org.openimaj.util.function.context

Class ContextPredicateAdaptor<T>

java.lang.Object

org.openimaj.util.function.context.ContextAdaptor<Predicate<T>,T,T>

org.openimaj.util.function.context.ContextPredicateAdaptor<T>

Type Parameters:

T - Type processed by the predicate

All Implemented Interfaces:

Predicate<Context>

public class ContextPredicateAdaptor<T>
extends ContextAdaptor<Predicate<T>,T,T>
implements Predicate<Context>

An adaptor that allows a Predicate to be applied to a Context , based on a single element of the Context.

Author:

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

Field Summary

Fields inherited from class org.openimaj.util.function.context.ContextAdaptor

extract, inner, insert

Constructor Summary

Constructors

Constructor and Description
ContextPredicateAdaptor(Predicate<T> inner, ContextExtractor<T> extract, ContextInsertor<T> insert) Construct with the given options.
ContextPredicateAdaptor(Predicate<T> inner, String both) Construct with the given predicate.
ContextPredicateAdaptor(Predicate<T> inner, String extract, String insert) Construct with the given predicate.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	test(Context in) Tests whether a specific object passes some criteria.

Methods inherited from class java.lang.Object

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

Constructor Detail

ContextPredicateAdaptor

public ContextPredicateAdaptor(Predicate<T> inner,
                       ContextExtractor<T> extract,
                       ContextInsertor<T> insert)

Construct with the given options.

Parameters:

inner - the predicate

extract - the extractor

insert - the insertor

ContextPredicateAdaptor

public ContextPredicateAdaptor(Predicate<T> inner,
                       String extract,
                       String insert)

Construct with the given predicate. The insertor and extractor are created from the given keys.

Parameters:

inner - the predicate

extract - the key to extract from the context to produce the input for the object

insert - the key to insert with the the output for the object

ContextPredicateAdaptor

public ContextPredicateAdaptor(Predicate<T> inner,
                       String both)

Construct with the given predicate. The insertor and extractor are created from the same key, so the output will overwrite the input.

Parameters:

inner - the object being adapted

both - the key to extract/insert

Method Detail

test

public boolean test(Context in)

Description copied from interface: Predicate

Tests whether a specific object passes some criteria.

Specified by:

test in interface Predicate<Context>

Parameters:

in - the object being tested.

Returns:

true if object passes the criteria; false otherwise.