001/*
002 * This file is part of OCaml-Java runtime.
003 * Copyright (C) 2007-2013 Xavier Clerc.
004 *
005 * OCaml-Java runtime is free software; you can redistribute it and/or modify
006 * it under the terms of the GNU Lesser General Public License as published by
007 * the Free Software Foundation; either version 3 of the License, or
008 * (at your option) any later version.
009 *
010 * OCaml-Java runtime is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Lesser General Public License for more details.
014 *
015 * You should have received a copy of the GNU Lesser General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.ocamljava.runtime.wrappers;
020
021import org.ocamljava.runtime.values.Value;
022
023/**
024 * The {@code AsbtractWrapper} class provides a partial implementation
025 * for the {@code Wrapper} interface, by making the {@code getWrapper(int)}
026 * method return a dummy value.
027 *
028 * @author <a href="mailto:xclerc@ocamljava.org">Xavier Clerc</a>
029 * @version 2.0
030 * @since 2.0
031 */
032public abstract class SimpleWrapper<T extends OCamlValue> implements Wrapper<T>{
033
034    /**
035     * Constructs a new instance.
036     */
037    public SimpleWrapper() {
038    } // end empty constructor
039
040    /**
041     * {@inheritDoc}
042     */
043    @Override
044    public final Wrapper<? extends OCamlValue> getWrapper(final int idx) {
045        return OCamlUnit.WRAPPER;
046    } // end method 'getWrapper(int)'
047
048} // end class 'SimpleWrapper'