org.javanetworkanalyzer.data
Class VCentImpl

java.lang.Object
  org.javanetworkanalyzer.data.VId
      org.javanetworkanalyzer.data.VPredImpl
          org.javanetworkanalyzer.data.VCentImpl

All Implemented Interfaces:

VCent, VPred

public class VCentImpl
extends VPredImpl
implements VCent

Centrality vertex implementation.

Author:

Adam Gouge

Field Summary

protected double	dependency Dependency of this node on any other vertex.
protected long	spCount Number of shortest paths leading to this node starting from a certain source.

Constructor Summary

VCentImpl(Integer id)
Constructor: sets the id; sets the shortest paths count, dependency, betweenness and closeness to zero.

Method Summary

void	accumulateBetweenness(double additionalBetweenness) Accumulates the betweenness value in each run by adding the new betweenness value to the old
void	accumulateDependency(double additionalDependency) Accumulates the dependency of this node
void	accumulateSPCount(long additionalSPCount) Accumulates the number of shortest paths leading to this node
double	getBetweenness() Gets the betweenness value for this node.
double	getCloseness() Returns the closeness.
double	getDependency() Gets the dependency of this node to any other vertex
long	getSPCount() Gets the number of shortest paths to this node
void	reset() Resets the shortest path count and dependency to zero.
void	setBetweenness(double betweenness) Sets the betweenness.
void	setCloseness(double closeness) Sets the closeness.
void	setSource() Sets the shortest path count to one and the dependency to zero.
void	setSPCount(long newSPCount) Resets the number of shortest paths leading to this node

Methods inherited from class org.javanetworkanalyzer.data.VPredImpl

addPredecessor, addPredecessorEdge, clear, getPredecessorEdges, getPredecessors

Methods inherited from class org.javanetworkanalyzer.data.VId

getID, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.javanetworkanalyzer.data.VCent

getID, getPredecessors

Methods inherited from interface org.javanetworkanalyzer.data.VPred

addPredecessor, addPredecessorEdge, clear, getPredecessorEdges

Field Detail

spCount

protected long spCount

Number of shortest paths leading to this node starting from a certain source.

dependency

protected double dependency

Dependency of this node on any other vertex.

Constructor Detail

VCentImpl

public VCentImpl(Integer id)

Constructor: sets the id; sets the shortest paths count, dependency, betweenness and closeness to zero.

Parameters:

id - Node id

Method Detail

reset

public void reset()

Description copied from interface: VCent

Resets the shortest path count and dependency to zero.

Specified by:

reset in interface VCent

setSource

public void setSource()

Description copied from interface: VCent

Sets the shortest path count to one and the dependency to zero.

Specified by:

setSource in interface VCent

getSPCount

public long getSPCount()

Description copied from interface: VCent

Gets the number of shortest paths to this node

Specified by:

getSPCount in interface VCent

Returns:

spCount Number of shortest paths to this node

accumulateSPCount

public void accumulateSPCount(long additionalSPCount)

Description copied from interface: VCent

Accumulates the number of shortest paths leading to this node

Specified by:

accumulateSPCount in interface VCent

Parameters:

additionalSPCount - Number of further shortest paths leading to this node

setSPCount

public void setSPCount(long newSPCount)

Description copied from interface: VCent

Resets the number of shortest paths leading to this node

Specified by:

setSPCount in interface VCent

Parameters:

newSPCount - New number shortest paths leading to this node

getDependency

public double getDependency()

Description copied from interface: VCent

Gets the dependency of this node to any other vertex

Specified by:

getDependency in interface VCent

Returns:

dependency Dependency of this node to any other vertex

accumulateDependency

public void accumulateDependency(double additionalDependency)

Description copied from interface: VCent

Accumulates the dependency of this node

Specified by:

accumulateDependency in interface VCent

Parameters:

additionalDependency - New dependency to be added

getBetweenness

public double getBetweenness()

Description copied from interface: VCent

Gets the betweenness value for this node.

Specified by:

getBetweenness in interface VCent

Returns:

The betweenness value of this node.

accumulateBetweenness

public void accumulateBetweenness(double additionalBetweenness)

Description copied from interface: VCent

Accumulates the betweenness value in each run by adding the new betweenness value to the old

Specified by:

accumulateBetweenness in interface VCent

Parameters:

additionalBetweenness - betweenness value from a run starting at certain source node

setBetweenness

public void setBetweenness(double betweenness)

Description copied from interface: VCent

Sets the betweenness.

Specified by:

setBetweenness in interface VCent

Parameters:

betweenness - The betweenness to set.

getCloseness

public double getCloseness()

Description copied from interface: VCent

Returns the closeness.

Specified by:

getCloseness in interface VCent

Returns:

The closeness.

setCloseness

public void setCloseness(double closeness)

Description copied from interface: VCent

Sets the closeness.

Specified by:

setCloseness in interface VCent

Parameters:

closeness - The closeness to set.