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## de.grogra.xl.lang
Interface BooleanAggregateState

All Superinterfaces:
  AggregateState

All Known Implementing Classes:
  AggregateStateImpl

    public interface BooleanAggregateState

extends AggregateState

`BooleanAggregateState` is the subinterface of `AggregateState` that is used for aggregate methods with return value of type boolean. Its precise usage is specified by the XL programming language.

Author:
  Ole Kniemeyer

Method Summary
`boolean` | `getBooleanResult()` Returns the result of the aggregation.

Methods inherited from interface de.grogra.xl.lang.AggregateState
`isFinished`

Method Detail

### getBooleanResult

    boolean getBooleanResult()

  Returns the result of the aggregation. This is only valid after the aggregate method has been invoked for a last time with its `finished` argument set to `true`.

  Returns:
    aggregated value

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