RankingRepository.java
上传用户:gdxydsw
上传日期:2019-01-29
资源大小:16721k
文件大小:4k
- /*
- * Copyright (c) JForum Team
- * All rights reserved.
- * Redistribution and use in source and binary forms,
- * with or without modification, are permitted provided
- * that the following conditions are met:
- * 1) Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the
- * following disclaimer.
- * 2) Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions and
- * the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- * 3) Neither the name of "Rafael Steil" nor
- * the names of its contributors may be used to endorse
- * or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
- * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
- *
- * This file creation date: 03/09/2003 / 23:42:55
- * The JForum Project
- * http://www.jforum.net
- */
- package net.jforum.repository;
- import java.util.Iterator;
- import java.util.List;
- import net.jforum.cache.CacheEngine;
- import net.jforum.cache.Cacheable;
- import net.jforum.dao.DataAccessDriver;
- import net.jforum.dao.RankingDAO;
- import net.jforum.entities.Ranking;
- import net.jforum.exceptions.RankingLoadException;
- /**
- * @author Rafael Steil
- * @version $Id: RankingRepository.java,v 1.15 2007/09/19 02:51:11 rafaelsteil Exp $
- */
- public class RankingRepository implements Cacheable
- {
- private static CacheEngine cache;
- private static final String FQN = "ranking";
- private static final String ENTRIES = "entries";
- /**
- * @see net.jforum.cache.Cacheable#setCacheEngine(net.jforum.cache.CacheEngine)
- */
- public void setCacheEngine(CacheEngine engine)
- {
- cache = engine;
- }
-
- public static void loadRanks()
- {
- try {
- RankingDAO rm = DataAccessDriver.getInstance().newRankingDAO();
- cache.add(FQN, ENTRIES, rm.selectAll());
- }
- catch (Exception e) {
- throw new RankingLoadException("Error while loading the rankings: " + e);
- }
- }
-
- public static int size()
- {
- return ((List)cache.get(FQN, ENTRIES)).size();
- }
-
- /**
- * Gets the title associated to total of messages the user have
- * @param total Number of messages the user have. The ranking will be
- * returned according to the range to which this total belongs to.
- * @return String with the ranking title.
- */
- public static String getRankTitle(int rankId, int total)
- {
- String title = null;
-
- if (rankId > 0) {
- title = getRankTitleById(rankId);
- }
-
- if (title == null) {
- title = getRankTitleByPosts(total);
- }
-
- return title;
- }
-
- private static String getRankTitleByPosts(int total)
- {
- Ranking lastRank = new Ranking();
-
- List entries = (List)cache.get(FQN, ENTRIES);
-
- for (Iterator iter = entries.iterator(); iter.hasNext(); ) {
- Ranking r = (Ranking)iter.next();
-
- if (total == r.getMin() && !r.isSpecial()) {
- return r.getTitle();
- }
- else if (total > lastRank.getMin() && total < r.getMin()) {
- return lastRank.getTitle();
- }
-
- lastRank = r;
- }
-
- return lastRank.getTitle();
- }
- private static String getRankTitleById(int rankId)
- {
- Ranking r = new Ranking();
- r.setId(rankId);
-
- List l = (List)cache.get(FQN, ENTRIES);
- int index = l.indexOf(r);
-
- return index > -1
- ? ((Ranking)l.get(index)).getTitle()
- : null;
- }
- }