My question is: MiddleGen automatically creates this TbServicoDncPK, it´s another class when i use CodeGen.My code becomes more complex. so.... continues after the listed code

<class name="com.ccne.bo.TbServicoDnc" table="TB_SERVICO_DNC">

<composite-id name="comp_id" class="com.ccne.bo.TbServicoDncPK">

<key-property name="codTipoFamiliaInsumo" column="COD_TIPO_FAMILIA_INSUMO" type="byte" length="2"/>

<key-property name="codDependencia" column="COD_DEPENDENCIA" type="int" length="10"/>

<key-property name="codFamiliaDnc" column="COD_FAMILIA_DNC" type="int" length="10"/>

<key-property name="codServicoDnc" column="COD_SERVICO_DNC" type="int" length="10"/>

</composite-id>

i´m erasing this PK classes like this:

....

<composite-id >

.....

It has no name and i erase the class ..PK too.I work with many composite-id´s is it ok what i´m doing?

thanks in advance

Tools forum would have been better - lucky I spotted it .

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Middlegen can create mappings for Composite keys in two formats that are support by Hibernate. The best format is the one you have show which it the external composite key. You could choose to have the integrated composite key generated instead. Deleting the composite key mapping section would appear to be wrong as you now have no key for the relational table. A key is required. You did not say why (,other than complexity,) you are removing the key form the entity mapping.

BTW: There is a simple Ant attribute that can be used to change the composite key generation style. I think this is what what you want to do.