| /* |
| * 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.Employee; |
| import org.apache.jdo.tck.pc.company.IEmployee; |
| import org.apache.jdo.tck.util.BatchTestRunner; |
| |
| /** |
| * <B>Title:</B> Null Candidate Collection Expression in addSubquery <br> |
| * <B>Keywords:</B> query <br> |
| * <B>Assertion ID:</B> A14.6.2-53. <br> |
| * <B>Assertion Description: </B> The candidateCollectionExpression is the expression from the outer |
| * query that represents the candidates over which the subquery is evaluated. If the trimmed value |
| * is the empty String, or the parameter is null, then the candidate collection is the extent of the |
| * candidate class. |
| */ |
| public class NullCandidateCollectionExpression extends SubqueriesTest { |
| |
| /** */ |
| private static final String ASSERTION_FAILED = |
| "Assertion A14.6.2-53 (NullCandidateCollectionExpression) 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(NullCandidateCollectionExpression.class); |
| } |
| |
| /** */ |
| public void testPositive() { |
| PersistenceManager pm = getPM(); |
| |
| List<IEmployee> expectedResult = |
| getTransientCompanyModelInstancesAsList( |
| IEmployee.class, "emp1", "emp2", "emp4", "emp5", "emp6", "emp7", "emp10"); |
| |
| // select employees who work more than the average of all employees |
| String singleStringJDOQL = |
| "SELECT FROM " |
| + Employee.class.getName() |
| + " WHERE this.weeklyhours > " |
| + "(SELECT AVG(e.weeklyhours) FROM " |
| + Employee.class.getName() |
| + " e)"; |
| |
| // API query |
| Query<Employee> sub = pm.newQuery(Employee.class); |
| sub.setResult("avg(this.weeklyhours)"); |
| Query<Employee> apiQuery = pm.newQuery(Employee.class); |
| apiQuery.setFilter("this.weeklyhours > averageWeeklyhours"); |
| // null candidate collection |
| apiQuery.addSubquery(sub, "double averageWeeklyhours", null); |
| executeJDOQuery( |
| ASSERTION_FAILED, apiQuery, singleStringJDOQL, false, null, expectedResult, true); |
| |
| apiQuery = pm.newQuery(Employee.class); |
| apiQuery.setFilter("this.weeklyhours > averageWeeklyhours"); |
| // empty candidate collection |
| apiQuery.addSubquery(sub, "double averageWeeklyhours", " "); |
| executeJDOQuery( |
| ASSERTION_FAILED, apiQuery, singleStringJDOQL, false, null, expectedResult, true); |
| } |
| |
| /** |
| * @see org.apache.jdo.tck.JDO_Test#localSetUp() |
| */ |
| @Override |
| protected void localSetUp() { |
| addTearDownClass(CompanyModelReader.getTearDownClasses()); |
| loadAndPersistCompanyModel(getPM()); |
| } |
| } |