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Execute a script on cancel

georgera

I have a workflow which makes some changes to permissions when it's started. It creates a new group adds the assignees to it and applies it to the attached document nodes. When the workflow finishes normally the end task runs a script that undoes all that. But if the workflow is canceled the cleanup script doesn't run. How can I run that clean up when the workflow is manually cancelled?

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Alfresco Process Services

Comments

paiyyavj13

Hi georgera,

Please check this, it might help:

Activiti User Guide: Event Types

Regards.

georgera

Hi. I can't seem figure out how to link that eventListener to the end task. I created an intermediateCatchEvent and a signal and pointed them all at each other but it's not triggering the endevent.

Here's my workflow definition:

<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlnsmgdc="http://www.omg.org/spec/DD/20100524/DC" xmlnsmgdi="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/test">
   <signal id="alertSignal" name="alert"></signal>
   <process id="GrantPermi" name="Grant Permissions" isExecutable="true">
       <extensionElements>
           <activiti:eventListener events="PROCESS_CANCELLED" signalName="alert" throwEvent="signal"></activiti:eventListener>
       </extensionElements>
       <startEvent id="alfrescoStartevent1" name="Alfresco start" activiti:formKey="wf:submitAdhocTask"></startEvent>
       <sequenceFlow id="flow1" sourceRef="alfrescoStartevent1" targetRef="alfrescoUsertask1"></sequenceFlow>
       <userTask id="alfrescoUsertask1" name="Alfresco User Task" activiti:assignee="${bpm_assignee.properties.userName}" activiti:formKey="DACGPWF:assigneeTask">
           <extensionElements>
               <activiti:taskListener event="create" class="org.alfresco.repo.workflow.activiti.tasklistener.ScriptTaskListener">
                   <activiti:field name="script">
                       <activiti:string><![CDATA[
                                var groupName = "GrantPermi" + new Date().getTime();
                               var group = people.createGroup(groupName);
                               var user = people.getPerson(bpm_assignee.properties.userName);
                               people.addAuthority(group, user);
                               for (var i in bpm_package.children)
                               {
                                   bpm_package.children[i].setPermission("Read", "GROUP_" + groupName);
                               }
                               execution.setVariable('GroupName',groupName);]]></activiti:string>
                   </activiti:field>
               </activiti:taskListener>
           </extensionElements>
       </userTask>
       <sequenceFlow id="flow2" sourceRef="alfrescoUsertask1" targetRef="endevent1"></sequenceFlow>
       <endEvent id="endevent1" name="End">
           <extensionElements>
               <activiti:executionListener event="start" class="org.alfresco.repo.workflow.activiti.listener.ScriptExecutionListener">
                   <activiti:field name="runAs">
                       <activiti:string><![CDATA[admin]]></activiti:string>
                   </activiti:field>
                   <activiti:field name="script">
                       <activiti:string><![CDATA[
                                var groupName = execution.getVariable('GroupName');
                               for (var i in bpm_package.children)
                               {
                                   bpm_package.children[i].removePermission("Read", "GROUP_" + groupName );
                               }
                               groups.getGroup(groupName).deleteGroup();]]></activiti:string>
                   </activiti:field>
               </activiti:executionListener>
           </extensionElements>
       </endEvent>
       <boundaryEvent id="boundarytimer1" name="Timer" attachedToRef="alfrescoUsertask1" cancelActivity="true">
           <timerEventDefinition>
               <timeDuration>PT15M</timeDuration>
           </timerEventDefinition>
       </boundaryEvent>
       <sequenceFlow id="flow3" sourceRef="boundarytimer1" targetRef="endevent1"></sequenceFlow>
       <intermediateCatchEvent id="signalintermediatecatchevent1" name="SignalCatchEvent">
           <signalEventDefinition signalRef="alertSignal"></signalEventDefinition>
       </intermediateCatchEvent>
       <sequenceFlow id="flow4" sourceRef="signalintermediatecatchevent1" targetRef="endevent1"></sequenceFlow>
   </process>
   <bpmndi:BPMNDiagram id="BPMNDiagram_GrantPermi">
       <bpmndi:BPMNPlane bpmnElement="GrantPermi" id="BPMNPlane_GrantPermi">
           <bpmndi:BPMNShape bpmnElement="alfrescoStartevent1" id="BPMNShape_alfrescoStartevent1">
               <omgdc:Bounds height="35.0" width="35.0" x="110.0" y="100.0"></omgdc:Bounds>
           </bpmndi:BPMNShape>
           <bpmndi:BPMNShape bpmnElement="alfrescoUsertask1" id="BPMNShape_alfrescoUsertask1">
               <omgdc:Bounds height="55.0" width="105.0" x="270.0" y="90.0"></omgdc:Bounds>
           </bpmndi:BPMNShape>
           <bpmndi:BPMNShape bpmnElement="boundarytimer1" id="BPMNShape_boundarytimer1">
               <omgdc:Bounds height="30.0" width="30.0" x="350.0" y="130.0"></omgdc:Bounds>
           </bpmndi:BPMNShape>
           <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">
               <omgdc:Bounds height="35.0" width="35.0" x="510.0" y="100.0"></omgdc:Bounds>
           </bpmndi:BPMNShape>
           <bpmndi:BPMNShape bpmnElement="signalintermediatecatchevent1" id="BPMNShape_signalintermediatecatchevent1">
               <omgdc:Bounds height="35.0" width="35.0" x="347.0" y="210.0"></omgdc:Bounds>
           </bpmndi:BPMNShape>
           <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
               <omgdi:waypoint x="145.0" y="117.0"></omgdi:waypoint>
               <omgdi:waypoint x="270.0" y="117.0"></omgdi:waypoint>
           </bpmndi:BPMNEdge>
           <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
               <omgdi:waypoint x="375.0" y="117.0"></omgdi:waypoint>
               <omgdi:waypoint x="510.0" y="117.0"></omgdi:waypoint>
           </bpmndi:BPMNEdge>
           <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">
               <omgdi:waypoint x="380.0" y="145.0"></omgdi:waypoint>
               <omgdi:waypoint x="510.0" y="117.0"></omgdi:waypoint>
           </bpmndi:BPMNEdge>
           <bpmndi:BPMNEdge bpmnElement="flow4" id="BPMNEdge_flow4">
               <omgdi:waypoint x="364.0" y="210.0"></omgdi:waypoint>
               <omgdi:waypoint x="527.0" y="135.0"></omgdi:waypoint>
           </bpmndi:BPMNEdge>
       </bpmndi:BPMNPlane>
   </bpmndi:BPMNDiagram>
</definitions>

gdharley

You dont bind the event listener to the end task, you simply register it in the process definition.

This is described here: Activiti User Guide - Adding Listeners to Process Definitions

Greg

bp3‌