org.exolab.castor.persist.spi
Interface CallbackInterceptor
- JDOCallback
public interface CallbackInterceptor
A callback interceptor informs objects about changes to their
state. Different callbacks can cause different methods to be
called on the objects.
$Revision: 1.1.1.1 $ $Date: 2003/03/03 07:08:50 $ void | created(Object object) - Called to indicate that an object has been created.
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void | creating(Object object, Database db) - Called to indicate that an object is to be created in persistent
storage.
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Class | loaded(Object object, short accessMode) - Called to indicate that the object has been loaded from persistent
storage.
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void | releasing(Object object, boolean committed) - Called to indicate that an object has been made transient.
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void | removed(Object object) - Called to indicate that an object has been deleted.
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void | removing(Object object) - Called to indicate that an object is to be deleted.
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void | storing(Object object, boolean modified) - Called to indicate that an object is to be stored in persistent
storage.
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void | updated(Object object) - Called to indicate that an object has been updated at the end of
a "long" transaction.
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void | using(Object object, Database db) - Called to indicate that an object has been made persistent.
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created
public void created(Object object)
throws Exception
Called to indicate that an object has been created.
creating
public void creating(Object object,
Database db)
throws Exception
Called to indicate that an object is to be created in persistent
storage.
object
- The objectdb
- The database in which this object will be created
loaded
public Class loaded(Object object,
short accessMode)
throws Exception
Called to indicate that the object has been loaded from persistent
storage.
- null or the extending Class. In the latter case Castor will
reload the object of the given class with the same identity.
releasing
public void releasing(Object object,
boolean committed)
Called to indicate that an object has been made transient.
This method is made at commit or rollback time on all objects
that were presistent during the life time of the transaction.
object
- The objectcommitted
- True if the object has been commited, false
if rollback or otherwise cancelled
removed
public void removed(Object object)
throws Exception
Called to indicate that an object has been deleted.
This method is called during db.remove().
removing
public void removing(Object object)
throws Exception
Called to indicate that an object is to be deleted.
This method is made at commit time on objects deleted during the
transaction before setting their fields to null.
storing
public void storing(Object object,
boolean modified)
throws Exception
Called to indicate that an object is to be stored in persistent
storage.
object
- The objectmodified
- Is the object modified?
updated
public void updated(Object object)
throws Exception
Called to indicate that an object has been updated at the end of
a "long" transaction.
using
public void using(Object object,
Database db)
Called to indicate that an object has been made persistent.
object
- The objectdb
- The database to which this object belongs
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