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## org.modeshape.graph.query.process
Interface JoinComponent.ValueSelector

Enclosing class:
  JoinComponent

    protected static interface JoinComponent.ValueSelector

Interface defining the value of a tuple that is used in the join condition.

Method Summary
`Object` | `evaluate(Object[] tuple)` Obtain the value that is to be used in the join condition.

Method Detail

### evaluate

    Object evaluate(Object[] tuple)

  Obtain the value that is to be used in the join condition.

  Parameters:
    `tuple` - the tuple
  Returns:
    the value that should be used

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