tck11/test/java/org/apache/jdo/tck/query/SetFilter.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.util.ArrayList;
import java.util.List;

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

import org.apache.jdo.tck.pc.mylib.PCPoint;
import org.apache.jdo.tck.util.BatchTestRunner;

/**
 *<B>Title:</B> Set Filter
 *<BR>
 *<B>Keywords:</B> query
 *<BR>
 *<B>Assertion ID:</B> A14.6-7.
 *<BR>
 *<B>Assertion Description: </B>
<code>Query.setFilter(String filter)</code> binds the query filter
to the query instance.

 */

public class SetFilter extends QueryTest {

    /** */
    private static final String ASSERTION_FAILED = 
        "Assertion A14.6-7 (SetFilter) 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(SetFilter.class);
    }

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

        initDatabase(pm, PCPoint.class);
        runTestNewQuery(pm);
        pm.close();
        pm = null;
    }

    /** */
    void runTestNewQuery(PersistenceManager pm) {
        Transaction tx = pm.currentTransaction();
        Class clazz = PCPoint.class;
        try {
            Extent extent = pm.getExtent(clazz, true);
            tx.begin();
            Query query = pm.newQuery();
            query.setClass(clazz);
            query.setCandidates(extent);
            query.setFilter("x == 2");
            Object results = query.execute();
            
            // check query result
            List expected = new ArrayList();
            expected.add(new PCPoint(2, 2));
            expected = getFromInserted(expected);
            printOutput(results, expected);
            checkQueryResultWithoutOrder(ASSERTION_FAILED, results, expected);

            tx.commit();
            tx = null;
        }
        finally {
            if ((tx != null) && tx.isActive())
                tx.rollback();
        }
    }
}