[jboss-jira] [JBoss JIRA] Commented: (JBCACHE-707) PojoCache to aspectize JDom classes

[Ben Wang (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBCACHE-707?page=comments#action_12339821 ] 
            
Ben Wang commented on JBCACHE-707:
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I have looked into JDom internal classes:

1) JDom support of tree but not graph among the Element. That is, each Element has only one parent.

2) Internal implementation relies heavily on ContentList and AttributeList, their own implementation of List API. And they store the internal collection via Java array, e.g., Content[].

Challenges now is JBoss Aop can't do Java array interception. So we wouldn't know the change to the array!


> PojoCache to aspectize JDom classes
> -----------------------------------
>
>                 Key: JBCACHE-707
>                 URL: http://jira.jboss.com/jira/browse/JBCACHE-707
>             Project: JBoss Cache
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: PojoCache
>            Reporter: Ben Wang
>         Assigned To: Ben Wang
>             Fix For: POJOCache
>
>   Original Estimate: 2 weeks
>  Remaining Estimate: 2 weeks
>
> This is suggested by Bela during a customer visit. Idea is the customer is using JDom internally to store the documents such as mail, fax, email, parcel, and the like. However, for clustering purpose, each single update on document element would require replication of the whole document. Not a very efficient process.
> If PojoCache can aspectize JDom classes then fine-grained replication can be done transparently.

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