Package com.hazelcast.mapreduce.aggregation

This package contains the aggregation API and the convenience helper classes to retrieve predefined aggregation implementations.

See:
Description

Interface Summary

Aggregation<Key,Supplied,Result>	The Aggregation interface combines multiple map-reduce operations steps to a single operation definition.
PropertyExtractor<ValueIn,ValueOut>	The PropertyExtractor interface is used in suppliers to retrieve values from input value types and extract or transform them to some other type to be used in aggregations.

Class Summary

Aggregations	This class is used to access the Hazelcast predefined set of aggregations in a type-safe way.
Supplier<KeyIn,ValueIn,ValueOut>	The Supplier interface is used to supply values from input data structures like IMap or MultiMap to an aggregation.

Package com.hazelcast.mapreduce.aggregation Description

This package contains the aggregation API and the convenience helper classes to retrieve predefined aggregation implementations.