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📄 forumdaosql.java

📁 非常有影响的 j道 论 坛 源码 国外很有明的专家编写的 ....对java爱好者很有参考价值
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/*
 * Copyright 2003-2005 the original author or authors.
 * 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.jdon.jivejdon.dao.sql;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;

import com.jdon.controller.model.PageIterator;
import com.jdon.jivejdon.Constants;
import com.jdon.jivejdon.dao.ForumDao;
import com.jdon.jivejdon.model.Forum;
import com.jdon.jivejdon.repository.builder.MessageInitFactory;
import com.jdon.jivejdon.service.util.ContainerUtil;
import com.jdon.jivejdon.util.ToolsUtil;
import com.jdon.model.query.PageIteratorSolver;

/**
 * @author <a href="mailto:banqiao@jdon.com">banq</a>
 *
 */
public class ForumDaoSql implements ForumDao {
    private final static Logger logger = Logger.getLogger(ForumDaoSql.class);

    private PageIteratorSolver pageIteratorSolver;

    private JdbcTempSource jdbcTempSource;
    
    private PropertyDaoSql propertyDaoSql;
    
    private Constants constants;
    
	private MessageInitFactory messageFactory;

    public ForumDaoSql(JdbcTempSource jdbcTempSource, ContainerUtil containerUtil, 
    		MessageInitFactory messageFactory, Constants constants) {
       this.pageIteratorSolver = new PageIteratorSolver(jdbcTempSource.getDataSource(), containerUtil.getCacheManager());
       this.jdbcTempSource = jdbcTempSource;
       this.propertyDaoSql = new PropertyDaoSql(jdbcTempSource);
       this.constants = constants;
       this.messageFactory = messageFactory;
    }

    public void clearCache() {
        pageIteratorSolver.clearCache();
    }
    
    /* (non-Javadoc)
     * @see com.jdon.jivejdon.dao.ForumDao#getForum(java.lang.String)
     */
    public Forum getForum(Long id) {
        logger.debug("enter getForum for id:" + id);
        String LOAD_FORUM =
            "SELECT forumID, name, description, modDefaultThreadVal, " +
            "modDefaultMsgVal, modMinThreadVal, modMinMsgVal, modifiedDate, " +
            "creationDate FROM jiveForum WHERE forumID=?";
        List queryParams = new ArrayList();
        queryParams.add(id);         
        
        Forum ret = null;
        try {
            List list = jdbcTempSource.getJdbcTemp().queryMultiObject(queryParams,
                    LOAD_FORUM);
            Iterator iter = list.iterator();
            if (iter.hasNext()) {
                Map map = (Map) iter.next();
                ret = messageFactory.createForum(map);
            }
            ret.setPropertys(propertyDaoSql.getProperties(Constants.FORUM, id));
        } catch (Exception se) {
            logger.error(se);
        }
        return ret;
    }
    
   

    /* (non-Javadoc)
     * @see com.jdon.jivejdon.dao.ForumDao#createForum(com.jdon.jivejdon.model.Forum)
     */
    public void createForum(Forum forum) {
        try {
            String ADD_FORUM =
                "INSERT INTO jiveForum(forumID, name, description, modDefaultThreadVal, " +
                "modDefaultMsgVal, modMinThreadVal, modMinMsgVal, modifiedDate, creationDate)" +
                " VALUES (?,?,?,?,?,?,?,?,?)";            
            List queryParams = new ArrayList();
            queryParams.add(forum.getForumId());
            queryParams.add(forum.getName());
            queryParams.add(forum.getDescription());
            queryParams.add(new Integer(0));
            queryParams.add(new Integer(0));            
            queryParams.add(new Integer(0));
            queryParams.add(new Integer(0));
            
            long now = System.currentTimeMillis();   
            String saveDateTime = ToolsUtil.dateToMillis(now);
            String displayDateTime = constants.getDateTimeDisp(saveDateTime); 
            queryParams.add(saveDateTime);
            forum.setModifiedDate(displayDateTime);            
            queryParams.add(saveDateTime);
            forum.setCreationDate(displayDateTime);
            
            jdbcTempSource.getJdbcTemp().operate(queryParams, ADD_FORUM);
            clearCache();
            
            propertyDaoSql.updateProperties(Constants.FORUM, forum.getForumId(), forum.getPropertys());
        } catch (Exception e) {
            logger.error(e);
        }

    }
   

    /* (non-Javadoc)
     * @see com.jdon.jivejdon.dao.ForumDao#updateForum(com.jdon.jivejdon.model.Forum)
     */
    public void updateForum(Forum forum) {
        try {
            String SAVE_FORUM =
                "UPDATE jiveForum SET name=?, description=?, modDefaultThreadVal=?, " +
                "modDefaultMsgVal=?, modMinThreadVal=?, modMinMsgVal=?, " +
                "modifiedDate=? WHERE forumID=?";
            List queryParams = new ArrayList();
            queryParams.add(forum.getName());
            queryParams.add(forum.getDescription());
            queryParams.add(new Integer(0));
            queryParams.add(new Integer(0));            
            queryParams.add(new Integer(0));
            queryParams.add(new Integer(0));
            
            long now = System.currentTimeMillis();   
            String saveDateTime = ToolsUtil.dateToMillis(now);
            String displayDateTime = constants.getDateTimeDisp(saveDateTime); 
            queryParams.add(saveDateTime);
            forum.setModifiedDate(displayDateTime);            
            
            queryParams.add(forum.getForumId());            
            jdbcTempSource.getJdbcTemp().operate(queryParams, SAVE_FORUM);
            clearCache();
            
            propertyDaoSql.deleteProperties(Constants.FORUM, forum.getForumId());
            propertyDaoSql.updateProperties(Constants.FORUM, forum.getForumId(), forum.getPropertys());
        } catch (Exception e) {
            logger.error(e);
        }        
    }
       

    /* (non-Javadoc)
     * @see com.jdon.jivejdon.dao.ForumDao#deleteForum(com.jdon.jivejdon.model.Forum)
     */
	    public void deleteForum(Forum forum) {
        try {
            String sql = "DELETE FROM jiveForum WHERE forumID=?";
            List queryParams = new ArrayList();
            queryParams.add(forum.getForumId());
            jdbcTempSource.getJdbcTemp().operate(queryParams, sql);
            clearCache();
            propertyDaoSql.deleteProperties(Constants.FORUM, forum.getForumId());
        } catch (Exception e) {
            logger.error(e);
        }

    }

    /* (non-Javadoc)
     * @see com.jdon.jivejdon.dao.ForumDao#getForums(int, int)
     */
    public PageIterator getForums(int start, int count) {
        logger.debug("enter getForums ..");
        
        String GET_ALL_ITEMS_ALLCOUNT = "select count(1) from jiveForum ";

        String GET_ALL_ITEMS = "select forumID from jiveForum ";

        return pageIteratorSolver.getPageIterator(GET_ALL_ITEMS_ALLCOUNT,
                GET_ALL_ITEMS, "", start, count);
    }
    
    /**
     * get the thread count from message db.
     * @param forumId
     * @return
     */
    public int getMessageCount(Long forumId){
        String ALL_THREADS =
            "SELECT count(1) from jiveMessage WHERE forumID=?";
        List queryParams = new ArrayList();
        queryParams.add(forumId);
        Integer count = null;     
        try {
            Object counto = jdbcTempSource.getJdbcTemp().querySingleObject(queryParams, ALL_THREADS);
            if (counto instanceof Long)//for mysql 5
            	count = ((Long)counto).intValue();
            else
            	count = ((Integer)counto).intValue(); //for mysql 4
            logger.debug("found count:" + count);
        } catch (Exception e) {
           logger.error(e);
        }
        return count.intValue();       
    }
    
    /**
     * get the thread count from thread db.
     * @param forumId
     * @return
     */
    public int getThreadCount(Long forumId){      
        String ALL_MESSAGES =
            "SELECT count(1) from jiveThread WHERE forumID=?";
        List queryParams2 = new ArrayList();
        queryParams2.add(forumId);         
        
        int count = 0;  
        try {            
            Object counto = jdbcTempSource.getJdbcTemp().querySingleObject(queryParams2, ALL_MESSAGES);
            if (counto instanceof Long)//for mysql 5
            	count = ((Long)counto).intValue();
            else
            	count = ((Integer)counto).intValue(); //for mysql 4
            logger.debug("found count:" + count);
        } catch (Exception e) {
           logger.error(e);
        }
        return count;       
    }
    
    /**
     * get laste message from the message db
     * 
     */
    public Long getLastPostMessageId(Long forumId){
        String LAST_MESSAGES =
            "SELECT messageID from jiveMessage WHERE forumID=? ORDER BY modifiedDate DESC";
        List queryParams2 = new ArrayList();
        queryParams2.add(forumId);         
                
        
        Long messageId = null;  
        try {            
            List list = jdbcTempSource.getJdbcTemp().queryMultiObject(queryParams2, LAST_MESSAGES);
            Iterator iter = list.iterator();
            if (iter.hasNext()) {
                Map map = (Map) iter.next();
                messageId = (Long)map.get("messageID");
            }
        } catch (Exception e) {
           logger.error(e);
        }
        return messageId;               
    }
    

  
    

}

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