org.sakaiproject.profile2.model.MessageThread.java Source code

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Here is the source code for org.sakaiproject.profile2.model.MessageThread.java

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/**
 * Copyright (c) 2008-2012 The Sakai Foundation
 *
 * Licensed under the Educational Community 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.osedu.org/licenses/ECL-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.sakaiproject.profile2.model;

import java.io.Serializable;
import java.util.Date;

import lombok.Data;
import lombok.NoArgsConstructor;

import org.apache.commons.lang.builder.ToStringBuilder;

/**
 * MessageThread.java
 * 
 * An object to represent info about a message thread
 * This is a persistent Hibernate model
 * 
 * @author Steve Swinsburg (steve.swinsburg@gmail.com)
 *
 */
@Data
@NoArgsConstructor
public class MessageThread implements Serializable, Comparable<Object> {

    private static final long serialVersionUID = 1L;

    /**
     * thread id (a uuid)
     */
    private String id;

    /**
     * subject of the thread
     */
    private String subject;

    /**
     * the most recent message in this thread - not persisted.
     */
    private Message mostRecentMessage;

    /**
     * Natural sort by order
     */
    public int compareTo(Object o) {
        Date thisDate = getMostRecentMessage().getDatePosted();
        Date otherDate = ((MessageThread) o).getMostRecentMessage().getDatePosted();
        int lastCmp = thisDate.compareTo(otherDate);
        return (lastCmp != 0 ? lastCmp : thisDate.compareTo(otherDate));
    }

}