org.apache.cayenne.map

Class EntityInheritanceTree

java.lang.Object

org.apache.cayenne.map.EntityInheritanceTree

public class EntityInheritanceTree
extends Object

A tree structure representing inheritance hierarchy of an ObjEntity and its subentities.

Since:

1.1

Field Summary

Fields

Modifier and Type	Field and Description
protected ObjEntity	entity
protected Expression	normalizedQualifier
protected Collection<EntityInheritanceTree>	subentities

Constructor Summary

Constructors

Constructor and Description
EntityInheritanceTree(ObjEntity entity)

Method Summary

Methods

Modifier and Type	Method and Description
void	addChildNode(EntityInheritanceTree node)
Collection<ObjAttribute>	allAttributes()
Collection<ObjRelationship>	allRelationships()
Collection<ObjEntity>	allSubEntities() Returns a collection containing this inheritance tree node entity and all its subentities.
protected void	appendDeclaredAttributes(Collection<ObjAttribute> c)
protected void	appendDeclaredRelationships(Collection<ObjRelationship> c)
ObjEntity	entityMatchingRow(DataRow row) Returns the deepest possible entity in the inheritance hierarchy that can be used to create objects from a given DataRow.
Collection<EntityInheritanceTree>	getChildren()
int	getChildrenCount()
Expression	getDbQualifier() Returns entity qualifier expressed as DB path qualifier or null if entity has no qualifier.
ObjEntity	getEntity()
Expression	qualifierForEntityAndSubclasses() Returns a qualifier Expression that matches root entity of this tree and all its subentities.

Methods inherited from class java.lang.Object

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

Field Detail

entity

protected ObjEntity entity

subentities

protected Collection<EntityInheritanceTree> subentities

normalizedQualifier

protected Expression normalizedQualifier

Constructor Detail

EntityInheritanceTree

public EntityInheritanceTree(ObjEntity entity)

Method Detail

qualifierForEntityAndSubclasses

public Expression qualifierForEntityAndSubclasses()

Returns a qualifier Expression that matches root entity of this tree and all its subentities.

entityMatchingRow

public ObjEntity entityMatchingRow(DataRow row)

Returns the deepest possible entity in the inheritance hierarchy that can be used to create objects from a given DataRow.

getDbQualifier

public Expression getDbQualifier()

Returns entity qualifier expressed as DB path qualifier or null if entity has no qualifier.

Since:

3.0

addChildNode

public void addChildNode(EntityInheritanceTree node)

getChildrenCount

public int getChildrenCount()

getChildren

public Collection<EntityInheritanceTree> getChildren()

getEntity

public ObjEntity getEntity()

allSubEntities

public Collection<ObjEntity> allSubEntities()

Returns a collection containing this inheritance tree node entity and all its subentities.

Since:

3.0

allAttributes

public Collection<ObjAttribute> allAttributes()

allRelationships

public Collection<ObjRelationship> allRelationships()

appendDeclaredAttributes

protected void appendDeclaredAttributes(Collection<ObjAttribute> c)

appendDeclaredRelationships

protected void appendDeclaredRelationships(Collection<ObjRelationship> c)