com.hazelcast.mapreduce.aggregation.impl

Class IntegerAvgAggregation<Key,Value>

java.lang.Object

com.hazelcast.mapreduce.aggregation.impl.IntegerAvgAggregation<Key,Value>

Type Parameters:

Key - the input key type

Value - the input value type

All Implemented Interfaces:

AggType<Key,Value,Key,Integer,AvgTuple<Integer,Integer>,AvgTuple<Integer,Integer>,Integer>

public class IntegerAvgAggregation<Key,Value>
extends Object
implements AggType<Key,Value,Key,Integer,AvgTuple<Integer,Integer>,AvgTuple<Integer,Integer>,Integer>

The predefined average aggregation for values of type integer.

Constructor Summary

Constructors

Constructor and Description
IntegerAvgAggregation()

Method Summary

Modifier and Type	Method and Description
Collator<Map.Entry<Key,AvgTuple<Integer,Integer>>,Integer>	getCollator()
CombinerFactory<Key,Integer,AvgTuple<Integer,Integer>>	getCombinerFactory()
Mapper<Key,Value,Key,Integer>	getMapper(Supplier<Key,Value,Integer> supplier)
ReducerFactory<Key,AvgTuple<Integer,Integer>,AvgTuple<Integer,Integer>>	getReducerFactory()

Methods inherited from class java.lang.Object

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

Constructor Detail

IntegerAvgAggregation

public IntegerAvgAggregation()

Method Detail

getCollator

public Collator<Map.Entry<Key,AvgTuple<Integer,Integer>>,Integer> getCollator()

Specified by:

getCollator in interface AggType<Key,Value,Key,Integer,AvgTuple<Integer,Integer>,AvgTuple<Integer,Integer>,Integer>

getMapper

public Mapper<Key,Value,Key,Integer> getMapper(Supplier<Key,Value,Integer> supplier)

Specified by:

getMapper in interface AggType<Key,Value,Key,Integer,AvgTuple<Integer,Integer>,AvgTuple<Integer,Integer>,Integer>

getCombinerFactory

public CombinerFactory<Key,Integer,AvgTuple<Integer,Integer>> getCombinerFactory()

Specified by:

getCombinerFactory in interface AggType<Key,Value,Key,Integer,AvgTuple<Integer,Integer>,AvgTuple<Integer,Integer>,Integer>

getReducerFactory

public ReducerFactory<Key,AvgTuple<Integer,Integer>,AvgTuple<Integer,Integer>> getReducerFactory()

Specified by:

getReducerFactory in interface AggType<Key,Value,Key,Integer,AvgTuple<Integer,Integer>,AvgTuple<Integer,Integer>,Integer>