本文整理了Java中javax.persistence.criteria.CriteriaQuery.getGroupList()方法的一些代码示例，展示了CriteriaQuery.getGroupList()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。CriteriaQuery.getGroupList()方法的具体详情如下：
包路径：javax.persistence.criteria.CriteriaQuery
类名称：CriteriaQuery
方法名：getGroupList

CriteriaQuery.getGroupList介绍

暂无

代码示例

代码示例来源：origin: katharsis-project/katharsis-framework

@Override
@SuppressWarnings({ "rawtypes" })
public long getTotalRowCount() {
  Selection<T> selection = query.getSelection();
  List<Order> orderList = query.getOrderList();
  try {
    CriteriaBuilder builder = em.getCriteriaBuilder();
    Expression<Long> countExpr;
    Set<Root<?>> roots = query.getRoots();
    if (roots.size() != 1) {
      throw new IllegalStateException("cannot compute totalRowCount in case of multiple query roots");
    }
    if (!query.getGroupList().isEmpty()) {
      throw new IllegalStateException("cannot compute totalRowCount for grouped queries");
    }
    // transform query to a count query
    Root root = roots.iterator().next();
    countExpr = builder.count(root);
    query.multiselect(countExpr);
    query.orderBy(new ArrayList<Order>());
    TypedQuery countQuery = em.createQuery(query);
    return (Long) countQuery.getSingleResult();
  }
  finally {
    // transform count query back to regular query
    query.multiselect(selection);
    query.orderBy(orderList);
  }
}

代码示例来源：origin: com.walterjwhite.infrastructure.datastore.modules/google-guice-persist-criteria-builder

/** Use ES here, it would be more efficient. */
 public void search() {
  //    criteriaBuilder.equal()
  CriteriaQuery<Long> criteriaQuery = null;
  criteriaQuery.getParameters();
  criteriaQuery.getGroupList();
  criteriaQuery.getOrderList();
  criteriaQuery.getGroupRestriction();
  criteriaQuery.getRestriction();
  criteriaQuery.getSelection();

  final Predicate predicate = null;
 }
}

代码示例来源：origin: org.jboss.pressgang.ccms/pressgang-ccms-query

/**
 * Copy Criteria without Selection
 *
 * @param from source Criteria
 * @param to   destination Criteria
 */
public static void copyCriteriaNoSelection(CriteriaQuery<?> from, CriteriaQuery<?> to) {
  // Copy Roots
  for (Root<?> root : from.getRoots()) {
    Root<?> dest = to.from(root.getJavaType());
    dest.alias(getOrCreateAlias(root));
    copyJoins(root, dest);
  }
  if (from.getGroupList() != null) to.groupBy(from.getGroupList());
  to.distinct(from.isDistinct());
  if (from.getGroupRestriction() != null) to.having(from.getGroupRestriction());
  if (from.getRestriction() != null) to.where(from.getRestriction());
  if (from.getOrderList() != null) to.orderBy(from.getOrderList());
}