\u30af\u30bf\u30fc\u306e\u751f\u6210\n        ActorRef&lt;Command&gt; actor = testKit.spawn(\n            TestActor.create(), \"test-actor\");\n\n        \/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u4fe1\n        actor.tell(new Command(probe.getRef()));\n\n        \/\/ \u5fdc\u7b54\u306e\u691c\u8a3c\n        probe.expectMessage(Duration.ofSeconds(3), \n            new Response(\"expected result\"));\n    }\n\n    @Test\n    public void testErrorHandling() {\n        TestProbe&lt;Response&gt; probe = testKit.createTestProbe();\n        ActorRef&lt;Command&gt; actor = testKit.spawn(\n            TestActor.create(), \"error-test-actor\");\n\n        \/\/ \u30a8\u30e9\u30fc\u72b6\u6cc1\u306e\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\n        actor.tell(new ErrorCommand(probe.getRef()));\n\n        \/\/ \u30a8\u30e9\u30fc\u51e6\u7406\u306e\u691c\u8a3c\n        probe.expectMessage(Duration.ofSeconds(3), \n            new ErrorResponse(\"error handled\"));\n    }\n}<\/pre>\n\n\n\n<p>\u30c6\u30b9\u30c8\u6226\u7565\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u500b\u3005\u306e\u30a2\u30af\u30bf\u30fc\u306e\u632f\u308b\u821e\u3044\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u691c\u8a3c<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u78ba\u8a8d<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7d71\u5408\u30c6\u30b9\u30c8<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a2\u30af\u30bf\u30fc\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9\u30bf\u30fc\u52d5\u4f5c\u306e\u691c\u8a3c<\/li>\n\n\n\n<li>\u6c38\u7d9a\u5316\u306e\u30c6\u30b9\u30c8<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u6e2c\u5b9a<\/li>\n\n\n\n<li>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u306e\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u91cf\u306e\u76e3\u8996<\/li>\n<\/ul>\n\n\n\n<p>\u30c7\u30d0\u30c3\u30b0\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ed\u30b0\u51fa\u529b\u306e\u6d3b\u7528<\/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=\"\">getContext().getLog().debug(\n    \"Processing message: {} in state: {}\", \n    msg, state);<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30e1\u30c8\u30ea\u30af\u30b9\u306e\u53ce\u96c6<\/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=\"\">metrics.recordProcessingTime(\n    \"message.processing\", \n    System.nanoTime() - startTime);<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30c8\u30ec\u30fc\u30b9\u60c5\u5831\u306e\u8ffd\u52a0<\/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=\"\">MDC.put(\"traceId\", generateTraceId());\ntry {\n    \/\/ \u51e6\u7406\u306e\u5b9f\u884c\n} finally {\n    MDC.remove(\"traceId\");\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6ce8\u610f\u70b9\u3068\u89e3\u6c7a\u7b56\u3092\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5b89\u5b9a\u3057\u305fAkka\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; in \/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/ &#8230; 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