Package se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.evolutionaryAlgorithm

Class TerminationCriterionBase

java.lang.Object

se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.evolutionaryAlgorithm.TerminationCriterionBase

All Implemented Interfaces:

TerminationCriterion

Direct Known Subclasses:

TerminateByDistancePercAvg, TerminateByDistancePercAvgDynamicG, TerminateByDistancePercBest, TerminateByDiversityDistBest, TerminateByDiversityDistMax, TerminateByDiversityRelStDev, TerminatedByCostValue, TerminatedByNumberOfGenerations

public abstract class TerminationCriterionBase
extends Object
implements TerminationCriterion

Base class for implementations of TerminationCriterion.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	nrGenerations

Constructor Summary

Constructors

Constructor	Description
TerminationCriterionBase(int nrGenerations)
TerminationCriterionBase(LogicalPlan plan)

Method Summary

Modifier and Type	Method	Description
protected static int	calcFactorial(int n)
protected static int	countNumOfOps(LogicalPlan plan)

Methods inherited from class java.lang.Object

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

Methods inherited from interface se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.evolutionaryAlgorithm.TerminationCriterion

readyToTerminate

Field Details

nrGenerations

protected int nrGenerations

Constructor Details

TerminationCriterionBase

public TerminationCriterionBase(int nrGenerations)

TerminationCriterionBase

public TerminationCriterionBase(LogicalPlan plan)

Method Details

countNumOfOps

protected static int countNumOfOps(LogicalPlan plan)

calcFactorial

protected static int calcFactorial(int n)