Java HibernateCallback类代码示例

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
/**
	 * 不分页查询数据
	 * @param filters Map&lt;String, Object&gt;查询参数和条件数据<br />
	 * &nbsp; &nbsp; 需要重写queryParam(Criteria criteria)方法
	 * @return List&lt;E&gt;
	 */
	public List<E> queryList(final Map filters)
	{
		return (List<E>) getHibernateTemplate().execute(new HibernateCallback()
		{
			public List<E> doInHibernate(Session session) throws HibernateException// , SQLException
			{
				Criteria criteria = session.createCriteria(getEntityClass());
				queryParam(filters, criteria);
				return criteria.list();
			}
		});
//		Criteria criteria = createCriteria();
//		if (pageRequest.getFilters() instanceof Map)
//		{
//			queryParam((Map)pageRequest.getFilters(), criteria);
//		}
//		return criteria.list();
	}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
/**
	 * 分页查询数据
	 * @param pageRequest <Map>PageRequest.getFilters()查询参数和条件数据<br />
	 * &nbsp; &nbsp; 需要重写queryParam(Criteria criteria)方法
	 * @return Page
	 */
	public Page queryPage(final PageRequest pageRequest)
	{
		return (Page)getHibernateTemplate().execute(new HibernateCallback()
		{
			public Page doInHibernate(Session session) throws HibernateException//, SQLException
			{
				Criteria criteria = session.createCriteria(getEntityClass());
				if (pageRequest.getFilters() instanceof Map)
				{
					queryParam((Map)pageRequest.getFilters(), criteria);
				}
				return queryPage(criteria, pageRequest);
			}
		});
//		Criteria criteria = createCriteria();
//		if (pageRequest.getFilters() instanceof Map)
//		{
//			queryParam((Map)pageRequest.getFilters(), criteria);
//		}
//		return queryPage(criteria, pageRequest);
	}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
/**
 * 创建Query对象
 * @param hql HQL语句
 * @param values 可变条件
 * @return Query
 */
protected Query createQuery(final String hql, final Object... values)
{
	Assert.hasText(hql);
	Query query = (Query)getHibernateTemplate().execute(new HibernateCallback()
	{
		public Query doInHibernate(Session session) throws HibernateException//, SQLException
		{
			return session.createQuery(hql);
		}
	});
	for(int i = 0; i < values.length; i++)
	{
		query.setParameter(i, values[i]);
	}
	return query;
}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
/**
 * 创建Criteria对象
 * @param criterions 可变条件Restrictions<br />
 * &nbsp; &nbsp; criteria.add(Restrictions.eq(propertyName, value));
 * @return Criteria
 */
protected Criteria createCriteria(Criterion... criterions)
{
	//final Class _class = getEntityClass();
	Criteria criteria = (Criteria)getHibernateTemplate().execute(new HibernateCallback()
	{
		public Criteria doInHibernate(Session session) throws HibernateException//, SQLException
		{
			//return session.createCriteria(_class);
			return session.createCriteria(getEntityClass());
		}
	});// QBC方式
	for(Criterion c : criterions)
	{
		criteria.add(c);
	}
	return criteria;
}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
/**
 * ʹ��hql �����з�ҳ��ѯ����
 * @param hql ��Ҫ��ѯ��hql���
 * @param pageNo ��ѯ��pageNoҳ�ļ�¼
 * @param pageSize ÿҳ��Ҫ��ʾ�ļ�¼��
 * @return ��ǰҳ�����м�¼
 */
@SuppressWarnings("unchecked")
protected List<T> findByPage(final String hql,
	final int pageNo, final int pageSize)
{
	// ͨ��һ��HibernateCallback������ִ�в�ѯ
	List<T> list = getHibernateTemplate()
		.execute(new HibernateCallback<List<T>>()
	{
		// ʵ��HibernateCallback�ӿڱ���ʵ�ֵķ���
		public List<T> doInHibernate(Session session)
		{
			// ִ��Hibernate��ҳ��ѯ
			List<T> result = session.createQuery(hql)
				.setFirstResult((pageNo - 1) * pageSize)
				.setMaxResults(pageSize)
				.list();
			return result;
		}
	});
	return list;
}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
public List getLastSubmittedAssessmentGradingList(final Long publishedAssessmentId) {

        final HibernateCallback<List<AssessmentGradingData>> hcb = session -> {
            Query q = session.createQuery(
                    "select a from AssessmentGradingData a left join fetch a.assessmentGradingAttachmentSet " +
                            "where a.publishedAssessmentId = :id and a.forGrade = :forgrade order by a.agentId asc, a.submittedDate desc");
            q.setLong("id", publishedAssessmentId);
            q.setBoolean("forgrade", true);
            return q.list();
        };
        List<AssessmentGradingData> assessmentGradings = getHibernateTemplate().execute(hcb);

        return new ArrayList<>(assessmentGradings.stream()
                .collect(Collectors.toMap(AssessmentGradingData::getAgentId, p -> p, (p, q) -> p))
                .values());
    }
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
public List<PeerAssessmentItem> getPeerAssessmentItems(final String assignmentId, final String assessorUserId, Integer scaledFactor) {
    List<PeerAssessmentItem> listPeerAssessmentItem = new ArrayList<>();
    if (assignmentId == null || assessorUserId == null) {
        //return an empty list
        return listPeerAssessmentItem;
    }
    HibernateCallback<List<PeerAssessmentItem>> hcb = session -> {
        Query q = session.getNamedQuery("findPeerAssessmentItemsByUserAndAssignment");
        q.setParameter("assignmentId", assignmentId);
        q.setParameter("assessorUserId", assessorUserId);
        return q.list();
    };

    listPeerAssessmentItem = getHibernateTemplate().execute(hcb);

    for (PeerAssessmentItem item : listPeerAssessmentItem) {
        item.setScaledFactor(scaledFactor);
    }

    return listPeerAssessmentItem;
}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
/**
 * swapSyllabusDataPositions swaps positions for two SyllabusData objects
 * @param syllabusItem
 * @param d1
 * @param d2
 */
public void swapSyllabusDataPositions(final SyllabusItem syllabusItem, final SyllabusData d1, final SyllabusData d2)      
{
  if (syllabusItem == null || d1 == null || d2 == null)
  {
    throw new IllegalArgumentException("Null Argument");
  }
  else
  {
    HibernateCallback hcb = session -> {
      // load objects from hibernate
      SyllabusData data1 = (SyllabusData) session.get(SyllabusDataImpl.class, d1.getSyllabusId());
      SyllabusData data2 = (SyllabusData) session.get(SyllabusDataImpl.class, d2.getSyllabusId());

      Integer temp = data1.getPosition();
      data1.setPosition(data2.getPosition());
      data2.setPosition(temp);

      return null;
    };
    getHibernateTemplate().execute(hcb);
  }
}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
/**
 * getSyllabusItemByUserAndContextIds finds a SyllabusItem
 * @param userId
 * @param contextId
 * @return SyllabusItem
 *        
 */
public SyllabusItem getSyllabusItemByUserAndContextIds(final String userId, final String contextId)
{
  if (userId == null || contextId == null)
  {
    throw new IllegalArgumentException("Null Argument");
  }
        
  HibernateCallback<SyllabusItem> hcb = session -> {
    Query q = session.getNamedQuery(QUERY_BY_USERID_AND_CONTEXTID);
    q.setParameter(USER_ID, userId, StringType.INSTANCE);
    q.setParameter(CONTEXT_ID, contextId, StringType.INSTANCE);
    return (SyllabusItem) q.uniqueResult();
  };
      
  return getHibernateTemplate().execute(hcb);
}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
public ItemGradingData getItemGradingData(final Long assessmentGradingId, final Long publishedItemId) {
    log.debug("****assessmentGradingId={}", assessmentGradingId);
    log.debug("****publishedItemId={}", publishedItemId);

    final HibernateCallback<List<ItemGradingData>> hcb = session -> {
        Query q = session.createQuery(
                "from ItemGradingData i where i.assessmentGradingId = :gradingid and i.publishedItemId = :itemid");
        q.setLong("gradingid", assessmentGradingId);
        q.setLong("itemid", publishedItemId);
        return q.list();
    };
    List<ItemGradingData> itemGradings = getHibernateTemplate().execute(hcb);

    if (itemGradings.isEmpty()) {
        return null;
    }
    return itemGradings.get(0);
}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
public AssessmentGradingData getLastAssessmentGradingByAgentId(final Long publishedAssessmentId, final String agentIdString) {
    AssessmentGradingData ag = null;

    final HibernateCallback<List<AssessmentGradingData>> hcb = session -> {
        Query q = session.createQuery(
                "from AssessmentGradingData a where a.publishedAssessmentId = :id and a.agentId = :agent order by a.submittedDate desc");
        q.setLong("id", publishedAssessmentId);
        q.setString("agent", agentIdString);
        return q.list();
    };
    List<AssessmentGradingData> assessmentGradings = getHibernateTemplate().execute(hcb);

    if (!assessmentGradings.isEmpty()) {
        ag = assessmentGradings.get(0);
        ag.setItemGradingSet(getItemGradingSet(ag.getAssessmentGradingId()));
    }
    return ag;
}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
/**
 * Return a list of questionPoolId (java.lang.Long)
 *
 * @param itemId DOCUMENTATION PENDING
 * @param poolId DOCUMENTATION PENDING
 */

public List getPoolIdsByItem(final String itemId) {
  List idList = new ArrayList();
  
  final HibernateCallback<List> hcb = session -> {
      Query q = session.createQuery("select qpi from QuestionPoolItemData as qpi where qpi.itemId = :id");
      q.setString("id", itemId);
      return q.list();
  };
  List qpiList = getHibernateTemplate().execute(hcb);

  try {
    Iterator iter = qpiList.iterator();
    while (iter.hasNext()) {
      QuestionPoolItemData qpa = (QuestionPoolItemData) iter.next();
      idList.add(qpa.getQuestionPoolId()); // return a list of poolId (java.lang.Long)
    }
    return idList;
  }
  catch (Exception e) {
      log.error(e.getMessage(), e);
      return null;
  }
}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
public List<Object[]> findMessageCountByForumId(final Long forumId) {
    if (forumId == null) {
        log.error("findMessageCountByForumId failed with forumId: " + forumId);
        throw new IllegalArgumentException("Null Argument");
    }

    log.debug("findMessageCountByForumId executing with forumId: " + forumId);

    HibernateCallback<List<Object[]>> hcb = session -> {
        Query q = session.getNamedQuery("findMessageCountByForumId");
        q.setLong("forumId", forumId);
        return q.list();
    };

    return getHibernateTemplate().execute(hcb);
}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
/**
 * sql查詢多筆資料
 * 
 * @param sqlString
 * @param paramNames
 * @param values
 * @param columnAliases
 * @param types
 * @param top
 */
protected <E> List<E> findBySql(final String sqlString, final String[] paramNames, final Object[] values,
		final String[] columnAliases, final Object[] types, final Integer top) {
	List<E> result = new LinkedList<E>();
	try {
		result = (List<E>) getHibernateTemplate().executeWithNativeSession(new HibernateCallback<List<E>>() {
			@SuppressWarnings("unchecked")
			public List<E> doInHibernate(Session session) throws HibernateException {
				SQLQuery query = session.createSQLQuery(sqlString);
				cacheQuery(query);
				processQueryParamters(query, paramNames, values);
				processSQLQueryScalar(query, columnAliases, types);
				if (top != null) {
					query.setMaxResults(top);
				}
				return query.list();
			}
		});
	} catch (Exception ex) {
		throw new CommonDaoException(ex);
	}
	return result;
}
 

import org.springframework.orm.hibernate4.HibernateCallback; //导入依赖的package包/类
public Set<PublishedItemData> getPublishedItemSet(final Long publishedAssessmentId, final Long sectionId) {
	final HibernateCallback<List<PublishedItemData>> hcb = session -> session
			.createQuery("select i from PublishedItemData i, PublishedSectionData s, PublishedAssessmentData p " +
					"where p.publishedAssessmentId = :id and i.section.id = :section and p = s.assessment and i.section = s")
			.setLong("id", publishedAssessmentId)
			.setLong("section", sectionId)
			.list();
	List<PublishedItemData> assessmentGradings = getHibernateTemplate().execute(hcb);

	Set<PublishedItemData> itemSet = new HashSet<>();
    for (PublishedItemData publishedItemData : assessmentGradings) {
    	log.debug("itemId = {}", publishedItemData.getItemId());
    	itemSet.add(publishedItemData);
    }
    return itemSet;

}