rightsdaoimpl.java

来自「基于Sturts+Spring+Hibernate的一个高级销售管理系统。内容丰」· Java 代码 · 共 183 行

package com.yuanchung.sales.dao.admin;

import java.util.List;
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 com.yuanchung.sales.exception.IllegalParameterException;
import com.yuanchung.sales.exception.SystemException;
import com.yuanchung.sales.model.admin.Rights;
import com.yuanchung.sales.model.admin.position.PositionRights;
import com.yuanchung.sales.util.Constants;

/**
 * A data access object (DAO) providing persistence and search support for
 * Rights entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.yuanchung.sales.model.admin.Rights
 * @author MyEclipse Persistence Tools
 */

public class RightsDAOImpl extends HibernateDaoSupport implements RightsDAO {
	private static final Log log = LogFactory.getLog(RightsDAOImpl.class);
	// property constants
	public static final String RIGHTS_NAME = "rightsName";
	public static final String PARENT_ID = "parentId";

	protected void initDao() {
		// do nothing
	}

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

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

	public Rights findById(java.lang.Integer id) throws SystemException {
		log.debug("getting Rights instance with id: " + id);
		try {
			Rights instance = (Rights) getHibernateTemplate().get(
					"com.yuanchung.sales.model.admin.Rights", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Rights instance) throws SystemException {
		log.debug("finding Rights 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)
			throws SystemException {
		log.debug("finding Rights instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Rights 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 findByProperty(String propertyName, Object value, String where) {
		String queryString = "from Rights as model where model." + propertyName
				+ " " + where + " ?";
		return getHibernateTemplate().find(queryString, value);
	}

	public List findByRightsName(Object rightsName) throws SystemException {
		return findByProperty(RIGHTS_NAME, rightsName);
	}

	public List findByParentId(Object parentId) throws SystemException {
		return findByProperty(PARENT_ID, parentId);
	}

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

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

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

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

	public static RightsDAOImpl getFromApplicationContext(ApplicationContext ctx) {
		return (RightsDAOImpl) ctx.getBean("RightsDAO");
	}

	/**
	 * 
	 */
	public List findByIds(List idList) {
		if (idList.size() > 0) {
			StringBuffer hql = new StringBuffer("");
			hql.append("from Rights as model where model.id in (");
			for (int i = 0; i < idList.size(); i++) {
				if (i != (idList.size() - 1)) {
					hql.append(idList.get(i).toString() + ",");
				} else {
					hql.append(idList.get(i).toString() + ")");
				}
			}
			hql.append(" order by model.parentId");
			return getHibernateTemplate().find(hql.toString());
		}else{
			return null;
		}
	}
}