org.optaplanner.core.impl.localsearch.decider.forager

Class AcceptedLocalSearchForager

java.lang.Object

org.optaplanner.core.impl.solver.event.SolverLifecycleListenerAdapter<Solution_>

org.optaplanner.core.impl.localsearch.event.LocalSearchPhaseLifecycleListenerAdapter

org.optaplanner.core.impl.localsearch.decider.forager.AbstractLocalSearchForager

org.optaplanner.core.impl.localsearch.decider.forager.AcceptedLocalSearchForager

All Implemented Interfaces:

EventListener, LocalSearchForager, LocalSearchPhaseLifecycleListener, SolverLifecycleListener

public class AcceptedLocalSearchForager
extends AbstractLocalSearchForager

A LocalSearchForager which forages accepted moves and ignores unaccepted moves.

See Also:

LocalSearchForager, Acceptor

Field Summary

Fields

Modifier and Type	Field and Description
protected int	acceptedCountLimit
protected long	acceptedMoveCount
protected boolean	breakTieRandomly
protected LocalSearchMoveScope	earlyPickedMoveScope
protected FinalistPodium	finalistPodium
protected LocalSearchPickEarlyType	pickEarlyType
protected long	selectedMoveCount

Fields inherited from class org.optaplanner.core.impl.localsearch.decider.forager.AbstractLocalSearchForager

logger

Constructor Summary

Constructors

Constructor and Description
AcceptedLocalSearchForager(FinalistPodium finalistPodium, LocalSearchPickEarlyType pickEarlyType, int acceptedCountLimit, boolean breakTieRandomly)

Method Summary

Modifier and Type	Method and Description
void	addMove(LocalSearchMoveScope moveScope)
protected void	checkPickEarly(LocalSearchMoveScope moveScope)
boolean	isQuitEarly()
void	phaseEnded(LocalSearchPhaseScope phaseScope)
void	phaseStarted(LocalSearchPhaseScope phaseScope)
LocalSearchMoveScope	pickMove(LocalSearchStepScope stepScope)
void	solvingEnded(DefaultSolverScope solverScope)
void	solvingStarted(DefaultSolverScope solverScope)
void	stepEnded(LocalSearchStepScope stepScope)
void	stepStarted(LocalSearchStepScope stepScope)
boolean	supportsNeverEndingMoveSelector()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

finalistPodium

protected final FinalistPodium finalistPodium

pickEarlyType

protected final LocalSearchPickEarlyType pickEarlyType

acceptedCountLimit

protected final int acceptedCountLimit

breakTieRandomly

protected final boolean breakTieRandomly

selectedMoveCount

protected long selectedMoveCount

acceptedMoveCount

protected long acceptedMoveCount

earlyPickedMoveScope

protected LocalSearchMoveScope earlyPickedMoveScope

Constructor Detail

AcceptedLocalSearchForager

public AcceptedLocalSearchForager(FinalistPodium finalistPodium,
                                  LocalSearchPickEarlyType pickEarlyType,
                                  int acceptedCountLimit,
                                  boolean breakTieRandomly)

Method Detail

solvingStarted

public void solvingStarted(DefaultSolverScope solverScope)

Specified by:

solvingStarted in interface SolverLifecycleListener

Overrides:

solvingStarted in class SolverLifecycleListenerAdapter

phaseStarted

public void phaseStarted(LocalSearchPhaseScope phaseScope)

Specified by:

phaseStarted in interface LocalSearchPhaseLifecycleListener

Overrides:

phaseStarted in class LocalSearchPhaseLifecycleListenerAdapter

stepStarted

public void stepStarted(LocalSearchStepScope stepScope)

Specified by:

stepStarted in interface LocalSearchPhaseLifecycleListener

Overrides:

stepStarted in class LocalSearchPhaseLifecycleListenerAdapter

supportsNeverEndingMoveSelector

public boolean supportsNeverEndingMoveSelector()

Returns:

true if it can be combined with a Selector.isNeverEnding() that returns true.

addMove

public void addMove(LocalSearchMoveScope moveScope)

Parameters:

moveScope - never null

checkPickEarly

protected void checkPickEarly(LocalSearchMoveScope moveScope)

isQuitEarly

public boolean isQuitEarly()

Returns:

true if no further moves should be selected (and evaluated) for this step.

pickMove

public LocalSearchMoveScope pickMove(LocalSearchStepScope stepScope)

Parameters:

stepScope - never null

Returns:

sometimes null, for example if no move is selected

stepEnded

public void stepEnded(LocalSearchStepScope stepScope)

Specified by:

stepEnded in interface LocalSearchPhaseLifecycleListener

Overrides:

stepEnded in class LocalSearchPhaseLifecycleListenerAdapter

phaseEnded

public void phaseEnded(LocalSearchPhaseScope phaseScope)

Specified by:

phaseEnded in interface LocalSearchPhaseLifecycleListener

Overrides:

phaseEnded in class LocalSearchPhaseLifecycleListenerAdapter

solvingEnded

public void solvingEnded(DefaultSolverScope solverScope)

Specified by:

solvingEnded in interface SolverLifecycleListener

Overrides:

solvingEnded in class SolverLifecycleListenerAdapter

toString

public String toString()

Overrides:

toString in class Object