Uses of Interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregator (Apache Hadoop Main 3.5.0 API)
Description: use: package: org.apache.hadoop.mapred.lib.aggregate, interface: ValueAggregator

# Uses of Interface
org.apache.hadoop.mapred.lib.aggregate.ValueAggregator

Packages that use ValueAggregator
Package
Description
org.apache.hadoop.mapred.lib.aggregate

- ## Uses of ValueAggregator in org.apache.hadoop.mapred.lib.aggregate

  Classes in org.apache.hadoop.mapred.lib.aggregate that implement ValueAggregator
  Modifier and Type
  Class
  Description
  `class`
  `DoubleValueSum`
  This class implements a value aggregator that sums up a sequence of double values.
  `class`
  `LongValueMax`
  This class implements a value aggregator that maintain the maximum of a sequence of long values.
  `class`
  `LongValueMin`
  This class implements a value aggregator that maintain the minimum of a sequence of long values.
  `class`
  `LongValueSum`
  This class implements a value aggregator that sums up a sequence of long values.
  `class`
  `StringValueMax`
  This class implements a value aggregator that maintain the biggest of a sequence of strings.
  `class`
  `StringValueMin`
  This class implements a value aggregator that maintain the smallest of a sequence of strings.
  `class`
  `UniqValueCount`
  This class implements a value aggregator that dedupes a sequence of objects.
  `class`
  `ValueHistogram`
  This class implements a value aggregator that computes the histogram of a sequence of strings.
  Methods in org.apache.hadoop.mapred.lib.aggregate that return ValueAggregator
  Modifier and Type
  Method
  Description
  `static ValueAggregator`
  ValueAggregatorBaseDescriptor.`generateValueAggregator(String type)`