| /* |
| * Copyright (c) 2001, 2004, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.corba.se.pept.transport; |
| |
| import com.sun.corba.se.pept.broker.Broker; |
| import com.sun.corba.se.pept.protocol.MessageMediator; |
| import com.sun.corba.se.pept.encoding.InputObject; |
| import com.sun.corba.se.pept.encoding.OutputObject; |
| import com.sun.corba.se.pept.transport.Connection; |
| import com.sun.corba.se.pept.transport.EventHandler; |
| |
| /** |
| * <p>The <b><em>primary</em></b> PEPt server-side plug-in point and enabler |
| * for <b><em>altenate encodings, protocols and transports</em></b>.</p> |
| * |
| * <p><code>Acceptor</code> is a <em>factory</em> for client-side |
| * artifacts used to receive a message (and possibly send a response).</p> |
| * |
| * @author Harold Carr |
| */ |
| public interface Acceptor |
| { |
| /** |
| * Used to initialize an <code>Acceptor</code>. |
| * |
| * For example, initialization may mean to create a |
| * {@link java.nio.channels.ServerSocketChannel ServerSocketChannel}. |
| * |
| * Note: this must be prepared to be be called multiple times. |
| * |
| * @return <code>true</code> when it performs initializatin |
| * actions (typically the first call. |
| */ |
| public boolean initialize(); |
| |
| /** |
| * Used to determine if an <code>Acceptor</code> has been initialized. |
| * |
| * @return <code>true</code> if the <code>Acceptor</code> has been |
| * initialized. |
| */ |
| public boolean initialized(); |
| |
| /** |
| * PEPt uses separate caches for each type of <code>Acceptor</code> |
| * as given by <code>getConnectionCacheType</code>. |
| * |
| * @return {@link java.lang.String} |
| */ |
| public String getConnectionCacheType(); |
| |
| /** |
| * Set the |
| * {@link com.sun.corba.se.pept.transport.InboundConnectionCache InboundConnectionCache} |
| * to be used by this <code>Acceptor</code>. |
| * |
| * PEPt uses separate caches for each type of <code>Acceptor</code> |
| * as given by {@link #getConnectionCacheType}. |
| * {@link #setConnectionCache} and {@link #getConnectionCache} support |
| * an optimzation to avoid hashing to find that cache. |
| * |
| * @param connectionCache. |
| */ |
| public void setConnectionCache(InboundConnectionCache connectionCache); |
| |
| /** |
| * Get the |
| * {@link com.sun.corba.se.pept.transport.InboundConnectionCache InboundConnectionCache} |
| * used by this <code>Acceptor</code> |
| * |
| * PEPt uses separate caches for each type of <code>Acceptor</code> |
| * as given by {@link #getConnectionCacheType}. |
| * {@link #setConnectionCache} and {@link #getConnectionCache} support |
| * an optimzation to avoid hashing to find that cache. |
| * |
| * @return |
| * {@link com.sun.corba.se.pept.transport.ConnectionCache ConnectionCache} |
| */ |
| public InboundConnectionCache getConnectionCache(); |
| |
| /** |
| * Used to determine if the <code>Acceptor</code> should register |
| * with |
| * {@link com.sun.corba.se.pept.transport.Selector Selector} |
| * to handle accept events. |
| * |
| * For example, this may be <em>false</em> in the case of Solaris Doors |
| * which do not actively listen. |
| * |
| * @return <code>true</code> if the <code>Acceptor</code> should be |
| * registered with |
| * {@link com.sun.corba.se.pept.transport.Selector Selector} |
| */ |
| public boolean shouldRegisterAcceptEvent(); |
| |
| /** |
| * Accept a connection request. |
| * |
| * This is called either when the selector gets an accept event |
| * for this <code>Acceptor</code> or by a |
| * {@link com.sun.corba.se.pept.transport.ListenerThread ListenerThread}. |
| * |
| * It results in a |
| * {@link com.sun.corba.se.pept.transport.Connection Connection} |
| * being created. |
| */ |
| public void accept(); |
| |
| /** |
| * Close the <code>Acceptor</code>. |
| */ |
| public void close(); |
| |
| /** |
| * Get the |
| * {@link com.sun.corba.se.pept.transport.EventHandler EventHandler} |
| * associated with this <code>Acceptor</code>. |
| * |
| * @return |
| * {@link com.sun.corba.se.pept.transport.EventHandler EventHandler} |
| */ |
| public EventHandler getEventHandler(); |
| |
| // |
| // Factory methods |
| // |
| |
| // REVISIT: Identical to ContactInfo method. Refactor into base interface. |
| |
| /** |
| * Used to get a |
| * {@link com.sun.corba.se.pept.protocol.MessageMeidator MessageMediator} |
| * to hold internal data for a message received using the specific |
| * encoding, protocol, transport combination represented by this |
| * <code>Acceptor</code>. |
| * |
| * @return |
| * {@link com.sun.corba.se.pept.protocol.MessageMeidator MessageMediator} |
| */ |
| public MessageMediator createMessageMediator(Broker xbroker, |
| Connection xconnection); |
| |
| // REVISIT: Identical to ContactInfo method. Refactor into base interface. |
| |
| /** |
| * Used to finish creating a |
| * {@link com.sun.corba.se.pept.protocol.MessageMeidator MessageMediator} |
| * to with internal data for a message received using the specific |
| * encoding, protocol, transport combination represented by this |
| * <code>Acceptor</code>. |
| * |
| * @return |
| * {@link com.sun.corba.se.pept.protocol.MessageMediator MessageMediator} |
| */ |
| |
| public MessageMediator finishCreatingMessageMediator(Broker broker, |
| Connection xconnection, |
| MessageMediator messageMediator); |
| |
| /** |
| * Used to get a |
| * {@link com.sun.corba.se.pept.encoding.InputObject InputObject} |
| * for the specific <em>encoding</em> represented by this |
| * <code>Acceptor</code>. |
| * |
| * @return |
| * {@link com.sun.corba.se.pept.encoding.InputObject InputObject} |
| */ |
| public InputObject createInputObject(Broker broker, |
| MessageMediator messageMediator); |
| |
| /** |
| * Used to get a |
| * {@link com.sun.corba.se.pept.encoding.OutputObject OutputObject} |
| * for the specific <em>encoding</em> represented by this |
| * <code>Acceptor</code>. |
| * |
| * @return |
| * {@link com.sun.corba.se.pept.encoding.OutputObject OutputObject} |
| */ |
| public OutputObject createOutputObject(Broker broker, |
| MessageMediator messageMediator); |
| |
| // |
| // Usage dictates implementation equals and hashCode. |
| // |
| } |
| |
| // End of file. |