generator2
Class ConstantObjectGenerator

java.lang.Object
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  +--generator2.ObjectGenerator
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        +--generator2.ConstantObjectGenerator

public class ConstantObjectGenerator

extends ObjectGenerator

Example for an object generator garanteeing a constant number of moving objects during all time stamps.

Field Summary

protected java.util.Stack

deadObjs Container of dead objects.

Fields inherited from class generator2.ObjectGenerator

currId, dataspace, maxLength, node, nodes, numOfGeneratedNodes, numOfObjAtBeginning, numOfObjPerTime, objClasses, properties, random, time, totalLength

Constructor Summary

ConstantObjectGenerator(java.util.Properties properties, Time time, DataSpace ds, Nodes nodes, ObjectClasses objClasses, int numOfObjPerTime, int numOfObjAtBeginning)
ConstantObjectGenerator constructor.

Method Summary

Node	computeDestinationNode(int time, Node startingNode, int length, int objClass) Computes a new destination node of a route.
int	computeId(int currTime) Returns the identifier of the next new moving object.
int	computeObjectClass(int currTime) Computes the object class of a new object.
Node	computeStartingNode(int time, int objClass) Computes a new starting node.
int	numberOfNewObjects(int time) Returns the number of new objects at a time stamp.
void	reachDestination(MovingObject obj) Stores the object for using its properties for new objects.

Methods inherited from class generator2.ObjectGenerator

computeLengthOfRoute, getAverageRouteLength

Methods inherited from class java.lang.Object

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

Field Detail

deadObjs

protected java.util.Stack deadObjs

Container of dead objects.

Constructor Detail

ConstantObjectGenerator

public ConstantObjectGenerator(java.util.Properties properties,
                               Time time,
                               DataSpace ds,
                               Nodes nodes,
                               ObjectClasses objClasses,
                               int numOfObjPerTime,
                               int numOfObjAtBeginning)

ConstantObjectGenerator constructor.

Parameters:

properties - properties of the generator

time - the time object

nodes - the nodes of the network

objClasses - description of the object classes

numOfObjPerTime - indicator for the number of objects per time

numOfObjAtBeginning - indicator for the number of moving objects at the beginning

Method Detail

computeDestinationNode

public Node computeDestinationNode(int time,
                                   Node startingNode,
                                   int length,
                                   int objClass)

Computes a new destination node of a route.

Overrides:

computeDestinationNode in class ObjectGenerator

Parameters:

time - the time stamp

startingNode - the starting node of the route

length - preferred length of the route

objClass - the class of the object

Returns:

starting node

computeId

public int computeId(int currTime)

Returns the identifier of the next new moving object.

Overrides:

computeId in class ObjectGenerator

Parameters:

currTime - the current time

Returns:

the id

computeObjectClass

public int computeObjectClass(int currTime)

Computes the object class of a new object.

Overrides:

computeObjectClass in class ObjectGenerator

Parameters:

currTime - the current time

Returns:

the class

computeStartingNode

public Node computeStartingNode(int time,
                                int objClass)

Computes a new starting node.

Overrides:

computeStartingNode in class ObjectGenerator

Parameters:

time - the time stamp

objClass - the class of the object

Returns:

starting node

numberOfNewObjects

public int numberOfNewObjects(int time)

Returns the number of new objects at a time stamp.

Overrides:

numberOfNewObjects in class ObjectGenerator

Parameters:

time - the time stamp

Returns:

number of objects

reachDestination

public void reachDestination(MovingObject obj)

Stores the object for using its properties for new objects.

Overrides:

reachDestination in class ObjectGenerator

Parameters:

obj - the moving object