/*
 * ============================================================================
 * GNU Lesser General Public License
 * ============================================================================
 *
 * Beanlet - JSE Application Container.
 * Copyright (C) 2006  Leon van Zantvoort
 * 
 * This library 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 library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
 * 
 * Leon van Zantvoort
 * 243 Acalanes Drive #11
 * Sunnyvale, CA 94086
 * USA
 *
 * zantvoort@users.sourceforge.net
 * http://beanlet.org
 */
package org.beanlet.impl;

import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import org.jargo.ComponentConfiguration;
import org.jargo.ExecutorHandle;

/**
 *
 * @author Leon van Zantvoort
 */
public final class BeanletExecutorHandleImpl implements ExecutorHandle {

    private final ExecutorService executorService;
    private final Executor executor;

    public BeanletExecutorHandleImpl(ComponentConfiguration configuration,
            final ThreadFactory threadFactory) {
        this.executorService = Executors.newCachedThreadPool(threadFactory);
        this.executor = new Executor() {
            public void execute(Runnable command) {
                executorService.execute(command);
            }
        };
    }

    public Executor getExecutor() {
        return executor;
    }

    public void destroy() {
        AccessController.doPrivileged(new PrivilegedAction<Object>() {
            public Object run() {
                // PERMISSION: java.lang.RuntimePermission modifyThread
                executorService.shutdown();
                return null;
            }
        });
    }
}