org.hibernate.criterion.Criterion#toString ( )源码实例Demo

@SuppressWarnings("unchecked")
@Override
public List<E> getAllByCriteria(Criterion criterion) {
	List<E> fetchedList = new ArrayList<E>();
	Session session = getCurrentSession();
	Criteria criteria = session.createCriteria(entityClass);
	criteria.add(criterion);
	
	try {	
		fetchedList = criteria.list();
		return fetchedList;
	} catch (Exception e) {
		logger.error("getAllByCriteria failed, criteria = " + criterion.toString(), e);
		throw new HibernateException("getAllByCriteria failed, criteria = " + criterion.toString());
	}
}
 

@SuppressWarnings("unchecked")
@Override
public List<E> getByCriteriaWithLimit(Criterion criterion, Integer count) {
	List<E> fetchedList = new ArrayList<E>();
	Session session = getCurrentSession();
	Criteria criteria = session.createCriteria(entityClass);
	criteria.add(criterion);
	if(count != null && count > 0){
		criteria.setMaxResults(count);
	}
	try {	
		fetchedList = criteria.list();
		return fetchedList;
	} catch (Exception e) {
		logger.error("getByCriteriaWithLimit failed, criteria = " + criterion.toString(), e);
		throw new HibernateException("getByCriteriaWithLimit failed, criteria = " + criterion.toString());
	}
}
 

@SuppressWarnings("unchecked")
@Override
public List<E> getByCriteriaByOrder(Criterion criterion, String order, String[] orderBy, Integer count) {
	List<E> fetchedList = new ArrayList<E>();
	Session session = getCurrentSession();
	Criteria criteria = session.createCriteria(entityClass);
	criteria.add(criterion);
	for(int i = 0; i< orderBy.length; i++){
		if (order != null && order.equalsIgnoreCase("desc")) {
			criteria.addOrder(Order.desc(orderBy[i]));
		} else {
			criteria.addOrder(Order.asc(orderBy[i]));
		}
	}
	if(count != null && count > 0){
		criteria.setMaxResults(count);
	}
	try {	
		fetchedList = criteria.list();
		return fetchedList;
	} catch (Exception e) {
		logger.error("getByCriteriaWithLimit failed, criteria = " + criterion.toString(), e);
		throw new HibernateException("getByCriteriaByOrder failed, criteria = " + criterion.toString());
	}
}
 

@SuppressWarnings("unchecked")
@Override
public E getByCriterionID(Criterion criterion) {
	try {
		Criteria criteria = getCurrentSession().createCriteria(entityClass);
		criteria.add(criterion);
		return (E) criteria.uniqueResult();
	} catch (Exception e) {
		logger.error("getByCriterionID failed, criteria = " + criterion.toString(), e);
		throw new HibernateException("getByCriterionID failed, criteria = " + criterion.toString());
	}
}
 

@SuppressWarnings("unchecked")
@Override
public E getByCriteria(Criterion criterion) {
	try {
		Criteria criteria = getCurrentSession().createCriteria(entityClass);
		criteria.add(criterion);
		List<E> fetchedList = criteria.list();
		return (fetchedList != null && !fetchedList.isEmpty()) ? (E) fetchedList.get(0) : null;
	} catch (Exception e) {
		logger.error("getByCriteria failed, criteria = " + criterion.toString(), e);
		throw new HibernateException("getByCriteria failed, criteria = " + criterion.toString());
	}
}
 

@SuppressWarnings("unchecked")
@Override
public List<E> getByCriteriaWithAliasByOrder(Criterion criterion, String order, String[] orderBy, Integer count, String aliasTable, Criterion aliasCriterion) {
	Session session = getCurrentSession();
	List<E> fetchedList = new ArrayList<E>();
	//logger.info("Entity: " + entityClass + ", current Session = " + session);
	Criteria criteria = session.createCriteria(entityClass);
	criteria.add(criterion); 
	criteria.createAlias(aliasTable, aliasTable, org.hibernate.sql.JoinType.LEFT_OUTER_JOIN).add(aliasCriterion);
	if (orderBy != null) {
		for(int i = 0; i< orderBy.length; i++){
			if (order != null && order.equalsIgnoreCase("desc")) {
				criteria.addOrder(Order.desc(orderBy[i]));
			} else {
				criteria.addOrder(Order.asc(orderBy[i]));
			}
		}
	}
	if(count != null && count > 0){
		criteria.setMaxResults(count);
	}
	try {	
		fetchedList = criteria.list();
		return fetchedList;
	} catch (Exception e) {
		logger.error("getByCriteriaWithAliasByOrder failed, criteria = " + criterion.toString(), e);
		throw new HibernateException("getByCriteriaWithAliasByOrder failed, criteria = " + criterion.toString());
	}
}
 

@SuppressWarnings("unchecked")
@Override
public List<E> getByCriteriaWithInnerJoinByOrder(Criterion criterion, String order, String[] orderBy, Integer count, String aliasTable, Criterion aliasCriterion) {
	Session session = getCurrentSession();
	List<E> fetchedList = new ArrayList<E>();
	//logger.info("Entity: " + entityClass + ", current Session = " + session);
	Criteria criteria = session.createCriteria(entityClass);
	criteria.add(criterion); 
	criteria.createAlias(aliasTable, aliasTable, org.hibernate.sql.JoinType.INNER_JOIN).add(aliasCriterion);
	if (orderBy != null) {
		for(int i = 0; i< orderBy.length; i++){
			if (order != null && order.equalsIgnoreCase("desc")) {
				criteria.addOrder(Order.desc(orderBy[i]));
			} else {
				criteria.addOrder(Order.asc(orderBy[i]));
			}
		}
	}
	if(count != null && count > 0){
		criteria.setMaxResults(count);
	}
	try {	
		fetchedList = criteria.list();
		return fetchedList;
	} catch (Exception e) {
		logger.error("getByCriteriaWithInnerJoinByOrder failed, criteria = " + criterion.toString(), e);
		throw new HibernateException("getByCriteriaWithInnerJoinByOrder failed, criteria = " + criterion.toString());
	}
}