| /* |
| * Copyright 2005 The Apache Software Foundation. |
| * |
| * Licensed 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. |
| */ |
| |
| package org.apache.jdo.tck.query; |
| |
| |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| |
| import javax.jdo.PersistenceManager; |
| import javax.jdo.Query; |
| |
| import org.apache.jdo.tck.pc.mylib.PCPoint; |
| import org.apache.jdo.tck.util.BatchTestRunner; |
| |
| /** |
| *<B>Title:</B> Get PersistenceManager From Restored Serialized Query |
| *<BR> |
| *<B>Keywords:</B> query |
| *<BR> |
| *<B>Assertion ID:</B> A14.6-3. |
| *<BR> |
| *<B>Assertion Description: </B> If a <code>Query</code> instance has been restored from a serialized form, <code>Query.getPersistenceManager()</code> returns <code>null</code>. |
| */ |
| |
| public class GetPersistenceManagerFromRestoredSerializedQuery |
| extends QueryTest { |
| |
| /** */ |
| private static final String ASSERTION_FAILED = |
| "Assertion A14.6-3 (GetPersistenceManagerFromRestoredSerializedQuery) 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(GetPersistenceManagerFromRestoredSerializedQuery.class); |
| } |
| |
| |
| /** */ |
| public void test() throws Exception { |
| pm = getPM(); |
| |
| // initDatabase(pm, PCPoint.class); |
| runTestGetPersistenceManagerFromRestoredSerializedQuery(pm); |
| |
| pm.close(); |
| pm = null; |
| } |
| |
| /** */ |
| void serializeQuery(PersistenceManager pm) throws Exception { |
| Query query = pm.newQuery(); |
| query.setClass(PCPoint.class); |
| query.setCandidates(pm.getExtent(PCPoint.class, false)); |
| query.setFilter("x == 3"); |
| query.compile(); |
| |
| ObjectOutputStream oos = null; |
| try { |
| if (debug) logger.debug("Attempting to serialize Query object."); |
| oos = new ObjectOutputStream(new FileOutputStream(SERIALZED_QUERY)); |
| oos.writeObject(query); |
| if (debug) logger.debug("Query object serialized."); |
| } |
| finally { |
| if (oos != null) { |
| try { oos.close();} catch(Exception ex) {} |
| } |
| } |
| } |
| |
| /** */ |
| void runTestGetPersistenceManagerFromRestoredSerializedQuery( |
| PersistenceManager pm) throws Exception { |
| if (debug) |
| logger.debug("\nExecuting test GetPersistenceManagerFromRestoredSerializedQuery() ..."); |
| |
| Query restoredQuery = null; |
| ObjectInputStream ois = null; |
| PersistenceManager pm1 = null; |
| |
| serializeQuery(pm); |
| |
| try { |
| if (debug) logger.debug("Attempting to de-serialize Query object."); |
| ois = new ObjectInputStream(new FileInputStream(SERIALZED_QUERY)); |
| restoredQuery = (Query)ois.readObject(); |
| if (restoredQuery == null) { |
| fail(ASSERTION_FAILED, |
| "Deserialzed query is null"); |
| } |
| if (debug) logger.debug("Query object restored."); |
| } |
| finally { |
| if (ois != null) { |
| try { ois.close(); } catch(Exception ex) {} |
| } |
| } |
| |
| pm1 = restoredQuery.getPersistenceManager(); |
| if (pm1 == null) { |
| if (debug) |
| logger.debug("Test GetPersistenceManagerFromRestoredSerializedQuery(): Passed"); |
| } |
| else { |
| fail(ASSERTION_FAILED, |
| "Deserialzed query instance should not have a pm associated"); |
| } |
| } |
| } |