| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.deltaspike.data.api; |
| |
| /** |
| * Defines the way a single result query is fetched. |
| */ |
| public enum SingleResultType |
| { |
| |
| /** |
| * Expects a single result, throws a {@link javax.persistence.NoResultException} or |
| * {@link javax.persistence.NonUniqueResultException} otherwise. This is the JPA |
| * default behavior. |
| */ |
| JPA, |
| |
| /** |
| * Expects a single result. Other than {@link SingleResultType#JPA} it returns {@code null} |
| * if no result is found. |
| */ |
| OPTIONAL, |
| |
| /** |
| * Returns any result, or {@code null} if nothing is found. If more than one result is found, |
| * it returns the first one from the result list. |
| */ |
| ANY |
| |
| } |
