src/test/java/org/apache/openjpa/persistence/test/SingleEMFTestCase.java

/*
 * 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.test;

import org.apache.openjpa.jdbc.meta.ClassMapping;
import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI;

public abstract class SingleEMFTestCase extends PersistenceTestCase
{

    protected OpenJPAEntityManagerFactorySPI emf;

    /**
     * Call {@link #setUp(Object...)} with no arguments so that the emf set-up happens even if <code>setUp()</code> is
     * not called from the subclass.
     */
    public void setUp() throws Exception
    {
        setUp( new Object[0] );
    }

    /**
     * Initialize entity manager factory. Put {@link #CLEAR_TABLES} in this list to tell the test framework to delete
     * all table contents before running the tests.
     * 
     * @param props
     *            list of persistent types used in testing and/or configuration values in the form
     *            key,value,key,value...
     */
    protected void setUp( Object... props )
    {
        emf = createEMF( props );
    }

    /**
     * Closes the entity manager factory.
     */
    public void tearDown() throws Exception
    {
        super.tearDown();

        if ( emf == null )
            return;

        try
        {
            clear( emf );
        }
        finally
        {
            closeEMF( emf );
        }
    }

    protected ClassMapping getMapping( String name )
    {
        return (ClassMapping) emf.getConfiguration().getMetaDataRepositoryInstance().getMetaData(
                                                                                                  name,
                                                                                                  getClass().getClassLoader(),
                                                                                                  true );
    }
}