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difference between claim and delegate task

Question asked by marwahussein on Nov 22, 2015
Latest reply on Nov 23, 2015 by marwahussein
I have several questions:

1- I need to know the difference between claim and delegate task, I know that delegation is to allocate a specific task to another resource before it started and I implemented it in the activiti code I am working on now. But when I tried to claim a task that was delegated before it throws an exception stated that this task is already claimed to another user before. I need to know how to make resource reallocate a task and how to state that the system did it.

2- I need to understand what resolve task do exactly and what is the difference between the task assignee and the task owner

3- last question:I need to know if there is a possibility to represent the task start, suspention and failed in Activiti or not ? as I need to throw an esper event when a task started, suspended or failed and I can't find anyway to do it directly from task service

thanks in advance