Package ai.timefold.solver.core.impl.localsearch.decider.forager

Class AcceptedLocalSearchForager<Solution_>

java.lang.Object

ai.timefold.solver.core.impl.solver.event.SolverLifecycleListenerAdapter<Solution_>

ai.timefold.solver.core.impl.localsearch.event.LocalSearchPhaseLifecycleListenerAdapter<Solution_>

ai.timefold.solver.core.impl.localsearch.decider.forager.AbstractLocalSearchForager<Solution_>

ai.timefold.solver.core.impl.localsearch.decider.forager.AcceptedLocalSearchForager<Solution_>

All Implemented Interfaces:

LocalSearchForager<Solution_>, LocalSearchPhaseLifecycleListener<Solution_>, SolverLifecycleListener<Solution_>, EventListener

public final class AcceptedLocalSearchForager<Solution_>
extends AbstractLocalSearchForager<Solution_>

A LocalSearchForager which forages accepted moves and ignores unaccepted moves.

See Also:

• LocalSearchForager
• Acceptor

Field Summary

Fields inherited from class ai.timefold.solver.core.impl.localsearch.decider.forager.AbstractLocalSearchForager

logger

Constructor Summary

Constructors

Constructor	Description
AcceptedLocalSearchForager(FinalistPodium<Solution_> finalistPodium, LocalSearchPickEarlyType pickEarlyType, int acceptedCountLimit, boolean breakTieRandomly)

Method Summary

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface ai.timefold.solver.core.impl.solver.event.SolverLifecycleListener

solvingError

Constructor Details

AcceptedLocalSearchForager

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

Method Details

solvingStarted

public void solvingStarted(SolverScope<Solution_> solverScope)

Specified by:

solvingStarted in interface SolverLifecycleListener<Solution_>

Overrides:

solvingStarted in class SolverLifecycleListenerAdapter<Solution_>

phaseStarted

public void phaseStarted(LocalSearchPhaseScope<Solution_> phaseScope)

Specified by:

phaseStarted in interface LocalSearchPhaseLifecycleListener<Solution_>

Overrides:

phaseStarted in class LocalSearchPhaseLifecycleListenerAdapter<Solution_>

stepStarted

public void stepStarted(LocalSearchStepScope<Solution_> stepScope)

Specified by:

stepStarted in interface LocalSearchPhaseLifecycleListener<Solution_>

Overrides:

stepStarted in class LocalSearchPhaseLifecycleListenerAdapter<Solution_>

supportsNeverEndingMoveSelector

public boolean supportsNeverEndingMoveSelector()

Returns:

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

addMove

public void addMove(LocalSearchMoveScope<Solution_> moveScope)

Parameters:

moveScope - never null

isQuitEarly

public boolean isQuitEarly()

Returns:

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

pickMove

public LocalSearchMoveScope<Solution_> pickMove(LocalSearchStepScope<Solution_> stepScope)

Parameters:

stepScope - never null

Returns:

sometimes null, for example if no move is selected

stepEnded

public void stepEnded(LocalSearchStepScope<Solution_> stepScope)

Specified by:

stepEnded in interface LocalSearchPhaseLifecycleListener<Solution_>

Overrides:

stepEnded in class LocalSearchPhaseLifecycleListenerAdapter<Solution_>

phaseEnded

public void phaseEnded(LocalSearchPhaseScope<Solution_> phaseScope)

Specified by:

phaseEnded in interface LocalSearchPhaseLifecycleListener<Solution_>

Overrides:

phaseEnded in class LocalSearchPhaseLifecycleListenerAdapter<Solution_>

solvingEnded

public void solvingEnded(SolverScope<Solution_> solverScope)

Specified by:

solvingEnded in interface SolverLifecycleListener<Solution_>

Overrides:

solvingEnded in class SolverLifecycleListenerAdapter<Solution_>

toString

public String toString()

Overrides:

toString in class Object