{"id":2244,"date":"2015-04-06T21:11:31","date_gmt":"2015-04-06T13:11:31","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=2244"},"modified":"2015-04-06T21:12:17","modified_gmt":"2015-04-06T13:12:17","slug":"qworker-%e6%9b%b4%e6%96%b0-tqjob-%e5%a2%9e%e5%8a%a0-handle-%e5%b1%9e%e6%80%a7","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=2244","title":{"rendered":"QWorker \u66f4\u65b0 &#8211; TQJob \u589e\u52a0 Handle \u5c5e\u6027"},"content":{"rendered":"<p>\u3010\u66f4\u65b0\u8bf4\u660e\u3011<\/p>\n<p>\u6839\u636e \u6062\u5b8f\u548c\u97f3\u513f\u5c0f\u767d\u7684\u5efa\u8bae\uff0c\u4e3a TQJob \u52a0\u5165\u4e86\u4e00\u4e2a Handle \u5c5e\u6027\uff0c\u5b83\u5bf9\u5e94\u7684\u662f\u4f60\u63d0\u4ea4\u4f5c\u4e1a\u65f6\u8fd4\u56de\u7684\u53e5\u67c4\u7684\u503c\u3002\u5982\u679c\u662f\u4e00\u4e2a\u7a7a\u7684\u672a\u63d0\u4f9b\u4f5c\u4e1a\u6216\u8005\u7b80\u5355\u4f5c\u4e1a\uff0c\u8fd4\u56de\u7684\u662f\u5b9e\u4f8b\u672c\u8eab\u7684\u5730\u5740\u3002<\/p>\n<p>\u8fd9\u4e2a\u53e5\u67c4\u53ef\u4ee5\u7528\u5728 ClearSingleJob \u7b49\u9700\u8981\u53d6\u6d88\u4f5c\u4e1a\u7684\u573a\u5408\uff0c\u4e3a\u4e86\u907f\u514d\u5728\u4f5c\u4e1a\u4e2d\u53d6\u6d88\u53e5\u67c4\u5bf9\u5e94\u7684\u4f5c\u4e1a\u65f6\uff0c\u7531\u4e8e\u9700\u8981\u7b49\u5f85\u81ea\u8eab\u9000\u51fa\u800c\u9020\u6210\u65e0\u6cd5\u5b8c\u6210 ClearSingleJob \u64cd\u4f5c\uff0c\u52a0\u5165\u4e86\u4e00\u4e2a AWaitForRunningDone \u53c2\u6570\uff0c\u4ee5\u51b3\u5b9a\u662f\u5426\u7b49\u5f85\u6240\u6709\u6b63\u5728\u8fd0\u884c\u5b50\u4f5c\u4e1a\u5b8c\u6210\uff0c\u4e0b\u9762\u662f\u4e00\u6bb5\u76f8\u5173\u529f\u80fd\u7684\u6d4b\u8bd5\u4ee3\u7801\u3002<\/p>\n<pre class=\"lang:delphi decode:true \">procedure TForm1.btnHandleTestClick(Sender: TObject);\r\nvar\r\n  AHandle: IntPtr;\r\n  T, APlanStart: Cardinal;\r\n  ADone: Boolean;\r\nbegin\r\nbtnHandleTest.Enabled := false;\r\nbtnHandleTest.Caption := '\u6d4b\u8bd5\u7b80\u5355\u4f5c\u4e1a';\r\nADone := false;\r\n\/\/ Simple Jobs\r\nAHandle := Workers.Post(\r\n  procedure(AJob: PQJob)\r\n  begin\r\n  if AHandle &lt;&gt; AJob.Handle then\r\n    ShowMessage('Error')\r\n  else\r\n    ShowMessage('Simple:' + IntToStr(AJob.Handle));\r\n  ADone := True;\r\n  end, nil, True);\r\nwhile not ADone do\r\n  Application.ProcessMessages;\r\nbtnHandleTest.Caption := '\u6d4b\u8bd5\u91cd\u590d\u4f5c\u4e1a';\r\n\/\/ Repeat Jobs\r\nADone := false;\r\nAHandle := Workers.Post(\r\n  procedure(AJob: PQJob)\r\n  begin\r\n  Workers.ClearSingleJob(AJob.Handle, false);\r\n  if AJob.Handle &lt;&gt; AHandle then\r\n    ShowMessage('Error')\r\n  else\r\n    ShowMessage('Repeat:' + IntToStr(AJob.Handle));\r\n  ADone := True;\r\n  end, 100, nil, True);\r\nwhile not ADone do\r\n  Application.ProcessMessages;\r\nbtnHandleTest.Caption := '\u6d4b\u8bd5\u4fe1\u53f7\u4f5c\u4e1a';\r\n\/\/ Signal Job\r\nADone := false;\r\nAHandle := Workers.Wait(\r\n  procedure(AJob: PQJob)\r\n  begin\r\n  Workers.ClearSingleJob(AJob.Handle, false);\r\n  if AHandle &lt;&gt; AJob.Handle then\r\n    ShowMessage('Error')\r\n  else\r\n    ShowMessage('Signal:' + IntToStr(AJob.Handle));\r\n  ADone := True;\r\n  end, FSignalId, True);\r\nwhile not ADone do\r\n  Application.ProcessMessages;\r\n\/\/ Plan Job\r\nbtnHandleTest.Caption := '\u8ba1\u5212\u4f5c\u4e1a-60\u79d2';\r\nADone := false;\r\nAHandle := Workers.Plan(\r\n  procedure(AJob: PQJob)\r\n  begin\r\n  Workers.ClearSingleJob(AJob.Handle, false);\r\n  if AHandle &lt;&gt; AJob.Handle then\r\n    ShowMessage('Error')\r\n  else\r\n    ShowMessage('Plan:' + IntToStr(AJob.Handle));\r\n  ADone := True;\r\n  end, '*', nil, True);\r\nT := GetTickCount;\r\nAPlanStart:=T;\r\nwhile not(ADone or Application.Terminated) do\r\n  begin\r\n  if GetTickCount - T &gt; 1000 then\r\n    begin\r\n    if GetTickCount - APlanStart &lt; 60000 then\r\n      btnHandleTest.Caption := '\u8ba1\u5212\u4f5c\u4e1a-' +\r\n        IntToStr(60 - (GetTickCount - APlanStart) div 1000) + '\u79d2'\r\n    else\r\n      btnHandleTest.Caption := '\u6d4b\u8bd5\u8ba1\u5212\u4f5c\u4e1a';\r\n    T := GetTickCount;\r\n    end;\r\n  Application.ProcessMessages;\r\n  end;\r\nbtnHandleTest.Caption:='\u53e5\u67c4\u6d4b\u8bd5';\r\nbtnHandleTest.Enabled := True;\r\nend;<\/pre>\n<p>\u672c\u6b21\u66f4\u65b0\u8fd8\u66f4\u6539\u4e86EnumJobStates\u51fd\u6570\u6765\u52a0\u5165\u5bf9\u8ba1\u5212\u4efb\u52a1\u4f5c\u4e1a\u7684\u652f\u6301\u53ca\u5176\u5b83\u5c0f\u6539\u3002<\/p>\n<p>\u3010\u66f4\u65b0\u7ea7\u522b\u3011<\/p>\n<p>\u53ef\u9009<\/p>\n<p>\u3010\u7279\u522b\u611f\u8c22\u3011<\/p>\n<p>\u6062\u5f18\u3001\u97f3\u513f\u5c0f\u767d<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u66f4\u65b0\u8bf4\u660e\u3011 \u6839\u636e \u6062\u5b8f\u548c\u97f3\u513f\u5c0f\u767d\u7684\u5efa\u8bae [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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