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📄 messagequerydaosql.java

📁 JiveJdon 3.0 is the application of Jdon Framework 1.4 final.
💻 JAVA
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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.Collection;
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.dao.MessageQueryDao;
import com.jdon.jivejdon.dao.util.MessagePageIteratorSolver;
import com.jdon.jivejdon.dao.util.ToolsUtil;
import com.jdon.jivejdon.model.ForumMessage;
import com.jdon.jivejdon.model.ForumThread;
import com.jdon.jivejdon.model.ForumThreadState;
import com.jdon.jivejdon.model.query.MultiCriteria;
import com.jdon.jivejdon.model.query.QueryCriteria;
import com.jdon.model.query.PageIteratorSolver;
import com.jdon.model.query.block.Block;
import com.jdon.treepatterns.model.TreeModel;

/**
 * 
 * @author <a href="mailto:banqiao@jdon.com">banq</a>
 *
 */
public class MessageQueryDaoSql implements MessageQueryDao{
    private final static Logger logger = Logger.getLogger(MessageQueryDaoSql.class);
    
    
    protected JdbcTempSource jdbcTempSource;
    protected PageIteratorSolver pageIteratorSolver;
        
    /**
     * @param jdbcTempSource
     */
    public MessageQueryDaoSql(JdbcTempSource jdbcTempSource, MessagePageIteratorSolver messagePageIteratorSolver) {
        this.pageIteratorSolver = messagePageIteratorSolver.getPageIteratorSolver();
        this.jdbcTempSource = jdbcTempSource;
    }
    
    public int getMessageCountOfUser(Long userId){
        logger.debug("enter getMessageCountOfUser  for userId:" + userId);
        String USER_MESSAGE_COUNT =
            "SELECT count(1) FROM jiveMessage WHERE jiveMessage.userID=?";
        List queryParams = new ArrayList();
        queryParams.add(userId);
        return pageIteratorSolver.getDatasAllCount(queryParams, USER_MESSAGE_COUNT);
    }      
      
    
    public ForumThreadState getForumThreadState(ForumThread forumThread){
        logger.debug("getForumThreadState from jdbc for threadId=" + forumThread.getThreadId()); 
        ForumThreadState forumThreadState = new ForumThreadState();
        int count = getMessageCount(forumThread.getForum().getForumId(), forumThread.getThreadId());
        forumThreadState.setMessageCount(count);
        Long lastMessageId = getLastPostMessageId(forumThread.getForum().getForumId(), forumThread.getThreadId());
        if (lastMessageId == null)            
            logger.warn("maybe first running, not found lastMessageId for forumId: " + forumThread.getForum().getForumId());
        else{
            ForumMessage forumMessage = new ForumMessage();
            forumMessage.setMessageId(lastMessageId);
            forumThreadState.setLastPost(forumMessage);
        }
        return forumThreadState;
        
    }
    
    private int getMessageCount(Long forumId, Long threadId){
        logger.debug("enter getMessageCount  for threadId:" + threadId);
        String ALL_THREADS =
            "SELECT count(1) from jiveMessage WHERE forumID = ? and threadID=? ";
        List queryParams = new ArrayList();
        queryParams.add(forumId);
        queryParams.add(threadId);
        Integer count = null;     
        try {
            count = (Integer)jdbcTempSource.getJdbcTemp().querySingleObject(queryParams, ALL_THREADS);       
        } catch (Exception e) {
           logger.error(e);
        }
        return count.intValue();       
    }      
    
    /**
     * get laste message from the message db
     * 
     */
    private Long getLastPostMessageId(Long forumId, Long threadId){
        logger.debug("enter getLastPostMessageId  for threadId:" + threadId);
        String LAST_MESSAGES =
            "SELECT messageID from jiveMessage WHERE forumID=? and threadID = ? ORDER BY modifiedDate DESC";
        List queryParams2 = new ArrayList();
        queryParams2.add(forumId);  
        queryParams2.add(threadId);                 
        
        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;               
    }
    
    public  TreeModel getTreeModel(ForumThread forumThread){
        logger.debug("getTreeModel from jdbc for threadId=" + forumThread.getThreadId());
        Long threadId = forumThread.getThreadId();
        int messagesCount = forumThread.getForumThreadState().getMessageCount();
        Long rootId = forumThread.getRootMessage().getMessageId();
        TreeModel treeModel = new TreeModel(rootId.longValue(), messagesCount + 1);
        
        //get the messagId collection only except the root messageId
        String SQL =
            "SELECT messageID, parentMessageID, creationDate FROM jiveMessage " +
            "WHERE threadID=? AND parentMessageID IS NOT NULL " +
            "ORDER BY creationDate ASC";
        //parentMessageID IS NOT NULL or parentMessageID != 0 ?
        List queryParams = new ArrayList();
        queryParams.add(threadId);      
        try {
            List list = jdbcTempSource.getJdbcTemp().queryMultiObject(queryParams, SQL);
    
            Iterator iter = list.iterator();
            while (iter.hasNext()) {
                Map map = (Map) iter.next();
                Long messageID = (Long) map.get("messageID");
                Long parentMessageID = (Long) map.get("parentMessageID");
                treeModel.addChild(parentMessageID.longValue(), messageID.longValue());
            }
        } catch (Exception e) {
            logger.error(e);
        }
        return treeModel;
    }
    


    /*
     * (non-Javadoc)
     * 
     * @see com.jdon.jivejdon.dao.MessageDao#getMessages(java.lang.String, int,
     *      int)
     */
    public PageIterator getMessages(Long threadId, int start, int count) {
        String GET_ALL_ITEMS_ALLCOUNT = "select count(1) from jiveMessage where threadID=? ";

        String GET_ALL_ITEMS = "select messageID  from jiveMessage WHERE threadID=? ORDER BY creationDate ASC";

        Collection params = new ArrayList(1);
        params.add(threadId);
        return pageIteratorSolver.getPageIterator(GET_ALL_ITEMS_ALLCOUNT,
                GET_ALL_ITEMS, params, start, count);
    }


    /* (non-Javadoc)
     * @see com.jdon.jivejdon.dao.MessageDao#getThreads(java.lang.String, int, int)
     */
    public PageIterator getThreads(Long forumId, int start, int count) {
        String GET_ALL_ITEMS_ALLCOUNT = "select count(1) from jiveThread where forumId=?";

        String GET_ALL_ITEMS = "select threadID  from jiveThread WHERE forumId=? ORDER BY modifiedDate DESC  ";

        Collection params = new ArrayList(1);
        params.add(forumId);
        return pageIteratorSolver.getPageIterator(GET_ALL_ITEMS_ALLCOUNT,
                GET_ALL_ITEMS, params, start, count);    
    }

    /* 
     *  get the threads collection include prev/cuurent/next threads.
     */
    public List getThreadsPrevNext(Long forumId, Long currentThreadId) {     
        String GET_ALL_ITEMS = "select threadID  from jiveThread WHERE forumId=? ORDER BY modifiedDate DESC ";
        Collection params = new ArrayList(1);
        params.add(forumId);        
        Block block = pageIteratorSolver.locate(GET_ALL_ITEMS, params, currentThreadId);
        if (block == null){
            return null;
        }
        return block.getList();
    }
    
    public PageIterator getHotThreads(String fromDate, String toDate, int start, int count){
    	 try {
			String GET_ALL_ITEMS_ALLCOUNT = 
			  "SELECT count(1) AS msgCount FROM jiveMessage " +
			  "WHERE modifiedDate >= ? and modifiedDate <= ? AND parentMessageID IS NULL";
			 
			 String GET_ALL_ITEMS =
			  "SELECT threadID, count(1) AS msgCount FROM jiveMessage " +
			  "WHERE modifiedDate >= ? and modifiedDate <= ? AND parentMessageID IS NULL GROUP BY threadID ORDER BY msgCount DESC";
			 Collection params = new ArrayList(1);
			 params.add(fromDate);
			 params.add(toDate);
			 
			 return pageIteratorSolver.getPageIterator(GET_ALL_ITEMS_ALLCOUNT,
			         GET_ALL_ITEMS, params, start, count);
		} catch (Exception e) {
			e.printStackTrace();
			return new PageIterator();
		}    
   	   	
    }

    
    public PageIterator getThreads(QueryCriteria mqc,  int start, int count){
    	logger.debug("enter getThreads for QueryCriteria" );
    	try {
			StringBuffer where = new StringBuffer( " WHERE modifiedDate >= ? and modifiedDate <= ? AND parentMessageID IS NULL ");
			Collection params = new ArrayList(6);
			String fromDate = ToolsUtil.dateToMillis(mqc.getFromDate().getTime());
			String toDate = ToolsUtil.dateToMillis(mqc.getToDate().getTime());
			params.add(fromDate);
			params.add(toDate);
			
			if (mqc instanceof MultiCriteria){
				MultiCriteria mmqc = (MultiCriteria)mqc;
				if (mmqc.getUserID() != null){
					where.append(" and userID = ?");
					params.add(mmqc.getUserID());    		
				}
				
				if (mmqc.getForumId() != null){
					where.append(" and forumID = ? ");
					params.add(new Long(mmqc.getForumId()));
				}
			}
			
			String GET_ALL_ITEMS_ALLCOUNT = 
			  "SELECT count(1)  FROM jiveMessage " + where.toString();
			  
			String GET_ALL_ITEMS =
			  "SELECT threadID FROM jiveMessage " + where.toString() + mqc.toResultSortSql();
			logger.debug("GET_ALL_ITEMS=" + GET_ALL_ITEMS);
            return pageIteratorSolver.getPageIterator(GET_ALL_ITEMS_ALLCOUNT,
			       GET_ALL_ITEMS, params, start, count);
		} catch (Exception e) {
			e.printStackTrace();
			return new PageIterator();
		} 
    }
    
}

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