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From "Stephane Landelle (JIRA)" <j...@apache.org>
Subject [jira] Created: (JCR-1869) Make lazy loading proxy callback Serializable
Date Thu, 20 Nov 2008 09:12:44 GMT
Make lazy loading proxy callback Serializable

                 Key: JCR-1869
                 URL: https://issues.apache.org/jira/browse/JCR-1869
             Project: Jackrabbit
          Issue Type: Improvement
          Components: jackrabbit-ocm
            Reporter: Stephane Landelle
         Attachments: AbstractLazyLoader.java

Hello (probably Christophe :) ),

It would be nice to have the CGLib callbacks Serializable, because if they're not, the proxies
are not either, even if the target is.

I've seen that you've made BeanLazyLoader Serializable. Wouldn't be better to have AbstractLazyLoader
Serializable, so CollectionLazyLoader is too?

What I've done is :
*) declaring AbstractLazyLoader as Serializable
*) declaring non-Serializable resources such as Session as volatile
*) throwing an IllegalStateException in BeanLazyLoader.fetch and CollectionLazyLoader.fetch
if the Session is null. This case can only happen if the proxy has been serialized without
the volatile Session, and it doesn't make sense to lazy load the target then.

BTW, I realized I didn't clean up the beanClassDescriptor in BeanLazyLoader.cleanUp, so I
corrected this.

I'll attach the modified classes.


St├ęphane Landelle

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