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start a process within another process in jbpm 4.3
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reply from <a href="http://community.jboss.org/people/matrixpooh">Al Nadein</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/543442#543442">View the full discussion</a>
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<div class="jive-rendered-content"><p>In short, I start a process that happily follows a few steps before it hits a 'wait' state where it's persisted to db. At some point, i have to derive by the rules if any other sub-processes have to be created. Since jbpm provides an option to create only 1 subprocess at a given step, I'm openning subprocesses programmatically, i.e. in <strong>CreateSubprocesses</strong> activity handler:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        {code}</p><p>       //calculate groups to assign to a swimlane</p><p>         taskAssignees = ...;<br/>            <br/>          assigneeGroups.put(SharedConstants.KEY_SWIMLANE_CANDIDATE_GROUPS, taskAssignees);<br/>            <br/>           ProcessInstance processInstance = executionService.startProcessInstanceByKey("subprocess_1", assigneeGroups);    </p><p>{/code}</p><p>Again, all of the above is done in an activity handler of the process that has just been instantiated and hasn't been saved to db yet.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Here's a shortened version of my jpdl:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>{code:xml}</p><p><span><process key="main" name="main" xmlns="</span><a class="jive-link-external-small" href="http://jbpm.org/4.3/jpdl" target="_blank">http://jbpm.org/4.3/jpdl</a><span>"></span><br/>   <br/>   <start g="5,23,48,48" name="start"><br/>      <transition g="141,46:-88,-15" name="open.case" to="Create sub-process"/><br/>   </start></p><p><br/>   <state g="306,193,148,52" name="Wait For Update"><br/>      <transition g="-23,-24" name="end" to="end1"/><br/>   </state><br/>   <br/>   <custom g="239,26,138,52" name="Create sub-process" class="<strong>CreateSubprocesses</strong>"><br/>      <transition g="484,52:-108,-17" name="to-split-paths" to="Wait For Update"/><br/>   </custom><br/>  <end g="566,493,48,48" name="end1"/></p><p><br/></process></p><p>{/code:xml} </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>and one of possible sub-processes (simplified):</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>{code:xml}</p><p><?xml version="1.0" encoding="UTF-8"?></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span><process name="test" key="test" xmlns="</span><a class="jive-link-external-small" href="http://jbpm.org/4.3/jpdl" target="_blank">http://jbpm.org/4.3/jpdl</a><span>"></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>   <swimlane candidate-groups="#{assigned.responsibilities}" name="assigned-group"/><br/> <br/>   <start name="start1" g="16,21,48,48"><br/>      <transition name="to task1" to="task1" g="-17,-20"/><br/>   </start><br/>   <br/>   <end name="end1" g="219,17,48,48"/><br/>   <br/>   <task name="task1" g="96,16,92,52" swimlane="assigned-group"><br/>      <transition name="to end1" to="end1" g="-20,-19"/><br/>   </task><br/>   <br/></process></p><p>{/code:xml}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></div>
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<p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/543442#543442">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in jBPM at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034">Community</a></p>
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