userroledaohibernate.java

Strut数据库开发中的JSF项目

package com.relationinfo.dao.hibernate;

import java.util.List;

import com.relationinfo.model.UserRole;
import com.relationinfo.dao.UserRoleDAO;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.criterion.Example;
import org.hibernate.criterion.MatchMode;

import org.springframework.orm.ObjectRetrievalFailureException;
import org.springframework.orm.hibernate3.HibernateCallback;

public class UserRoleDAOHibernate extends BaseDAOHibernate implements UserRoleDAO {

    /**
     * @see com.relationinfo.dao.UserRoleDAO#getUserRoles(com.relationinfo.model.UserRole)
     */
    public List getUserRoles(final UserRole userRole) {
        if (userRole == null) {
            return getHibernateTemplate().find("from UserRole");
        } else {
            // filter on properties set in the userRole
            HibernateCallback callback = new HibernateCallback() {
                public Object doInHibernate(Session session) throws HibernateException {
                    Example ex = Example.create(userRole).ignoreCase().enableLike(MatchMode.ANYWHERE);
                    return session.createCriteria(UserRole.class).add(ex).list();
                }
            };
            return (List) getHibernateTemplate().execute(callback);
        }
    }

    /**
     * @see com.relationinfo.dao.UserRoleDAO#getUserRole(String rolecode)
     */
    public UserRole getUserRole(final String rolecode) {
        UserRole userRole = (UserRole) getHibernateTemplate().get(UserRole.class, rolecode);
        if (userRole == null) {
            log.warn("uh oh, userRole with rolecode '" + rolecode + "' not found...");
            throw new ObjectRetrievalFailureException(UserRole.class, rolecode);
        }

        return userRole;
    }

    /**
     * @see com.relationinfo.dao.UserRoleDAO#saveUserRole(UserRole userRole)
     */    
    public void saveUserRole(final UserRole userRole) {
        getHibernateTemplate().saveOrUpdate(userRole);
    }

    /**
     * @see com.relationinfo.dao.UserRoleDAO#removeUserRole(String rolecode)
     */
    public void removeUserRole(final String rolecode) {
        getHibernateTemplate().delete(getUserRole(rolecode));
    }
}