| /* |
| * 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. |
| */ |
| package org.apache.ode.jacob; |
| |
| import java.io.Serializable; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| |
| /** |
| * TODO: Document... |
| * TODO: should anything be final here? the class itself? |
| */ |
| |
| public class Message implements Serializable { |
| private static final long serialVersionUID = -2118625760125445959L; |
| |
| private static final AtomicLong idGen = new AtomicLong(); |
| |
| private long id; |
| private ChannelRef to; |
| private ChannelRef replyTo; |
| private String action; |
| private Map<String, Object> headers; |
| private Object body; |
| |
| public Message() { |
| id = idGen.incrementAndGet(); |
| // TODO: always allocating headers may not be a good idea |
| // checking for non-null headers in the getters below is |
| // not great either; should look into a better option later |
| // after finishing pi-calculus refactoring and running some |
| // perf tests |
| headers = new ConcurrentHashMap<String, Object>(); |
| } |
| |
| public Message(ChannelRef to, ChannelRef replyTo, String action) { |
| this(); |
| this.to = to; |
| this.replyTo = replyTo; |
| this.action = action; |
| } |
| |
| // TODO: add any other convenience methods like addHeader, removeHeader? |
| public long getId() { |
| return id; |
| } |
| public void setId(long id) { |
| this.id = id; |
| } |
| public ChannelRef getTo() { |
| return to; |
| } |
| public void setTo(ChannelRef to) { |
| this.to = to; |
| } |
| public ChannelRef getReplyTo() { |
| return replyTo; |
| } |
| public void setReplyTo(ChannelRef replyTo) { |
| this.replyTo = replyTo; |
| } |
| public String getAction() { |
| return action; |
| } |
| public void setAction(String action) { |
| this.action = action; |
| } |
| |
| public Map<String, Object> getHeaders() { |
| return headers; |
| } |
| public void setHeaders(Map<String, Object> headers) { |
| this.headers = headers; |
| } |
| public Object getBody() { |
| return body; |
| } |
| public void setBody(Object body) { |
| this.body = body; |
| } |
| |
| public boolean containsHeader(String header) { |
| return headers.containsKey(header); |
| } |
| |
| |
| public String toString() { |
| return "Message [id=" + id + ", " |
| + (to != null ? "to=" + to + ", " : "") |
| + (replyTo != null ? "replyTo=" + replyTo + ", " : "") |
| + (action != null ? "action=" + action + ", " : "") |
| + (headers != null ? "headers=" + headers + ", " : "") |
| + (body != null ? "body=" + body : "") + "]"; |
| } |
| |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + (int) (id ^ (id >>> 32)); |
| return result; |
| } |
| |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| Message other = (Message) obj; |
| if (id != other.id) |
| return false; |
| return true; |
| } |
| |
| public static Message copyFrom(Message message) { |
| Message result = new Message(); |
| |
| result.setId(idGen.incrementAndGet()); |
| |
| result.setAction(message.getAction()); |
| result.setBody(message.getBody()); |
| result.setHeaders(message.getHeaders()); |
| result.setTo(message.getTo()); |
| result.setReplyTo(message.getReplyTo()); |
| |
| return result; |
| } |
| } |