## Uses of Interface
org.apache.storm.streams.processors.Processor

- Packages that use Processor
  Package | Description
  --- | ---
  org.apache.storm.streams |
  org.apache.storm.streams.processors |

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

    Methods in org.apache.storm.streams that return Processor
    Modifier and Type | Method | Description
    --- | --- | ---
    `Processor<?>` | ProcessorNode.`getProcessor()` |

    Constructors in org.apache.storm.streams with parameters of type Processor
    Constructor | Description
    --- | ---
    `ProcessorNode​(Processor<?> processor, String outputStream, Fields outputFields)` |
    `ProcessorNode​(Processor<?> processor, String outputStream, Fields outputFields, boolean preservesKey)` |

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

    Classes in org.apache.storm.streams.processors that implement Processor
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `AggregateByKeyProcessor<K,​V,​A,​R>` |
    `class` | `AggregateProcessor<T,​A,​R>` |
    `class` | `BranchProcessor<T>` |
    `class` | `CoGroupByKeyProcessor<K,​V1,​V2>` | co-group by key implementation.
    `class` | `FilterProcessor<T>` |
    `class` | `FlatMapProcessor<T,​R>` |
    `class` | `FlatMapValuesProcessor<K,​V,​R>` |
    `class` | `ForEachProcessor<T>` |
    `class` | `JoinProcessor<K,​R,​V1,​V2>` | Provides equi-join implementation based on simple hash-join.
    `class` | `MapProcessor<T,​R>` |
    `class` | `MapValuesProcessor<K,​V,​R>` |
    `class` | `MergeAggregateByKeyProcessor<K,​V,​A,​R>` |
    `class` | `MergeAggregateProcessor<T,​A,​R>` |
    `class` | `PeekProcessor<T>` |
    `class` | `ReduceByKeyProcessor<K,​V>` |
    `class` | `ReduceProcessor<T>` |
    `class` | `StateQueryProcessor<K,​V>` |
    `class` | `UpdateStateByKeyProcessor<K,​V,​R>` |