| /* |
| * 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. |
| */ |
| |
| // |
| // This source code implements specifications defined by the Java |
| // Community Process. In order to remain compliant with the specification |
| // DO NOT add / change / or delete method signatures! |
| // |
| package javax.persistence; |
| |
| /** |
| * Factory interface for query definition objects |
| */ |
| public interface QueryBuilder { |
| /** |
| * Create an uninitialized query definition object. |
| * |
| * @return query definition instance |
| */ |
| QueryDefinition createQueryDefinition(); |
| |
| /** |
| * Create a query definition object with the given root. The root must be an |
| * entity class. |
| * |
| * @param cls - |
| * an entity class |
| * @return root domain object |
| */ |
| DomainObject createQueryDefinition(Class root); |
| |
| /** |
| * Create a query definition object whose root is derived from a domain |
| * object of the containing query. Provides support for correlated |
| * subqueries. Joins against the resulting domain object do not affect the |
| * query domain of the containing query. The path expression must correspond |
| * to an entity class. The path expression must not be a domain object of |
| * the containing query. |
| * |
| * @param path - |
| * path expression corresponding to the domain object used to |
| * derive the subquery root. |
| * @return the subquery DomainObject |
| */ |
| DomainObject createSubqueryDefinition(PathExpression path); |
| } |