Package org.apache.cayenne.map
Class EntityInheritanceTree
- java.lang.Object
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- org.apache.cayenne.map.EntityInheritanceTree
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public class EntityInheritanceTree extends Object
A tree structure representing inheritance hierarchy of an ObjEntity and its subentities.- Since:
- 1.1
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Field Summary
Fields Modifier and Type Field Description protected ObjEntity
entity
protected Expression
normalizedQualifier
protected EntityInheritanceTree
parent
protected Collection<EntityInheritanceTree>
subentities
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Constructor Summary
Constructors Constructor Description EntityInheritanceTree(ObjEntity entity)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method 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.
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Field Detail
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entity
protected final ObjEntity entity
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parent
protected EntityInheritanceTree parent
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subentities
protected Collection<EntityInheritanceTree> subentities
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normalizedQualifier
protected Expression normalizedQualifier
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Constructor Detail
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EntityInheritanceTree
public EntityInheritanceTree(ObjEntity entity)
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Method Detail
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qualifierForEntityAndSubclasses
public Expression qualifierForEntityAndSubclasses()
Returns a qualifier Expression that matches root entity of this tree and all its subentities.
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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.
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getDbQualifier
public Expression getDbQualifier()
Returns entity qualifier expressed as DB path qualifier or null if entity has no qualifier.- Since:
- 3.0
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addChildNode
public void addChildNode(EntityInheritanceTree node)
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getChildrenCount
public int getChildrenCount()
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getChildren
public Collection<EntityInheritanceTree> getChildren()
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getEntity
public ObjEntity getEntity()
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allSubEntities
public Collection<ObjEntity> allSubEntities()
Returns a collection containing this inheritance tree node entity and all its subentities.- Since:
- 3.0
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allAttributes
public Collection<ObjAttribute> allAttributes()
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allRelationships
public Collection<ObjRelationship> allRelationships()
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appendDeclaredAttributes
protected void appendDeclaredAttributes(Collection<ObjAttribute> c)
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appendDeclaredRelationships
protected void appendDeclaredRelationships(Collection<ObjRelationship> c)
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