rp.util.dom
Class DOMRelation.Left

java.lang.Object
  |
  +--rp.util.TwoList
        |
        +--rp.util.dom.DOMRelation.Endpoint
              |
              +--rp.util.dom.DOMRelation.Left

Direct Known Subclasses:

DevelopsSoftware.Left, HasFeatureReleases.Left, HasUsers.Left

Enclosing class:

DOMRelation

public abstract static class DOMRelation.Left

extends DOMRelation.Endpoint

The left endpoint of a relationship.

Nested Class Summary

Nested classes inherited from class rp.util.dom.DOMRelation.Endpoint

DOMRelation.Endpoint.Iterator

Nested classes inherited from class rp.util.TwoList

TwoList.Iterator, TwoList.IteratorA, TwoList.IteratorB

Field Summary

Fields inherited from class rp.util.TwoList

headA, headB, nextA, nextB, numsA, numsB, prevA, prevB

Constructor Summary

protected

DOMRelation.Left(DOMObject o) Initializes a left endpoint held by the specified object.

Method Summary

int	count() Returns a count of the number of relationships attached to this endpoint.
DOMObject	getOther() Returns the (first) object on the other side of the relationship or null if none.
boolean	isLeft() Indicates if this is a left endpoint.
boolean	isRight() Indicates if this is a right endpoint.
DOMObject.Iterator	iterator() Returns an iterator over all objects on the other side of the relationship.
DOMRelation.Instance.Iterator	relationIterator() Returns an iterator over all relationship instances attached to this endpoint.

Methods inherited from class rp.util.dom.DOMRelation.Endpoint

getObject, getRelation

Methods inherited from class rp.util.TwoList

addA, addB, countA, countB, decommissionAsHeadA, decommissionAsHeadB, firstA, firstB, headA, headB, initAsHeadA, initAsHeadB, isElementA, isElementB, isHeadA, isHeadB, rmA, rmB

Methods inherited from class java.lang.Object

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

Constructor Detail

DOMRelation.Left

protected DOMRelation.Left(DOMObject o)

Initializes a left endpoint held by the specified object.

Parameters:

o - the object that wishes to participate on the left side of relationships and that holds this endpoint

Method Detail

isLeft

public boolean isLeft()

Description copied from class: DOMRelation.Endpoint

Indicates if this is a left endpoint.

Overrides:

isLeft in class DOMRelation.Endpoint

Returns:

true when this is a left endpoint

isRight

public boolean isRight()

Description copied from class: DOMRelation.Endpoint

Indicates if this is a right endpoint.

Overrides:

isRight in class DOMRelation.Endpoint

Returns:

true when this is a right endpoint

count

public int count()

Description copied from class: DOMRelation.Endpoint

Returns a count of the number of relationships attached to this endpoint. Runs in O(1) time.

Specified by:

count in class DOMRelation.Endpoint

Returns:

the number of relationship instances attached to this endpoint.

getOther

public DOMObject getOther()

Description copied from class: DOMRelation.Endpoint

Returns the (first) object on the other side of the relationship or null if none.

Specified by:

getOther in class DOMRelation.Endpoint

relationIterator

public DOMRelation.Instance.Iterator relationIterator()

Description copied from class: DOMRelation.Endpoint

Returns an iterator over all relationship instances attached to this endpoint.

Specified by:

relationIterator in class DOMRelation.Endpoint

Returns:

a new iterator initialized to the start of the list of relationship instances attached to this endpoint

iterator

public DOMObject.Iterator iterator()

Description copied from class: DOMRelation.Endpoint

Returns an iterator over all objects on the other side of the relationship.

Specified by:

iterator in class DOMRelation.Endpoint

Returns:

a new iterator initialized to the start of the list of objects on the other side from this endpoint