roledao.java

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package crm.dao.sys;

import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import crm.entity.sys.RoleEntity;

/**
 * Data access object (DAO) for domain model class RoleEntity.
 * 
 * @see crm.entity.sys.RoleEntity
 * @author MyEclipse Persistence Tools
 */

public class RoleDAO extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(RoleDAO.class);

	// property constants
	public static final String ROLE_NAME = "roleName";

	public static final String ROLE_DESC = "roleDesc";

	public static final String ROLE_FLAG = "roleFlag";

	protected void initDao() {
		// do nothing
	}

	public void save(RoleEntity transientInstance) {
		log.debug("saving RoleEntity instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(RoleEntity persistentInstance) {
		log.debug("deleting RoleEntity instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	/**
	 * 删除方法(根据id删除)
	 */
	public void delete(int id)
	{
		long lid=id;    //将int型转换成long型
		this.delete(this.findById(lid));
	}
	
	public RoleEntity findById(java.lang.Long id) {
		log.debug("getting RoleEntity instance with id: " + id);
		try {
			RoleEntity instance = (RoleEntity) getHibernateTemplate().get(
					"crm.entity.sys.RoleEntity", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(RoleEntity instance) {
		log.debug("finding RoleEntity instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding RoleEntity instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from RoleEntity as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByRoleName(Object roleName) {
		return findByProperty(ROLE_NAME, roleName);
	}

	public List findByRoleDesc(Object roleDesc) {
		return findByProperty(ROLE_DESC, roleDesc);
	}

	public List findByRoleFlag(Object roleFlag) {
		return findByProperty(ROLE_FLAG, roleFlag);
	}

	public List findAll() {
		log.debug("finding all RoleEntity instances");
		try {
			String queryString = "from RoleEntity";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public RoleEntity merge(RoleEntity detachedInstance) {
		log.debug("merging RoleEntity instance");
		try {
			RoleEntity result = (RoleEntity) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(RoleEntity instance) {
		log.debug("attaching dirty RoleEntity instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(RoleEntity instance) {
		log.debug("attaching clean RoleEntity instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static RoleDAO getFromApplicationContext(ApplicationContext ctx) {
		return (RoleDAO) ctx.getBean("RoleEntityDAO");
	}
}