org.optaplanner.core.impl.heuristic.selector.entity.pillar

## Interface PillarSelector

- All Superinterfaces:
    EventListener, Iterable<List<Object>>, IterableSelector<List<Object>>, ListIterable<List<Object>>, ListIterableSelector<List<Object>>, PhaseLifecycleListener, Selector, SolverLifecycleListener
  All Known Implementing Classes:
    DefaultPillarSelector

      public interface PillarSelector
      extends ListIterableSelector<List<Object>>

  A pillar is a `List` of entities that have the same planning value for each (or a subset) of their planning values. Selects a `List` of such entities that are moved together.
  See Also:
    `EntitySelector`

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `EntityDescriptor` | `getEntityDescriptor()`

    - ### Methods inherited from interface org.optaplanner.core.impl.heuristic.selector.IterableSelector

      `getSize`

    - ### Methods inherited from interface org.optaplanner.core.impl.heuristic.selector.Selector

      `getCacheType, isCountable, isNeverEnding`

    - ### Methods inherited from interface org.optaplanner.core.impl.phase.event.PhaseLifecycleListener

      `phaseEnded, phaseStarted, stepEnded, stepStarted`

    - ### Methods inherited from interface org.optaplanner.core.impl.solver.event.SolverLifecycleListener

      `solvingEnded, solvingStarted`

    - ### Methods inherited from interface org.optaplanner.core.impl.heuristic.selector.common.iterator.ListIterable

      `listIterator, listIterator`

    - ### Methods inherited from interface java.lang.Iterable

      `forEach, iterator, spliterator`

- - ### Method Detail

    - #### getEntityDescriptor

          EntityDescriptor getEntityDescriptor()

      Returns:
        never null

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