[Hibernate-issues] [Hibernate-JIRA] Created: (HB-505) Allow proxy not to initialize object on hashCode/equals

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Here is an overview of the issue:
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        Key: HB-505
    Summary: Allow proxy not to initialize object on hashCode/equals
       Type: New Feature

     Status: Unassigned
   Priority: Minor

    Project: Hibernate2
 Components: 
             core
   Versions:
             2.1

   Assignee: 
   Reporter: Dmitry

    Created: Thu, 27 Nov 2003 9:23 AM
    Updated: Thu, 27 Nov 2003 9:23 AM

Description:
There should be a way to tell Hibernate what although class A implements hashCode() and equals(), Hibernate should not initialize proxy for this class when these methods are called.

This allows creation of classes with simple hashCode/equals which operate on Id property only. Currently such an objects get initialized when equals() is called resulting in inefficient operations with collections of proxied objects.

One of the way of doing this would be addition of proxy-equals and proxy-hashcode attributes to <class> mapping element with following values:

"true" - proxy handles hashCode()/equals() by itself (using Id property)

"false" - proxy doesn't handle hashCode()/equals() but calls target's method WITHOUT initializing the object.

"auto" - default. Do exactly what proxy does now - if objects doesn't override hashCode()/equals(), proxy handles these methods. Otherwise, object is initialized when one of these methods get called.

Note: when proxy-equals="true", proxy must set target's Id property before calling it's equals() method.


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