# Uses of Interface
org.apache.storm.trident.operation.MultiReducer

Packages that use MultiReducer
Package
Description
org.apache.storm.trident
org.apache.storm.trident.drpc
org.apache.storm.trident.operation
org.apache.storm.trident.operation.impl
org.apache.storm.trident.planner.processor

- ## Uses of MultiReducer in org.apache.storm.trident

  Methods in org.apache.storm.trident with parameters of type MultiReducer
  Modifier and Type
  Method
  Description
  `Stream`
  TridentTopology.`multiReduce(List<Stream> streams, MultiReducer function, Fields outputFields)`
  `Stream`
  TridentTopology.`multiReduce(List<Fields> inputFields, List<Stream> streams, MultiReducer function, Fields outputFields)`
  `Stream`
  TridentTopology.`multiReduce(Stream s1, Stream s2, MultiReducer function, Fields outputFields)`
  `Stream`
  TridentTopology.`multiReduce(Fields inputFields1, Stream s1, Fields inputFields2, Stream s2, MultiReducer function, Fields outputFields)`

- ## Uses of MultiReducer in org.apache.storm.trident.drpc

  Classes in org.apache.storm.trident.drpc that implement MultiReducer
  Modifier and Type
  Class
  Description
  `class`
  `ReturnResultsReducer`

- ## Uses of MultiReducer in org.apache.storm.trident.operation

  Classes in org.apache.storm.trident.operation that implement MultiReducer
  Modifier and Type
  Class
  Description
  `class`
  `BaseMultiReducer<T>`

- ## Uses of MultiReducer in org.apache.storm.trident.operation.impl

  Classes in org.apache.storm.trident.operation.impl that implement MultiReducer
  Modifier and Type
  Class
  Description
  `class`
  `GroupedMultiReducerExecutor`
  `class`
  `IdentityMultiReducer<T>`

- ## Uses of MultiReducer in org.apache.storm.trident.planner.processor

  Constructors in org.apache.storm.trident.planner.processor with parameters of type MultiReducer
  Modifier
  Constructor
  Description
  ``
  `MultiReducerProcessor(List<Fields> inputFields, MultiReducer reducer)`