[Hibernate-issues] [Hibernate-JIRA] Created: (HHH-1922) add mutable attribute to subclass and joined-subclass elements

[Joe K. (JIRA) <no...@at...>]

add mutable attribute to subclass and joined-subclass elements
--------------------------------------------------------------

         Key: HHH-1922
         URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1922
     Project: Hibernate3
        Type: New Feature

    Reporter: Joe Kelly


Can you please add the "mutable" attribute to the "subclass" and "joined-subclass" elements? It is currently only supported for the "class" element. Sometimes I want some subclasses to be mutable and others to be immutable, in the same hierarchy. For example, this is what I would like to be able to do:
----------------------
  <class name="AbstractAccount" table="account" discriminator-value="null">
    <id name="entityId" column="account_id" unsaved-value="null">
      <generator class="sequence">
        <param name="sequence">account_seq</param>
      </generator>
    </id>
    <discriminator column="account_type" type="string"/>
    <property name="name" column="name"/>
    <subclass name="SystemDefinedAccount" discriminator-value="S" mutable="false">
    </subclass>
    <subclass name="UserDefinedAccount" discriminator-value="U" mutable="true">
    </subclass>      
  </class>
----------------------

As you can see, SystemDefinedAccount is immutable whereas UserDefinedAccount is mutable.


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