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<a href="http://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">Community</a></h1>
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JBPM-2537
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reply from <a href="http://community.jboss.org/people/mwohlf">Michael Wohlfart</a> in <i>jBPM Development</i> - <a href="http://community.jboss.org/message/541258#541258">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi Guys,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I also stumbled across the<span style="font-family: courier new,courier;"> jbpm.task.lifecycle.xml</span> file and tried to find out what it was doing, this is what i managed to figure out so far:</p><p>The content of the file is read in <span style="font-family: courier new,courier;">org.jbpm.pvm.internal.task.LifeCycle.java</span>, it is parsed and seems to implement a kind of min-process / state machine for the task status. You can call <span style="font-family: courier new,courier;">LifeCycle.fireLifeCycleEvent(String eventName, TaskImpl task)</span>and it changes the state of the task according to the transitions defined in <span style="font-family: courier new,courier;">jbpm.task.lifecycle.xml</span>.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: courier new,courier;">protected static void fireLifeCycleEvent(String eventName, TaskImpl task) {</span></p><p><span style="font-family: courier new,courier;">    // reading the state machine<br/>    ExecutionImpl lifeCycleExecution = new ExecutionImpl();<br/>    ProcessDefinitionImpl lifeCycleProcess = getLifeCycle(task);<br/>    lifeCycleExecution.setProcessDefinition(lifeCycleProcess);</span></p><p><span style="font-family: courier new,courier;">    // setting up the current state:<br/>    String state = task.getState();<br/>    Activity activity = lifeCycleProcess.getActivity(state);<br/>    lifeCycleExecution.setActivity((ActivityImpl) activity);</span></p><p><span style="font-family: courier new,courier;">    // performing a transition<br/>    lifeCycleExecution.signal(eventName);</span></p><p><span style="font-family: courier new,courier;">    // transfering the new state to the task <br/>    task.setState(lifeCycleExecution.getActivity().getName());<br/>}</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I think this is great stuff, unfortunatly I couldn't find any place in the code where <span style="font-family: courier new,courier;">LifeCycle.fireLifeCycleEvent(String eventName,  TaskImpl task)</span>is called, but to me it seems a nice idea to have the task status and transitions configurable in a single file like this.</p></div>
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<p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/541258#541258">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in jBPM Development at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2035">Community</a></p>
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