Package | Description |
---|---|
org.apache.accumulo.core.iterators | |
org.apache.accumulo.core.iterators.user |
Modifier and Type | Class and Description |
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class |
LongCombiner
A TypedValueCombiner that translates each Value to a Long before reducing, then encodes the reduced Long back to a Value.
|
class |
TypedValueCombiner<V>
A Combiner that decodes each Value to type V before reducing, then encodes the result of typedReduce back to Value.
|
Modifier and Type | Class and Description |
---|---|
class |
MaxCombiner
A Combiner that interprets Values as Longs and returns the largest Long among them.
|
class |
MinCombiner
A Combiner that interprets Values as Longs and returns the smallest Long among them.
|
class |
SummingArrayCombiner
A Combiner that interprets Values as arrays of Longs and returns an array of element-wise sums.
|
class |
SummingCombiner
A Combiner that interprets Values as Longs and returns their sum.
|
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