Class MoveListFactoryToMoveSelectorBridge
- java.lang.Object
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- org.optaplanner.core.impl.heuristic.selector.AbstractSelector
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- org.optaplanner.core.impl.heuristic.selector.move.AbstractMoveSelector
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- org.optaplanner.core.impl.heuristic.selector.move.factory.MoveListFactoryToMoveSelectorBridge
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- All Implemented Interfaces:
Iterable<Move>
,EventListener
,SelectionCacheLifecycleListener
,IterableSelector<Move>
,MoveSelector
,Selector
,PhaseLifecycleListener
,SolverLifecycleListener
public class MoveListFactoryToMoveSelectorBridge extends AbstractMoveSelector implements SelectionCacheLifecycleListener
Bridges aMoveListFactory
to aMoveSelector
.
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Field Summary
Fields Modifier and Type Field Description protected List<Move>
cachedMoveList
protected SelectionCacheType
cacheType
protected MoveListFactory
moveListFactory
protected boolean
randomSelection
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Fields inherited from class org.optaplanner.core.impl.heuristic.selector.AbstractSelector
logger, phaseLifecycleSupport, workingRandom
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Constructor Summary
Constructors Constructor Description MoveListFactoryToMoveSelectorBridge(MoveListFactory moveListFactory, SelectionCacheType cacheType, boolean randomSelection)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
constructCache(DefaultSolverScope solverScope)
void
disposeCache(DefaultSolverScope solverScope)
SelectionCacheType
getCacheType()
Unless this selector itself caches, this returnsSelectionCacheType.JUST_IN_TIME
, even if a selector child caches.long
getSize()
A random JITSelector
withSelector.isNeverEnding()
true should return a size as if it would be able to return each distinct element only once, because the size can be used inSelectionProbabilityWeightFactory
.boolean
isCountable()
If false, thenSelector.isNeverEnding()
is true.boolean
isNeverEnding()
Is true ifSelector.isCountable()
is false or if this selector is in random order (for most cases).Iterator<Move>
iterator()
boolean
supportsPhaseAndSolverCaching()
String
toString()
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Methods inherited from class org.optaplanner.core.impl.heuristic.selector.AbstractSelector
phaseEnded, phaseStarted, solvingEnded, solvingStarted, stepEnded, stepStarted
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface java.lang.Iterable
forEach, spliterator
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Methods inherited from interface org.optaplanner.core.impl.phase.event.PhaseLifecycleListener
phaseEnded, phaseStarted, stepEnded, stepStarted
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Methods inherited from interface org.optaplanner.core.impl.solver.event.SolverLifecycleListener
solvingEnded, solvingStarted
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Field Detail
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moveListFactory
protected final MoveListFactory moveListFactory
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cacheType
protected final SelectionCacheType cacheType
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randomSelection
protected final boolean randomSelection
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Constructor Detail
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MoveListFactoryToMoveSelectorBridge
public MoveListFactoryToMoveSelectorBridge(MoveListFactory moveListFactory, SelectionCacheType cacheType, boolean randomSelection)
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Method Detail
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getCacheType
public SelectionCacheType getCacheType()
Description copied from interface:Selector
Unless this selector itself caches, this returnsSelectionCacheType.JUST_IN_TIME
, even if a selector child caches.- Specified by:
getCacheType
in interfaceSelector
- Overrides:
getCacheType
in classAbstractSelector
- Returns:
- never null
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supportsPhaseAndSolverCaching
public boolean supportsPhaseAndSolverCaching()
- Specified by:
supportsPhaseAndSolverCaching
in interfaceMoveSelector
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constructCache
public void constructCache(DefaultSolverScope solverScope)
- Specified by:
constructCache
in interfaceSelectionCacheLifecycleListener
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disposeCache
public void disposeCache(DefaultSolverScope solverScope)
- Specified by:
disposeCache
in interfaceSelectionCacheLifecycleListener
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isCountable
public boolean isCountable()
Description copied from interface:Selector
If false, thenSelector.isNeverEnding()
is true.- Specified by:
isCountable
in interfaceSelector
- Returns:
- true if all the
ValueRange
s are countable (for example a double value range between 1.2 and 1.4 is not countable)
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isNeverEnding
public boolean isNeverEnding()
Description copied from interface:Selector
Is true ifSelector.isCountable()
is false or if this selector is in random order (for most cases). Is never true when this selector is in shuffled order (which is less scalable but more exact).- Specified by:
isNeverEnding
in interfaceSelector
- Returns:
- true if the
Iterator.hasNext()
of theIterator
created byIterable.iterator()
never returns false (except when it's empty).
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getSize
public long getSize()
Description copied from interface:IterableSelector
A random JITSelector
withSelector.isNeverEnding()
true should return a size as if it would be able to return each distinct element only once, because the size can be used inSelectionProbabilityWeightFactory
.- Specified by:
getSize
in interfaceIterableSelector<Move>
- Returns:
- the approximate number of elements generated by this
Selector
, always>= 0
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