本文整理了Java中javax.persistence.criteria.CriteriaQuery.getSelection()方法的一些代码示例，展示了CriteriaQuery.getSelection()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.getSelection()方法的具体详情如下：
包路径：javax.persistence.criteria.CriteriaQuery
类名称：CriteriaQuery
方法名：getSelection

CriteriaQuery.getSelection介绍

暂无

代码示例

代码示例来源：origin: kiegroup/jbpm

@Override
protected <T,R> Expression getOrderByExpression(CriteriaQuery<R> query, Class<T> queryType, String orderByListId) {
  List<Selection<?>> selections = query.getSelection().getCompoundSelectionItems();
  Selection orderBySelection = null;
  if( orderByListId.equals(QueryParameterIdentifiers.TASK_ID_LIST) ) {
    orderBySelection = selections.get(0);
  } else if( orderByListId.equals(QueryParameterIdentifiers.TASK_NAME_LIST) ) {
    orderBySelection = selections.get(1);
  } else if( orderByListId.equals(QueryParameterIdentifiers.TASK_STATUS_LIST) ) {
    orderBySelection = selections.get(4);
  } else if( orderByListId.equals(QueryParameterIdentifiers.CREATED_BY_LIST) ) {
    orderBySelection = selections.get(8);
  } else if( orderByListId.equals(QueryParameterIdentifiers.CREATED_ON_LIST) ) {
    orderBySelection = selections.get(9);
  } else if( orderByListId.equals(QueryParameterIdentifiers.PROCESS_INSTANCE_ID_LIST) ) {
    orderBySelection = selections.get(14);
  }
  return (Expression<?>) orderBySelection;
}

代码示例来源：origin: Impetus/Kundera

Selection<S> select = criteriaQuery.getSelection();

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

public static <T> void copyCriteria(CriteriaQuery<T> from, CriteriaQuery<T> to) {
  copyCriteriaNoSelection(from, to);
  to.select(from.getSelection());
}

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

@Override
protected boolean isCompoundSelection() {
  return query.getSelection().isCompoundSelection();
}

代码示例来源：origin: org.jbpm/jbpm-human-task-jpa

@Override
protected <T,R> Expression getOrderByExpression(CriteriaQuery<R> query, Class<T> queryType, String orderByListId) {
  List<Selection<?>> selections = query.getSelection().getCompoundSelectionItems();
  Selection orderBySelection = null;
  if( orderByListId.equals(QueryParameterIdentifiers.TASK_ID_LIST) ) {
    orderBySelection = selections.get(0);
  } else if( orderByListId.equals(QueryParameterIdentifiers.TASK_NAME_LIST) ) {
    orderBySelection = selections.get(1);
  } else if( orderByListId.equals(QueryParameterIdentifiers.TASK_STATUS_LIST) ) {
    orderBySelection = selections.get(4);
  } else if( orderByListId.equals(QueryParameterIdentifiers.CREATED_BY_LIST) ) {
    orderBySelection = selections.get(8);
  } else if( orderByListId.equals(QueryParameterIdentifiers.CREATED_ON_LIST) ) {
    orderBySelection = selections.get(9);
  } else if( orderByListId.equals(QueryParameterIdentifiers.PROCESS_INSTANCE_ID_LIST) ) {
    orderBySelection = selections.get(14);
  }
  return (Expression<?>) orderBySelection;
}

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

@Override
public void addSelection(Expression<?> expression, String name) {
  Selection<?> selection = criteriaQuery.getSelection();
  List<Selection<?>> newSelection = new ArrayList<>();
  if (selection != null) {
    if (selection.isCompoundSelection()) {
      newSelection.addAll(selection.getCompoundSelectionItems());
    }
    else {
      newSelection.add(selection);
    }
  }
  newSelection.add(expression);
  criteriaQuery.multiselect(newSelection);
}

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.thinkbiganalytics.kylo/kylo-operational-metadata-jpa

@Override
public <S, T, ID extends Serializable> Specification<S> augment(Specification<S> spec, Class<S> domainClass,
                                JpaEntityInformation<T, ID> entityInformation) {
  LOG.debug("QueryAugmentor.augment");
  return (root, query, criteriaBuilder) -> {
    Root<JpaFeedOpsAclEntry> fromAcl = query.from(JpaFeedOpsAclEntry.class);
    query.distinct(true);
    if (query.getSelection() == null) {
      query.select((Selection) root);
    }
    Path<Object> feedId = getFeedId(entityInformation, root);
    javax.persistence.criteria.Predicate rootFeedIdEqualToAclFeedId = criteriaBuilder.equal(feedId, fromAcl.get("feedId"));
    RoleSetExposingSecurityExpressionRoot userCxt = getUserContext();
    javax.persistence.criteria.Predicate aclPrincipalInGroups = fromAcl.get("principalName").in(userCxt.getGroups());
    javax.persistence.criteria.Predicate aclPrincipalTypeIsGroup = criteriaBuilder.equal(fromAcl.get("principalType"), FeedOpsAclEntry.PrincipalType.GROUP);
    javax.persistence.criteria.Predicate acePrincipalGroupMatch = criteriaBuilder.and(aclPrincipalInGroups, aclPrincipalTypeIsGroup);
    javax.persistence.criteria.Predicate aclPrincipalEqUser = criteriaBuilder.equal(fromAcl.get("principalName"), userCxt.getName());
    javax.persistence.criteria.Predicate aclPrincipalTypeIsUser = criteriaBuilder.equal(fromAcl.get("principalType"), FeedOpsAclEntry.PrincipalType.USER);
    javax.persistence.criteria.Predicate acePrincipalUserMatch = criteriaBuilder.and(aclPrincipalEqUser, aclPrincipalTypeIsUser);
    javax.persistence.criteria.Predicate acePrincipalMatch = criteriaBuilder.or(acePrincipalGroupMatch, acePrincipalUserMatch);
    javax.persistence.criteria.Predicate feedIdEqualsAndPrincipalMatch = criteriaBuilder.and(rootFeedIdEqualToAclFeedId, acePrincipalMatch);
    if (spec != null) {
      javax.persistence.criteria.Predicate predicate = spec.toPredicate(root, query, criteriaBuilder);
      return criteriaBuilder.and(predicate, feedIdEqualsAndPrincipalMatch);
    } else {
      return feedIdEqualsAndPrincipalMatch;
    }
  };
}

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.hibernate/com.springsource.org.hibernate.ejb

renderedCriteriaQuery.getQueryString(),
criteriaQuery.getResultType(),
criteriaQuery.getSelection(),
new HibernateEntityManagerImplementor.Options() {
  public List<ValueHandlerFactory.ValueHandler> getValueHandlers() {

代码示例来源：origin: SmartDataAnalytics/jena-sparql-api

Selection<X> selection = criteriaQuery.getSelection();

代码示例来源：origin: org.aksw.jena-sparql-api/jena-sparql-api-mapper

Selection<X> selection = criteriaQuery.getSelection();