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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2012, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jboss.as.ejb3.component.stateful;

/**
 * Thread local that tracks the current state of SFSB synchronization callbacks
 *
 * @author Stuart Douglas
 */
public class CurrentSynchronizationCallback {

    public enum CallbackType {
        AFTER_BEGIN,
        AFTER_COMPLETION,
        BEFORE_COMPLETION
    }

    private static final ThreadLocal type = new ThreadLocal();

    public static CallbackType get() {
        return type.get();
    }

    public static void set(CallbackType callback) {
        type.set(callback);
    }

    public static void clear() {
        type.remove();
    }

}