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