001/*
002 *  Copyright 2016 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.plugins.explorer.threads;
017
018import java.util.Date;
019
020import org.ametys.core.user.UserIdentity;
021import org.ametys.plugins.explorer.ExplorerNode;
022import org.ametys.plugins.repository.TraversableAmetysObject;
023
024/**
025 * Common interface for thread
026 *
027 */
028public interface Thread extends ExplorerNode, TraversableAmetysObject
029{
030    /**
031     * Get the title of the thread
032     * @return The thread's title
033     */
034    public String getTitle();
035    
036    /**
037     * Get the author of the thread
038     * @return The thread's author
039     */
040    public UserIdentity getAuthor();
041    
042    /**
043     * Get the thread's creation date.
044     * @return the thread's creation date.
045     */
046    public Date getCreationDate();
047    
048    /**
049     * Get the number of unread post in this thread for a user
050     * @param user The user
051     * @return The number of unread post
052     */
053    public long getUnreadPosts(UserIdentity user);
054}