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Rule base analysis for InteGraal. This is imported from Graal
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/*
 * Copyright (C) Inria Sophia Antipolis - Méditerranée / LIRMM
 * (Université de Montpellier & CNRS) (2014 - 2017)
 *
 * Contributors :
 *
 * Clément SIPIETER 
 * Mélanie KÖNIG
 * Swan ROCHER
 * Jean-François BAGET
 * Michel LECLÈRE
 * Marie-Laure MUGNIER 
 *
 *
 * This file is part of Graal .
 *
 * This software is governed by the CeCILL  license under French law and
 * abiding by the rules of distribution of free software.  You can  use,
 * modify and/ or redistribute the software under the terms of the CeCILL
 * license as circulated by CEA, CNRS and INRIA at the following URL
 * "http://www.cecill.info".
 *
 * As a counterpart to the access to the source code and  rights to copy,
 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty  and the software's author,  the holder of the
 * economic rights,  and the successive licensors  have only  limited
 * liability.
 *
 * In this respect, the user's attention is drawn to the risks associated
 * with loading,  using,  modifying and/or developing or reproducing the
 * software by the user in light of its specific status of free software,
 * that may mean  that it is complicated to manipulate,  and  that  also
 * therefore means  that it is reserved for developers  and  experienced
 * professionals having in-depth computer knowledge. Users are therefore
 * encouraged to load and test the software's suitability as regards their
 * requirements in conditions enabling the security of their systems and/or
 * data to be ensured and,  more generally, to use and operate it in the
 * same conditions as regards security.
 *
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL license and that you accept its terms.
 */
 /**
 * 
 */
package fr.lirmm.graphik.util;

import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Set;

/**
 * @author Clément Sipieter (INRIA) {@literal }
 *
 */
public class LinkedSet implements Set {

	LinkedList list = new LinkedList();

	@Override
	public boolean add(E e) {
		if(!list.contains(e)) {
			return list.add(e);
		}
		return false;
	}

	@Override
	public boolean addAll(Collection c) {
		boolean res = false;
		for(E e : c)
			res = res || this.add(e);
		
		return res;
	}

	@Override
	public void clear() {
		list.clear();
	}

	@Override
	public boolean contains(Object o) {
		return list.contains(o);
	}

	@Override
	public boolean containsAll(Collection c) {
		return list.containsAll(c);
	}

	@Override
	public boolean isEmpty() {
		return list.isEmpty();
	}

	@Override
	public Iterator iterator() {
		return list.iterator();
	}

	@Override
	public boolean remove(Object o) {
		return list.remove(o);
	}

	@Override
	public boolean removeAll(Collection c) {
		return list.removeAll(c);
	}

	@Override
	public boolean retainAll(Collection c) {
		return list.retainAll(c);
	}

	@Override
	public int size() {
		return list.size();
	}

	@Override
	public Object[] toArray() {
		return list.toArray();
	}

	@Override
	public  T[] toArray(T[] array) {
		return list.toArray(array);
	}

}