[jboss-jira] [JBoss JIRA] (AS7-4772) Maintain iteration order for entity bean finders

Fri May 11 04:08:18 EDT 2012

    [ https://issues.jboss.org/browse/AS7-4772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12692071#comment-12692071 ] 

Mattias Nilsson Grip commented on AS7-4772:
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Ok, great. I will start to work on the changes.

> Maintain iteration order for entity bean finders
> ------------------------------------------------
>
>                 Key: AS7-4772
>                 URL: https://issues.jboss.org/browse/AS7-4772
>             Project: Application Server 7
>          Issue Type: Feature Request
>          Components: EJB
>    Affects Versions: 7.1.1.Final, 7.1.2.Final (EAP)
>            Reporter: Mattias Nilsson Grip
>            Assignee: jaikiran pai
>              Labels: ejb2, find, interceptor, iterators, sorting
>
> In previous JBoss AS versions (at least in JBoss AS 4.x) if a finder method in an EJB 2.x entity bean returned a collection or enumeration of primary keys in a specific order, the client would receive a collection or enumeration of entities with the same iteration order.
> In JBoss AS 7, the entity bean home interceptor uses a HashSet when producing the collection of entities. This means iteration order is lost and clients receive the entities in random order.
> As a convenience and as a backward compatibility for users migrating from previous JBoss versions, could you consider replacing java.util.HashSet with java.util.LinkedHashSet in org.jboss.as.ejb3.component.entity.interceptors.EntityBeanHomeFinderInterceptorFactory? I would be happy to provide a test case and a pull request with this change.
> Regards,
> Mattias

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