| /* |
| * 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; |
| |
| import java.util.List; |
| import javax.jdo.JDOQLTypedQuery; |
| import org.apache.jdo.tck.pc.company.CompanyModelReader; |
| import org.apache.jdo.tck.pc.company.Employee; |
| import org.apache.jdo.tck.pc.company.QEmployee; |
| import org.apache.jdo.tck.query.QueryElementHolder; |
| import org.apache.jdo.tck.query.QueryTest; |
| import org.apache.jdo.tck.util.BatchTestRunner; |
| |
| /** |
| * <B>Title:</B> Comparing a Collection Field to Null <br> |
| * <B>Keywords:</B> query nullcollection <br> |
| * <B>Assertion ID:</B> A14.6.2-36. <br> |
| * <B>Assertion Description: </B> For datastores that support <code>null</code> values for <code> |
| * Collection</code> types, it is valid to compare the field to <code>null</code>. Datastores that |
| * do not support <code>null</code> values for <code>Collection</code> types will return <code>false |
| * </code> if the query compares the field to <code>null</code>. |
| */ |
| public class ComparingCollectionFieldToNull extends QueryTest { |
| |
| /** */ |
| private static final String ASSERTION_FAILED = |
| "Assertion A14.6.2-36 (ComparingCollectionFieldToNull) failed: "; |
| |
| /** The expected results of valid queries. */ |
| private List<Employee> expectedResult; |
| |
| /** |
| * 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(ComparingCollectionFieldToNull.class); |
| } |
| |
| /** */ |
| public void testPositive() { |
| JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class); |
| QEmployee cand = QEmployee.candidate(); |
| query.filter(cand.personid.eq(1L).and(cand.projects.eq(null))); |
| |
| QueryElementHolder<Employee> holder = |
| new QueryElementHolder<>( |
| /*UNIQUE*/ null, |
| /*RESULT*/ null, |
| /*INTO*/ null, |
| /*FROM*/ Employee.class, |
| /*EXCLUDE*/ null, |
| /*WHERE*/ "personid == 1 && projects == null", |
| /*VARIABLES*/ null, |
| /*PARAMETERS*/ null, |
| /*IMPORTS*/ null, |
| /*GROUP BY*/ null, |
| /*ORDER BY*/ null, |
| /*FROM*/ null, |
| /*TO*/ null, |
| /*JDOQLTyped*/ query, |
| /*paramValues*/ null); |
| |
| executeAPIQuery(ASSERTION_FAILED, holder, expectedResult); |
| executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult); |
| executeJDOQLTypedQuery(ASSERTION_FAILED, holder, expectedResult); |
| } |
| |
| /** |
| * @see org.apache.jdo.tck.JDO_Test#localSetUp() |
| */ |
| @Override |
| protected void localSetUp() { |
| addTearDownClass(CompanyModelReader.getTearDownClasses()); |
| loadAndPersistCompanyModel(getPM()); |
| Employee employee = getPersistentCompanyModelInstance(Employee.class, "emp1"); |
| expectedResult = |
| // emp1 should be in the query result set, |
| // if the JDO Implentation supports null values for Collections |
| getTransientCompanyModelInstancesAsList( |
| Employee.class, isNullCollectionSupported() ? new String[] {"emp1"} : new String[] {}); |
| if (isNullCollectionSupported()) { |
| getPM().currentTransaction().begin(); |
| employee.setProjects(null); |
| getPM().currentTransaction().commit(); |
| } |
| } |
| } |