[Hibernate-issues] [Hibernate-JIRA] Commented: (HB-242) <meta attribute="implements"> does not behave as expected

[<leg...@at...>]

The following comment has been added to this issue:

     Author: Max Rydahl Andersen
    Created: Tue, 12 Aug 2003 3:22 AM
       Body:
Have you tried adding insert="false" to the meta attribute in the class ? It may surprise you to see that what happens is that the class GETS the meta tag (as it is in the class), but the meta tag is NOT inherited by any sub-tags.

Please say if you have tried it and it then did not work, because then we have a bug - and then i would like to see you hbm.xml which does not work.

Here is what i expect you to do ;)

<class name="com.rhi.domain.impl.Person" table="people">     
    
        <meta inherit="false" attribute="implements">com.rhi.domain.Person</meta>
    
        <composite-id name="pk" class="com.rhi.domain.impl.id.PersonPk">
            <key-property name="personId" column="person_id" type="java.lang.Long"/> 
            <key-property name="personRegionId"  column="person_region_id" type="java.lang.Long"/> 
        </composite-id>
        
        <property name="number" column="people_no" type="java.lang.Long"/>
        <property name="firstName" column="first_name" type="java.lang.String"/> 
        <property name="middleName" column="middle_name" type="java.lang.String"/> 
        <property name="lastName" column="last_name" type="java.lang.String"/> 
        
    </class> 
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View the issue:

  http://opensource.atlassian.com/projects/hibernate/secure/ViewIssue.jspa?key=HB-242


Here is an overview of the issue:
---------------------------------------------------------------------
        Key: HB-242
    Summary: <meta attribute="implements"> does not behave as expected
       Type: Bug

     Status: Closed
   Priority: Major
 Resolution: REJECTED

    Project: Hibernate2
 Components: 
             toolset
   Versions:
             2.0.1

   Assignee: 
   Reporter: abe zafar

    Created: Sun, 10 Aug 2003 2:40 AM
    Updated: Sun, 10 Aug 2003 6:37 AM
Environment: JDK1.4

Description:
If the tag <meta attribute="implements">com.hp.Printer</meta> is inserted as a child of the class tag it properly adds the implement clause to the class. But if that class also contained a <composite-id> tag which indicated a class then that class would also UNEXPECTEDLY implement the interface "com.hp.Printer".


So in the following example:

<class name="com.hp.ColorPrinter">
<meta attribute="implements">com.hp.Printer</meta> 
<composite-id
        name="propertyName"
        class="com.hp.PrinterId">

        <key-property name="propertyName" type="typename" column="column_name"/>
        <key-many-to-one name="propertyName class="ClassName" column="column_name"/>
</composite-id>

Both "ColorPrinter" and "PrinterId" end up implementing "com.hp.Printer". ColorPrinter is expected to implement the interface, but PrinterId should not implement the interface.
        






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