nanomunchers.graph
Class GraphFactory

java.lang.Object
  nanomunchers.graph.GraphFactory

public class GraphFactory

extends java.lang.Object

The only way to build a new graph is through the Factory.

Author:

David Kaplin

Constructor Summary

GraphFactory()

Method Summary

static Graph	buildFromParts(Node[] nodes, Edge[] edges) Creats a new graph from a set of nodes and edges
static Graph	buildGridGraph(int width, int height) Builds a graph that resembles a city grid.
static Graph	buildRandomized(Graph src, double chanceNodeRemoved) Builds a graph with a random number of edges removed
static Graph	loadFile(java.lang.String name)
static Graph	loadHttpURL(java.lang.String url) Attempts to load a graph from anywhere in the web.
static void	saveFile(java.lang.String name, Graph toSave) Saves a given graph to a file.

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphFactory

public GraphFactory()

Method Detail

buildRandomized

public static Graph buildRandomized(Graph src,
                                    double chanceNodeRemoved)

Builds a graph with a random number of edges removed

Parameters:

src - intial graph before removal

chanceNodeRemoved - 0.0 - 1.0 of removal

Returns:

a new graph that contains less edges.

buildFromParts

public static Graph buildFromParts(Node[] nodes,
                                   Edge[] edges)

Creats a new graph from a set of nodes and edges

Parameters:

nodes - from a previous graph

edges - from a previous graph

Returns:

a new graph

buildGridGraph

public static Graph buildGridGraph(int width,
                                   int height)

Builds a graph that resembles a city grid.

Parameters:

width - of the grid

height - of the grid

Returns:

a new Graph

saveFile

public static void saveFile(java.lang.String name,
                            Graph toSave)
                     throws java.io.IOException

Saves a given graph to a file.

Parameters:

name - of the file to save

toSave - Graph data to save.

Throws:

java.io.IOException - related to file issues

loadHttpURL

public static Graph loadHttpURL(java.lang.String url)
                         throws java.io.IOException

Attempts to load a graph from anywhere in the web.

Parameters:

url - location of the graph

Returns:

a new graph from the data retrieved.

Throws:

java.io.IOException - any possible problems with the file or connection.

loadFile

public static Graph loadFile(java.lang.String name)
                      throws java.io.FileNotFoundException

Throws:

java.io.FileNotFoundException