/*
 * Copyright (c) 2011, 2021 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Blaise Doughan - 2.4 - initial implementation
package org.eclipse.persistence.testing.jaxb.listofobjects;

import java.util.Collection;
import java.util.Map;
import java.util.Set;

public class NullSetsMap implements Map {

    @Override
    public int size() {
        return 0;
    }

    @Override
    public boolean isEmpty() {
        return true;
    }

    @Override
    public boolean containsKey(Object key) {
        return false;
    }

    @Override
    public boolean containsValue(Object value) {
        return false;
    }

    @Override
    public Object get(Object key) {
        return null;
    }

    @Override
    public Object put(Object key, Object value) {
        return null;
    }

    @Override
    public Object remove(Object key) {
        return null;
    }

    @Override
    public void putAll(Map m) {
    }

    @Override
    public void clear() {
    }

    @Override
    public Set keySet() {
        return null;
    }

    @Override
    public Collection values() {
        return null;
    }

    @Override
    public Set entrySet() {
        return null;
    }

}