org.apache.accumulo.core.iterators.user

Class BigDecimalCombiner.BigDecimalMinCombiner

java.lang.Object

org.apache.accumulo.core.iterators.WrappingIterator

org.apache.accumulo.core.iterators.Combiner

org.apache.accumulo.core.iterators.TypedValueCombiner<BigDecimal>

org.apache.accumulo.core.iterators.user.BigDecimalCombiner

org.apache.accumulo.core.iterators.user.BigDecimalCombiner.BigDecimalMinCombiner

All Implemented Interfaces:

OptionDescriber, SortedKeyValueIterator<Key,Value>

Enclosing class:

BigDecimalCombiner

public static class BigDecimalCombiner.BigDecimalMinCombiner
extends BigDecimalCombiner

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.accumulo.core.iterators.user.BigDecimalCombiner

BigDecimalCombiner.BigDecimalEncoder, BigDecimalCombiner.BigDecimalMaxCombiner, BigDecimalCombiner.BigDecimalMinCombiner, BigDecimalCombiner.BigDecimalSummingCombiner

Nested classes/interfaces inherited from class org.apache.accumulo.core.iterators.TypedValueCombiner

TypedValueCombiner.Encoder<V>

Nested classes/interfaces inherited from class org.apache.accumulo.core.iterators.Combiner

Combiner.ValueIterator

Nested classes/interfaces inherited from interface org.apache.accumulo.core.iterators.OptionDescriber

OptionDescriber.IteratorOptions

Field Summary

Fields inherited from class org.apache.accumulo.core.iterators.TypedValueCombiner

LOSSY

Fields inherited from class org.apache.accumulo.core.iterators.Combiner

ALL_OPTION, COLUMNS_OPTION, REDUCE_ON_FULL_COMPACTION_ONLY_OPTION

Constructor Summary

Constructors

Constructor and Description
BigDecimalCombiner.BigDecimalMinCombiner()

Method Summary

Methods

Modifier and Type	Method and Description
BigDecimal	typedReduce(Key key, Iterator<BigDecimal> iter) Reduces a list of V into a single V.

Methods inherited from class org.apache.accumulo.core.iterators.user.BigDecimalCombiner

describeOptions, init, validateOptions

Methods inherited from class org.apache.accumulo.core.iterators.TypedValueCombiner

deepCopy, reduce, setEncoder, setEncoder, setLossyness, testEncoder, testEncoder

Methods inherited from class org.apache.accumulo.core.iterators.Combiner

getTopKey, getTopValue, hasTop, next, seek, setColumns, setCombineAllColumns, setReduceOnFullCompactionOnly

Methods inherited from class org.apache.accumulo.core.iterators.WrappingIterator

getSource, setSource

Methods inherited from class java.lang.Object

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

Constructor Detail

BigDecimalCombiner.BigDecimalMinCombiner

public BigDecimalCombiner.BigDecimalMinCombiner()

Method Detail

typedReduce

public BigDecimal typedReduce(Key key,
                     Iterator<BigDecimal> iter)

Description copied from class: TypedValueCombiner

Reduces a list of V into a single V.

Specified by:

typedReduce in class TypedValueCombiner<BigDecimal>

Parameters:

key - The most recent version of the Key being reduced.

iter - An iterator over the V for different versions of the key.

Returns:

The combined V.