de.bmiag.tapir.variant.service

Class FeatureBasedContainerFilterService

java.lang.Object

de.bmiag.tapir.variant.service.FeatureBasedContainerFilterService

@Component(value="tapirFeatureBasedContainerFilterService")
public class FeatureBasedContainerFilterService
extends Object

This service allows the filtering of FeatureBasedContainer elements.

Since:

3.3.0

Author:

Nils Christian Ehmke <nils-christian.ehmke@bmiag.de>

Constructor Summary

Constructors

Constructor and Description
FeatureBasedContainerFilterService()

Method Summary

Modifier and Type	Method and Description
<T> Iterable<T>	filterByActivatedFeatures(Iterable<FeatureBasedContainer<T>> iterable) Filters the given Iterable by evaluation the FeatureExpression of each container.

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureBasedContainerFilterService

public FeatureBasedContainerFilterService()

Method Detail

filterByActivatedFeatures

public <T> Iterable<T> filterByActivatedFeatures(Iterable<FeatureBasedContainer<T>> iterable)

Filters the given Iterable by evaluation the FeatureExpression of each container. Only those containers without an expression or whose expression evaluates to true are contained in the returned Iterable.

Parameters:

iterable - The input Iterable. Must not be null.

Returns:

A new Iterable containing only the active elements.

Throws:

NullPointerException - If the given Iterable is null.

Since:

3.3.0