BigDecimalCombiner.BigDecimalSummingCombiner (Apache Accumulo Core 2.0.0 API)

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.BigDecimalSummingCombiner

All Implemented Interfaces:

OptionDescriber, SortedKeyValueIterator<Key,Value>, YieldingKeyValueIterator<Key,Value>

Enclosing class:

BigDecimalCombiner
```
public static class BigDecimalCombiner.BigDecimalSummingCombiner
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.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 Description

BigDecimalSummingCombiner()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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

Methods inherited from interface org.apache.accumulo.core.iterators.YieldingKeyValueIterator
enableYielding

- Constructor Detail
  - BigDecimalSummingCombiner
```
public BigDecimalSummingCombiner()
```
- 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.