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preDetach(event) - JDO DetachLifecycleListener's method

This method is called during the execution of javax.jdo.PersistenceManager.detachCopy before the detached copy is made. It is called before the method DetachCallback.jdoPreDetach is called on the instance to be detached.
Parameters:
event - the detach event.
Since:
JDO 2.0

This documentation page is derived (with some adjustments) from the JDO 2.2 API
and is available under the terms of the Apache License, v. 2.0.