Package org.apache.storm.streams.operations

## Interface ValueJoiner<V1,​V2,​R>

- Type Parameters:
    `V1` - the type of the first value
    `V2` - the type of the second value
    `R` - the result type
  All Superinterfaces:
    `Operation`, `Serializable`
  All Known Implementing Classes:
    `PairValueJoiner`

      public interface ValueJoiner<V1,​V2,​R>
      extends Operation

  An interface for joining two values to produce a result.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `R` | `apply​(V1 value1, V2 value2)` | Joins two values and produces a result.

- - ### Method Detail

    - #### apply

          R apply​(V1 value1,
                  V2 value2)

      Joins two values and produces a result.
      Parameters:
        `value1` - the first value
        `value2` - the second value
      Returns:
        the result