| /* |
| * 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 |
| <<<<<<< Updated upstream |
| * |
| * 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 |
| ======= |
| * |
| * https://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 |
| >>>>>>> Stashed changes |
| * limitations under the License. |
| */ |
| |
| package org.apache.jdo.tck.query.api; |
| |
| import java.util.Collection; |
| import javax.jdo.FetchPlan; |
| import javax.jdo.Query; |
| import org.apache.jdo.tck.pc.mylib.PCClass; |
| import org.apache.jdo.tck.query.QueryTest; |
| import org.apache.jdo.tck.util.BatchTestRunner; |
| |
| /** |
| * <B>Title:</B> Get Fetch Plan. <br> |
| * <B>Keywords:</B> query <br> |
| * <B>Assertion ID:</B> A14.6-21. <br> |
| * <B>Assertion Description: </B> This method retrieves the fetch plan associated with the Query. It |
| * always returns the identical instance for the same Query instance. Any change made to the fetch |
| * plan affects subsequent query execution. |
| */ |
| public class GetFetchPlan extends QueryTest { |
| |
| /** */ |
| private static final String ASSERTION_FAILED = "Assertion A14.6-21 (FetchPan) failed: "; |
| |
| private static final String FETCH_GROUP_1 = "fetchGroup1"; |
| private static final String FETCH_GROUP_2 = "fetchGroup2"; |
| |
| /** |
| * The <code>main</code> is called when the class is directly executed from the command line. |
| * |
| * @param args The arguments passed to the program. |
| */ |
| public static void main(String[] args) { |
| BatchTestRunner.run(GetFetchPlan.class); |
| } |
| |
| /** */ |
| private Query<PCClass> createQuery() { |
| Query<PCClass> query = getPM().newQuery(PCClass.class, "true"); |
| query.getFetchPlan().setGroup(FETCH_GROUP_1); |
| return query; |
| } |
| |
| /** */ |
| public void testFetchGroup1() { |
| // localSetUp closes the PM |
| Query<PCClass> query = createQuery(); |
| checkSameFetchPlanInstances(query); |
| checkFetchGroup1(query); |
| cleanupPM(); |
| } |
| |
| public void testFetchGroup2() { |
| // localSetUp closes the PM |
| Query<PCClass> query = createQuery(); |
| checkFetchGroup2(query); |
| checkFetchGroup1(query); |
| } |
| |
| private void checkSameFetchPlanInstances(Query<PCClass> query) { |
| FetchPlan fetchPlan1 = query.getFetchPlan(); |
| FetchPlan fetchPlan2 = query.getFetchPlan(); |
| if (fetchPlan1 != fetchPlan2) { |
| fail( |
| ASSERTION_FAILED |
| + "Calling getFetchPlan twice on the same " |
| + "query instance results in two different fetch plan instances."); |
| } |
| } |
| |
| /** |
| * Checks if the given query loads fields assigned to fetchGroup1 |
| * |
| * @param query the query |
| */ |
| @SuppressWarnings("unchecked") |
| private void checkFetchGroup1(Query<PCClass> query) { |
| FetchPlan fetchplan = query.getFetchPlan(); |
| Collection<String> fetchgroups = fetchplan.getGroups(); |
| assertTrue( |
| "FetchPlan should include fetchGroup1 and not fetchGroup2", |
| fetchgroups.contains(FETCH_GROUP_1) && !fetchgroups.contains(FETCH_GROUP_2)); |
| } |
| |
| /** |
| * Checks if the given query loads fields assigned to "fetchGroup1" plus fetch group |
| * "fetchGroup2". For this purpose, the method temporarily adds fetch group "fetchGroup2" to the |
| * fetch plan of the given query instance. That fetch group loads field number2. Finally, that |
| * fetch group is removed from the fetch plan again. |
| * |
| * @param query the query |
| */ |
| @SuppressWarnings("unchecked") |
| private void checkFetchGroup2(Query<PCClass> query) { |
| FetchPlan fetchplan = query.getFetchPlan(); |
| fetchplan.addGroup(FETCH_GROUP_2); |
| Collection<String> fetchgroups = fetchplan.getGroups(); |
| try { |
| assertTrue( |
| "FetchPlan should include fetchGroup1 and fetchGroup2", |
| fetchgroups.contains(FETCH_GROUP_1) && fetchgroups.contains(FETCH_GROUP_2)); |
| } finally { |
| query.getFetchPlan().removeGroup(FETCH_GROUP_2); |
| } |
| } |
| } |