topic Multi-Instance's completionCondition method executed twice in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/multi-instance-s-completioncondition-method-executed-twice/m-p/231111#M184241 <HTML><HEAD></HEAD><BODY><SPAN>I am learning activiti, and following is a code snippet to test multi-instance task;</SPAN><BR /><BR /><PRE class="language-java line-numbers"><CODE><BR />&lt;scriptTask id="scripttask1" name="Script Task" scriptFormat="groovy" activiti:autoStoreVariables="false"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;multiInstanceLoopCharacteristics isSequential="true"&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&lt;loopCardinality&gt;100&lt;/loopCardinality&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;completionCondition&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;${processHelper.shouldStop(currentIndex)}<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;/completionCondition&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/multiInstanceLoopCharacteristics&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;script&gt;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;execution.setVariable("" + currentIndex, currentIndex *<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;currentIndex)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;execution.setVariable("currentIndex", currentIndex + 1)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;/script&gt;<BR />&nbsp;&nbsp;&nbsp; &lt;/scriptTask&gt;<BR /><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>There is no special, but just use a helper method to determine whether to finish the task or not; following is the method:</SPAN><BR /><PRE class="language-java line-numbers"><CODE><BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; public boolean shouldStop(int index) {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println("shouldStop called with [" + index + "]");<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return index &gt;= 10;<BR />&nbsp;&nbsp;&nbsp;}<BR /><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>It is indeed called that method with every index, from 0 to 10; but, one strange thing I noticed is, two execution made for each index, following is the output:</SPAN><BR /><SPAN>shouldStop called with [1]</SPAN><BR /><SPAN>shouldStop called with [1]</SPAN><BR /><SPAN>shouldStop called with [2]</SPAN><BR /><SPAN>shouldStop called with [2]</SPAN><BR /><SPAN>shouldStop called with [3]</SPAN><BR /><SPAN>shouldStop called with [3]</SPAN><BR /><SPAN>shouldStop called with [4]</SPAN><BR /><SPAN>shouldStop called with [4]</SPAN><BR /><SPAN>shouldStop called with [5]</SPAN><BR /><SPAN>shouldStop called with [5]</SPAN><BR /><SPAN>shouldStop called with [6]</SPAN><BR /><SPAN>shouldStop called with [6]</SPAN><BR /><SPAN>shouldStop called with [7]</SPAN><BR /><SPAN>shouldStop called with [7]</SPAN><BR /><SPAN>shouldStop called with [8]</SPAN><BR /><SPAN>shouldStop called with [8]</SPAN><BR /><SPAN>shouldStop called with [9]</SPAN><BR /><SPAN>shouldStop called with [9]</SPAN><BR /><SPAN>shouldStop called with [10]</SPAN><BR /><SPAN>shouldStop called with [10]</SPAN><BR /><BR /><SPAN>It seems no harm yet, however, I just want to know, is this the expected behaviour and is there any way to avoid the second invocation? </SPAN><BR /><BR /><SPAN>Thanks. </SPAN><BR /></BODY></HTML> Mon, 11 Jan 2016 09:32:23 GMT wangsenyuan 2016-01-11T09:32:23Z Multi-Instance's completionCondition method executed twice https://connect.hyland.com/t5/alfresco-archive/multi-instance-s-completioncondition-method-executed-twice/m-p/231111#M184241 I am learning activiti, and following is a code snippet to test multi-instance task;&lt;scriptTask id="scripttask1" name="Script Task" scriptFormat="groovy" activiti:autoStoreVariables="false"&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;multiInstanceLoopCharacteristics isSequential="true"&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&lt;loopCardinality&gt;100&lt; Mon, 11 Jan 2016 09:32:23 GMT https://connect.hyland.com/t5/alfresco-archive/multi-instance-s-completioncondition-method-executed-twice/m-p/231111#M184241 wangsenyuan 2016-01-11T09:32:23Z Re: Multi-Instance's completionCondition method executed twice https://connect.hyland.com/t5/alfresco-archive/multi-instance-s-completioncondition-method-executed-twice/m-p/231112#M184242 <HTML><HEAD></HEAD><BODY><SPAN>The first question for activiti</SPAN></BODY></HTML> Mon, 11 Jan 2016 09:32:52 GMT https://connect.hyland.com/t5/alfresco-archive/multi-instance-s-completioncondition-method-executed-twice/m-p/231112#M184242 wangsenyuan 2016-01-11T09:32:52Z Re: Multi-Instance's completionCondition method executed twice https://connect.hyland.com/t5/alfresco-archive/multi-instance-s-completioncondition-method-executed-twice/m-p/231113#M184243 <HTML><HEAD></HEAD><BODY><SPAN>I believe the condition could indeed be called twice, depending on its usage. As you say, no real harm is done.</SPAN></BODY></HTML> Wed, 20 Jan 2016 21:43:41 GMT https://connect.hyland.com/t5/alfresco-archive/multi-instance-s-completioncondition-method-executed-twice/m-p/231113#M184243 jbarrez 2016-01-20T21:43:41Z