| /* |
| * 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.jdoql.subqueries; |
| |
| import java.util.List; |
| import javax.jdo.PersistenceManager; |
| import javax.jdo.Query; |
| import org.apache.jdo.tck.pc.company.CompanyModelReader; |
| import org.apache.jdo.tck.pc.company.Department; |
| import org.apache.jdo.tck.pc.company.IDepartment; |
| import org.apache.jdo.tck.util.BatchTestRunner; |
| |
| /** |
| * <B>Title:</B> Test using an aggregate on a size expression <br> |
| * <B>Keywords:</B> query aggregate size <br> |
| * <B>Assertion ID:</B> <br> |
| * <B>Assertion Description: </B> |
| */ |
| public class AggregateOnSize extends SubqueriesTest { |
| |
| /** */ |
| private static final String ASSERTION_FAILED = "Assertion (AggregateOnSize) failed: "; |
| |
| /** |
| * 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(AggregateOnSize.class); |
| } |
| |
| /** */ |
| @SuppressWarnings("unchecked") |
| public void testMaxAndSizeInSubquery() { |
| PersistenceManager pm = getPM(); |
| |
| List<IDepartment> expectedResult = |
| getTransientCompanyModelInstancesAsList(IDepartment.class, "dept1"); |
| |
| // Select departments with the maximum number of employees |
| String singleStringJDOQL = |
| "SELECT FROM " |
| + Department.class.getName() |
| + " WHERE this.employees.size() == " |
| + "(SELECT MAX(d.employees.size()) FROM " |
| + Department.class.getName() |
| + " d)"; |
| |
| // API query |
| Query<Department> sub = pm.newQuery(Department.class); |
| sub.setResult("MAX(this.employees.size())"); |
| Query<Department> apiQuery = pm.newQuery(Department.class); |
| apiQuery.setFilter("this.employees.size() == number"); |
| apiQuery.addSubquery(sub, "long number", null); |
| executeJDOQuery( |
| ASSERTION_FAILED, apiQuery, singleStringJDOQL, false, null, expectedResult, true); |
| |
| // API query against memory model |
| List<Department> allDepartments = getAllPersistentInstances(pm, Department.class); |
| apiQuery.setCandidates(allDepartments); |
| executeJDOQuery( |
| ASSERTION_FAILED, apiQuery, singleStringJDOQL, false, null, expectedResult, true); |
| |
| // single String JDOQL |
| Query<Department> singleStringQuery = pm.newQuery(singleStringJDOQL); |
| executeJDOQuery( |
| ASSERTION_FAILED, singleStringQuery, singleStringJDOQL, false, null, expectedResult, true); |
| } |
| |
| /** |
| * @see org.apache.jdo.tck.JDO_Test#localSetUp() |
| */ |
| @Override |
| protected void localSetUp() { |
| addTearDownClass(CompanyModelReader.getTearDownClasses()); |
| loadAndPersistCompanyModel(getPM()); |
| } |
| } |