Package uk.gov.gchq.gaffer.function

Interface Summary

Interface	Description
Function	A Function is a (potentially configurable) logical operation.
Tuple<R>	A Tuple provides a map-like interface to any data structure.

Class Summary

Class	Description
AggregateFunction	An AggregateFunction is a ConsumerProducerFunction that reduces a number of input records to a single output of the same record type.
ArrayTuple	An ArrayTuple is a simple implementation of the Tuple interface, backed by an array of Objects, referenced by their index.
ConsumerFunction	A ConsumerFunction is a Function that consumes input records.
ConsumerProducerFunction	A ConsumerProducerFunction is a Function that consumes input records and produces output records.
FilterFunction	A FilterFunction is a ConsumerFunction that tests input records against some criteria, returning a boolean result to indicate whether the input passes or fails the test.
IsA	An IsA FilterFunction tests whether an input Object is an instance of some control Class.
MultiFilterFunction	A MultiFilterFunction is a FilterFunction that contains a list of FilterFunctions.
ProducerFunction	A ProducerFunction is a Function that produces output records.
SimpleAggregateFunction<T>	An SimpleAggregateFunction is an AggregateFunction that takes a single input and returns a single output when state is called.
SimpleFilterFunction<T>	An SimpleFilterFunction is a FilterFunction that takes a single input object.
SimpleTransformFunction<T>	An SimpleTransformFunction is an TransformFunction that takes a single input and returns a single output.
TransformFunction	A TransformFunction is a Function that produces a new output record based on the data in an input record.