Package org.neo4j.graphalgo.pagerank

Class BaseComputeStep

java.lang.Object

org.neo4j.graphalgo.pagerank.BaseComputeStep

All Implemented Interfaces:

java.lang.Runnable, ComputeStep

public abstract class BaseComputeStep
extends java.lang.Object
implements ComputeStep

Field Summary

Fields

Modifier and Type	Field	Description
protected double	tolerance

Method Summary

Modifier and Type	Method	Description
double[]	deltas()
void	getPageRankResult(org.neo4j.graphalgo.core.utils.paged.HugeDoubleArray result)
float[][]	nextScores()
boolean	partitionIsStable()
void	prepareNextIteration(float[][] prevScores)
void	prepareNormalizeDeltas(double l2Norm)
void	run()
void	setStarts(long[] starts, int[] lengths)

Methods inherited from class java.lang.Object

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

Field Detail

tolerance

protected double tolerance

Method Detail

setStarts

public void setStarts(long[] starts,
                      int[] lengths)

Specified by:

setStarts in interface ComputeStep

run

public void run()

Specified by:

run in interface java.lang.Runnable

prepareNormalizeDeltas

public void prepareNormalizeDeltas(double l2Norm)

Specified by:

prepareNormalizeDeltas in interface ComputeStep

prepareNextIteration

public void prepareNextIteration(float[][] prevScores)

Specified by:

prepareNextIteration in interface ComputeStep

nextScores

public float[][] nextScores()

Specified by:

nextScores in interface ComputeStep

getPageRankResult

public void getPageRankResult(org.neo4j.graphalgo.core.utils.paged.HugeDoubleArray result)

Specified by:

getPageRankResult in interface ComputeStep

deltas

public double[] deltas()

Specified by:

deltas in interface ComputeStep

partitionIsStable

public boolean partitionIsStable()

Specified by:

partitionIsStable in interface ComputeStep