org.polarsys.reqcycle.traceability.model.Link.java Source code

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Here is the source code for org.polarsys.reqcycle.traceability.model.Link.java

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/*******************************************************************************
 *  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.model;

import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

import org.polarsys.reqcycle.uri.model.Reachable;

import com.google.common.base.Objects;
import com.google.common.collect.Sets;

public class Link {
    Set<Reachable> sources = new HashSet<Reachable>();
    Set<Reachable> targets = new HashSet<Reachable>();
    TType kind;
    Reachable id;

    public Link(Reachable id, TType kind, Iterable<Reachable> sources, Iterable<Reachable> targets) {
        this.id = id;
        this.kind = kind;
        this.sources = Sets.newHashSet(sources);
        this.targets = Sets.newHashSet(targets);
    }

    public Link(Reachable id, TType kind, Reachable source, Reachable target) {
        this(id, kind, Collections.singleton(source), Collections.singleton(target));
    }

    public Reachable getId() {
        return id;
    }

    public String getLabel() {
        String label = kind.getLabel();
        if (kind.getSuperType() != null) {
            label += " [" + kind.getSuperType().getLabel() + "]";
        }
        return label;
    }

    public TType getKind() {
        return kind;
    }

    public Set<Reachable> getSources() {
        return Collections.unmodifiableSet(sources);
    }

    public Set<Reachable> getTargets() {
        return Collections.unmodifiableSet(targets);
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof Link) {
            Link link = (Link) obj;
            return Objects.equal(sources, link.sources) && Objects.equal(targets, link.targets)
                    && Objects.equal(kind, link.kind);
        }
        return super.equals(obj);
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(sources, targets, kind);
    }

}