finally I will do that :
| <?xml version="1.0" encoding="UTF-8"?>
|
| <process-definition xmlns="urn:jbpm.org:jpdl-3.1"
| name="super-process">
|
| <swimlane name="tester">
| <assignment expression="user(ernie)" />
| </swimlane>
|
| <start-state name="start">
| <task name="start-task" swimlane="tester">
| <controller>
| <variable name="an-other-sub-process.counter" />
| </controller>
| </task>
| <transition name="" to="an-other-sub-process" />
| </start-state>
|
| <decision name="an-other-sub-process">
| <handler class="com.traceone.bpm.ext.decision.CounterDecision"
/>
| <transition name="no" to="join" />
| <transition name="yes" to="my-fork" />
| </decision>
|
| <fork name="my-fork">
| <transition to="sub-process-state" />
| <transition name="to-an-other" to="an-other-sub-process" />
| </fork>
|
| <process-state name="sub-process-state">
| <sub-process name="sub-process" />
| <transition to="join" />
| </process-state>
|
| <join name="join">
| <transition to="end" />
| </join>
|
| <end-state name="end" />
|
| </process-definition>
|
| public class CounterDecision implements DecisionHandler {
|
| public String decide(ExecutionContext executionContext) throws
Exception {
| Decision decision = (Decision) executionContext.getNode();
| String varName = new
StringBuffer(decision.getName()).append(".counter").toString();
| String tmp = (String) executionContext.getVariable(varName);
| int counter = Integer.parseInt(tmp);
| String transition = counter > 0 ? "yes" : "no";
| executionContext.setVariable(varName,
String.valueOf(--counter));
| return transition;
| }
|
| }
|
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