org.datanucleus.state

Class NullCallbackHandler

java.lang.Object

org.datanucleus.state.NullCallbackHandler

All Implemented Interfaces:

CallbackHandler

public class NullCallbackHandler
extends Object
implements CallbackHandler

Callback handler that does nothing. Provided for the case where the user wants to do bulk operations and isn't interested in callbacks.

Constructor Summary

Constructors

Constructor and Description
NullCallbackHandler()

Method Summary

Modifier and Type	Method and Description
void	addListener(Object listener, Class[] classes) Adds a new listener to this handler.
void	close() Clear any objects to release resources.
void	postAttach(Object pc, Object detachedPC) Callback after the object is attached.
void	postClear(Object pc) Callback after the fields of the object are cleared.
void	postCreate(Object pc) Callback after the object has been created.
void	postDelete(Object pc) Callback after the object is deleted.
void	postDetach(Object pc, Object detachedPC) Callback after the object is detached.
void	postDirty(Object pc) Callback after the object is made dirty.
void	postLoad(Object pc) Callback after the fields of the object are loaded.
void	postRefresh(Object pc) Callback after the fields of the object are refreshed.
void	postStore(Object pc) Callback after the object is stored.
void	preAttach(Object detachedPC) Callback before the object is attached.
void	preClear(Object pc) Callback before the fields of the object are cleared.
void	preDelete(Object pc) Callback before the object is deleted.
void	preDetach(Object pc) Callback before the object is detached.
void	preDirty(Object pc) Callback before the object is made dirty.
void	prePersist(Object pc) Callback before the object is persisted (just before the lifecycle state change).
void	preStore(Object pc) Callback before the object is stored.
void	removeListener(Object listener) Remove a listener for this handler.
void	setValidationListener(CallbackHandler handler) Method to set the listener for validation callbacks.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NullCallbackHandler

public NullCallbackHandler()

Method Detail

setValidationListener

public void setValidationListener(CallbackHandler handler)

Description copied from interface: CallbackHandler

Method to set the listener for validation callbacks.

Specified by:

setValidationListener in interface CallbackHandler

Parameters:

handler - Handler for validation callbacks

postCreate

public void postCreate(Object pc)

Description copied from interface: CallbackHandler

Callback after the object has been created.

Specified by:

postCreate in interface CallbackHandler

Parameters:

pc - The Object

prePersist

public void prePersist(Object pc)

Description copied from interface: CallbackHandler

Callback before the object is persisted (just before the lifecycle state change).

Specified by:

prePersist in interface CallbackHandler

Parameters:

pc - The Object

preStore

public void preStore(Object pc)

Description copied from interface: CallbackHandler

Callback before the object is stored.

Specified by:

preStore in interface CallbackHandler

Parameters:

pc - The Object

postStore

public void postStore(Object pc)

Description copied from interface: CallbackHandler

Callback after the object is stored.

Specified by:

postStore in interface CallbackHandler

Parameters:

pc - The Object

preClear

public void preClear(Object pc)

Description copied from interface: CallbackHandler

Callback before the fields of the object are cleared.

Specified by:

preClear in interface CallbackHandler

Parameters:

pc - The Object

postClear

public void postClear(Object pc)

Description copied from interface: CallbackHandler

Callback after the fields of the object are cleared.

Specified by:

postClear in interface CallbackHandler

Parameters:

pc - The Object

preDelete

public void preDelete(Object pc)

Description copied from interface: CallbackHandler

Callback before the object is deleted.

Specified by:

preDelete in interface CallbackHandler

Parameters:

pc - The Object

postDelete

public void postDelete(Object pc)

Description copied from interface: CallbackHandler

Callback after the object is deleted.

Specified by:

postDelete in interface CallbackHandler

Parameters:

pc - The Object

preDirty

public void preDirty(Object pc)

Description copied from interface: CallbackHandler

Callback before the object is made dirty.

Specified by:

preDirty in interface CallbackHandler

Parameters:

pc - The Object

postDirty

public void postDirty(Object pc)

Description copied from interface: CallbackHandler

Callback after the object is made dirty.

Specified by:

postDirty in interface CallbackHandler

Parameters:

pc - The Object

postLoad

public void postLoad(Object pc)

Description copied from interface: CallbackHandler

Callback after the fields of the object are loaded.

Specified by:

postLoad in interface CallbackHandler

Parameters:

pc - The Object

postRefresh

public void postRefresh(Object pc)

Description copied from interface: CallbackHandler

Callback after the fields of the object are refreshed.

Specified by:

postRefresh in interface CallbackHandler

Parameters:

pc - The Object

preDetach

public void preDetach(Object pc)

Description copied from interface: CallbackHandler

Callback before the object is detached.

Specified by:

preDetach in interface CallbackHandler

Parameters:

pc - The Object

postDetach

public void postDetach(Object pc,
                       Object detachedPC)

Description copied from interface: CallbackHandler

Callback after the object is detached.

Specified by:

postDetach in interface CallbackHandler

Parameters:

pc - The Object

detachedPC - The detached object

preAttach

public void preAttach(Object detachedPC)

Description copied from interface: CallbackHandler

Callback before the object is attached.

Specified by:

preAttach in interface CallbackHandler

Parameters:

detachedPC - The Object

postAttach

public void postAttach(Object pc,
                       Object detachedPC)

Description copied from interface: CallbackHandler

Callback after the object is attached.

Specified by:

postAttach in interface CallbackHandler

Parameters:

pc - The attached Object

detachedPC - The detached object

addListener

public void addListener(Object listener,
                        Class[] classes)

Description copied from interface: CallbackHandler

Adds a new listener to this handler.

Specified by:

addListener in interface CallbackHandler

Parameters:

listener - the listener instance

classes - the persistent classes which events are fired for the listener

removeListener

public void removeListener(Object listener)

Description copied from interface: CallbackHandler

Remove a listener for this handler.

Specified by:

removeListener in interface CallbackHandler

Parameters:

listener - the listener instance

close

public void close()

Description copied from interface: CallbackHandler

Clear any objects to release resources.

Specified by:

close in interface CallbackHandler