Package casa.lepton.walk

Class GraphWalk

java.lang.Object

casa.lepton.walk.GraphWalk

All Implemented Interfaces:

Walk

Direct Known Subclasses:

DynGraphWalk, LimitedAreaGraphWalk, TractorWalk

public class GraphWalk
extends Object
implements Walk

An instance of type GraphWalk defines a mobility model for a random walk that follows edges in a geo-referenced graph.

Field Summary

Fields

Modifier and Type	Field	Description
casa.util.geom.AreaCar	area
org.graphstream.graph.Graph	graph
double	maxSpeed
long	maxWait
double	minSpeed
long	minWait
String	pauseType
Random	random
protected static GraphWalk	walk_

Constructor Summary

Constructors

Constructor	Description
GraphWalk(casa.util.geom.AreaCar area, long minWait, long maxWait, double minSpeed, double maxSpeed, org.graphstream.graph.Graph graph, String pauseType, Random random)

Method Summary

Modifier and Type	Method	Description
casa.util.geom.AreaCar	getArea()	Returns the area in which this walk is defined.
static GraphWalk	getDefault(OppNodeProperties props)	Creates and returns an instance of GraphWalk, using system properties (if defined) in order to initialize this object, and using default values otherwise.
casa.util.geom.Shape	getShape(String id)
org.graphstream.graph.Path	getShortestPath(String departureNode, String targetNode)
Walker	getWalker(long time, String nodeId)	Returns a new Walker that will move according to the mobility model implemented in this instance of Walk.
void	putShape(String id, casa.util.geom.Shape shape)
protected static org.graphstream.graph.Graph	readGraph(String fname)

Methods inherited from class java.lang.Object

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

Field Details

area

public casa.util.geom.AreaCar area

minWait

public long minWait

maxWait

public long maxWait

minSpeed

public double minSpeed

maxSpeed

public double maxSpeed

pauseType

public String pauseType

graph

public org.graphstream.graph.Graph graph

random

public Random random

walk_

protected static GraphWalk walk_

Constructor Details

GraphWalk

public GraphWalk(casa.util.geom.AreaCar area,
 long minWait,
 long maxWait,
 double minSpeed,
 double maxSpeed,
 org.graphstream.graph.Graph graph,
 String pauseType,
 Random random)

Method Details

getDefault

public static GraphWalk getDefault(OppNodeProperties props)

Creates and returns an instance of GraphWalk, using system properties (if defined) in order to initialize this object, and using default values otherwise.

Returns:

a GraphWalk object, initialized using either system properties or default values

readGraph

protected static org.graphstream.graph.Graph readGraph(String fname)

getWalker

public Walker getWalker(long time,
 String nodeId)

Description copied from interface: Walk

Returns a new Walker that will move according to the mobility model implemented in this instance of Walk.

Specified by:

getWalker in interface Walk

Parameters:

time - the time of creation of this walker

Returns:

a new Walker, whose mobility starts at the specified time

getShortestPath

public org.graphstream.graph.Path getShortestPath(String departureNode,
 String targetNode)

putShape

public void putShape(String id,
 casa.util.geom.Shape shape)

getShape

public casa.util.geom.Shape getShape(String id)

getArea

public casa.util.geom.AreaCar getArea()

Description copied from interface: Walk

Returns the area in which this walk is defined.

Specified by:

getArea in interface Walk

Returns:

the AreaCar in which this walk is defined