datafu.hourglass.model
Interface Merger<T>

Type Parameters:
T - Value type
All Superinterfaces:
java.io.Serializable

public interface Merger<T>
extends java.io.Serializable

Merges two values together.

Author:
"Matthew Hayes"

Method Summary
 T merge(T left, T right)
          Merges two values together.
 

Method Detail

merge

T merge(T left,
        T right)
Merges two values together.

This may return null to indicate no record should be written.

Parameters:
left - Left value
right - Right value
Returns:
Merged result


Matthew Hayes