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

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

Type Parameters:

Key - the input key type

Value - the input value type

All Implemented Interfaces:

AggType<Key,Value,Key,Long,AvgTuple<Long,Long>,AvgTuple<Long,Long>,Long>

public class LongAvgAggregation<Key,Value>
extends Object
implements AggType<Key,Value,Key,Long,AvgTuple<Long,Long>,AvgTuple<Long,Long>,Long>

The predefined average aggregation for values of type long.

Constructor Summary

LongAvgAggregation()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

LongAvgAggregation

public LongAvgAggregation()

Method Detail

getCollator

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

Specified by:

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

getMapper

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

Specified by:

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

getCombinerFactory

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

Specified by:

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

getReducerFactory

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

Specified by:

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