tck11/test/java/org/apache/jdo/tck/query/RestoredSerializedQueryInstanceLosesAssociationWithPM.java

/*
 * 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.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import javax.jdo.JDOException;
import javax.jdo.PersistenceManager;
import javax.jdo.Query;
import javax.jdo.Transaction;

import org.apache.jdo.tck.util.BatchTestRunner;

/**
 *<B>Title:</B> Restored Serialized Query Instance Loses Association With PM
 *<BR>
 *<B>Keywords:</B> query
 *<BR>
 *<B>Assertion ID:</B> A14.3-8.
 *<BR>
 *<B>Assertion Description: </B>
If a serialized instance is restored, it loses its association with its former
<code>PersistenceManager</code>.

 */

public class RestoredSerializedQueryInstanceLosesAssociationWithPM
    extends QueryTest {

    /** */
    private static final String ASSERTION_FAILED = 
        "Assertion A14.3-8 (RestoredSerializedQueryInstanceLosesAssociationWithPM) 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(RestoredSerializedQueryInstanceLosesAssociationWithPM.class);
    }

    /** */
    public void test() throws Exception {
        pm = getPM();

        checkRestoredQueryInstance(pm);
        
        pm.close();
        pm = null;
    }

    /** */
    void checkRestoredQueryInstance(PersistenceManager pm) throws Exception {
        Transaction tx = pm.currentTransaction();
        try {
            tx.begin();
            Query query = pm.newQuery();
            Class clazz = org.apache.jdo.tck.pc.company.Project.class;
            query.setClass(clazz);
            query.setCandidates(pm.getExtent(clazz, false));
            query.declareVariables("org.apache.jdo.tck.pc.company.Person a; org.apache.jdo.tck.pc.company.Person b" );
            query.setFilter("reviewers.contains(a) && a.firstname==\"brazil\" || reviewers.contains(b) && b.firstname==\"brazil\"" );
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(baos);
            oos.writeObject(query);
            ObjectInputStream ois = 
                new ObjectInputStream(
                    new ByteArrayInputStream(baos.toByteArray()));
            query = (Query) ois.readObject();
            
            try {
                Object results = query.execute();
                fail(ASSERTION_FAILED,
                     "A deserialized query instance should not execute successfully without associating that instance to a persistence manager");
            } 
            catch (JDOException e) {
                if (debug) logger.debug("Caught expected " + e);
            }
        }
        finally {
            if ((tx != null) && tx.isActive())
                tx.rollback();
        }
    }
}