org.hibernate.internal.CriteriaImpl#getProjection

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);
}

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());
}

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);
}

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;
}

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);
}

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());
}

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);

	}

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