Package datafu.hourglass.model

Interfaces which define the incremental processing model.

See:
Description

Interface Summary

Accumulator<In,Out>	Collects a sequence of values and produces one value as a result.
KeyValueCollector<K,V>	Provided to an instance of Mapper to collect key-value pairs.
Mapper<In,OutKey,OutVal>	Maps an input record to one or more key-value pairs.
Merger<T>	Merges two values together.

Package datafu.hourglass.model Description

Interfaces which define the incremental processing model.