openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/kernel/TestSequence.java

/*
 * TestSequence.java
 *
 * Created on October 13, 2006, 5:17 PM
 *
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 * and open the template in the editor.
 */
/*
 * 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
 *
 * 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.openjpa.persistence.kernel;



import org.apache.openjpa.persistence.kernel.common.apps.AImplB;

import org.apache.openjpa.persistence.Generator;
import org.apache.openjpa.persistence.OpenJPAEntityManager;

public class TestSequence extends BaseKernelTest {

    /**
     * Creates a new instance of TestSequence
     */
    public TestSequence() {
    }

    public TestSequence(String name) {
        super(name);
    }

    public void testSequence() {
        OpenJPAEntityManager pm = getPM();
        startTx(pm);
        Generator seq = pm.getIdGenerator(AImplB.class);
        assertNotNull(seq);
        Number val = (Number) seq.next();
        assertNotNull(val);
        AImplB aib = new AImplB("x", val.intValue(), "y");
        pm.persist(aib);

        for (int i = 0; i < 100; i++)
            assertEquals(((Number) pm.getIdGenerator(AImplB.class).
                next()).longValue() + 1,
                ((Number) pm.getIdGenerator(AImplB.class).
                    next()).longValue());

        endTx(pm);
    }
}