package com.tarena.oss.rights.dao;

import java.sql.SQLException;
import java.util.Collection;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.tarena.oss.rights.pojo.Rights;
import com.tarena.oss.rights.pojo.Role;

public class RoleMgmtDAOByHibernate extends HibernateDaoSupport implements
		RoleMgmtDAO {
	

	public void deleteRole(Role r) {
		this.getHibernateTemplate().delete(r);
	}

	public void insertRole(Role r) {
		this.getHibernateTemplate().save(r);

	}

	public boolean isUsed(Integer id) {
		// TODO Auto-generated method stub
		return false;
	}

	public Collection<Role> queryAll() {
		return this.getHibernateTemplate().find("from Role");
	}

	public Collection<Role> queryAll(int currentPage, int rowCnt) {
		final int start =(currentPage-1)*rowCnt;
        final int rows=rowCnt;
		return this.getHibernateTemplate().executeFind(new HibernateCallback(){
       
			public Object doInHibernate(Session session)
					throws HibernateException, SQLException {
				org.hibernate.Query query =session.createQuery("from Rights");
				query.setFirstResult(start);
				query.setMaxResults(rows);
				return query.list();
			}
			
		});
	}

	public Role queryRoleById(Integer id) {
		
		return (Role) this.getHibernateTemplate().get(Role.class, id);
	}

	public int queryRowCounts() {
Long l=(Long) this.getHibernateTemplate().find("select count(*)from Role").get(0);
		
		return l.intValue();
	}

	public int queryRowCounts(String condition) {
		// TODO Auto-generated method stub
		return 0;
	}

	public void updateRole(Role r) {
		this.getHibernateTemplate().saveOrUpdate(r);

	}

	public Collection<Role> queryAll(String condition) {
		return this.getHibernateTemplate().find("from Role r where 1=1" +condition);
	}

}