定時啟動執行在 WPS 上的業務流程的兩種方式

				 
 System.out.println("----Auto process invoked----"); 
 System.out.println("----Input field1 is: " + input1.getString("field1") + "----"); 
 System.out.println("----Input field2 is: " + input1.getInt("field2") + "----"); 
          

				 
 input1.setString("field1", "return: " + input1.getString("field1")); 
 input1.setInt("field2", input1.getInt("field2")); 
          

				 
 System.out.println("----Output field1 is: " + input1.getString("field1") + "----"); 
 System.out.println("----Output field2 is: " + input1.getInt("field2") + "----"); 
           

				 
 com.ibm.websphere.scheduler.TaskHandlerHome 
 com.ibm.websphere.scheduler.TaskHandler 
           

				 
 public void process(TaskStatus status) { 
 String sourceMethod = "process"; 
 System.out.println("----AutoprocessInvoker called by Scheduler----"); 
 // 查詢 Business Flow Managerd 的引用，以啟動流程
 LocalBusinessFlowManager bfm = null; 
 try { 
 Context context = new InitialContext(); 
 Object result = context 
 .lookup("java:comp/env/ejb/LocalBusinessFlowManagerHome"); 
 LocalBusinessFlowManagerHome home = 
  (LocalBusinessFlowManagerHome) javax.rmi.PortableRemoteObject 
 .narrow(result, LocalBusinessFlowManagerHome.class); 
 bfm = home.create(); 
 } catch (Exception e) { 
 System.out.println("----ERROR getting Business Flow Manager reference----"); 
 e.printStackTrace(); 
 return; 
 } 
 // 如果沒有找到引用，則返回
 if (null == bfm) { 
 System.out.println("----ERROR getting Business Flow Manager reference----"); 
 return; 
 } 
 // 查詢名稱為 AutoProc 的業務流程模版
 String whereClause = "PROCESS_TEMPLATE.NAME = 'AutoProc'"; 
 String rderByClause = "PROCESS_TEMPLATE.VALID_FROM DESC"; 
 try { 
 ProcessTemplateData[] templates = bfm.queryProcessTemplates( 
 whereClause, orderByClause, null, null); 
 if (templates != null && templates.length > 0) { 
 ProcessTemplateData template = templates[0]; 
 // 生成流程的輸入訊息
 ClientObjectWrapper cow = 
  bfm.createMessage(template.getID(), template.getInputMessageTypeName()); 
 DataObject input = (DataObject) cow.getObject(); 
 DataObject processRequest = input.createDataObject("input1"); 
 processRequest.setString("field1", "called at " + System.currentTimeMillis()); 
 processRequest.setInt("field2", 10); 
 // 將流程的輸入訊息列印到控制檯上
 BOXMLSerializer serializer = null; //!!! reference used in multiple scopes 
 serializer = (BOXMLSerializer) ServiceManager. 
 INSTANCE.locateService("com/ibm/websphere/bo/BOXMLSerializer"); 
 serializer. 
 writeDataObject(processRequest, processRequest.getType().getURI(), "", System.out); 
 // 啟動流程並獲取流程的返回訊息
 ClientObjectWrapper cowOut = bfm.call("AutoProc", cow); 
 DataObject response = (DataObject) cowOut.getObject(); 
 DataObject responseData = response.getDataObject("output1"); 
 serializer
 .writeDataObject(responseData, responseData.getType().getURI(), "", System.out); 
 } 
 } catch (Exception e) { 
 System.out.println("----error getting Scheduler!----"); 
 e.printStackTrace(); 
 } 
 } 
			

				 
 
 public boolean start() { 
 String sourceMethod = "start"; 
 System.out.println("----starting my StartupBean----"); 
 // initialize 
 InitialContext initialContext = null; 
 Scheduler scheduler = null; 
 // get Scheduler 
 try { 
 initialContext = new InitialContext(); 
 scheduler = (Scheduler) initialContext.lookup("test/scheduler"); 
 } catch (NamingException e) { 
 System.out.println("----error getting Scheduler!----"); 
 e.printStackTrace(); 
 } 
 if (scheduler == null) 
 return false; 
 try { 
 // create class BeanTaskInfo 
 BeanTaskInfo taskInfo = (BeanTaskInfo) scheduler 
 .createTaskInfo(BeanTaskInfo.class); 
 // lookup sessoin bean using its jndi name 
 Object bj = initialContext 
 .lookup("ejb/com/ibm/websphere/scheduler/AutoProcessInvoker"); 
 // Narrow session bean 
 TaskHandlerHome home = (TaskHandlerHome) PortableRemoteObject 
 .narrow(obj, TaskHandlerHome.class); 
 // add the schedule implementation into taskinfo class 
 taskInfo.setTaskHandler(home); 
 // set UserCalendar for task 
 Calendar now = Calendar.getInstance(); 
 taskInfo.setStartTime(new Date()); 
 taskInfo.setRepeatInterval("0 * * * * ?"); 
 taskInfo.setNumberOfRepeats(3); 
 taskInfo 
 .setUserCalendar( 
"com/ibm/websphere/scheduler/calendar/DefaultUserCalendarHome", 
"CRON"); 
 // submit the task to scheduler 
 TaskStatus ts = scheduler.create(taskInfo); 
 System.out.println("----Task created----"); 
 } catch (Exception e) { 
 e.printStackTrace(); 
 } 
 return true; 
 } 

				 
 public void stop() {\ 
 String sourceMethod = "stop"; 
 System.out.println("----stopping ProcessScheudler----"); 
 InitialContext context; 
 try{> 
 context=new InitialContext(); 
 //lookup schedule using its jndi name 
 Scheduler scheduler=(Scheduler)context.lookup("test/scheduler"); 
 Iterator taskit = scheduler.findTasksByName("%"); 
 while (taskit.hasNext()){ 
 BeanTaskInfo taskinfo = (BeanTaskInfo)taskit.next(); 
 String taskid = taskinfo.getTaskId(); 
 System.out.println("----task id is: " + taskid); 
 System.out 
 .println("----task start time is: " + taskinfo.getStartTime().toString() + "----"); 
 System.out.println("----task interval is: " + taskinfo.getRepeatInterval() + "----"); 
 scheduler.cancel(taskid, true); 
 } 
 } 
 catch(Exception e){ 
 e.printStackTrace(); 
 } 
 } 
       

				 
 [10-2-24 14:06:37:937 CST] 00000ab3 SystemOut     O ----starting my StartupBean---- 
 [10-2-24 14:06:38:515 CST] 00000ab3 SystemOut     O ----Task created---- 
 [10-2-24 14:06:38:546 CST] 00000ab3 ApplicationMg A   
 WSVR0221I: 應用程式已啟動：AutoProcessInvoker 
 [10-2-24 14:06:41:031 CST] 0000006c SystemOut     O 
 ----AutoprocessInvoker called by Scheduler---- 
 [10-2-24 14:06:41:562 CST] 0000006c SystemOut     O 
  
  
 called at 1266991601484 
 10 
  
 [10-2-24 14:06:42:500 CST] 0000006c SystemOut     O ----Auto process invoked---- 
 [10-2-24 14:06:42:500 CST] 0000006c SystemOut     O 
 ----Input field1 is: called at 1266991601484---- 
 [10-2-24 14:06:42:500 CST] 0000006c SystemOut     O ----Input field2 is: 10---- 
 [10-2-24 14:06:42:515 CST] 0000006c SystemOut     O 
 ----Output field1 is: return: called at 1266991601484---- 
 [10-2-24 14:06:42:515 CST] 0000006c SystemOut     O ----Output field2 is: 10---- 
 [10-2-24 14:06:42:593 CST] 0000006c SystemOut     O 
  
  
 return: called at 1266991601484 
 10 
  

				 
 public void ejbTimeout(Timer arg0) { 
 // TODO Auto-generated method stub 
 System.out.println("----EJB timer invoked----"); 
 // looking up reference to Business Flow Manager 
 LocalBusinessFlowManager bfm = null; 
 try { 
 Context context = new InitialContext(); 
 Object result = context 
 .lookup("java:comp/env/ejb/LocalBusinessFlowManagerHome"); 
 LocalBusinessFlowManagerHome home = 
 (LocalBusinessFlowManagerHome) javax.rmi.PortableRemoteObject 
 .narrow(result, LocalBusinessFlowManagerHome.class); 
 bfm = home.create(); 
 } catch (Exception e) { 
 System.out.println("----ERROR getting Business Flow Manager reference----"); 
 e.printStackTrace(); 
 return; 
 } 
 if (null == bfm) { 
 System.out.println("----ERROR getting Business Flow Manager reference----"); 
 return; 
 } 
 String whereClause = "PROCESS_TEMPLATE.NAME = 'AutoProc'"; 
 String rderByClause = "PROCESS_TEMPLATE.VALID_FROM DESC"; 
 try { 
 ProcessTemplateData[] templates = bfm.queryProcessTemplates( 
 whereClause, orderByClause, null, null); 
 if (templates != null && templates.length > 0) { 
 ProcessTemplateData template = templates[0]; 
 ClientObjectWrapper cow = 
 bfm.createMessage(template.getID(), template.getInputMessageTypeName()); 
 DataObject input = (DataObject) cow.getObject(); 
 DataObject processRequest = input.createDataObject("input1"); 
 processRequest.setString("field1", "called at " + System.currentTimeMillis()); 
 processRequest.setInt("field2", 10); 
 BOXMLSerializer serializer = null; //!!! reference used in multiple scopes 
 serializer = (BOXMLSerializer) ServiceManager. 
  INSTANCE.locateService("com/ibm/websphere/bo/BOXMLSerializer"); 
 serializer. 
 writeDataObject(processRequest, processRequest.getType().getURI(), "", System.out); 
 ClientObjectWrapper cowOut = bfm.call("AutoProc", cow); 
 DataObject response = (DataObject) cowOut.getObject(); 
 DataObject responseData = response.getDataObject("output1"); 
 serializer
 .writeDataObject(responseData, responseData.getType().getURI(), "", System.out); 
 } 
 } catch (Exception e) { 
 System.out.println("----error getting Scheduler!----"); 
 e.printStackTrace(); 
 } 
 } 

				 
 public boolean start() { 
 System.out.println("----Startup method called----"); 
 TimerService ts = mySessionCtx.getTimerService(); 
 long interval = 60000; 
 String timerName = "EJBTimer"; 
 ts.createTimer(new Date(), interval, timerName); 
 return true; 
 } 

				 
 public void stop() { 
 System.out.println("----Stop method called----"); 
 try { 
 TimerService ts = mySessionCtx.getTimerService(); 
 Collection timers = ts.getTimers(); 
 Iterator it = timers.iterator(); 
 while (it.hasNext()) { 
 Timer myTimer = (Timer) it.next(); 
 System.out.println("----Timer info: " + myTimer.getInfo() 
 + "----"); 
 myTimer.cancel(); 
 } 
 } catch (Exception e) { 
 System.out.println("Exception after cancelling timer : "
 + e.toString()); 
 } 
 } 

				 
 [10-2-24 14:50:26:000 CST] 000002af SystemOut     O ----EJB timer invoked---- 
 [10-2-24 14:50:26:859 CST] 000002af SystemOut     O 
  
  
 called at 1266994226828 
 10 
  
 [10-2-24 14:50:26:921 CST] 000002af SystemOut     O ----Auto process invoked---- 
 [10-2-24 14:50:26:921 CST] 000002af SystemOut    
 O ----Input field1 is: called at 1266994226828---- 
 [10-2-24 14:50:26:921 CST] 000002af SystemOut     O ----Input field2 is: 10---- 
 [10-2-24 14:50:26:921 CST] 000002af SystemOut     
 O ----Output field1 is: return: called at 1266994226828---- 
 [10-2-24 14:50:26:921 CST] 000002af SystemOut     O ----Output field2 is: 10---- 
 [10-2-24 14:50:26:937 CST] 000002af SystemOut     O
   
 p: xsi:type="p:AutoData" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> 
 return: called at 1266994226828 
 10