com.net2plan.libraries

Class GraphUtils.JUNGUtils

java.lang.Object

com.net2plan.libraries.GraphUtils.JUNGUtils

Enclosing class:

GraphUtils

public static class GraphUtils.JUNGUtils
extends java.lang.Object

Auxiliary class to work with the graph library JUNG.

Since:

0.2.0

Author:

Pablo Pavon-Marino, Jose-Luis Izquierdo-Zaragoza

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GraphUtils.JUNGUtils.GraphPath<E> Class to represent a path in a Graph.

Constructor Summary

Constructors

Constructor and Description
GraphUtils.JUNGUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static	getDemandLayerGraph(NetPlan netPlan) Returns a graph representing the traffic demands (nodes and links) of the network plan.
static	getEdgeWeightTransformer(double[] edgeWeightVector) Obtains a transformer for returning link weight from link identifier
static	getEdgeWeightTransformer(int[] edgeWeightVector) Obtains a transformer for returning link weight from link identifier
static	getGraphFromLinkTable(int[][] linkTable, int N) Obtains a JUNG graph from a given link table.
static <E> double	getPathWeight(java.util.List<E> path, edgeWeightTransformer) Returns the weight of a path given the sequence of edges.
static	getPhysicalLayerGraph(NetPlan netPlan) Returns a graph representing the physical topology (nodes and links) of the network plan.

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphUtils.JUNGUtils

public GraphUtils.JUNGUtils()

Method Detail

getGraphFromLinkTable

public static  getGraphFromLinkTable(int[][] linkTable,
                          int N)

Obtains a JUNG graph from a given link table.

Parameters:

linkTable - Set of installed links (first column: origin node, second column: destination node)

N - Number of nodes

Returns:

JUNG graph

Since:

0.2.0

getPathWeight

public static <E> double getPathWeight(java.util.List<E> path,
                        edgeWeightTransformer)

Returns the weight of a path given the sequence of edges.

Type Parameters:

E - Class type for edges

Parameters:

path - Sequence of edge

edgeWeightTransformer - The class responsible for returning weights for edges

Returns:

Path weight

Since:

0.2.0

getEdgeWeightTransformer

public static  getEdgeWeightTransformer(double[] edgeWeightVector)

Obtains a transformer for returning link weight from link identifier

Parameters:

edgeWeightVector - Link weights

Returns:

A transformer for returning weights for edges

Since:

0.2.0

getEdgeWeightTransformer

public static  getEdgeWeightTransformer(int[] edgeWeightVector)

Obtains a transformer for returning link weight from link identifier

Parameters:

edgeWeightVector - Link weights

Returns:

A transformer for returning weights for edges

Since:

0.2.0

getDemandLayerGraph

public static  getDemandLayerGraph(NetPlan netPlan)

Returns a graph representing the traffic demands (nodes and links) of the network plan.

Parameters:

netPlan - A network plan

Returns:

A graph representing the traffic demands of the network plan

Since:

0.2.0

getPhysicalLayerGraph

public static  getPhysicalLayerGraph(NetPlan netPlan)

Returns a graph representing the physical topology (nodes and links) of the network plan.

Parameters:

netPlan - A network plan

Returns:

A graph representing the physical topology of the network plan

Since:

0.2.0