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Manual reroute in Jbpm 4.3
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reply from <a href="http://community.jboss.org/people/mpradny">Martin Pradny</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/547600#547600">View the full discussion</a>
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<div class="jive-rendered-content"><p>THANK YOU <span> :) </span> This works.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>In case anyone is looking for something similar, here si the code.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>import org.jbpm.api.ProcessDefinitionQuery;<br/>import org.jbpm.api.ProcessEngine;<br/>import org.jbpm.api.ProcessInstance;<br/>import org.jbpm.api.cmd.Environment;<br/>import org.jbpm.api.model.Event;<br/>import org.jbpm.pvm.internal.client.ClientExecution;<br/>import org.jbpm.pvm.internal.cmd.AbstractCommand;<br/>import org.jbpm.pvm.internal.model.ActivityImpl;<br/>import org.jbpm.pvm.internal.model.ExecutionImpl;<br/>import org.jbpm.pvm.internal.model.ProcessDefinitionImpl;<br/>import org.jbpm.pvm.internal.model.TransitionImpl;<br/>import org.jbpm.pvm.internal.model.op.AtomicOperation;<br/>import org.jbpm.pvm.internal.processengine.ProcessEngineImpl;<br/>import org.jbpm.pvm.internal.session.DbSession;<br/>import org.jbpm.pvm.internal.task.TaskImpl;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public class RerouteCmd extends AbstractCommand<ProcessInstance> {<br/>    /**<br/>     * <br/>     */<br/>    private static final long serialVersionUID = 1L;<br/>    private static final String REROUTE = "#reroute#";<br/>    private String executionId;<br/>    private String newActivityName;<br/>    private String taskId;<br/>    <br/>    public RerouteCmd(String executionId, String newActivityName, String taskId){<br/>         this.executionId=executionId;<br/>         this.newActivityName=newActivityName;<br/>         this.taskId=taskId;<br/>    }<br/>    <br/>    @Override<br/>    public ProcessInstance execute(Environment environment) throws Exception {<br/>        ExecutionImpl execution = null;<br/>        <br/>        DbSession dbSession = environment.get(DbSession.class);<br/>        execution = (ExecutionImpl) dbSession.findExecutionById(executionId);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>           ProcessDefinitionImpl pd=execution.getProcessDefinition();<br/>           <br/>        ActivityImpl endActivity=pd.getActivity(newActivityName);<br/>        ActivityImpl startActivity=execution.getActivity();<br/>        TransitionImpl trans=startActivity.createOutgoingTransition();<br/>        trans.setDestination(endActivity);<br/>        trans.setName(REROUTE);<br/>        <br/>        if (taskId==null){<br/>            execution.signal(REROUTE);<br/>        }else{<br/>            TaskImpl task=dbSession.get(TaskImpl.class, Long.parseLong(taskId));<br/>            if (task!=null){<br/>                task.complete(REROUTE);<br/>                dbSession.delete(task);<br/>            }<br/>        }<br/>        startActivity.removeOutgoingTransition(trans);<br/>        <br/>        return null;<br/>    }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have tried to casue minimal damage to existing logic. May be the signal and complete operations could be done again using commands, but I wasn't able to get processEngine (and didn't bother too much, since this works).</p></div>
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