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Tomcat example source code file (

This example Tomcat source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

channelexception, channelexception, channelsender, channelsender, heartbeat, heartbeat, member, member

The Tomcat source code

 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.apache.catalina.tribes;

 * ChannelReceiver Interface<br>
 * The <code>ChannelSender interface is the data sender component 
 * at the bottom layer, the IO layer (for layers see the javadoc for the {@link Channel} interface).<br>
 * The channel sender must support "silent" members, ie, be able to send a message to a member
 * that is not in the membership, but is part of the destination parameter
 * @author Filip Hanik
 * @version $Revision: 467222 $, $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $
public interface ChannelSender extends Heartbeat
     * Notify the sender of a member being added to the group.<br>
     * Optional. This can be an empty implementation, that does nothing
     * @param member Member
    public void add(Member member);
     * Notification that a member has been removed or crashed.
     * Can be used to clean up open connections etc
     * @param member Member
    public void remove(Member member);
     * Start the channel sender
     * @throws IOException if preprocessing takes place and an error happens
    public void start() throws;
     * Stop the channel sender
    public void stop();
     * A channel heartbeat, use this method to clean up resources
    public void heartbeat() ;
     * Send a message to one or more recipients.
     * @param message ChannelMessage - the message to be sent
     * @param destination Member[] - the destinations
     * @throws ChannelException - if an error happens, the ChannelSender MUST report
     * individual send failures on a per member basis, using ChannelException.addFaultyMember
     * @see ChannelException#addFaultyMember(Member,java.lang.Exception)
    public void sendMessage(ChannelMessage message, Member[] destination) throws ChannelException;

Other Tomcat examples (source code examples)

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