org.openspaces.core.executor.support

Class AvgReducer<T extends Number,R extends Number>

java.lang.Object

org.openspaces.core.executor.support.SumReducer<T,R>

org.openspaces.core.executor.support.AvgReducer<T,R>

All Implemented Interfaces:

AsyncResultsReducer<T,R>

public class AvgReducer<T extends Number,R extends Number>
extends SumReducer<T,R>

A default implementation of a reducer that averages all types T into a result R.

Author:

kimchy

Field Summary

Fields inherited from class org.openspaces.core.executor.support.SumReducer

redeuceHelper

Constructor Summary

Constructors

Constructor and Description
AvgReducer(Class<R> reduceType)

Method Summary

Modifier and Type	Method and Description
AvgReducer	ignoreExceptions() Causes the reducer to ignore exceptions and just sum the results that succeeded.
R	reduce(List<AsyncResult<T>> results)

Methods inherited from class java.lang.Object

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

Constructor Detail

AvgReducer

public AvgReducer(Class<R> reduceType)
           throws IllegalArgumentException

Throws:

IllegalArgumentException

Method Detail

ignoreExceptions

public AvgReducer ignoreExceptions()

Causes the reducer to ignore exceptions and just sum the results that succeeded.

Overrides:

ignoreExceptions in class SumReducer<T extends Number,R extends Number>

reduce

public R reduce(List<AsyncResult<T>> results)
         throws Exception

Specified by:

reduce in interface AsyncResultsReducer<T extends Number,R extends Number>

Overrides:

reduce in class SumReducer<T extends Number,R extends Number>

Throws:

Exception