[jboss-user] [JBoss jBPM] - How to start this process instance?
Dear JBPM people,
I am wondering what it would be the best way to start process instance of process
definition, which have in start-state some system action (it is not executed by human). On
node-enter event some action should be triggered.
Please look at the example below:
<?xml version="1.0" encoding="UTF-8"?>
|
| <process-definition xmlns="urn:jbpm.org:jpdl-3.1"
name="simple">
| <swimlane name="admin" />
| <action name="messageActionHandler"
| class="org.springmodules.workflow.jbpm31.JbpmHandlerProxy"
| config-type="bean">
| <targetBean>messageActionHandler</targetBean>
| </action>
|
| <start-state name="start">
| <event type="node-enter">
| <action ref-name="messageActionHandler" />
| </event>
| <transition name="to_first" to="first"/>
| </start-state>
| <task-node name="first">
| <task swimlane="admin">
| <controller>
| <variable name="font" />
| </controller>
| </task>
| <transition name="to_end" to="end"/>
|
| </task-node>
| <end-state name="end"></end-state>
| </process-definition>
As you can see, here the "start-state" does not contain task and after process
instance is created, it cannot be started with:
taskInstance = processInstance.getTaskMgmtInstance().createStartTaskInstance();
like in JBPM example webapp, because exception in createStartTaskInstance() occurs, since
startTask is NULL.
If I fetch the rootToken and call signall() on it, my Action on node-enter event is not
invoked.
Token rootToken = processInstance.getRootToken();
| rootToken.signal();
Just to mention, everything works fine when the start-state is executed by human, and
node-enter event with my action is defined in the next state.
Any hint?
Thank you and regards
Milan
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