/*
 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     bstefanescu
 */
package org.eclipse.ecr.application;

import org.osgi.framework.BundleContext;

/**
 * Hook to configure a nuxeo application before and after starting the runtime.
 * Hooks can be installed using runtime fragments by defining a
 * nuxeo.configurator in a system.properties file in the fragment root.
 *
 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
 *
 */
public interface LifeCycleListener {

    /**
     * Initialize the configurator.
     * This method is called before the {@link #beforeStart(BundleContext)}
     * method is called on any other configurator.
     * @param context the runtime bundle context
     * @throws Exception
     */
    public void initialize(BundleContext context) throws Exception;

    /**
     * Runtime about to be started.
     * @param context the runtime bundle context
     * @throws Exception
     */
    public void beforeStart(BundleContext context) throws Exception;

    /**
     * Runtime was started - all available extensions were contributed. Application is started.
     * @param context the runtime context
     * @throws Exception
     */
    public void afterStart(BundleContext context) throws Exception;

    /**
     * Runtime about to be stopped.
     * @param context the runtime bundle context
     * @throws Exception
     */
    public void beforeStop(BundleContext context) throws Exception;

    /**
     * Runtime is stopped. Application is down.
     * @param context
     * @throws Exception
     */
    public void afterStop(BundleContext context) throws Exception;

}