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Package com.tangosol.util.aggregator

Contains concrete InvocableMap.EntryAggregator implementations.

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Description

Class Summary

AbstractAggregator	Abstract base class implementation of InvocableMap.EntryAggregator that supports parallel aggregation.
AbstractBigDecimalAggregator	Abstract aggregator that processes Comparable values extracted from a set of entries in a Map and returns a result in a form of a BigDecimal value.
AbstractComparableAggregator	Abstract aggregator that processes values extracted from a set of entries in a Map, with knowledge of how to compare those values.
AbstractDoubleAggregator	Abstract aggregator that processes numeric values extracted from a set of entries in a Map.
AbstractLongAggregator	Abstract aggregator that processes numeric values extracted from a set of entries in a Map.
BigDecimalAverage	Calculates an average for values of any numberic type extracted from a set of entries in a Map in a form of a BigDecimal value.
BigDecimalMax	Calculates a maximum of numeric values extracted from a set of entries in a Map in a form of a BigDecimal value.
BigDecimalMin	Calculates a minimum of numeric values extracted from a set of entries in a Map in a form of a BigDecimal value.
BigDecimalSum	Calculates an sum for values of any numberic type extracted from a set of entries in a Map in a form of a BigDecimal value.
ComparableMax	Calculates a maximum among values extracted from a set of entries in a Map.
ComparableMin	Calculates a minimum among values extracted from a set of entries in a Map.
CompositeAggregator	CompositeAggregator provides an ability to execute a collection of aggregators against the same subset of the entries in an InvocableMap, resulting in a list of corresponding aggregation results.
CompositeAggregator.Parallel	Parallel implementation of the CompositeAggregator.
Count	Calculates a number of values in an entry set.
DistinctValues	Return the set of unique values extracted from a set of entries in a Map.
DoubleAverage	Calculates an average for values of any numberic type extracted from a set of entries in a Map.
DoubleMax	Calculates a maximum of numeric values extracted from a set of entries in a Map.
DoubleMin	Calculates a minimum of numeric values extracted from a set of entries in a Map.
DoubleSum	Sums up numeric values extracted from a set of entries in a Map.
GroupAggregator	The GroupAggregator provides an ability to split a subset of entries in an InvocableMap into a collection of non-intersecting subsets and then aggregate them separately and independently.
GroupAggregator.Parallel	Parallel implementation of the GroupAggregator.
LongMax	Calculates a maximum of numeric values extracted from a set of entries in a Map.
LongMin	Calculates a minimum of numeric values extracted from a set of entries in a Map.
LongSum	Sums up numeric values extracted from a set of entries in a Map.
PriorityAggregator	PriorityAggregator is used to explicitly control the scheduling priority and timeouts for execution of EntryAggregator-based methods.
QueryRecorder	This parallel aggregator used to produce a QueryRecord object that contains an estimated or actual cost of the query execution for a given filter.
QueryRecorder.RecordType	RecordType enum specifies whether the QueryRecorder should be used to produce a QueryRecord object that contains an estimated or an actual cost of the query execution.
ReducerAggregator	The ReducerAggregator is used to implement functionality similar to CacheMap.getAll(Collection) API.

Package com.tangosol.util.aggregator Description

Contains concrete InvocableMap.EntryAggregator implementations.

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