broadwick.graph

Class Edge<V extends Vertex>

java.lang.Object

broadwick.graph.Edge<V>

Type Parameters:

V - the type of vertices on the edges.

All Implemented Interfaces:

Serializable

public class Edge<V extends Vertex>
extends Object
implements Serializable

This class represents a generic edge in a graph.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private Collection<EdgeAttribute>	attributes
protected V	destination
protected String	id
protected V	source
protected Double	weight

Constructor Summary

Constructors

Constructor and Description
Edge(String id) A generic edge for a graph object.
Edge(String id, V source, V destination) A generic edge for a graph object.
Edge(String id, V source, V destination, Double weight) A generic edge for a graph object.
Edge(V source, V destination) A generic edge for a graph object.
Edge(V source, V destination, Double weight) A generic edge for a graph object.

Method Summary

Modifier and Type	Method and Description
boolean	addAttribute(EdgeAttribute attribute) Add an attribute to the edge.
protected void	finalize()
EdgeAttribute	getAttributeByName(String attributeName) Obtain an attribute of this edge by the attributes name.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

id

protected String id

source

protected V extends Vertex source

destination

protected V extends Vertex destination

weight

protected Double weight

attributes

private Collection<EdgeAttribute> attributes

Constructor Detail

Edge

public Edge(String id)

A generic edge for a graph object.

Parameters:

id - an id for the edge.

Edge

public Edge(String id,
            V source,
            V destination)

A generic edge for a graph object.

Parameters:

id - an id for the edge.

source - the source of the edge.

destination - the destination of the edge.

Edge

public Edge(V source,
            V destination)

A generic edge for a graph object.

Parameters:

source - the source of the edge.

destination - the destination of the edge.

Edge

public Edge(V source,
            V destination,
            Double weight)

A generic edge for a graph object.

Parameters:

source - the source of the edge.

destination - the destination of the edge.

weight - the weight attached to the edge.

Edge

public Edge(String id,
            V source,
            V destination,
            Double weight)

A generic edge for a graph object.

Parameters:

id - an id for the edge.

source - the source of the edge.

destination - the destination of the edge.

weight - the weight attached to the edge.

Method Detail

toString

public String toString()

Overrides:

toString in class Object

getAttributeByName

public final EdgeAttribute getAttributeByName(String attributeName)

Obtain an attribute of this edge by the attributes name.

Parameters:

attributeName - the name of the attribute to be found.

Returns:

the attribute (or null if no attribute matches the name).

addAttribute

public final boolean addAttribute(EdgeAttribute attribute)

Add an attribute to the edge.

Parameters:

attribute - the attribute to be added.

Returns:

true if the collection of attributes changed as a result of the call

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable