org.apache.cayenne.util

Class DeleteRuleUpdater

java.lang.Object

org.apache.cayenne.util.DeleteRuleUpdater

All Implemented Interfaces:

EntityMergeListener

public class DeleteRuleUpdater
extends Object
implements EntityMergeListener

DeleteRuleUpdater is responsible for auto-setting delete rules for object relationships

Constructor Summary

Constructors

Constructor and Description
DeleteRuleUpdater()

Method Summary

Modifier and Type	Method and Description
static EntityMergeListener	getEntityMergeListener() Returns EntityMergeListener instance, which can set delete rule at relationship change
void	objAttributeAdded(ObjAttribute attr) Invoked when a missing attribute in ObjEntity is completed from DbEntity
void	objRelationshipAdded(ObjRelationship rel) Invoked when a missing relationship in ObjEntity is completed from DbEntity
static void	updateDataMap(DataMap map) Updates delete rules for all obj entities in a datamap
static void	updateObjEntity(ObjEntity e) Updates delete rules for all relationships in a objentity
static void	updateObjRelationship(ObjRelationship rel) Updates delete rules for specified relationship

Methods inherited from class java.lang.Object

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

Constructor Detail

DeleteRuleUpdater

public DeleteRuleUpdater()

Method Detail

updateDataMap

public static void updateDataMap(DataMap map)

Updates delete rules for all obj entities in a datamap

updateObjEntity

public static void updateObjEntity(ObjEntity e)

Updates delete rules for all relationships in a objentity

updateObjRelationship

public static void updateObjRelationship(ObjRelationship rel)

Updates delete rules for specified relationship

objAttributeAdded

public void objAttributeAdded(ObjAttribute attr)

Description copied from interface: EntityMergeListener

Invoked when a missing attribute in ObjEntity is completed from DbEntity

Specified by:

objAttributeAdded in interface EntityMergeListener

objRelationshipAdded

public void objRelationshipAdded(ObjRelationship rel)

Description copied from interface: EntityMergeListener

Invoked when a missing relationship in ObjEntity is completed from DbEntity

Specified by:

objRelationshipAdded in interface EntityMergeListener

getEntityMergeListener

public static EntityMergeListener getEntityMergeListener()

Returns EntityMergeListener instance, which can set delete rule at relationship change