Ability to attach a transient object
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Key: JDO-686
URL: https://issues.apache.org/jira/browse/JDO-686
Project: JDO
Issue Type: New Feature
Components: api, specification, tck
Reporter: Andy Jefferson
As per this thread
http://mail-archives.apache.org/mod_mbox/db-jdo-user/200808.mbox/%[email protected]%3E
the ability to call pm.makePersistent(obj) with a transient object where that
transient object has its identity set and where it corresponds to an object in
the datastore. Obviously that would only work for application-identity (since
it has PK fields, whereas datastore-id has none so "id" not really defined by
the object).
One option for datastore-identity would be to have a new method like
pm.makePersistentForIdentity(Object obj, Object id);
This would obviously not allow you to persist by reachability, so whether we
just don't permit it for datastore-identity is one option, or alternatively
pass in a Map of Object keyed by the identity.
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