Package org.apache.storm.streams.operations

## Interface PairFunction<T,​K,​V>

- Type Parameters:
    `T` - the type of the input to the function
    `K` - the key type
    `V` - the value type
  All Superinterfaces:
    `Function<T,​Pair<K,​V>>`, `Operation`, `Serializable`
  All Known Implementing Classes:
    `PairValueMapper`, `StreamInsertMapToPairFunction`

      public interface PairFunction<T,​K,​V>
      extends Function<T,​Pair<K,​V>>

  A function that accepts an argument and produces a key-value Pair.

- - ### Method Summary

    - ### Methods inherited from interface org.apache.storm.streams.operations.Function

      `apply`