Use the example from hibernate-reference manual:
<class name="eg.Parent">
<id name="id" column="id"/>
<set role="children" readonly="true" lazy="true">
<key column="parent_id"/>
<one-to-many class="eg.Child"/>
</set>
</class>
<class name="eg.Child">
<id name="id" column="id"/>
<many-to-one name="parent" class="eg.Parent"
column="parent_id"/>
</class>
Here the children set in the Parent object is
readonly. Does it mean any modification to any "Child
element" in the Children set will not be persisted to
database( an violation of usual persistence by
reachability)? In this sense, the "readonly" applies
to the set element. Or Does it mean any addition and
removal from the Children set will not be persisted to
the database? In this sense, the "readonly" applies to
the set itself.
If we have a bidirectinoal association, but I do not
specify the readonly for one end of the association.
What can be resulted from it?
Also why can the "readonly" attribute not be specified
for <list> element?
Thanks
Guys
jason
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