{"id":207431,"date":"2025-07-08T13:20:29","date_gmt":"2025-07-08T05:20:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207431\/"},"modified":"2025-07-08T13:20:29","modified_gmt":"2025-07-08T05:20:29","slug":"%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e8%87%aa%e5%ae%9a%e4%b9%89%e5%b7%a5%e4%bd%9c%e6%b5%81%e7%a8%8b%e5%ae%9a%e4%b9%89%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207431\/","title":{"rendered":"\u5982\u4f55\u521b\u5efa\u81ea\u5b9a\u4e49\u5de5\u4f5c\u6d41\u7a0b\u5b9a\u4e49\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u5982\u4f55\u521b\u5efa\u81ea\u5b9a\u4e49\u5de5\u4f5c\u6d41\u7a0b\u5b9a\u4e49\uff1f<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-22 15:54:34<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300a\u5982\u4f55\u521b\u5efa\u81ea\u5b9a\u4e49\u5de5\u4f5c\u6d41\u7a0b\u5b9a\u4e49\uff1f\u300b\uff0c\u8986\u76d6\u4e86Golang\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u4eec\u8981\u6c42\u8ba9\u7528\u6237\u521b\u5efa\u81ea\u5df1\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002\u8fd9\u4e9b\u5de5\u4f5c\u6d41\u7a0b\u53ef\u4ee5\u5177\u6709\u7b80\u5355\u7684\u662f\/\u5426\u5206\u652f\u4ee5\u53ca\u7b49\u5f85\u6765\u81ea\u5916\u90e8\u4e8b\u4ef6\u7684\u4fe1\u53f7\u3002\u5982\u679c\u6211\u4eec\u6709\u5b8c\u5584\u7684\u5de5\u4f5c\u6d41\u5b9a\u4e49\uff0c\u8fd9\u4e0d\u4f1a\u662f\u4e00\u4e2a\u95ee\u9898\uff0c\u4f46\u662f\u7531\u4e8e\u5de5\u4f5c\u6d41\u53ef\u4ee5\u662f\u52a8\u6001\u7684\uff0c\u8fd9\u4f1a\u5e26\u6765\u4e00\u4e2a\u66f4\u68d8\u624b\u7684\u95ee\u9898\u3002<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p> \u5de5\u4f5c\u6d41\u7a0b\u662f\u76f4\u63a5\u5b9e\u73b0\u4e1a\u52a1\u903b\u8f91\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u5bf9\u4e8e\u65e0\u6cd5\u5728\u4ee3\u7801\u4e2d\u786c\u7f16\u7801\u4e1a\u52a1\u903b\u8f91\u7684\u7528\u4f8b\uff0c\u5e94\u7f16\u5199\u5916\u90e8\u5de5\u4f5c\u6d41\u5b9a\u4e49\u8bed\u8a00\u7684\u89e3\u91ca\u5668\u3002\u8fd9\u79cd\u8bed\u8a00\u901a\u5e38\u79f0\u4e3a dsl\uff0c\u56e0\u4e3a\u5b83\u4eec\u5728\u9488\u5bf9\u7279\u5b9a\u9886\u57df\u5b9e\u73b0\u65f6\u975e\u5e38\u6709\u7528\u3002 dsl \u901a\u5e38\u57fa\u4e8e yaml\/json\/xml\u3002\u6709\u65f6\u5b83\u53ea\u662f\u6570\u636e\u5e93\u8868\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u6211\u5982\u4f55\u6784\u5efa\u5de5\u4f5c\u6d41\u7a0b\u4ee3\u7801\u4ee5\u652f\u6301\u81ea\u5b9a\u4e49 dsl\uff1a<\/p>\n<ol>\n<li>\u63a5\u6536\u5f53\u524d\u5de5\u4f5c\u6d41\u5b9a\u4e49 id \u548c\u72b6\u6001\u5e76\u8fd4\u56de\u8981\u6267\u884c\u7684\u64cd\u4f5c\u5217\u8868\u7684\u6d3b\u52a8\u3002\u6b64\u6d3b\u52a8\u5c06\u5f53\u524d\u72b6\u6001\uff08\u5305\u62ec\u6700\u8fd1\u6267\u884c\u7684\u64cd\u4f5c\u7684\u7ed3\u679c\uff09\u5e94\u7528\u4e8e\u9002\u5f53\u7684 dsl \u5b9e\u4f8b\u3002\u7ed3\u679c\u662f\u63a5\u4e0b\u6765\u8981\u6267\u884c\u7684\u64cd\u4f5c\u96c6\u3002\u64cd\u4f5c\u662f dsl \u7279\u5b9a\u7684\uff0c\u4f46\u6700\u5e38\u89c1\u7684\u64cd\u4f5c\u662f<em>\u6267\u884c\u6d3b\u52a8\u3001\u7b49\u5f85\u7279\u5b9a\u4fe1\u53f7\u3001\u4f11\u7720\u4e00\u6bb5\u65f6\u95f4\u3001\u5b8c\u6210\u6216\u5931\u8d25\u5de5\u4f5c\u6d41<\/em>\u3002<\/li>\n<li>\u5b9e\u73b0\u4e00\u4e2a\u5faa\u73af\u7684\u5de5\u4f5c\u6d41\uff0c\u8be5\u5faa\u73af\u8c03\u7528\u4e0a\u8ff0\u6d3b\u52a8\u5e76\u6267\u884c\u8bf7\u6c42\u7684\u64cd\u4f5c\uff0c\u76f4\u5230\u8bf7\u6c42\u5de5\u4f5c\u6d41\u5b8c\u6210\u64cd\u4f5c\u4e3a\u6b62\u3002<\/li>\n<\/ol>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355 dsl \u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u5b83\u6307\u5b9a\u4e86\u8981\u6267\u884c\u7684\u4e00\u7cfb\u5217\u6d3b\u52a8\uff1a<\/p>\n<pre>@ActivityInterface\npublic interface Interpreter {\n  String getNextStep(String workflowType, String lastActivity);\n}\n\npublic class SequenceInterpreter implements Interpreter {\n\n  \/\/ dslWorkflowType-&gt;(activityType-&gt;nextActivity)\n  private final Map&lt;String, Map&lt;String, String&gt;&gt; definitions;\n\n  public SequenceInterpreter(Map&lt;String, Map&lt;String, String&gt;&gt; definitions) {\n    this.definitions = definitions;\n  }\n\n  @Override\n  public String getNextStep(String workflowType, String lastActivity) {\n    Map&lt;String, String&gt; stateTransitions = definitions.get(workflowType);\n    return stateTransitions.get(lastActivity);\n  }\n}\n\n@WorkflowInterface    \npublic interface InterpreterWorkflow {\n  @WorkflowMethod\n  String execute(String type, String input);\n  @QueryMethod\n  String getCurrentActivity();\n}\n\npublic class InterpreterWorkflowImpl implements InterpreterWorkflow {\n\n  private final Interpreter interpreter = Workflow.newActivityStub(Interpreter.class);\n\n  private final ActivityStub activities =\n      Workflow.newUntypedActivityStub(\n          new ActivityOptions.Builder().setScheduleToCloseTimeout(Duration.ofMinutes(10)).build());\n\n  private String currentActivity = \"init\";\n  private String lastActivityResult;\n\n  @Override\n  public String execute(String workflowType, String input) {\n    do {\n      currentActivity = interpreter.getNextStep(workflowType, currentActivity);\n      lastActivityResult = activities.execute(currentActivity, String.class, lastActivityResult);\n    } while (currentActivity != null);\n    return lastActivityResult;\n  }\n\n  @Override\n  public String getCurrentActivity() {\n    return currentActivity;\n  }\n}<\/pre>\n<p>\u663e\u7136\uff0c\u73b0\u5b9e\u751f\u6d3b\u4e2d\u7684\u89e3\u91ca\u5668\u6d3b\u52a8\u5c06\u63a5\u6536\u4e00\u4e2a\u66f4\u590d\u6742\u7684\u72b6\u6001\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u53ef\u80fd\u5305\u542b\u591a\u4e2a\u547d\u4ee4\u7c7b\u578b\u5217\u8868\u7684\u7ed3\u6784\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5982\u4f55\u521b\u5efa\u81ea\u5b9a\u4e49\u5de5\u4f5c\u6d41\u7a0b\u5b9a\u4e49\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGolang\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207431","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207431","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207431"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207431\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}