org.hibernate.envers.event.spi

Class BaseEnversCollectionEventListener

java.lang.Object

org.hibernate.envers.event.spi.BaseEnversEventListener

org.hibernate.envers.event.spi.BaseEnversCollectionEventListener

All Implemented Interfaces:

EnversListener

Direct Known Subclasses:

EnversPostCollectionRecreateEventListenerImpl, EnversPreCollectionRemoveEventListenerImpl, EnversPreCollectionUpdateEventListenerImpl

public abstract class BaseEnversCollectionEventListener
extends BaseEnversEventListener

Base class for Envers' collection event related listeners

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BaseEnversCollectionEventListener(org.hibernate.envers.boot.internal.EnversService enversService)

Method Summary

Modifier and Type	Method and Description
protected org.hibernate.engine.spi.CollectionEntry	getCollectionEntry(org.hibernate.event.spi.AbstractCollectionEvent event)
protected Serializable	initializeCollection(org.hibernate.event.spi.AbstractCollectionEvent event) Forces persistent collection initialization.
protected void	onCollectionAction(org.hibernate.event.spi.AbstractCollectionEvent event, org.hibernate.collection.spi.PersistentCollection newColl, Serializable oldColl, org.hibernate.engine.spi.CollectionEntry collectionEntry)
protected void	onCollectionActionInversed(org.hibernate.event.spi.AbstractCollectionEvent event, org.hibernate.collection.spi.PersistentCollection newColl, Serializable oldColl, org.hibernate.engine.spi.CollectionEntry collectionEntry)
protected boolean	shouldGenerateRevision(org.hibernate.event.spi.AbstractCollectionEvent event) Checks whether modification of not-owned relation field triggers new revision and owner entity is versioned.

Methods inherited from class org.hibernate.envers.event.spi.BaseEnversEventListener

checkIfTransactionInProgress, generateBidirectionalCollectionChangeWorkUnits, getEnversService

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseEnversCollectionEventListener

protected BaseEnversCollectionEventListener(org.hibernate.envers.boot.internal.EnversService enversService)

Method Detail

getCollectionEntry

protected final org.hibernate.engine.spi.CollectionEntry getCollectionEntry(org.hibernate.event.spi.AbstractCollectionEvent event)

onCollectionAction

protected final void onCollectionAction(org.hibernate.event.spi.AbstractCollectionEvent event,
                                        org.hibernate.collection.spi.PersistentCollection newColl,
                                        Serializable oldColl,
                                        org.hibernate.engine.spi.CollectionEntry collectionEntry)

onCollectionActionInversed

protected final void onCollectionActionInversed(org.hibernate.event.spi.AbstractCollectionEvent event,
                                                org.hibernate.collection.spi.PersistentCollection newColl,
                                                Serializable oldColl,
                                                org.hibernate.engine.spi.CollectionEntry collectionEntry)

initializeCollection

protected Serializable initializeCollection(org.hibernate.event.spi.AbstractCollectionEvent event)

Forces persistent collection initialization.

Parameters:

event - Collection event.

Returns:

Stored snapshot.

shouldGenerateRevision

protected boolean shouldGenerateRevision(org.hibernate.event.spi.AbstractCollectionEvent event)

Checks whether modification of not-owned relation field triggers new revision and owner entity is versioned.

Parameters:

event - Collection event.

Returns:

true if revision based on given event should be generated, false otherwise.