"nageshreddy1981" wrote : Hi,
|
| I am new to JBPM.
| I am trying to implement decision node in process definiton.
| where can i find the examples for the decision node with the decision
handler implemetation.
| Can anybody provide me with examples or links on the same.
|
| Thanks in advance
I'm a newbie too but here's what I did:
Implement the interface DecisionHandler and implement the 'decide' method which
returns the appropriate transition.
public class MyDecisionHandler implements DecisionHandler {
|
| /**
| * Comment for <code>serialVersionUID</code>
| */
| private static final long serialVersionUID = 1L;
|
|
|
| public String decide(ExecutionContext executionContext) throws
Exception {
| String lower = (String)
executionContext.getContextInstance().getVariable("lower");
| String upper = (String)
executionContext.getContextInstance().getVariable("upper");
|
| if ((Integer.parseInt(upper) - Integer.parseInt(lower)) > 10) {
| return "yes";
| }
| else {
| return "no";
| }
|
| }
|
Currently you can't use the GPD to associate the handler to the decision node,
so you have to edit the process definition XML by hand like this:
<decision name="checkDiff">
| <transition name="yes" to="doSomething">
| </transition>
| <transition name="nao" to="doSomethingElse"></transition>
| <handler class="com.decisions.MyDecisionHandler"></handler>
| </decision>
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