org.openimaj.util.function.context

Class ContextListTransformFunction<IN,OUT>

java.lang.Object

org.openimaj.util.function.context.ContextListTransformFunction<IN,OUT>

Type Parameters:

IN -

OUT -

All Implemented Interfaces:

Function<List<Context>,OUT>

public class ContextListTransformFunction<IN,OUT>
extends Object
implements Function<List<Context>,OUT>

Transform a List of Context instances to a List of IN and immediately hand this list to an internal function. Return this function's application on the klist as stream

Author:

Sina Samangooei (ss@ecs.soton.ac.uk)

Constructor Summary

Constructors

Constructor and Description
ContextListTransformFunction(ContextExtractor<IN> extract, Function<List<IN>,OUT> inner)
ContextListTransformFunction(String key, Function<List<IN>,OUT> inner)

Method Summary

Modifier and Type	Method and Description
OUT	apply(List<Context> in) Apply the function to the input argument and return the result.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ContextListTransformFunction

public ContextListTransformFunction(ContextExtractor<IN> extract,
                                    Function<List<IN>,OUT> inner)

Parameters:

extract - the extraction strategy

inner - the function applied to the transformed list

ContextListTransformFunction

public ContextListTransformFunction(String key,
                                    Function<List<IN>,OUT> inner)

Parameters:

key - the key to extract (a KeyContextExtractor is used)

inner - function applied to the transformed list

Method Detail

apply

public OUT apply(List<Context> in)

Description copied from interface: Function

Apply the function to the input argument and return the result.

Specified by:

apply in interface Function<List<Context>,OUT>

Parameters:

in - the input object

Returns:

the result of the function