documentdao.java

一个oa系统

package com.oa.document.db;

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;

/**
 * Data access object (DAO) for domain model class Document.
 * @see com.oa.document.db.Document
 * @author MyEclipse - Hibernate Tools
 */
public class DocumentDAO extends HibernateDaoSupport {

    private static final Log log = LogFactory.getLog(DocumentDAO.class);

	//property constants
	public static final String SENDER = "sender";
	public static final String TITLE = "title";
	public static final String CONTENT = "content";
	public static final String FILE = "file";
	public static final String TRUEFILE = "truefile";
	public static final String STATE = "state";

	protected void initDao() {
		//do nothing
	}
    
    public boolean save(Document transientInstance) {
        log.debug("saving Document instance");
        try {
            getHibernateTemplate().save(transientInstance);
            log.debug("save successful");
            return true;
        } catch (RuntimeException re) {
            log.error("save failed", re);
            re.printStackTrace();
            return false;
        }
    }
    
	public void updateDocstate(Integer id, String state) {
        log.debug("updateing Document instance");
        try {
        	Document vo = (Document)getHibernateTemplate().get(Document.class, id);
        	vo.setState(state);
        	getHibernateTemplate().saveOrUpdate(vo);
            log.debug("update successful");
        } catch (RuntimeException re) {
            log.error("update failed", re);
            throw re;
        }
    }
	
	public boolean updateDoc(Integer id, Document instance) {
        log.debug("updateing Document instance");
        try {
        	Document vo = (Document)getHibernateTemplate().get(Document.class, id);
			vo.setTitle(instance.getTitle());
			vo.setContent(instance.getContent());
			vo.setFile(instance.getFile());
			vo.setTruefile(instance.getTruefile());
			vo.setState(instance.getState());
        	getHibernateTemplate().saveOrUpdate(vo);
            log.debug("update successful");
            return true;
        } catch (Exception re) {
            log.error("update failed", re);
            re.printStackTrace();
            return false;
        }
    }
    
	public void delete(Document persistentInstance) {
        log.debug("deleting Document instance");
        try {
            getHibernateTemplate().delete(persistentInstance);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            throw re;
        }
    }
    
    public Document findById( java.lang.Integer id) {
        log.debug("getting Document instance with id: " + id);
        try {
            Document instance = (Document) getHibernateTemplate()
                    .get("com.oa.document.db.Document", id);
            return instance;
        } catch (RuntimeException re) {
            log.error("get failed", re);
            throw re;
        }
    }
    
    
    public List findByExample(Document instance) {
        log.debug("finding Document 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 Document instance with property: " + propertyName
            + ", value: " + value);
      try {
         String queryString = "from Document 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 findBySender(Object sender) {
		return findByProperty(SENDER, sender);
	}
	
	public List findByTitle(Object title) {
		return findByProperty(TITLE, title);
	}
	
	public List findByContent(Object content) {
		return findByProperty(CONTENT, content);
	}
	
	public List findByFile(Object file) {
		return findByProperty(FILE, file);
	}
	
	public List findByTruefile(Object truefile) {
		return findByProperty(TRUEFILE, truefile);
	}
	
	public List findByState(Object state) {
		return findByProperty(STATE, state);
	}
	
    public Document merge(Document detachedInstance) {
        log.debug("merging Document instance");
        try {
            Document result = (Document) getHibernateTemplate()
                    .merge(detachedInstance);
            log.debug("merge successful");
            return result;
        } catch (RuntimeException re) {
            log.error("merge failed", re);
            throw re;
        }
    }

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

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