Uses of Class
org.apache.accumulo.core.iterators.Combiner

Packages that use Combiner

Package	Description
org.apache.accumulo.core.iterators
org.apache.accumulo.core.iterators.user

Uses of Combiner in org.apache.accumulo.core.iterators

Subclasses of Combiner in org.apache.accumulo.core.iterators

Modifier and Type	Class and Description
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.

Uses of Combiner in org.apache.accumulo.core.iterators.user

Subclasses of Combiner in org.apache.accumulo.core.iterators.user

Modifier and Type	Class and Description
class	BigDecimalCombiner A family of combiners that treat values as BigDecimals, encoding and decoding using the built-in BigDecimal String input/output functions.
static class	BigDecimalCombiner.BigDecimalMaxCombiner
static class	BigDecimalCombiner.BigDecimalMinCombiner
static class	BigDecimalCombiner.BigDecimalSummingCombiner
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.