org.jorlib.io.tspLibReader.graph

Class Edge

java.lang.Object

org.jorlib.io.tspLibReader.graph.Edge

public class Edge
extends Object

An edge between two nodes.

Author:

David Hadka

Constructor Summary

Constructors

Constructor and Description
Edge(int id1, int id2) Constructs an edge between two nodes.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
int	getId1() Returns the identifier of the first node.
int	getId2() Returns the identifier of the second node.
int	getOppositeEndpoint(int id) Returns the opposite endpoint of this edge.
boolean	hasEndpoint(int id) Returns true if either endpoint of this edge is the specified node; false otherwise.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Edge

public Edge(int id1,
            int id2)

Constructs an edge between two nodes.

Parameters:

id1 - the identifier of the first node

id2 - the identifier of the second node

Method Detail

getId1

public int getId1()

Returns the identifier of the first node.

Returns:

the identifier of the first node

getId2

public int getId2()

Returns the identifier of the second node.

Returns:

the identifier of the second node

hasEndpoint

public boolean hasEndpoint(int id)

Returns true if either endpoint of this edge is the specified node; false otherwise.

Parameters:

id - the identifier of the node

Returns:

true if either endpoint of this edge is the specified node; false otherwis

getOppositeEndpoint

public int getOppositeEndpoint(int id)

Returns the opposite endpoint of this edge.

Parameters:

id - the identifier of the one endpoint

Returns:

the opposite endpoint of this edge

Throws:

IllegalArgumentException - if this edge does not have the any endpoint with the specified identifier

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object