package org.sat4j.core;
/*******************************************************************************
* SAT4J: a SATisfiability library for Java Copyright (C) 2004-2008 Daniel Le Berre
*
* 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
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU Lesser General Public License Version 2.1 or later (the
* "LGPL"), in which case the provisions of the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of the LGPL, and not to allow others to use your version of
* this file under the terms of the EPL, indicate your decision by deleting
* the provisions above and replace them with the notice and other provisions
* required by the LGPL. If you do not delete the provisions above, a recipient
* may use your version of this file under the terms of the EPL or the LGPL.
* 
* Based on the original MiniSat specification from:
* 
* An extensible SAT solver. Niklas Een and Niklas Sorensson. Proceedings of the
* Sixth International Conference on Theory and Applications of Satisfiability
* Testing, LNCS 2919, pp 502-518, 2003.
*
* See www.minisat.se for the original solver in C++.
* 
*******************************************************************************/
import java.util.Comparator;
import java.util.Iterator;

import org.sat4j.specs.IVec;

/**
 * Utility class to allow Read Only access to an IVec<T>.
 * 
 * @author daniel
 *
 * @param <T> the type of the container.
 */
public class ReadOnlyVec<T> implements IVec<T> {

    /**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	private final IVec<T> vec;

    public ReadOnlyVec(IVec<T> vec) {
        this.vec = vec;
    }

    public void clear() {
        throw new UnsupportedOperationException();
    }

    public void copyTo(IVec<T> copy) {
        vec.copyTo(copy);
    }

    public <E> void copyTo(E[] dest) {
        vec.copyTo(dest);
    }

    public T delete(int i) {
        throw new UnsupportedOperationException();
    }

    public void ensure(int nsize) {
        throw new UnsupportedOperationException();

    }

    public T get(int i) {
        return vec.get(i);
    }

    public void growTo(int newsize, T pad) {
        throw new UnsupportedOperationException();
    }

    public void insertFirst(T elem) {
        throw new UnsupportedOperationException();
    }

    public void insertFirstWithShifting(T elem) {
        throw new UnsupportedOperationException();
    }

    public boolean isEmpty() {
        return vec.isEmpty();
    }

    public Iterator<T> iterator() {
        return vec.iterator();
    }

    public T last() {
        return vec.last();
    }

    public void moveTo(IVec<T> dest) {
        throw new UnsupportedOperationException();
    }

    public void moveTo(int dest, int source) {
        throw new UnsupportedOperationException();
    }

    public void pop() {
        throw new UnsupportedOperationException();
    }

    public IVec<T> push(Object elem) {
        throw new UnsupportedOperationException();
    }

    public void remove(Object elem) {
        throw new UnsupportedOperationException();
    }

    public void set(int i, Object o) {
        throw new UnsupportedOperationException();
    }

    public void shrink(int nofelems) {
        throw new UnsupportedOperationException();
    }

    public void shrinkTo(int newsize) {
        throw new UnsupportedOperationException();
    }

    public int size() {
        return vec.size();
    }

    public void sort(Comparator<T> comparator) {
        throw new UnsupportedOperationException();
    }

    public void sortUnique(Comparator<T> comparator) {
        throw new UnsupportedOperationException();
    }

    @SuppressWarnings("unchecked")
	public T[] toArray() {
        T[] array = (T[])new Object[vec.size()];
        vec.copyTo(array);
        return array;
    }

    public void unsafePush(T elem) {
        throw new UnsupportedOperationException();
    }

}