com.hazelcast.mapreduce.aggregation.impl

Class BigDecimalAvgAggregation<Key,Value>

java.lang.Object

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

Type Parameters:

Key - the input key type

Value - the input value type

All Implemented Interfaces:

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

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

The predefined average aggregation for values of type BigDecimal.

Constructor Summary

Constructors

Constructor and Description
BigDecimalAvgAggregation()

Method Summary

Methods

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

Methods inherited from class java.lang.Object

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

Constructor Detail

BigDecimalAvgAggregation

public BigDecimalAvgAggregation()

Method Detail

getCollator

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

Specified by:

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

getMapper

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

Specified by:

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

getCombinerFactory

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

Specified by:

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

getReducerFactory

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

Specified by:

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