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https://issues.apache.org/jira/browse/CAY-1439?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrus Adamchik closed CAY-1439.
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Resolution: Fixed
> ClassDescriptor refactoring - replacing returned iterators with collections
> ---------------------------------------------------------------------------
>
> Key: CAY-1439
> URL: https://issues.apache.org/jira/browse/CAY-1439
> Project: Cayenne
> Issue Type: Task
> Components: Core Library
> Affects Versions: 3.1M1
> Reporter: Andrus Adamchik
> Assignee: Andrus Adamchik
> Fix For: 3.1M1
>
>
> ClassDescriptor interface has the following methods returning iterators:
>
> * 'getIdProperties'
> * 'getDiscriminatorColumns'
> * 'getMapArcProperties'
> The original premise of this design was that certain collections can be built
> dynamically based on more than one source of metadata. This however defeated
> the idea of a "compiled" nature of ClassDescriptor, and none of the 3.1
> descriptors are taking advantage of that. (Maybe 3.0 did? we had lots of odd
> descriptors there).
> So replacing the return type from Iterator<T> to Collection<T>. This will
> result in a cleaner (e.g. for loops will be possible), less weird code.
> Unfortuanely the change is not backwards compatible,as I couldn't come up
> with decent alternatie naming that would've been required to keep the
> deprecated iterator methods.
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