/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.core;
import java.util.EventObject;
/**
* Message for {@link ITopic}.
*
* @param <E> message type
*/
public class Message<E> extends EventObject {
protected E messageObject;
private final long publishTime;
private final Member publishingMember;
public Message(String topicName, E messageObject, long publishTime, Member publishingMember) {
super(topicName);
this.messageObject = messageObject;
this.publishTime = publishTime;
this.publishingMember = publishingMember;
}
/**
* Returns the published message
*
* @return the published message object
*/
public E getMessageObject() {
return messageObject;
}
/**
* Return the time when the message is published
*
* @return the time when the message is published
*/
public long getPublishTime() {
return publishTime;
}
/**
* Returns the member that published the message.
*
* It can be that the member is null if:
* <ol>
* <li>the message was send by a client and not a member</li>
* <li>the member that send the message, left the cluster before the message was processed.</li>
* </ol>
*
* @return the member that published the message
*/
public Member getPublishingMember() {
return publishingMember;
}
}