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Bug 256362

Summary:	Firing of changes in BuildExecutionSupportImpl is badly designed.
Product:	projects	Reporter:	Martin Entlicher <mentlicher>
Component:	Generic Infrastructure	Assignee:	Tomas Stupka <tstupka>
Status:	NEW ---
Severity:	normal
Priority:	P3
Version:	8.1
Hardware:	All
OS:	All
Issue Type:	DEFECT	Exception Reporter:
Bug Depends on:
Bug Blocks:	256161

Description Martin Entlicher 2015-11-04 15:09:42 UTC

I use BuildExecutionSupport to add change listener on it and when a change is fired, I ask getLastFinishedItem(), since there is no other way to find our what has happened.

However, a change event is fired by BuildExecutionSupportImpl from two places.
From registerRunningItem() and from registerFinishedItem().

registerRunningItem() does nothing with 'lastFinishedItem' field, therefore a call to getLastFinishedItem() returns the item that has no relation to the current change.

From the event it's not possible to find out if a new running item was registered, or if a finished item was registered.

Either, there should be no change event fired when a running item is registered, because I can not imagine what I would do based on an info that something has changed, but I have no way to find out what has changed, or I should have a way to distinguish registry of running and finished items.