## Uses of Interface
org.apache.storm.streams.operations.CombinerAggregator

- Packages that use CombinerAggregator
  Package | Description
  --- | ---
  org.apache.storm.streams |
  org.apache.storm.streams.operations |
  org.apache.storm.streams.operations.aggregators |
  org.apache.storm.streams.processors |

- - ### Uses of CombinerAggregator in org.apache.storm.streams

    Methods in org.apache.storm.streams with parameters of type CombinerAggregator
    Modifier and Type | Method and Description
    --- | ---
    `<A,R> Stream<R>` | Stream.`aggregate(CombinerAggregator<? super T,A,? extends R> aggregator)` Aggregates the values in this stream using the aggregator.
    `<A,R> PairStream<K,R>` | PairStream.`aggregateByKey(CombinerAggregator<? super V,A,? extends R> aggregator)` Aggregates the values for each key of this stream using the given `CombinerAggregator`.

  - ### Uses of CombinerAggregator in org.apache.storm.streams.operations

    Methods in org.apache.storm.streams.operations that return CombinerAggregator
    Modifier and Type | Method and Description
    --- | ---
    `static <T,R> CombinerAggregator<T,R,R>` | CombinerAggregator.`of(R initialValue, BiFunction<? super R,? super T,? extends R> accumulator, BiFunction<? super R,? super R,? extends R> combiner)` A static factory to create a `CombinerAggregator` based on initial value, accumulator and combiner.

  - ### Uses of CombinerAggregator in org.apache.storm.streams.operations.aggregators

    Classes in org.apache.storm.streams.operations.aggregators that implement CombinerAggregator
    Modifier and Type | Class and Description
    --- | ---
    `class` | `Count<T>` Computes the count of values.
    `class` | `LongSum` Computes the long sum of the input values.

  - ### Uses of CombinerAggregator in org.apache.storm.streams.processors

    Fields in org.apache.storm.streams.processors declared as CombinerAggregator
    Modifier and Type | Field and Description
    --- | ---
    `protected CombinerAggregator<V,A,R>` | MergeAggregateByKeyProcessor.`aggregator`

    Constructors in org.apache.storm.streams.processors with parameters of type CombinerAggregator
    Constructor and Description
    `AggregateByKeyProcessor(CombinerAggregator<V,A,R> aggregator)`
    `AggregateByKeyProcessor(CombinerAggregator<V,A,R> aggregator, boolean emitAggregate)`
    `AggregateProcessor(CombinerAggregator<T,A,R> aggregator)`
    `AggregateProcessor(CombinerAggregator<T,A,R> aggregator, boolean emitAggregate)`
    `MergeAggregateByKeyProcessor(CombinerAggregator<V,A,R> aggregator)`
    `MergeAggregateProcessor(CombinerAggregator<T,A,R> aggregator)`

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