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Hibernate version: 2.1.2

Mapping documents:


<class
name="com.orange.greco.persistance.dao.masque.bean.MasqueTO"
table="MASQUE"
>

...
...
...

<set
name="masquesChamps"
table="MASQUECHAMP"
lazy="true"
cascade="all"
>
<key>
<column name="ID_MASQUE" />
</key>

<composite-element class="com.orange.greco.persistance.dao.masque.bean.MasqueChampsTO">
<property name="rangChampsAffiche" type="java.lang.Integer" column="RANG"/>
<many-to-one name="champ" column="ID_CHAMPAFFICHE" class="com.orange.greco.persistance.dao.references.bean.ChampsAfficheTO"/>
</composite-element>

</set>

...
...
...

</class>



Hibernate keeps inserting and deleting composite-element linked to the MasqueTO class whenever I iterate through the corresponding link event if the linked objects are not modified.

Here is what I get into the Hibernate log :
...
( a lot of )
Hibernate: delete from MASQUECHAMP where ID_MASQUE=? and RANG=? and ID_CHAMPAFFICHE=?
Hibernate: insert into MASQUECHAMP (ID_MASQUE, RANG, ID_CHAMPAFFICHE) values (?, ?, ?)
...

This is performance killing for my application as I keep reading MasqueTO Object and browsing through MasqueChamp link

I guess my mapping is wrong but I can't find out where .

Than you by advance for your help.

Yann

The solution is :

Implements hashCode and equals methods for the object mapped as composite-element.