/* Copyright 2004-2005 the original author or authors.
 * 
 * Licensed 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 org.codehaus.groovy.grails.commons;

import javax.servlet.ServletContext;

import groovy.lang.Closure;

/**
 * <p>A BootStrap class is a class that is loaded and executed on application load</p>
 * 
 * @author Graeme Rocher
 * @since Jul 5, 2005
 */
public interface GrailsBootstrapClass extends GrailsClass {
	
	/**
	 * Calls the init closure if one exists
	 *
	 */
	void callInit(ServletContext servletContext);
	
	/**
	 * Calls the destroy closure if one exists
	 *
	 */
	void callDestroy();
	/**
	 * Returns the init closure which is called on application load
	 * 
	 * @return A Closure instance
	 */
	Closure getInitClosure();
	
	/**
	 * Returns the destroy closure which is called on application exit
	 * 
	 * @return A Closure instance
	 */
	Closure getDestroyClosure();
}