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Bug 356816

Summary:	[AbstrDeclValidator] internal state turns bogus
Product:	[Modeling] TMF	Reporter:	Moritz Eysholdt <moritz.eysholdt>
Component:	Xtext	Assignee:	Project Inbox <tmf.xtext-inbox>
Status:	NEW ---	QA Contact:
Severity:	normal
Priority:	P3
Version:	2.0.1
Target Milestone:	---
Hardware:	PC
OS:	Mac OS X - Carbon (unsup.)
Whiteboard:

Description Moritz Eysholdt

2011-09-06 10:01:05 EDT

When first running 
ValidattionTester.validate()
and then 
IResourceValidator.validate()
IllegalStateException("State is already assigned.") will be thrown.

proposed fix:
reset AbstractDeclarativeValidator.state from within ValidationTester.diagnose(). 
The protocol of ValidationTester suggests that diagnose() is called after validate() has been called. AbstractDeclarativeValidator will need to provide a method to reset its state, since state is currently an internal implementation detail.