uk.gov.gchq.gaffer.function

Class TransformFunction

java.lang.Object

uk.gov.gchq.gaffer.function.ConsumerFunction

uk.gov.gchq.gaffer.function.ConsumerProducerFunction

uk.gov.gchq.gaffer.function.TransformFunction

All Implemented Interfaces:

Function

Direct Known Subclasses:

SimpleTransformFunction

public abstract class TransformFunction
extends ConsumerProducerFunction

A TransformFunction is a Function that produces a new output record based on the data in an input record.

For example:
TransformFunction concat = new Concat("|");
Object[] result = concat.transform({"a", "b"}); // result = {"a|b"}

Constructor Summary

Constructors

Constructor and Description
TransformFunction()

Method Summary

Modifier and Type	Method and Description
abstract TransformFunction	statelessClone() Create a deep copy of this Function, including any configuration values.
abstract Object[]	transform(Object[] input) Execute this TransformFunction with an input record to produce a new output record.

Methods inherited from class uk.gov.gchq.gaffer.function.ConsumerProducerFunction

equals, getOutputClasses, hashCode, toString

Methods inherited from class uk.gov.gchq.gaffer.function.ConsumerFunction

getInputClasses

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TransformFunction

public TransformFunction()

Method Detail

transform

public abstract Object[] transform(Object[] input)

Execute this TransformFunction with an input record to produce a new output record.

Parameters:

input - Input record.

Returns:

Output record.

statelessClone

public abstract TransformFunction statelessClone()

Description copied from interface: Function

Create a deep copy of this Function, including any configuration values. Stateful functions should have their state initialised.

Specified by:

statelessClone in interface Function

Specified by:

statelessClone in class ConsumerProducerFunction

Returns:

Deep copy of this Function.