blogmessageserviceimpl.java

EasyJF开源Blog系统是一个由EasyJF开源团队组织开发的基于Java平台的开源博客系统。当前Blog已经实现了基本的基本的博客的书写、流量统计、排名、个人像册、RSS、支持自定义模板、静态h

package com.easyjf.blog.logic.impl;

import java.util.List;

import com.easyjf.blog.domain.BlogMessage;
import com.easyjf.web.tools.DbPageList;
import com.easyjf.web.tools.IPageList;

public class BlogMessageServiceImpl extends DAOSupportService implements
		com.easyjf.blog.logic.BlogMessageService {
private static BlogMessageServiceImpl singleton=new BlogMessageServiceImpl();
public static BlogMessageServiceImpl getInstance()
{
	return singleton;
}
	public boolean add(BlogMessage message) {
		boolean ret=false;
		message.setInputTime(new java.util.Date());
		ret=this.dao.save(message);
		return ret;
	}

	public int batchDelBlogMessage(String[] cids) {
		int ret = 0;
		for (int i = 0; i < cids.length; i++) {
			if (delBlogMessage(cids[i]))
				ret++;
		}
		return ret;
	}

	public boolean delBlogMessage(String cid) {
	boolean ret=false;
	ret=this.dao.del(getBlogMessage(cid));
		return ret;
	}

	public BlogMessage getBlogMessage(String cid) {		
		return (BlogMessage)this.dao.get(BlogMessage.class, cid);
	}

	public IPageList queryBlogMessage(String userName, String key,
			int currentPage, int pageSize) {
		String scope="belongUser=? and (parentId is null or parentId='') order by inputTime ";
		java.util.Collection paras=new java.util.ArrayList();
		paras.add(userName);
		DbPageList pList = new DbPageList(BlogMessage.class,scope,paras);
		pList.doList(currentPage, pageSize);
		return pList;	
	}

	public boolean updateBlogMessage(BlogMessage message) {
		boolean ret=false;
		ret=this.dao.update(message);
		return ret;
	}
	public List getTopMessage(String userName, int topNum) {
		String scope="belongUser=? and (parentId is null or (parnetId='') order by inputTime desc";
		java.util.Collection paras=new java.util.ArrayList();
		paras.add(userName);
		DbPageList pList = new DbPageList(BlogMessage.class,scope,paras);
		pList.doList(1, topNum);
		return pList.getResult();
	}
}