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en:rule:control_branch [2024-01-08 19:39] – [✘ How NOT to] Anatoly Belaychuken:rule:control_branch [2024-11-02 13:36] (current) – [Edit diagram] Anatoly Belaychuk
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-====== Use a subprocess and a control branch as an alternative to the attached event ======+====== subprocess and a control branch may be used as an alternative to the attached event ======
  
-{{tag>subprocess gateway event "attached event"}}+{{tag>subprocess event attached_event terminate_event}}
  
 Use a subprocess containing the control branch to implement versatile event processing logic. Use a subprocess containing the control branch to implement versatile event processing logic.
- 
 ===== ✔ How to ===== ===== ✔ How to =====
  
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   - Start the subprocess with the parallel gateway followed by two branches, "working" and "control".   - Start the subprocess with the parallel gateway followed by two branches, "working" and "control".
   - Put the "Obtain payment" at the working branch.   - Put the "Obtain payment" at the working branch.
-  - Put the timer to the control branch. +  - Put the timer at the control branch. 
-  - End both the working and control branch with terminate events.+  - End both the working and control branch with the terminate event.
  
 <bpmnio type="bpmn"> <bpmnio type="bpmn">
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 ===== ✘ How NOT to ===== ===== ✘ How NOT to =====
  
-Interrupting attached timer won'do the job if need to discuss the issue with client while still trying to obtain the payment:+Interrupting attached timer won'let discussing the issue with client while still trying to obtain the payment:
  
 <bpmnio type="bpmn"> <bpmnio type="bpmn">
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 </bpmnio> </bpmnio>
  
-Non-interrupting looks better but it won'be possible to reset the timer to the new due date:+Non-interrupting looks better but it won'let resetting the timer to the new due date:
  
 <bpmnio type="bpmn"> <bpmnio type="bpmn">
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     <sequenceFlow id="Flow_1mqvexf" sourceRef="Event_0jid81n" targetRef="Activity_1mnvjuz" />     <sequenceFlow id="Flow_1mqvexf" sourceRef="Event_0jid81n" targetRef="Activity_1mnvjuz" />
     <sequenceFlow id="Flow_1fkn8r9" sourceRef="Event_0r0tew3" targetRef="Activity_1skmlnn" />     <sequenceFlow id="Flow_1fkn8r9" sourceRef="Event_0r0tew3" targetRef="Activity_1skmlnn" />
-    <endEvent id="Event_1k1tn88" name="Paid"> 
-      <incoming>Flow_0b5yo8b</incoming> 
-    </endEvent> 
     <sequenceFlow id="Flow_0b5yo8b" sourceRef="Activity_1mnvjuz" targetRef="Event_1k1tn88" />     <sequenceFlow id="Flow_0b5yo8b" sourceRef="Activity_1mnvjuz" targetRef="Event_1k1tn88" />
     <boundaryEvent id="Event_0r0tew3" name="Payment due date" cancelActivity="false" attachedToRef="Activity_1mnvjuz">     <boundaryEvent id="Event_0r0tew3" name="Payment due date" cancelActivity="false" attachedToRef="Activity_1mnvjuz">
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     </endEvent>     </endEvent>
     <sequenceFlow id="Flow_16a0qq5" name="yes" sourceRef="Gateway_1sygjo0" targetRef="Event_1ltc3ao" />     <sequenceFlow id="Flow_16a0qq5" name="yes" sourceRef="Gateway_1sygjo0" targetRef="Event_1ltc3ao" />
 +    <endEvent id="Event_1k1tn88" name="Paid">
 +      <incoming>Flow_0b5yo8b</incoming>
 +      <terminateEventDefinition id="TerminateEventDefinition_1srmvcb" />
 +    </endEvent>
   </process>   </process>
   <bpmndi:BPMNDiagram id="BpmnDiagram_1">   <bpmndi:BPMNDiagram id="BpmnDiagram_1">
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       <bpmndi:BPMNShape id="Event_0jid81n_di" bpmnElement="Event_0jid81n">       <bpmndi:BPMNShape id="Event_0jid81n_di" bpmnElement="Event_0jid81n">
         <omgdc:Bounds x="112" y="-138" width="36" height="36" />         <omgdc:Bounds x="112" y="-138" width="36" height="36" />
-      </bpmndi:BPMNShape> 
-      <bpmndi:BPMNShape id="Event_0ok4f4i_di" bpmnElement="Event_1k1tn88"> 
-        <omgdc:Bounds x="352" y="-138" width="36" height="36" /> 
-        <bpmndi:BPMNLabel> 
-          <omgdc:Bounds x="359" y="-95" width="23" height="14" /> 
-        </bpmndi:BPMNLabel> 
       </bpmndi:BPMNShape>       </bpmndi:BPMNShape>
       <bpmndi:BPMNShape id="Activity_1skmlnn_di" bpmnElement="Activity_1skmlnn">       <bpmndi:BPMNShape id="Activity_1skmlnn_di" bpmnElement="Activity_1skmlnn">
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         <bpmndi:BPMNLabel>         <bpmndi:BPMNLabel>
           <omgdc:Bounds x="349" y="155" width="43" height="14" />           <omgdc:Bounds x="349" y="155" width="43" height="14" />
 +        </bpmndi:BPMNLabel>
 +      </bpmndi:BPMNShape>
 +      <bpmndi:BPMNShape id="Event_05jo8b9_di" bpmnElement="Event_1k1tn88">
 +        <omgdc:Bounds x="352" y="-138" width="36" height="36" />
 +        <bpmndi:BPMNLabel>
 +          <omgdc:Bounds x="359" y="-95" width="23" height="14" />
         </bpmndi:BPMNLabel>         </bpmndi:BPMNLabel>
       </bpmndi:BPMNShape>       </bpmndi:BPMNShape>
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 ===== Notes ===== ===== Notes =====
  
-  - [[en:rule:event_gateway_warning | Exclusive event-based gateway ]] won't do the job. +  - Although it's usually better to use [[en:rule:collapsed_subprocess|collapsed representation of a subprocess]] to isolate its internals, it may make sence to depict the subprocess expanded in this technique to make the logic clear. 
-  - Although it's usually better to use [[en:rule:collapsed_subprocess | collapsed representation of a process ]] to isolate its internals, it may make sence to depict the subprocess expanded in this technique to make the logic clear. +  - As an exception to the [[en:rule:explicit_parallel_split|general rule]], one may initiate work and control flows directly from the start event:
-  - As an exception to the [[en:rule:one_outgoing_control_flow | general rule ]], one may initiate work and control flows directly from the start event:+
  
 <bpmnio type="bpmn"> <bpmnio type="bpmn">
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 </definitions> </definitions>
 </bpmnio> </bpmnio>
-===== Exceptions =====+===== See also =====
  
-Attached events are simpler and hence should be preferred in more straightforward scenarios.+  * [[en:rule:event_gateway_warning]]
  
 ===== Autor(s) ===== ===== Autor(s) =====
  
  --- //[[user:bell|Anatoly Belaychuk]] 2023-09-10 11:21//  --- //[[user:bell|Anatoly Belaychuk]] 2023-09-10 11:21//
 +