org.hibernate.event.def
Class DefaultMergeEventListener

java.lang.Object
  org.hibernate.event.def.AbstractReassociateEventListener
      org.hibernate.event.def.AbstractSaveEventListener
          org.hibernate.event.def.DefaultMergeEventListener

All Implemented Interfaces:

Serializable, MergeEventListener

Direct Known Subclasses:

DefaultSaveOrUpdateCopyEventListener, EJB3MergeEventListener

public class DefaultMergeEventListener
extends AbstractSaveEventListener
implements MergeEventListener

Defines the default copy event listener used by hibernate for copying entities in response to generated copy events.

Author:

Gavin King

See Also:

Serialized Form

Field Summary

Fields inherited from class org.hibernate.event.def.AbstractSaveEventListener

DELETED, DETACHED, PERSISTENT, TRANSIENT

Constructor Summary

DefaultMergeEventListener()

Method Summary

protected void	cascadeAfterSave(EventSource source, EntityPersister persister, Object entity, Object anything) Cascade behavior is redefined by this subclass, disable superclass behavior
protected void	cascadeBeforeSave(EventSource source, EntityPersister persister, Object entity, Object anything) Cascade behavior is redefined by this subclass, disable superclass behavior
protected void	cascadeOnMerge(EventSource source, EntityPersister persister, Object entity, Map copyCache) Perform any cascades needed as part of this copy event.
protected void	copyValues(EntityPersister persister, Object entity, Object target, SessionImplementor source, Map copyCache)
protected void	copyValues(EntityPersister persister, Object entity, Object target, SessionImplementor source, Map copyCache, ForeignKeyDirection foreignKeyDirection)
protected void	entityIsDetached(MergeEvent event, Map copyCache)
protected void	entityIsPersistent(MergeEvent event, Map copyCache)
protected void	entityIsTransient(MergeEvent event, Map copyCache)
protected Boolean	getAssumedUnsaved()
protected CascadingAction	getCascadeAction()
protected Map	getMergeMap(Object anything)
protected org.hibernate.event.def.EventCache	getTransientCopyCache(MergeEvent event, org.hibernate.event.def.EventCache copyCache)
protected Object	mergeTransientEntity(Object entity, String entityName, Serializable requestedId, EventSource source, Map copyCache)
void	onMerge(MergeEvent event) Handle the given merge event.
void	onMerge(MergeEvent event, Map copiedAlready) Handle the given merge event.
protected void	retryMergeTransientEntities(MergeEvent event, Map transientCopyCache, org.hibernate.event.def.EventCache copyCache, boolean isNullabilityChecked)

Methods inherited from class org.hibernate.event.def.AbstractSaveEventListener

getEntityState, getLoggableName, invokeSaveLifecycle, isVersionIncrementDisabled, performSave, performSaveOrReplicate, saveWithGeneratedId, saveWithRequestedId, substituteValuesIfNecessary, validate, visitCollectionsBeforeSave

Methods inherited from class org.hibernate.event.def.AbstractReassociateEventListener

reassociate

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultMergeEventListener

public DefaultMergeEventListener()

Method Detail

getMergeMap

protected Map getMergeMap(Object anything)

Overrides:

getMergeMap in class AbstractSaveEventListener

onMerge

public void onMerge(MergeEvent event)
             throws HibernateException

Handle the given merge event.

Specified by:

onMerge in interface MergeEventListener

Parameters:

event - The merge event to be handled.

Throws:

HibernateException

getTransientCopyCache

protected org.hibernate.event.def.EventCache getTransientCopyCache(MergeEvent event,
                                                                   org.hibernate.event.def.EventCache copyCache)

retryMergeTransientEntities

protected void retryMergeTransientEntities(MergeEvent event,
                                           Map transientCopyCache,
                                           org.hibernate.event.def.EventCache copyCache,
                                           boolean isNullabilityChecked)

onMerge

public void onMerge(MergeEvent event,
                    Map copiedAlready)
             throws HibernateException

Handle the given merge event.

Specified by:

onMerge in interface MergeEventListener

Parameters:

event - The merge event to be handled.

Throws:

HibernateException

entityIsPersistent

protected void entityIsPersistent(MergeEvent event,
                                  Map copyCache)

entityIsTransient

protected void entityIsTransient(MergeEvent event,
                                 Map copyCache)

mergeTransientEntity

protected Object mergeTransientEntity(Object entity,
                                      String entityName,
                                      Serializable requestedId,
                                      EventSource source,
                                      Map copyCache)

entityIsDetached

protected void entityIsDetached(MergeEvent event,
                                Map copyCache)

copyValues

protected void copyValues(EntityPersister persister,
                          Object entity,
                          Object target,
                          SessionImplementor source,
                          Map copyCache)

copyValues

protected void copyValues(EntityPersister persister,
                          Object entity,
                          Object target,
                          SessionImplementor source,
                          Map copyCache,
                          ForeignKeyDirection foreignKeyDirection)

cascadeOnMerge

protected void cascadeOnMerge(EventSource source,
                              EntityPersister persister,
                              Object entity,
                              Map copyCache)

Perform any cascades needed as part of this copy event.

Parameters:

source - The merge event being processed.

persister - The persister of the entity being copied.

entity - The entity being copied.

copyCache - A cache of already copied instance.

getCascadeAction

protected CascadingAction getCascadeAction()

Specified by:

getCascadeAction in class AbstractSaveEventListener

getAssumedUnsaved

protected Boolean getAssumedUnsaved()

Overrides:

getAssumedUnsaved in class AbstractSaveEventListener

cascadeAfterSave

protected void cascadeAfterSave(EventSource source,
                                EntityPersister persister,
                                Object entity,
                                Object anything)
                         throws HibernateException

Cascade behavior is redefined by this subclass, disable superclass behavior

Overrides:

cascadeAfterSave in class AbstractSaveEventListener

Parameters:

source - The session from which the event originated.

persister - The entity's persister instance.

entity - The entity beng saved.

anything - Generally cascade-specific data

Throws:

HibernateException

cascadeBeforeSave

protected void cascadeBeforeSave(EventSource source,
                                 EntityPersister persister,
                                 Object entity,
                                 Object anything)
                          throws HibernateException

Cascade behavior is redefined by this subclass, disable superclass behavior

Overrides:

cascadeBeforeSave in class AbstractSaveEventListener

Parameters:

source - The session from whcih the save event originated.

persister - The entity's persister instance.

entity - The entity to be saved.

anything - Generally cascade-specific data

Throws:

HibernateException