10:19 a.m.
Hallo,
I am using jBPM in a database environment. I have the following process definition
| <?xml version="1.0" encoding="UTF-8"?>
| <process-definition xmlns="" name="TestFork">
| <start-state name="StartState1219404587924">
| <transition
to="StartDecision1219404587924/StartDecision1219404587924"></transition>
| </start-state>
| <super-state name="StartDecision1219404587924">
| <decision name="StartDecision1219404587924">
| <transition name="To_R9v0MGIXEd2c76EEAkhdWA"
to="../Fork1/Fork1">
| </transition>
| </decision>
| </super-state>
| <super-state name="Fork1">
| <fork name="Fork1">
| <transition name="To_1k7IQHAeEd2zyONQHdQlYg"
to="../State1/State1">
| </transition>
| <transition name="To_atT-cGReEd2afZhBo4aBRw"
to="../State2/State2">
| </transition>
| </fork>
| <join name="Join1">
| <event type="node-enter">
| <script><expression>
| executionContext.setDiscriminator(true);
| </expression></script></event>
| <transition name="End" to="../End/End"></transition>
| </join>
| </super-state>
| <super-state name="State1">
| <state name="State1">
| <transition name="To_QPWKwGReEd2afZhBo4aBRwJoin"
to="../Fork1/Join1">
| </transition>
| </state>
| </super-state>
| <super-state name="State2">
| <state name="State2">
| <transition name="To_QPWKwGReEd2afZhBo4aBRwJoin"
to="../Fork1/Join1">
| </transition>
| </state>
| </super-state>
| <super-state name="End">
| <end-state name="End">
| </end-state>
| </super-state>
| </process-definition>
|
When I run this process past the fork, I correctly have two child tokens, one for State1
and one for State2.
Now I add a node in front of the fork. My process definition now looks as follows.
| <?xml version="1.0" encoding="UTF-8"?>
| <process-definition xmlns="" name="TestFork">
| <start-state name="StartState1219404587924">
| <transition
to="StartDecision1219404587924/StartDecision1219404587924"></transition>
| </start-state>
| <super-state name="StartDecision1219404587924">
| <decision name="StartDecision1219404587924">
| <transition name="To_R9v0MGIXEd2c76EEAkhdWA"
to="../Node1/Node1">
| </transition>
| </decision>
| </super-state>
| <super-state name="Node1">
| <node name="Node1">
| <event type="node-enter">
| <script><expression>
| System.out.println("Node1 entered");
| executionContext.leaveNode();
| </expression></script></event>
| <transition name="To_QPWKwGReEd2afZhBo4aBRw"
to="../Fork1/Fork1">
| </transition>
| </node>
| </super-state>
| <super-state name="Fork1">
| <fork name="Fork1">
| <transition name="To_1k7IQHAeEd2zyONQHdQlYg"
to="../State1/State1">
| </transition>
| <transition name="To_atT-cGReEd2afZhBo4aBRw"
to="../State2/State2">
| </transition>
| </fork>
| <join name="Join1">
| <event type="node-enter">
| <script><expression>
| executionContext.setDiscriminator(true);
| </expression></script></event>
| <transition name="End" to="../End/End"></transition>
| </join>
| </super-state>
| <super-state name="State1">
| <state name="State1">
| <transition name="To_QPWKwGReEd2afZhBo4aBRwJoin"
to="../Fork1/Join1">
| </transition>
| </state>
| </super-state>
| <super-state name="State2">
| <state name="State2">
| <transition name="To_QPWKwGReEd2afZhBo4aBRwJoin"
to="../Fork1/Join1">
| </transition>
| </state>
| </super-state>
| <super-state name="End">
| <end-state name="End">
| </end-state>
| </super-state>
| </process-definition>
|
When I now run this process past the fork, I have four child tokens in JBPM_TOKEN table,
two for State1 and two for State2.
Can somebody explain why this happens and how to avoid this behaviour.
Thanks in advance
Walter
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