daotool.java

实现淘宝网支付宝的模拟功能

package ecp.dao;

import java.io.Serializable;
import java.util.Collection;
import java.util.List;

import org.hibernate.Query;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

public class DaoTool extends HibernateDaoSupport {
	public void delete(Object entity) {
		this.getHibernateTemplate().delete(entity);
	}

	
	public List find(String queryString) {
		
		return this.getHibernateTemplate().find(queryString);
		
	}
    
	public List find(String queryString,int firstResult,int maxResults){
		
		 Query query=this.getSession().createQuery(queryString);
		 
		 query.setFirstResult(firstResult);
		 
		 query.setMaxResults(maxResults);
		 
		 return query.list();
	}
	
	public Object get(Class entityClass, Serializable id) {
		
		return this.getHibernateTemplate().get(entityClass, id);
	}

	
	public void save(Object entity) {
		
		 this.getHibernateTemplate().save(entity);
		 
	}

	
	public void update(Object entity) {
		
		this.getHibernateTemplate().update(entity);

	}

	
	public void deleteAll(Collection entities) {

        this.getHibernateTemplate().deleteAll(entities);  
        	
	}

	
	public void saveOrUpdate(Object entity) {
		
		this.getHibernateTemplate().saveOrUpdate(entity);
		
	}	
	
	public void saveOrUpdateAll(Collection entities){
		
		this.getHibernateTemplate().saveOrUpdateAll(entities);
	}
	
      
}