/*
 * Copyright (C) 2000-2013 Heinz Max Kabutz
 *
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.  Heinz Max Kabutz licenses
 * this file to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may
 * obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package eu.javaspecialists.tjsn.concurrency.util;


import sun.misc.*;

import java.lang.reflect.*;

/**
 * DO NOT CHANGE.  In fact, DO NOT USE.  You never saw this class.  Just move
 * along now please.  Some men in black will now take a group photo.
 */
final public class UnsafeProvider {
    public static Unsafe getUnsafe() {
        try {
            for (Field field : Unsafe.class.getDeclaredFields()) {
                if (Modifier.isStatic(field.getModifiers())) {
                    if (field.getType() == Unsafe.class) {
                        field.setAccessible(true);
                        return (Unsafe) field.get(null);
                    }
                }
            }
            throw new IllegalStateException("Unsafe field not found");
        } catch (Exception e) {
            throw new IllegalStateException(
                    "Could not initialize unsafe", e);
        }
    }
}
