org.apache.cayenne.dbsync.merge.context

Class EntityMergeSupport

java.lang.Object

org.apache.cayenne.dbsync.merge.context.EntityMergeSupport

public class EntityMergeSupport
extends Object

Implements methods for entity merging.

Constructor Summary

Constructors

Constructor and Description
EntityMergeSupport(ObjectNameGenerator nameGenerator, NameFilter meaningfulPKsFilter, boolean removingMeaningfulFKs, boolean usingPrimitives, boolean usingJava7Types)

Method Summary

Modifier and Type	Method and Description
void	addEntityMergeListener(EntityMergeListener listener) Registers new EntityMergeListener
Collection<DbAttribute>	getMeaningfulFKs(ObjEntity objEntity) Returns a list of DbAttributes that are mapped to foreign keys.
protected List<DbRelationship>	getRelationshipsToAdd(ObjEntity objEntity)
boolean	isRemovingMeaningfulFKs()
void	removeEntityMergeListener(EntityMergeListener listener) Unregisters an EntityMergeListener
void	setNameGenerator(ObjectNameGenerator nameGenerator)
boolean	synchronizeOnDbAttributeAdded(ObjEntity entity, DbAttribute dbAttribute)
boolean	synchronizeOnDbRelationshipAdded(ObjEntity entity, DbRelationship dbRelationship)
boolean	synchronizeWithDbEntities(Iterable<ObjEntity> objEntities) Updates each one of the collection of ObjEntities, adding attributes and relationships based on the current state of its DbEntity.
boolean	synchronizeWithDbEntity(ObjEntity entity) Updates ObjEntity attributes and relationships based on the current state of its DbEntity.

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityMergeSupport

public EntityMergeSupport(ObjectNameGenerator nameGenerator,
                          NameFilter meaningfulPKsFilter,
                          boolean removingMeaningfulFKs,
                          boolean usingPrimitives,
                          boolean usingJava7Types)

Method Detail

isRemovingMeaningfulFKs

public boolean isRemovingMeaningfulFKs()

synchronizeWithDbEntities

public boolean synchronizeWithDbEntities(Iterable<ObjEntity> objEntities)

Updates each one of the collection of ObjEntities, adding attributes and relationships based on the current state of its DbEntity.

Returns:

true if any ObjEntity has changed as a result of synchronization.

synchronizeWithDbEntity

public boolean synchronizeWithDbEntity(ObjEntity entity)

Updates ObjEntity attributes and relationships based on the current state of its DbEntity.

Returns:

true if the ObjEntity has changed as a result of synchronization.

synchronizeOnDbAttributeAdded

public boolean synchronizeOnDbAttributeAdded(ObjEntity entity,
                                             DbAttribute dbAttribute)

Since:

4.0

synchronizeOnDbRelationshipAdded

public boolean synchronizeOnDbRelationshipAdded(ObjEntity entity,
                                                DbRelationship dbRelationship)

Since:

4.0

getMeaningfulFKs

public Collection<DbAttribute> getMeaningfulFKs(ObjEntity objEntity)

Returns a list of DbAttributes that are mapped to foreign keys.

Since:

1.2

getRelationshipsToAdd

protected List<DbRelationship> getRelationshipsToAdd(ObjEntity objEntity)

addEntityMergeListener

public void addEntityMergeListener(EntityMergeListener listener)

Registers new EntityMergeListener

removeEntityMergeListener

public void removeEntityMergeListener(EntityMergeListener listener)

Unregisters an EntityMergeListener

setNameGenerator

public void setNameGenerator(ObjectNameGenerator nameGenerator)