[hibernate-issues] [Hibernate-JIRA] Created: (HV-432) Create a Java agent to enfore method level validation (design by contract)

[Hardy Ferentschik (JIRA)]

Create a Java agent to enfore method level validation (design by contract)
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                 Key: HV-432
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HV-432
             Project: Hibernate Validator
          Issue Type: Task
          Components: engine
    Affects Versions: 4.2.0.Final
            Reporter: Hardy Ferentschik
             Fix For: 4.x


Google released Contract for Java - http://code.google.com/p/cofoja/ - which is a Java implementations for Design by Contract. Googles version uses a set of annotations, an annotation processor and a runtime java agent (see their documentation).

We have all the pieces for doing this as well.
* We have the constraint annotations 
* We have an annotation processor (obviously it does something else now, but we know how to write one)
* And we have Byteman

I wonder whether we couldn't put these things together and create our own Contract for Java.

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