service.java

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/*
 * $Header: /home/cvs/jakarta-tomcat-catalina/catalina/src/share/org/apache/catalina/Service.java,v 1.1.1.1 2002/07/18 16:47:37 remm Exp $
 * $Revision: 1.1.1.1 $
 * $Date: 2002/07/18 16:47:37 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */


package org.apache.catalina;


/**
 * A <strong>Service</strong> is a group of one or more
 * <strong>Connectors</strong> that share a single <strong>Container</strong>
 * to process their incoming requests.  This arrangement allows, for example,
 * a non-SSL and SSL connector to share the same population of web apps.
 * <p>
 * A given JVM can contain any number of Service instances; however, they are
 * completely independent of each other and share only the basic JVM facilities
 * and classes on the system class path.
 *
 * @author Craig R. McClanahan
 * @version $Revision: 1.1.1.1 $ $Date: 2002/07/18 16:47:37 $
 */

public interface Service {


    // ------------------------------------------------------------- Properties


    /**
     * Return the <code>Container</code> that handles requests for all
     * <code>Connectors</code> associated with this Service.
     */
    public Container getContainer();


    /**
     * Set the <code>Container</code> that handles requests for all
     * <code>Connectors</code> associated with this Service.
     *
     * @param container The new Container
     */
    public void setContainer(Container container);


    /**
     * Return descriptive information about this Service implementation and
     * the corresponding version number, in the format
     * <code>&lt;description&gt;/&lt;version&gt;</code>.
     */
    public String getInfo();


    /**
     * Return the name of this Service.
     */
    public String getName();


    /**
     * Set the name of this Service.
     *
     * @param name The new service name
     */
    public void setName(String name);


    /**
     * Return the <code>Server</code> with which we are associated (if any).
     */
    public Server getServer();


    /**
     * Set the <code>Server</code> with which we are associated (if any).
     *
     * @param server The server that owns this Service
     */
    public void setServer(Server server);

    
    // --------------------------------------------------------- Public Methods


    /**
     * Add a new Connector to the set of defined Connectors, and associate it
     * with this Service's Container.
     *
     * @param connector The Connector to be added
     */
    public void addConnector(Connector connector);


    /**
     * Find and return the set of Connectors associated with this Service.
     */
    public Connector[] findConnectors();


    /**
     * Remove the specified Connector from the set associated from this
     * Service.  The removed Connector will also be disassociated from our
     * Container.
     *
     * @param connector The Connector to be removed
     */
    public void removeConnector(Connector connector);

    /**
     * Invoke a pre-startup initialization. This is used to allow connectors
     * to bind to restricted ports under Unix operating environments.
     *
     * @exception LifecycleException If this server was already initialized.
     */
    public void initialize()
    throws LifecycleException;

}