Java Code Examples for org.hibernate.internal.CriteriaImpl#getProjection()

The following examples show how to use org.hibernate.internal.CriteriaImpl#getProjection() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: GenericBaseCommonDao.java From jeewx with Apache License 2.0

5 votes

/**
 * 获取分页记录CriteriaQuery 老方法final int allCounts =
 * oConvertUtils.getInt(criteria
 * .setProjection(Projections.rowCount()).uniqueResult(), 0);
 * 
 * @param cq
 * @param isOffset
 * @return
 */
public PageList getPageList(final CriteriaQuery cq, final boolean isOffset) {

	Criteria criteria = cq.getDetachedCriteria().getExecutableCriteria(
			getSession());
	CriteriaImpl impl = (CriteriaImpl) criteria;
	// 先把Projection和OrderBy条件取出来,清空两者来执行Count操作
	Projection projection = impl.getProjection();
	final int allCounts = ((Long) criteria.setProjection(
			Projections.rowCount()).uniqueResult()).intValue();
	criteria.setProjection(projection);
	if (projection == null) {
		criteria.setResultTransformer(CriteriaSpecification.ROOT_ENTITY);
	}

	// 判断是否有排序字段
	if (cq.getOrdermap() != null) {
		cq.setOrder(cq.getOrdermap());
	}
	int pageSize = cq.getPageSize();// 每页显示数
	int curPageNO = PagerUtil.getcurPageNo(allCounts, cq.getCurPage(),
			pageSize);// 当前页
	int offset = PagerUtil.getOffset(allCounts, curPageNO, pageSize);
	String toolBar = "";
	if (isOffset) {// 是否分页
		criteria.setFirstResult(offset);
		criteria.setMaxResults(cq.getPageSize());
		if (cq.getIsUseimage() == 1) {
			toolBar = PagerUtil.getBar(cq.getMyAction(), cq.getMyForm(),
					allCounts, curPageNO, pageSize, cq.getMap());
		} else {
			toolBar = PagerUtil.getBar(cq.getMyAction(), allCounts,
					curPageNO, pageSize, cq.getMap());
		}
	} else {
		pageSize = allCounts;
	}
	return new PageList(criteria.list(), toolBar, offset, curPageNO,
			allCounts);
}

Example 2

Source File: GenericBaseCommonDao.java From jeewx with Apache License 2.0

5 votes

/**
 * 返回JQUERY datatables DataTableReturn模型对象
 */
public DataTableReturn getDataTableReturn(final CriteriaQuery cq,
		final boolean isOffset) {

	Criteria criteria = cq.getDetachedCriteria().getExecutableCriteria(
			getSession());
	CriteriaImpl impl = (CriteriaImpl) criteria;
	// 先把Projection和OrderBy条件取出来,清空两者来执行Count操作
	Projection projection = impl.getProjection();
	final int allCounts = ((Long) criteria.setProjection(
			Projections.rowCount()).uniqueResult()).intValue();
	criteria.setProjection(projection);
	if (projection == null) {
		criteria.setResultTransformer(CriteriaSpecification.ROOT_ENTITY);
	}

	// 判断是否有排序字段
	if (cq.getOrdermap() != null) {
		cq.setOrder(cq.getOrdermap());
	}
	int pageSize = cq.getPageSize();// 每页显示数
	int curPageNO = PagerUtil.getcurPageNo(allCounts, cq.getCurPage(),
			pageSize);// 当前页
	int offset = PagerUtil.getOffset(allCounts, curPageNO, pageSize);
	if (isOffset) {// 是否分页
		criteria.setFirstResult(offset);
		criteria.setMaxResults(cq.getPageSize());
	} else {
		pageSize = allCounts;
	}
	DetachedCriteriaUtil.selectColumn(cq.getDetachedCriteria(), cq
			.getField().split(","), cq.getEntityClass(), false);
	return new DataTableReturn(allCounts, allCounts, cq.getDataTables()
			.getEcho(), criteria.list());
}

Example 3

Source File: GenericBaseCommonDao.java From jeewx with Apache License 2.0

5 votes

/**
 * 返回easyui datagrid DataGridReturn模型对象
 */
public DataGridReturn getDataGridReturn(final CriteriaQuery cq,
		final boolean isOffset) {
	Criteria criteria = cq.getDetachedCriteria().getExecutableCriteria(
			getSession());
	CriteriaImpl impl = (CriteriaImpl) criteria;
	// 先把Projection和OrderBy条件取出来,清空两者来执行Count操作
	Projection projection = impl.getProjection();
	final int allCounts = ((Long) criteria.setProjection(
			Projections.rowCount()).uniqueResult()).intValue();
	criteria.setProjection(projection);
	if (projection == null) {
		criteria.setResultTransformer(CriteriaSpecification.ROOT_ENTITY);
	}
	if (StringUtils.isNotBlank(cq.getDataGrid().getSort())) {
		cq.addOrder(cq.getDataGrid().getSort(), cq.getDataGrid().getOrder());
	}

	// 判断是否有排序字段
	if (!cq.getOrdermap().isEmpty()) {
		cq.setOrder(cq.getOrdermap());
	}
	int pageSize = cq.getPageSize();// 每页显示数
	int curPageNO = PagerUtil.getcurPageNo(allCounts, cq.getCurPage(),
			pageSize);// 当前页
	int offset = PagerUtil.getOffset(allCounts, curPageNO, pageSize);
	if (isOffset) {// 是否分页
		criteria.setFirstResult(offset);
		criteria.setMaxResults(cq.getPageSize());
	} else {
		pageSize = allCounts;
	}
	// DetachedCriteriaUtil.selectColumn(cq.getDetachedCriteria(),
	// cq.getField().split(","), cq.getClass1(), false);
	List list = criteria.list();
	cq.getDataGrid().setResults(list);
	cq.getDataGrid().setTotal(allCounts);
	return new DataGridReturn(allCounts, list);
}

Example 4

Source File: BaseHibernateDao.java From framework with Apache License 2.0

5 votes

/**
 * Description: <br>
 * 
 * @author 王伟<br>
 * @taskId <br>
 * @param detachedCriteria
 * @param pi
 * @param pageSize
 * @param <T> T
 * @return T
 * @throws DaoException <br>
 */
@Override
public <T> PagerList<T> getPageList(final DetachedCriteria detachedCriteria, final int pi, final int pageSize)
    throws DaoException {
    int pageIndex = pi;
    if (pi == 0) {
        pageIndex = 1;
    }

    Criteria criteria = detachedCriteria.getExecutableCriteria(getSession());

    // 查询分页总数
    CriteriaImpl impl = (CriteriaImpl) criteria;
    Projection projection = impl.getProjection();
    Long allCounts = (Long) criteria.setProjection(Projections.rowCount()).uniqueResult();

    criteria.setProjection(projection);
    criteria.setFirstResult((pageIndex - 1) * pageSize);
    criteria.setMaxResults(pageSize);

    PagerList<T> resultList = new PagerList<T>();
    resultList.setPageIndex(pageIndex);
    resultList.setPageSize(pageSize);
    if (allCounts == null) {
        allCounts = 0L;
    }
    resultList.setTotalCount(allCounts);

    if (allCounts > 0) {
        resultList.addAll(criteria.list());
    }
    return resultList;
}

Example 5

Source File: GenericBaseCommonDao.java From jeecg with Apache License 2.0

5 votes

/**
 * 获取分页记录CriteriaQuery 老方法final int allCounts =
 * oConvertUtils.getInt(criteria
 * .setProjection(Projections.rowCount()).uniqueResult(), 0);
 *
 * @param cq
 * @param isOffset
 * @return
 */
public PageList getPageList(final CriteriaQuery cq, final boolean isOffset) {

	Criteria criteria = cq.getDetachedCriteria().getExecutableCriteria(
			getSession());
	CriteriaImpl impl = (CriteriaImpl) criteria;
	// 先把Projection和OrderBy条件取出来,清空两者来执行Count操作
	Projection projection = impl.getProjection();
	final int allCounts = ((Long) criteria.setProjection(
			Projections.rowCount()).uniqueResult()).intValue();
	criteria.setProjection(projection);
	if (projection == null) {
		criteria.setResultTransformer(CriteriaSpecification.ROOT_ENTITY);
	}

	// 判断是否有排序字段
	if (cq.getOrdermap() != null) {
		cq.setOrder(cq.getOrdermap());
	}
	int pageSize = cq.getPageSize();// 每页显示数
	int curPageNO = PagerUtil.getcurPageNo(allCounts, cq.getCurPage(),
			pageSize);// 当前页
	int offset = PagerUtil.getOffset(allCounts, curPageNO, pageSize);
	String toolBar = "";
	if (isOffset) {// 是否分页
		criteria.setFirstResult(offset);
		criteria.setMaxResults(cq.getPageSize());
		if (cq.getIsUseimage() == 1) {
			toolBar = PagerUtil.getBar(cq.getMyAction(), cq.getMyForm(),
					allCounts, curPageNO, pageSize, cq.getMap());
		} else {
			toolBar = PagerUtil.getBar(cq.getMyAction(), allCounts,
					curPageNO, pageSize, cq.getMap());
		}
	} else {
		pageSize = allCounts;
	}
	return new PageList(criteria.list(), toolBar, offset, curPageNO,
			allCounts);
}

Example 6

Source File: GenericBaseCommonDao.java From jeecg with Apache License 2.0

5 votes

/**
 * 返回JQUERY datatables DataTableReturn模型对象
 */
public DataTableReturn getDataTableReturn(final CriteriaQuery cq,
		final boolean isOffset) {

	Criteria criteria = cq.getDetachedCriteria().getExecutableCriteria(
			getSession());
	CriteriaImpl impl = (CriteriaImpl) criteria;
	// 先把Projection和OrderBy条件取出来,清空两者来执行Count操作
	Projection projection = impl.getProjection();
	final int allCounts = ((Long) criteria.setProjection(
			Projections.rowCount()).uniqueResult()).intValue();
	criteria.setProjection(projection);
	if (projection == null) {
		criteria.setResultTransformer(CriteriaSpecification.ROOT_ENTITY);
	}

	// 判断是否有排序字段
	if (cq.getOrdermap() != null) {
		cq.setOrder(cq.getOrdermap());
	}
	int pageSize = cq.getPageSize();// 每页显示数
	int curPageNO = PagerUtil.getcurPageNo(allCounts, cq.getCurPage(),
			pageSize);// 当前页
	int offset = PagerUtil.getOffset(allCounts, curPageNO, pageSize);
	if (isOffset) {// 是否分页
		criteria.setFirstResult(offset);
		criteria.setMaxResults(cq.getPageSize());
	} else {
		pageSize = allCounts;
	}

	//DetachedCriteriaUtil.selectColumn(cq.getDetachedCriteria(), cq.getField().split(","), cq.getEntityClass(), false);

	
	return new DataTableReturn(allCounts, allCounts, cq.getDataTables().getEcho(), criteria.list());
}

Example 7

Source File: GenericBaseCommonDao.java From jeecg with Apache License 2.0

4 votes

/**
	 * 返回easyui datagrid DataGridReturn模型对象
	 */

	public void getDataGridReturn(CriteriaQuery cq,final boolean isOffset) {

		Criteria criteria = cq.getDetachedCriteria().getExecutableCriteria(getSession());
		CriteriaImpl impl = (CriteriaImpl) criteria;
		// 先把Projection和OrderBy条件取出来,清空两者来执行Count操作
		Projection projection = impl.getProjection();

//		final int allCounts = ((Long) criteria.setProjection(Projections.rowCount()).uniqueResult()).intValue();
		Object allCountsObj = criteria.setProjection(Projections.rowCount()).uniqueResult();
		final int allCounts;
		if(allCountsObj==null){
			allCounts = 0;
		}else{
			allCounts = ((Long) allCountsObj).intValue();
		}

		criteria.setProjection(projection);
		if (projection == null) {
			criteria.setResultTransformer(CriteriaSpecification.ROOT_ENTITY);
		}

		Map<String, Object> ordermap = cq.getOrdermap();
		if(ordermap==null){
			ordermap = new LinkedHashMap<String, Object>();
		}
		
		String sort = cq.getDataGrid().getSort();
		if (StringUtils.isNotBlank(sort)) {
			String []sortArr = sort.split(",");
			String []orderArr = cq.getDataGrid().getOrder().split(",");
			if(sortArr.length != orderArr.length && orderArr.length > 0){
				for (int i = 0; i < sortArr.length; i++) {
					if(SortDirection.asc.equals(SortDirection.toEnum(orderArr[0]))){
						ordermap.put(sortArr[i], SortDirection.asc);
					}else{
						ordermap.put(sortArr[i], SortDirection.desc);
					}
				}
			}else if(sortArr.length == orderArr.length){
				for (int i = 0; i < sortArr.length; i++) {
					if(SortDirection.asc.equals(SortDirection.toEnum(orderArr[i]))){
						ordermap.put(sortArr[i], SortDirection.asc);
					}else{
						ordermap.put(sortArr[i], SortDirection.desc);
					}
				}
			}
		}
		if(!ordermap.isEmpty() && ordermap.size()>0){
			cq.setOrder(ordermap);
		}


		// 判断是否有排序字段
//		if (!cq.getOrdermap().isEmpty()) {
//			cq.setOrder(cq.getOrdermap());
//		}
		int pageSize = cq.getPageSize();// 每页显示数
		int curPageNO = PagerUtil.getcurPageNo(allCounts, cq.getCurPage(),pageSize);// 当前页
		int offset = PagerUtil.getOffset(allCounts, curPageNO, pageSize);
		if (isOffset) {// 是否分页
			criteria.setFirstResult(offset);
			criteria.setMaxResults(cq.getPageSize());
		} else {
			pageSize = allCounts;
		}
		// DetachedCriteriaUtil.selectColumn(cq.getDetachedCriteria(),
		// cq.getField().split(","), cq.getClass1(), false);
		List<?> list = criteria.list();
		cq.getDataGrid().setResults(list);
		cq.getDataGrid().setTotal(allCounts);

		cq.clear();
		cq = null;

		//return new DataGridReturn(allCounts, list);

	}