[jboss-user] [JBoss jBPM] - Lifecycle of process and task instances

Hello everybody! I wonder about the lifecycle of process instances, subprocess instances and task instances and how they are related to each other. For the process instances I identified four states: started ? suspended ? ended -> A process instance is started as soon it is in the database -> If a process instance is suspended, no tasks can be done and it can?t be signalled. What is with timers in suspended state. Do they continue or are they suspended as well? -> Ended means a process instance completed normally This should be the same for subprocesses instances as they are normal process instances at first. For task instances the documentation (chapter 11.2.1) describes three states: created ? started ? ended. But in fact there seem to be more states: suspended ? cancelled ? open. -> Created should be clear, this is as soon as an entry in the taskinstance table in the database is made. -> What means the started state? Who or what is supposed to start a task instance when? Only the actor? -> Suspended is like process instance suspension but just for the single task. Isn?t it? -> Ended is the task instance is ended normally (the taskinstance end date in the database is not null) -> Cancelled is the task was cancelled (the taskinstance end date is not null AND the iscanceled flag is set in the database) -> What is the open state for? (the isopen flag is set in the database) Now: How do states of process instance, subprocess instance and task instances of the process instance and any subprocess instance relate? What do I mean? For example: ->When ending a process instance, are all subprocess instances and task instances of the process and subprocess instances ended as well? ->Does a suspended process instance mean that also all subprocess instances of that process instance are suspended and all tasks of the process and subprocess instances as well? So as you see I still didn?t get the whole picture yet, despite digging into the documentation and source code and searching the forum (yes, I found some hints but some have been contradictory, though). Therefore I would really appreciate one of you, maybe even one of the developers, giving me this picture. Probably I am also not the only one seeking for it. Thanks in advance, Markus View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4070529#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...