| package org.apache.commons.jcs.utils.discovery; |
| |
| /* |
| * 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 |
| * |
| * 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. |
| */ |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| |
| /** |
| * The message sent by the discovery mechanism. |
| */ |
| public class UDPDiscoveryMessage |
| implements Serializable |
| { |
| /** Don't change */ |
| private static final long serialVersionUID = -5332377899560951793L; |
| |
| public enum BroadcastType |
| { |
| /** |
| * This is the periodic broadcast of a servers location. This type of message is also sent in |
| * response to a REQUEST_BROADCAST. |
| */ |
| PASSIVE, |
| |
| /** |
| * This asks recipients to broadcast their location. This is used on startup. |
| */ |
| REQUEST, |
| |
| /** |
| * This message instructs the receiver to remove this service from its list. |
| */ |
| REMOVE |
| } |
| |
| /** The message type */ |
| private BroadcastType messageType = BroadcastType.PASSIVE; |
| |
| /** udp port */ |
| private int port = 6789; |
| |
| /** UDP host */ |
| private String host = "228.5.6.7"; |
| |
| /** Id of the requester, allows self-filtration */ |
| private long requesterId; |
| |
| /** Names of regions */ |
| private ArrayList<String> cacheNames = new ArrayList<>(); |
| |
| /** |
| * @param port The port to set. |
| */ |
| public void setPort( int port ) |
| { |
| this.port = port; |
| } |
| |
| /** |
| * @return Returns the port. |
| */ |
| public int getPort() |
| { |
| return port; |
| } |
| |
| /** |
| * @param host The host to set. |
| */ |
| public void setHost( String host ) |
| { |
| this.host = host; |
| } |
| |
| /** |
| * @return Returns the host. |
| */ |
| public String getHost() |
| { |
| return host; |
| } |
| |
| /** |
| * @param requesterId The requesterId to set. |
| */ |
| public void setRequesterId( long requesterId ) |
| { |
| this.requesterId = requesterId; |
| } |
| |
| /** |
| * @return Returns the requesterId. |
| */ |
| public long getRequesterId() |
| { |
| return requesterId; |
| } |
| |
| /** |
| * @param messageType The messageType to set. |
| */ |
| public void setMessageType( BroadcastType messageType ) |
| { |
| this.messageType = messageType; |
| } |
| |
| /** |
| * @return Returns the messageType. |
| */ |
| public BroadcastType getMessageType() |
| { |
| return messageType; |
| } |
| |
| /** |
| * @param cacheNames The cacheNames to set. |
| */ |
| public void setCacheNames( ArrayList<String> cacheNames ) |
| { |
| this.cacheNames = cacheNames; |
| } |
| |
| /** |
| * @return Returns the cacheNames. |
| */ |
| public ArrayList<String> getCacheNames() |
| { |
| return cacheNames; |
| } |
| |
| /** |
| * @return debugging string |
| */ |
| @Override |
| public String toString() |
| { |
| StringBuilder buf = new StringBuilder(); |
| buf.append( "\n host = [" + host + "]" ); |
| buf.append( "\n port = [" + port + "]" ); |
| buf.append( "\n requesterId = [" + requesterId + "]" ); |
| buf.append( "\n messageType = [" + messageType + "]" ); |
| buf.append( "\n Cache Names" ); |
| for (String name : cacheNames) |
| { |
| buf.append( " cacheName = [" + name + "]" ); |
| } |
| return buf.toString(); |
| } |
| } |