org.openstreetmap.josm.data.osm

Class NodePair

java.lang.Object

org.openstreetmap.josm.data.osm.NodePair

public class NodePair
extends java.lang.Object

A directed pair of nodes (a,b != b,a).

Since:

12463 (extracted from CombineWayAction)

Field Summary

Fields

Modifier and Type	Field and Description
private Node	a
private Node	b

Constructor Summary

Constructors

Constructor and Description
NodePair(Node a, Node b) Constructs a new NodePair.
NodePair(Pair<Node,Node> pair) Constructs a new NodePair.

Method Summary

Modifier and Type	Method and Description
boolean	contains(Node n) Determines if this pair contains the given node.
boolean	equals(java.lang.Object obj)
Node	getA() Replies the first node.
Node	getB() Replies the second node
int	hashCode()
boolean	isPredecessorOf(NodePair other) Determines if this pair is predecessor of another one (this.b == other.a)
boolean	isSuccessorOf(NodePair other) Determines if this pair is successor of another one (other.b == this.a)
NodePair	swap() Returns the inversed pair.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

a

private final Node a

b

private final Node b

Constructor Detail

NodePair

public NodePair(Node a,
                Node b)

Constructs a new NodePair.

Parameters:

a - The first node

b - The second node

NodePair

public NodePair(Pair<Node,Node> pair)

Constructs a new NodePair.

Parameters:

pair - An existing Pair of nodes

Method Detail

getA

public Node getA()

Replies the first node.

Returns:

The first node

getB

public Node getB()

Replies the second node

Returns:

The second node

isSuccessorOf

public boolean isSuccessorOf(NodePair other)

Determines if this pair is successor of another one (other.b == this.a)

Parameters:

other - other pair

Returns:

true if other.b == this.a

isPredecessorOf

public boolean isPredecessorOf(NodePair other)

Determines if this pair is predecessor of another one (this.b == other.a)

Parameters:

other - other pair

Returns:

true if this.b == other.a

swap

public NodePair swap()

Returns the inversed pair.

Returns:

swapped copy

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

contains

public boolean contains(Node n)

Determines if this pair contains the given node.

Parameters:

n - The node to look for

Returns:

true if n is in the pair, false otherwise

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object