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

Modifier and Type	Method and 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