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## org.drools.planner.core.localsearch.decider.acceptor.tabu
Class AbstractTabuAcceptor

    java.lang.Object
      org.drools.planner.core.localsearch.event.LocalSearchSolverPhaseLifecycleListenerAdapter
          org.drools.planner.core.localsearch.decider.acceptor.AbstractAcceptor
              org.drools.planner.core.localsearch.decider.acceptor.tabu.AbstractTabuAcceptor

All Implemented Interfaces:
  EventListener, Acceptor, LocalSearchSolverPhaseLifecycleListener

Direct Known Subclasses:
  MoveTabuAcceptor, PropertyTabuAcceptor, SolutionTabuAcceptor

    public abstract class AbstractTabuAcceptor

extends AbstractAcceptor

Abstract superclass for all Tabu Acceptors.

See Also:
  `Acceptor`

Field Summary
`protected boolean` | `aspirationEnabled`
`protected boolean` | `assertTabuHashCodeCorrectness`
`protected int` | `completeTabuSize`
`protected int` | `partialTabuSize`
`protected List<Object>` | `tabuSequenceList`
`protected Map<Object,Integer>` | `tabuToStepIndexMap`

Fields inherited from class org.drools.planner.core.localsearch.decider.acceptor.AbstractAcceptor
`logger`

Constructor Summary
`AbstractTabuAcceptor()`

Method Summary
`double` | `calculateAcceptChance(MoveScope moveScope)` TODO the use for an acceptChance between 0.0 and 1.0 is unproven.
`protected double` | `calculatePartialTabuAcceptChance(int partialTabuTime)`
`protected abstract Collection<? extends Object>` | `findNewTabu(LocalSearchStepScope localSearchStepScope)`
`protected abstract Collection<? extends Object>` | `findTabu(MoveScope moveScope)`
`int` | `getCompleteTabuSize()`
`void` | `phaseStarted(LocalSearchSolverPhaseScope localSearchSolverPhaseScope)`
`void` | `setAspirationEnabled(boolean aspirationEnabled)`
`void` | `setAssertTabuHashCodeCorrectness(boolean assertTabuHashCodeCorrectness)`
`void` | `setCompleteTabuSize(int completeTabuSize)`
`void` | `setPartialTabuSize(int partialTabuSize)`
`void` | `stepTaken(LocalSearchStepScope localSearchStepScope)`

Methods inherited from class org.drools.planner.core.localsearch.event.LocalSearchSolverPhaseLifecycleListenerAdapter
`beforeDeciding, phaseEnded, stepDecided`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface org.drools.planner.core.localsearch.event.LocalSearchSolverPhaseLifecycleListener
`beforeDeciding, phaseEnded, stepDecided`

Field Detail

### completeTabuSize

    protected int completeTabuSize

### partialTabuSize

    protected int partialTabuSize

### aspirationEnabled

    protected boolean aspirationEnabled

### assertTabuHashCodeCorrectness

    protected boolean assertTabuHashCodeCorrectness

### tabuToStepIndexMap

    protected Map<Object,Integer> tabuToStepIndexMap

### tabuSequenceList

    protected List<Object> tabuSequenceList

Constructor Detail

### AbstractTabuAcceptor

    public AbstractTabuAcceptor()

Method Detail

### getCompleteTabuSize

    public int getCompleteTabuSize()

### setCompleteTabuSize

    public void setCompleteTabuSize(int completeTabuSize)

### setPartialTabuSize

    public void setPartialTabuSize(int partialTabuSize)

### setAspirationEnabled

    public void setAspirationEnabled(boolean aspirationEnabled)

### setAssertTabuHashCodeCorrectness

    public void setAssertTabuHashCodeCorrectness(boolean assertTabuHashCodeCorrectness)

### phaseStarted

    public void phaseStarted(LocalSearchSolverPhaseScope localSearchSolverPhaseScope)

  Specified by:
    `phaseStarted` in interface `LocalSearchSolverPhaseLifecycleListener`
  Overrides:
    `phaseStarted` in class `LocalSearchSolverPhaseLifecycleListenerAdapter`

### calculateAcceptChance

    public double calculateAcceptChance(MoveScope moveScope)

  Description copied from interface: `Acceptor`
  TODO the use for an acceptChance between 0.0 and 1.0 is unproven. A boolean instead of a double is sufficient?

  Parameters:
    `moveScope` - not null
  Returns:
    never negative; if rejected 0.0; if accepted higher than 0.0 (usually 1.0)

### calculatePartialTabuAcceptChance

    protected double calculatePartialTabuAcceptChance(int partialTabuTime)

### stepTaken

    public void stepTaken(LocalSearchStepScope localSearchStepScope)

  Specified by:
    `stepTaken` in interface `LocalSearchSolverPhaseLifecycleListener`
  Overrides:
    `stepTaken` in class `LocalSearchSolverPhaseLifecycleListenerAdapter`

### findTabu

    protected abstract Collection<? extends Object> findTabu(MoveScope moveScope)

### findNewTabu

    protected abstract Collection<? extends Object> findNewTabu(LocalSearchStepScope localSearchStepScope)

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