[jira] Assigned: (BVAL-78) Avoid unsafe casting and object swapping when processing @ReportAsSingleViolation composed constraints

["Carlos Vara (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BVAL-78?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Carlos Vara reassigned BVAL-78:
-------------------------------

    Assignee: Carlos Vara

> Avoid unsafe casting and object swapping when processing @ReportAsSingleViolation composed constraints
> ------------------------------------------------------------------------------------------------------
>
>                 Key: BVAL-78
>                 URL: https://issues.apache.org/jira/browse/BVAL-78
>             Project: BeanValidation
>          Issue Type: Improvement
>          Components: jsr303
>    Affects Versions: 0.2-incubating
>            Reporter: Matt Benson
>            Assignee: Carlos Vara
>         Attachments: BVAL-78.patch.txt
>
>
> Numerous warnings abound in ConstraintViolation due to the fact that ConstraintValidationListener must be used as a raw type.  Further the GroupValidationContext must be cast to a BeanValidationContext so that the listener reference can be reset, which doesn't feel optimal either.  The attached patch:
> * Modifies GroupValidationContext<T> such that, rather than extending ValidationContext<T> where T extends ValidationListener, it instead expressly implements ValidationContext<ConstraintValidationListener<T>> (T is now effectively the same type variable as ConstraintValidationListener<T>).  Now GroupValidationContext.getListener() expressly returns a ConstraintValidationListener.
> * Adds state management for @ReportAsSingleViolation composed constraints to ConstraintValidationListener so that the original listener instance can be used throughout.
> * The reportAsSingle execution path bails as soon as it is known that a composing constraint has failed.

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