Package org.datanucleus.api.jpa

Class JPACallbackHandler

java.lang.Object

org.datanucleus.api.jpa.JPACallbackHandler

All Implemented Interfaces:

org.datanucleus.state.CallbackHandler

public class JPACallbackHandler
extends Object
implements org.datanucleus.state.CallbackHandler

CallbackHandler implementation for JPA.

Constructor Summary

Constructors

Constructor	Description
JPACallbackHandler(org.datanucleus.ExecutionContext ec)

Method Summary

Modifier and Type	Method	Description
void	addListener(Object listener, Class[] classes)	Adds a new listener to this handler.
void	close()	Clear any objects to release resources.
protected Object	getListenerInstance(Class listenerCls)
void	postDelete(Object pc)	Callback after the object is deleted.
void	postLoad(Object pc)	Callback after the fields of the object are loaded.
void	postStore(Object pc)	Callback after the object is stored.
void	preDelete(Object pc)	Callback before the object is deleted (after calling remove() but before the lifecycle state change).
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.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.datanucleus.state.CallbackHandler

postAttach, postClear, postCreate, postDetach, postDirty, postRefresh, preAttach, preClear, preDetach, preDirty

Constructor Detail

JPACallbackHandler

public JPACallbackHandler(org.datanucleus.ExecutionContext ec)

Method Detail

prePersist

public void prePersist(Object pc)

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

Specified by:

prePersist in interface org.datanucleus.state.CallbackHandler

Parameters:

pc - The Object

preStore

public void preStore(Object pc)

Callback before the object is stored.

Specified by:

preStore in interface org.datanucleus.state.CallbackHandler

Parameters:

pc - The Object

postStore

public void postStore(Object pc)

Callback after the object is stored.

Specified by:

postStore in interface org.datanucleus.state.CallbackHandler

Parameters:

pc - The Object

preDelete

public void preDelete(Object pc)

Callback before the object is deleted (after calling remove() but before the lifecycle state change).

Specified by:

preDelete in interface org.datanucleus.state.CallbackHandler

Parameters:

pc - The Object

postDelete

public void postDelete(Object pc)

Callback after the object is deleted.

Specified by:

postDelete in interface org.datanucleus.state.CallbackHandler

Parameters:

pc - The Object

postLoad

public void postLoad(Object pc)

Callback after the fields of the object are loaded.

Specified by:

postLoad in interface org.datanucleus.state.CallbackHandler

Parameters:

pc - The Object

addListener

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

Adds a new listener to this handler.

Specified by:

addListener in interface org.datanucleus.state.CallbackHandler

Parameters:

listener - the listener instance.

classes - this parameter is ignored in this implementation

removeListener

public void removeListener(Object listener)

Remove a listener for this handler.

Specified by:

removeListener in interface org.datanucleus.state.CallbackHandler

Parameters:

listener - the listener instance

close

public void close()

Clear any objects to release resources.

Specified by:

close in interface org.datanucleus.state.CallbackHandler

getListenerInstance

protected Object getListenerInstance(Class listenerCls)
                              throws InstantiationException,
                                     IllegalAccessException,
                                     InvocationTargetException,
                                     NoSuchMethodException

Throws:

InstantiationException

IllegalAccessException

InvocationTargetException

NoSuchMethodException