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Packages that use ValueAggregator | |
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org.apache.hadoop.abacus | Hadoop based Abacus is a specialization of map/reduce framework, specilizing for performing various counting and aggregations. |
Uses of ValueAggregator in org.apache.hadoop.abacus |
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Classes in org.apache.hadoop.abacus that implement ValueAggregator | |
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class |
DoubleValueSum
This class implements a value aggregator that sums up a sequence of double values. |
class |
LongValueSum
This class implements a value aggregator that sums up a sequence of long values. |
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.abacus that return ValueAggregator | |
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static ValueAggregator |
ValueAggregatorBaseDescriptor.generateValueAggregator(String type)
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