com.bigdata.btree.proc
Class BooleanORAggregator

java.lang.Object
  com.bigdata.btree.proc.BooleanORAggregator

All Implemented Interfaces:

IResultHandler<Boolean,Boolean>

public class BooleanORAggregator
extends Object
implements IResultHandler<Boolean,Boolean>

Combines together boolean values using a logical OR. The result will be true if any of the component results was true.

Version:

$Id: BooleanORAggregator.java 2265 2009-10-26 12:51:06Z thompsonbry $

Author:

Bryan Thompson

Constructor Summary

BooleanORAggregator()

Method Summary

void	aggregate(Boolean result, Split split) Method is invoked for each result and is responsible for combining the results in whatever manner is meaningful for the procedure.
Boolean	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

BooleanORAggregator

public BooleanORAggregator()

Method Detail

aggregate

public void aggregate(Boolean 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<Boolean,Boolean>

Parameters:

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

split - The Split that generated that result.

getResult

public Boolean getResult()

Description copied from interface: IResultHandler

Return the aggregated results as an implementation dependent object.

Specified by:

getResult in interface IResultHandler<Boolean,Boolean>