Hi all,
I am always in trouble... sigh...
I have solved the previous stupid problem, but now I have another one.
This is the situation:
| -------------------------------------- PROCESS DEFINITION
--------------------------------------
|
| <?xml version="1.0" encoding="UTF-8"?>
| <process-definition xmlns="urn:jbpm.org:jpdl-3.1" name="Initiator">
| <swimlane name="initiator" />
| <start-state name="start new process">
| <task swimlane="process initiator" />
| <transition name="tr1" to="decision">
| <action name="action"
class="com.sample.action.SampleActionHandler">
| </action>
| </transition>
| </start-state>
| <decision name="decision">
| <handler class="com.sample.decision.SampleDecisionHandler"></handler>
| <transition name="tr2" to="action"></transition>
| <transition name="tr3" to="end1"></transition>
| </decision>
| <state name="action">
| <transition name="tr4" to="end1"></transition>
| </state>
| <end-state name="end1"></end-state>
| </process-definition>
| ---------------------------------------- MY ACTION HANDLER
--------------------------------------
|
|
| package com.sample.action;
|
| import org.jbpm.graph.def.ActionHandler;
| import org.jbpm.graph.exe.ExecutionContext;
|
| public class SampleActionHandler implements ActionHandler
| {
| private static final long serialVersionUID = 1L;
| public void execute(ExecutionContext context) throws Exception
| {
| Runtime rt = null;
| Process process = null;
|
| context.getContextInstance().createVariable("greeting", "Greeting
from SampleActionHandler");
| try
| {
| rt = Runtime.getRuntime();
| process = rt.exec("C:\\Applications~1\\ECLIPSE~1\\Start.bat");
| context.getContextInstance().createVariable("status", new
Integer(process.waitFor()));
| }
| catch (Exception e)
| {
| System.out.println(e);
| context.getContextInstance().createVariable("budget", new
Integer(1));
| }
| }
| }
|
|
| ------------------------------------- MY DECISION HANDLER
--------------------------------------
|
|
| package com.sample.decision;
|
| import org.jbpm.graph.exe.ExecutionContext;
| import org.jbpm.graph.node.DecisionHandler;
|
| public class SampleDecisionHandler implements DecisionHandler
| {
| private static final long serialVersionUID = 1L;
| public String decide(ExecutionContext context) throws Exception
| {
| int budget =
((Number)context.getContextInstance().getVariable("status")).intValue();
| if (budget == 0) return "tr2";
| else if (budget == 1) return "tr3";
| else return "tr3";
| }
| }
|
|
| ---------------------------------------- MY NEW CLASS
----------------------------------------
|
|
| package com.sample.util;
|
| import org.jbpm.graph.def.ProcessDefinition;
| import org.jbpm.graph.exe.ProcessInstance;
|
| public class StartProcess
| {
| private String path = "";
|
| /** Creates a new instance of StartProcess */
| private StartProcess()
| {
| path = "C:\\Applications and Projects\\ECLIPSE Workspace\\Process
Initiator\\src\\" +
| "process\\Initiator.par\\processdefinition.xml";
| }
|
|
| /** */
| public void init()
| {
| try
| {
| ProcessDefinition def =
ProcessDefinition.parseXmlResource(path);
| System.out.println("STEP 1 - Istanziata la classe
ProcessDefinition");
|
| ProcessInstance instance = new ProcessInstance(def);
| System.out.println("STEP 2 - Istanziata la classe
ProcessInstance");
|
| instance.signal();
| System.out.println("STEP 3 - Effettuato il primo signal");
| }
| catch(Exception e)
| {
| System.err.println(e.getMessage());
| //e.printStackTrace();
| }
| }
|
|
| /** */
| public static void main(String[] args)
| {
| try
| {
| StartProcess sp = new StartProcess();
| System.out.println("STEP 0 - Istanziata la classe
StartProcess");
| System.out.println(sp.path);
| sp.init();
| }
| catch(Exception exc)
| {
| System.err.println(exc.getMessage());
| exc.printStackTrace();
| }
| }
| }
|
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