topic Re: Using BPM for Form Validation? in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/using-bpm-for-form-validation/m-p/94234#M64540 <HTML><HEAD></HEAD><BODY><SPAN>You're current knowledge about activiti being asynchronous (by default) is wrong. When you start a process (or complete a task), the current thread is used to execute the next steps of the process, until another wait-state (task, receive-task, …) or process-end is reached. </SPAN><BR /><BR /><SPAN>So in case you're process has a service-task (some Java behavior) that checks against a 3rd-pary system, after a user-task, the call to our "taskService.complete()" will only return, after that call has been done. If you throw an exception in the service-task that contacts the 3rd party system, this will bubble up to the point where the API-call (completeTask()) is done. On that moment, you can inspect the exception and give the user appropriate feedback (e.g. entity X does not exist in system Y).</SPAN><BR /><BR /><SPAN>Asynchronous behavior is possible in Activiti, but this needs to be explicit ally configured on a per-activity-basis…</SPAN></BODY></HTML> Mon, 29 Oct 2012 11:06:25 GMT frederikherema1 2012-10-29T11:06:25Z Using BPM for Form Validation? https://connect.hyland.com/t5/alfresco-archive/using-bpm-for-form-validation/m-p/94233#M64539 Hi all,I am new to using a&nbsp; workflow engine and just trying to get a handle on the use cases that best suit using one and when to use plain old server side validation in the service layer. I see a tendency for business people to want to abstract out the form validation into task . i.e does this cust Mon, 29 Oct 2012 08:11:38 GMT https://connect.hyland.com/t5/alfresco-archive/using-bpm-for-form-validation/m-p/94233#M64539 mxc4 2012-10-29T08:11:38Z Re: Using BPM for Form Validation? https://connect.hyland.com/t5/alfresco-archive/using-bpm-for-form-validation/m-p/94234#M64540 <HTML><HEAD></HEAD><BODY><SPAN>You're current knowledge about activiti being asynchronous (by default) is wrong. When you start a process (or complete a task), the current thread is used to execute the next steps of the process, until another wait-state (task, receive-task, …) or process-end is reached. </SPAN><BR /><BR /><SPAN>So in case you're process has a service-task (some Java behavior) that checks against a 3rd-pary system, after a user-task, the call to our "taskService.complete()" will only return, after that call has been done. If you throw an exception in the service-task that contacts the 3rd party system, this will bubble up to the point where the API-call (completeTask()) is done. On that moment, you can inspect the exception and give the user appropriate feedback (e.g. entity X does not exist in system Y).</SPAN><BR /><BR /><SPAN>Asynchronous behavior is possible in Activiti, but this needs to be explicit ally configured on a per-activity-basis…</SPAN></BODY></HTML> Mon, 29 Oct 2012 11:06:25 GMT https://connect.hyland.com/t5/alfresco-archive/using-bpm-for-form-validation/m-p/94234#M64540 frederikherema1 2012-10-29T11:06:25Z