/*
 * Copyright 2008-2009 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package org.visage.runtime;

import java.lang.reflect.Method;

/**
 * Defines the interface for libraries that define Visage entry points.
 * 
 * @author Tom Ball
 */
public interface RuntimeProvider {

    /**
     * Returns true if this provider is used by the Visage application.
     * 
     * @param application the Visage application to be run
     */
    boolean usesRuntimeLibrary(Class application);
    
    /**
     * Starts execution of the Visage application.
     * 
     * @param entryPoint the application method to execute.
     */
    Object run(Method entryPoint, String... args) throws Throwable;

    void deferAction(Runnable action);

    /**
     * Exit Visage application
     * <p>
     * Do any any nessecary cleanup here so the runtime
     * can exit cleanly
     */
     void exit();
}