org.apache.catalina.Lifecycle Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2004 The Apache Software Foundation
*
* 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.apache.catalina;
import java.util.List;
/**
* Common interface for component life cycle methods. Catalina components
* may, but are not required to, implement this interface (as well as the
* appropriate interface(s) for the functionality they support) in order to
* provide a consistent mechanism to start and stop the component.
*
* @author Craig R. McClanahan
* @version $Revision: 1.1.2.1 $ $Date: 2007/08/17 15:46:26 $
*/
public interface Lifecycle {
// ----------------------------------------------------- Manifest Constants
// START GlassFish 2439
/**
* The LifecycleEvent type for the "component init" event.
*/
String INIT_EVENT = "init";
// END GlassFish 2439
/**
* The LifecycleEvent type for the "component start" event.
*/
String START_EVENT = "start";
/**
* The LifecycleEvent type for the "component before start" event.
*/
String BEFORE_START_EVENT = "before_start";
/**
* The LifecycleEvent type for the "component after start" event.
*/
String AFTER_START_EVENT = "after_start";
/**
* The LifecycleEvent type for the "component stop" event.
*/
String STOP_EVENT = "stop";
/**
* The LifecycleEvent type for the "component before stop" event.
*/
String BEFORE_STOP_EVENT = "before_stop";
/**
* The LifecycleEvent type for the "component after stop" event.
*/
String AFTER_STOP_EVENT = "after_stop";
// --------------------------------------------------------- Public Methods
/**
* Add a LifecycleEvent listener to this component.
*
* @param listener The listener to add
*/
void addLifecycleListener(LifecycleListener listener);
/**
* Gets the (possibly empty) list of lifecycle listeners associated
* with this Lifecycle instance.
*/
List findLifecycleListeners();
/**
* Remove a LifecycleEvent listener from this component.
*
* @param listener The listener to remove
*/
void removeLifecycleListener(LifecycleListener listener);
/**
* Prepare for the beginning of active use of the public methods of this
* component. This method should be called before any of the public
* methods of this component are utilized. It should also send a
* LifecycleEvent of type START_EVENT to any registered listeners.
*
* @exception LifecycleException if this component detects a fatal error
* that prevents this component from being used
*/
void start() throws LifecycleException;
/**
* Gracefully terminate the active use of the public methods of this
* component. This method should be the last one called on a given
* instance of this component. It should also send a LifecycleEvent
* of type STOP_EVENT to any registered listeners.
*
* @exception LifecycleException if this component detects a fatal error
* that needs to be reported
*/
void stop() throws LifecycleException;
}