import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI; //导入依赖的package包/类
private synchronized void registerListener(final EntityManager entityManager) {
    if (entityManager instanceof OpenJPAEntityManagerSPI) {
        final OpenJPAEntityManagerSPI openjpaEM = (OpenJPAEntityManagerSPI) entityManager;
        final OpenJPAEntityManagerFactorySPI openjpaEMF = (OpenJPAEntityManagerFactorySPI) openjpaEM.getEntityManagerFactory();

        if (entityManagerListener == null) {
            entityManagerListener = new OpenJPALifecycleListener();
        }
        openjpaEMF.addLifecycleListener(entityManagerListener, (Class[]) null);
        return;
    }

    final Object delegate = entityManager.getDelegate();
    if (delegate != entityManager && delegate instanceof EntityManager) {
        registerListener((EntityManager) delegate);
    }
}
 

import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI; //导入依赖的package包/类
@SuppressWarnings("rawtypes")
public EntityManagerFactory createEntityManagerFactory(String persistenceUnitName, Map properties) {
    OpenJPAEntityManagerFactorySPI factory =
        (OpenJPAEntityManagerFactorySPI) _persistenceProvider.createEntityManagerFactory(
                persistenceUnitName, properties);
    factory.getConfiguration().setConnectionFactory(_space);
    return factory;
}
 

import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI; //导入依赖的package包/类
@SuppressWarnings("rawtypes")
public EntityManagerFactory createContainerEntityManagerFactory(PersistenceUnitInfo pui, Map properties) {
    OpenJPAEntityManagerFactorySPI factory =
        (OpenJPAEntityManagerFactorySPI) _persistenceProvider.createContainerEntityManagerFactory(
                pui, properties);
    factory.getConfiguration().setConnectionFactory(_space);
    return factory;
}
 

import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI; //导入依赖的package包/类
@Before
public final void setUp() throws SQLException, LiquibaseException {
    EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("panifex");
    entityManager = entityManagerFactory.createEntityManager();

    OpenJPAEntityManagerFactorySPI kemf = (OpenJPAEntityManagerFactorySPI) OpenJPAPersistence.cast(entityManagerFactory);
    OpenJPAConfiguration conf = kemf.getConfiguration();
    DataSource dataSource = (DataSource) conf.getConnectionFactory();
    Connection conn = dataSource.getConnection();

    createTables(conn);
    insertTestData(conn);
}
 

import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI; //导入依赖的package包/类
@Override
public Class<? extends EntityManagerFactory> getEntityManagerFactoryInterface() {
	return OpenJPAEntityManagerFactorySPI.class;
}
 

import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI; //导入依赖的package包/类
@Override
public Class<? extends EntityManagerFactory> getEntityManagerFactoryInterface() {
    return OpenJPAEntityManagerFactorySPI.class;
}