| /* |
| * 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; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| |
| /** |
| * Defines an entity graph to be applied to a query. This annotation can be added to any query |
| * method of a repository class. |
| * <p> |
| * The arguments {@code value} and {@code paths} are mutually exclusive. If {@code value} is set, it |
| * references a named entity graph defined by JPA metadata. |
| * <p> |
| * If {@code paths} is set, an entity graph is constructed programmatically from the list of |
| * attribute paths. |
| * |
| */ |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target(ElementType.METHOD) |
| public @interface EntityGraph |
| { |
| /** |
| * Name of a named entity graph. |
| * @return graph name |
| */ |
| String value() default ""; |
| |
| /** |
| * Type of entity graph (fetch or load). |
| * @return graph type |
| */ |
| EntityGraphType type() default EntityGraphType.FETCH; |
| |
| /** |
| * List of attribute paths. Each path may have multiple components, separated |
| * by dots. A single component path adds an attribute node to the entity graph. |
| * A path {@code foo.bar.baz} adds an attribute node {@code baz} to a subgraph |
| * {@code bar} for the subgraph {@code foo}. |
| * |
| * @return list of paths |
| */ |
| String[] paths() default { }; |
| } |