com.hazelcast.mapreduce.aggregation.impl
Class IntegerSumAggregation<Key,Value>

java.lang.Object
  com.hazelcast.mapreduce.aggregation.impl.IntegerSumAggregation<Key,Value>

Type Parameters:

Key - the input key type

Value - the input value type

All Implemented Interfaces:

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

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

The predefined sum aggregation for values of type integer.

Constructor Summary

IntegerSumAggregation()

Method Summary

Collator<Map.Entry<Key,Integer>,Integer>	getCollator()
CombinerFactory<Key,Integer,Integer>	getCombinerFactory()
Mapper<Key,Value,Key,Integer>	getMapper(Supplier<Key,Value,Integer> supplier)
ReducerFactory<Key,Integer,Integer>	getReducerFactory()

Methods inherited from class java.lang.Object

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

Constructor Detail

IntegerSumAggregation

public IntegerSumAggregation()

Method Detail

getCollator

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

Specified by:

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

getCombinerFactory

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

Specified by:

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

getReducerFactory

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

Specified by:

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