tcontentimpl.java

来自「社区文章采用的是平板、树形自由选择的两种展示方式」· Java 代码 · 共 140 行

/*
 * Created on 2005-10-22
 * Last modified on 2007-12-20
 * Powered by YeQiangWei.com
 */
package com.yeqiangwei.club.dao.hibernate.impl;

import java.util.List;

import com.yeqiangwei.club.model.TContent;
import com.yeqiangwei.club.param.TopicParameter;
import com.yeqiangwei.club.dao.TContentDAO;
import com.yeqiangwei.club.dao.hibernate.support.HibernateFacade;
import com.yeqiangwei.club.dao.hibernate.support.HibernateProvider;

public class TContentImpl implements TContentDAO {
   
	private static final String FIND_CONTENTID = "from TContent where tcontentId=?";
	
	private static final String FIND_TOPICID = "from TContent where topicId=?";
	
	private static final String DELETE_TOPICID = "delete from TContent where topicId=?";
	
	private static final String DELETES_TOPICID = "delete from TContent where topicId in (:ids)";
	
	private static final String DELETE_CONTENTID = "delete from TContent where tcontentId=?";
	
	private static final String DELETES_CONTENTID = "delete from TContent where tcontentId in (:ids)";
	
    public void create(TContent item) {
		HibernateProvider<TContent> facade = new HibernateFacade<TContent>();
		facade.save(item);
	}

	public void update(TContent item) {
        HibernateProvider<TContent> facade = new HibernateFacade<TContent>();
        facade.update(item);
	}

	public int delete(TContent item) {
        HibernateProvider<TContent> facade = new HibernateFacade<TContent>();
        facade.createQuery(DELETE_CONTENTID);
        facade.setInt(0, item.getTcontentId());
        return facade.executeUpdate();
	}


	public int delete(List<Integer> ids) {
        HibernateProvider<TContent> facade = new HibernateFacade<TContent>();
        facade.createQuery(DELETES_CONTENTID);
        facade.setParameterList("ids",ids);
        return facade.executeUpdate();
	}


	public int deleteByTopicId(int topicId) {
        HibernateProvider<TContent> facade = new HibernateFacade<TContent>();
        facade.createQuery(DELETE_TOPICID);
        facade.setInt(0, topicId);
        return facade.executeUpdate();
	}
	
	public int deleteByTopicId(List<Integer> ids) {
        HibernateProvider<TContent> facade = new HibernateFacade<TContent>();
        facade.createQuery(DELETES_TOPICID);
        facade.setParameterList("ids",ids);
        return facade.executeUpdate();
	}

	public TContent findById(int id) {
		HibernateProvider<TContent> facade = new HibernateFacade<TContent>();
        facade.createQuery(FIND_CONTENTID);
        facade.setInt(0,id);
        facade.setMaxResults(1);
		return facade.uniqueResult();
	}
	
	public TContent findByTopicId(int topicId) {
		HibernateProvider<TContent> facade = new HibernateFacade<TContent>();
        facade.createQuery(FIND_TOPICID);
        facade.setInt(0,topicId);
        facade.setMaxResults(1);
		return facade.uniqueResult();
	}

	public List<TContent> findByParameter(TopicParameter param) {
		StringBuffer hql = new StringBuffer();
		hql.append("from TContent where ");
		if(param.getMinId()==null){
			hql.append(" topicId>0 ");
		}else{
			hql.append(" topicId>");
			hql.append(param.getMinId().intValue());
		}
		if(param.getIsDeleted()!=null){
			hql.append(" and isDeleted=?");
		}
		else if(param.getOrderBy().byteValue()==4){
			hql.append(" order by topicId");
		}
		//System.out.println(hql);
		HibernateProvider<TContent> facade = new HibernateFacade<TContent>();
		facade.createQuery(hql);
		if(param.getIsDeleted()!=null){
			facade.setBoolean(0, param.getIsDeleted());
		}
		facade.setFirstResult(param.getPagination().getStartRow());
		facade.setMaxResults(param.getPagination().getEndRow());
		return facade.executeQuery();
	}

	public long countByParameter(TopicParameter param) {
		StringBuffer hql = new StringBuffer();
		hql.append("select(tcontentId) from TContent where ");
		if(param.getMinId()==null){
			hql.append(" topicId>0 ");
		}else{
			hql.append(" topicId>");
			hql.append(param.getMinId().intValue());
		}
		if(param.getIsDeleted()!=null){
			hql.append(" and isDeleted=?");
		}
		HibernateProvider<TContent> facade = new HibernateFacade<TContent>();
		facade.createQuery(hql);
		if(param.getIsDeleted()!=null){
			facade.setBoolean(0, param.getIsDeleted());
		}
		return facade.resultTotalInteger();
	}

	public List<TContent> findAll(TopicParameter param) {
		return null;
	}

	public long countAll(TopicParameter param) {
		return 0;
	}
}