## Uses of Interface
org.optaplanner.core.impl.domain.variable.listener.StatefulVariableListener

- Packages that use StatefulVariableListener
  Package | Description
  --- | ---
  org.optaplanner.core.impl.domain.variable.anchor |
  org.optaplanner.core.impl.domain.variable.inverserelation |
  org.optaplanner.core.impl.domain.variable.listener |

- - ### Uses of StatefulVariableListener in org.optaplanner.core.impl.domain.variable.anchor

    Classes in org.optaplanner.core.impl.domain.variable.anchor that implement StatefulVariableListener
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ExternalizedAnchorVariableSupply` Alternative to `AnchorVariableListener`.

  - ### Uses of StatefulVariableListener in org.optaplanner.core.impl.domain.variable.inverserelation

    Classes in org.optaplanner.core.impl.domain.variable.inverserelation that implement StatefulVariableListener
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ExternalizedCollectionInverseVariableSupply` Alternative to `CollectionInverseVariableListener`.
    `class` | `ExternalizedSingletonInverseVariableSupply` Alternative to `SingletonInverseVariableListener`.

  - ### Uses of StatefulVariableListener in org.optaplanner.core.impl.domain.variable.listener

    Subinterfaces of StatefulVariableListener in org.optaplanner.core.impl.domain.variable.listener
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `SourcedVariableListener<Entity_>` Often used to externalize data for a `Supply` from the domain model itself.

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