org.hibernate.envers.internal.synchronization.work

Class PersistentCollectionChangeWorkUnit

java.lang.Object

org.hibernate.envers.internal.synchronization.work.AbstractAuditWorkUnit

org.hibernate.envers.internal.synchronization.work.PersistentCollectionChangeWorkUnit

All Implemented Interfaces:

AuditWorkUnit, WorkUnitMergeDispatcher, WorkUnitMergeVisitor

public class PersistentCollectionChangeWorkUnit
extends AbstractAuditWorkUnit
implements AuditWorkUnit

Author:

Adam Warski (adam at warski dot org)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PersistentCollectionChangeWorkUnit.PersistentCollectionChangeWorkUnitId A unique identifier for a collection work unit.

Field Summary

Fields inherited from class org.hibernate.envers.internal.synchronization.work.AbstractAuditWorkUnit

auditStrategy, entityName, enversService, id, revisionType, sessionImplementor

Constructor Summary

Constructors

Constructor and Description
PersistentCollectionChangeWorkUnit(SessionImplementor sessionImplementor, String entityName, EnversService enversService, PersistentCollection collection, CollectionEntry collectionEntry, Serializable snapshot, Serializable id, String referencingPropertyName)
PersistentCollectionChangeWorkUnit(SessionImplementor sessionImplementor, String entityName, EnversService enversService, Serializable id, List<PersistentCollectionChangeData> collectionChanges, String referencingPropertyName)

Method Summary

Modifier and Type	Method and Description
boolean	containsWork()
AuditWorkUnit	dispatch(WorkUnitMergeVisitor first) Should be invoked on the second work unit.
Map<String,Object>	generateData(Object revisionData)
List<PersistentCollectionChangeData>	getCollectionChanges()
String	getReferencingPropertyName()
AuditWorkUnit	merge(AddWorkUnit second)
AuditWorkUnit	merge(CollectionChangeWorkUnit second)
AuditWorkUnit	merge(DelWorkUnit second)
AuditWorkUnit	merge(FakeBidirectionalRelationWorkUnit second)
AuditWorkUnit	merge(ModWorkUnit second)
void	perform(Session session, Object revisionData) Perform this work unit in the given session.

Methods inherited from class org.hibernate.envers.internal.synchronization.work.AbstractAuditWorkUnit

fillDataWithId, getEntityId, getEntityName, getRevisionType, isPerformed, setPerformed, undo

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.envers.internal.synchronization.work.AuditWorkUnit

getEntityId, getEntityName, getRevisionType, isPerformed, undo

Constructor Detail

PersistentCollectionChangeWorkUnit

public PersistentCollectionChangeWorkUnit(SessionImplementor sessionImplementor,
                                          String entityName,
                                          EnversService enversService,
                                          PersistentCollection collection,
                                          CollectionEntry collectionEntry,
                                          Serializable snapshot,
                                          Serializable id,
                                          String referencingPropertyName)

PersistentCollectionChangeWorkUnit

public PersistentCollectionChangeWorkUnit(SessionImplementor sessionImplementor,
                                          String entityName,
                                          EnversService enversService,
                                          Serializable id,
                                          List<PersistentCollectionChangeData> collectionChanges,
                                          String referencingPropertyName)

Method Detail

containsWork

public boolean containsWork()

Specified by:

containsWork in interface AuditWorkUnit

generateData

public Map<String,Object> generateData(Object revisionData)

Specified by:

generateData in interface AuditWorkUnit

Parameters:

revisionData - The current revision data, which will be used to populate the work unit with the correct revision relation.

Returns:

Generates data that should be saved when performing this work unit.

perform

public void perform(Session session,
                    Object revisionData)

Description copied from interface: AuditWorkUnit

Perform this work unit in the given session.

Specified by:

perform in interface AuditWorkUnit

Overrides:

perform in class AbstractAuditWorkUnit

Parameters:

session - Session, in which the work unit should be performed.

revisionData - The current revision data, which will be used to populate the work unit with the correct revision relation.

getReferencingPropertyName

public String getReferencingPropertyName()

getCollectionChanges

public List<PersistentCollectionChangeData> getCollectionChanges()

merge

public AuditWorkUnit merge(AddWorkUnit second)

Specified by:

merge in interface WorkUnitMergeVisitor

merge

public AuditWorkUnit merge(ModWorkUnit second)

Specified by:

merge in interface WorkUnitMergeVisitor

merge

public AuditWorkUnit merge(DelWorkUnit second)

Specified by:

merge in interface WorkUnitMergeVisitor

merge

public AuditWorkUnit merge(CollectionChangeWorkUnit second)

Specified by:

merge in interface WorkUnitMergeVisitor

merge

public AuditWorkUnit merge(FakeBidirectionalRelationWorkUnit second)

Specified by:

merge in interface WorkUnitMergeVisitor

dispatch

public AuditWorkUnit dispatch(WorkUnitMergeVisitor first)

Description copied from interface: WorkUnitMergeDispatcher

Should be invoked on the second work unit.

Specified by:

dispatch in interface WorkUnitMergeDispatcher

Parameters:

first - First work unit (that is, the one added earlier).

Returns:

The work unit that is the result of the merge.