org.polarsys.reqcycle.traceability.cache.emfbased.predicates.TraceabilityLinkPredicate.java Source code

Introduction

Here is the source code for org.polarsys.reqcycle.traceability.cache.emfbased.predicates.TraceabilityLinkPredicate.java

Source

/*******************************************************************************
 *  Copyright (c) 2013 AtoS
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License v1.0
 *  which accompanies this distribution, and is available at
 *  http://www.eclipse.org/legal/epl-v10.html *
 *  Contributors:
 *    Tristan Faure (AtoS) - initial API and implementation and/or initial documentation
 *******************************************************************************/
package org.polarsys.reqcycle.traceability.cache.emfbased.predicates;

import java.util.NoSuchElementException;

import org.polarsys.reqcycle.traceability.cache.emfbased.model.CacheTracability.TraceabilityLink;
import org.polarsys.reqcycle.traceability.cache.emfbased.model.CacheTracability.TraceableElement;

import com.google.common.base.Objects;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.collect.Iterables;

public class TraceabilityLinkPredicate implements Predicate<TraceabilityLink> {

    private TraceableElement source;
    private Iterable<TraceableElement> targets;
    private String label;

    public TraceabilityLinkPredicate(TraceableElement source, Iterable<TraceableElement> targets, String label) {
        this.source = source;
        this.targets = targets;
        this.label = label;
    }

    @Override
    public boolean apply(TraceabilityLink arg0) {
        try {
            if (Objects.equal(arg0.getLabel(), label)) {
                if (Iterables.find(arg0.getSources(), Predicates.equalTo(source)) != null) {
                    if (Iterables.elementsEqual(arg0.getTargets(), targets)) {
                        return true;
                    }
                }
            }
        } catch (NoSuchElementException e) {
        }
        return false;
    }

}