com.bigdata.service.ndx

Class IdentityHandler<T>

java.lang.Object

com.bigdata.service.ndx.IdentityHandler<T>

All Implemented Interfaces:

IResultHandler<T,T>

public class IdentityHandler<T>
extends Object
implements IResultHandler<T,T>

Hands back the object visited for a single index partition.

Author:

Bryan Thompson

Constructor Summary

Constructors

Constructor and Description
IdentityHandler()

Method Summary

Methods

Modifier and Type	Method and Description
void	aggregate(T result, Split split) Method is invoked for each result and is responsible for combining the results in whatever manner is meaningful for the procedure.
T	getResult() Return the aggregated results as an implementation dependent object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IdentityHandler

public IdentityHandler()

Method Detail

aggregate

public void aggregate(T result,
             Split split)

Description copied from interface: IResultHandler

Method is invoked for each result and is responsible for combining the results in whatever manner is meaningful for the procedure. Implementations of this method MUST be thread-safe since the procedure MAY be applied in parallel when it spans more than one index partition.

Specified by:

aggregate in interface IResultHandler<T,T>

Parameters:

result - The result from applying the procedure to a single index partition.

split - The Split that generated that result.

getResult

public T getResult()

Description copied from interface: IResultHandler

Return the aggregated results as an implementation dependent object.

Specified by:

getResult in interface IResultHandler<T,T>