# 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
  Description
  `protected final ObjEntity`
  `entity`
  `protected Expression`
  `normalizedQualifier`
  `protected EntityInheritanceTree`
  `parent`
  `protected Collection<EntityInheritanceTree>`
  `subentities`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `EntityInheritanceTree(ObjEntity entity)`

- ## Method Summary

  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.

  ### Methods inherited from class Object

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

- ## Field Details

  - ### entity

    protected final ObjEntity entity

  - ### parent

    protected EntityInheritanceTree parent

  - ### subentities

    protected Collection<EntityInheritanceTree> subentities

  - ### normalizedQualifier

    protected Expression normalizedQualifier

- ## Constructor Details

  - ### EntityInheritanceTree

    public EntityInheritanceTree(ObjEntity entity)

- ## Method Details

  - ### 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)