org.apache.openjpa.persistence.OpenJPAEntityManager Java Examples

@Override
public Object beginTransaction(EntityManager entityManager, TransactionDefinition definition)
		throws PersistenceException, SQLException, TransactionException {

	OpenJPAEntityManager openJpaEntityManager = getOpenJPAEntityManager(entityManager);

	if (definition.getIsolationLevel() != TransactionDefinition.ISOLATION_DEFAULT) {
		// Pass custom isolation level on to OpenJPA's JDBCFetchPlan configuration
		FetchPlan fetchPlan = openJpaEntityManager.getFetchPlan();
		if (fetchPlan instanceof JDBCFetchPlan) {
			IsolationLevel isolation = IsolationLevel.fromConnectionConstant(definition.getIsolationLevel());
			((JDBCFetchPlan) fetchPlan).setIsolation(isolation);
		}
	}

	entityManager.getTransaction().begin();

	if (!definition.isReadOnly()) {
		// Like with EclipseLink, make sure to start the logic transaction early so that other
		// participants using the connection (such as JdbcTemplate) run in a transaction.
		openJpaEntityManager.beginStore();
	}

	// Custom implementation for OpenJPA savepoint handling
	return new OpenJpaTransactionData(openJpaEntityManager);
}
 

@Override
public Object beginTransaction(EntityManager entityManager, TransactionDefinition definition)
		throws PersistenceException, SQLException, TransactionException {

	OpenJPAEntityManager openJpaEntityManager = getOpenJPAEntityManager(entityManager);

	if (definition.getIsolationLevel() != TransactionDefinition.ISOLATION_DEFAULT) {
		// Pass custom isolation level on to OpenJPA's JDBCFetchPlan configuration
		FetchPlan fetchPlan = openJpaEntityManager.getFetchPlan();
		if (fetchPlan instanceof JDBCFetchPlan) {
			IsolationLevel isolation = IsolationLevel.fromConnectionConstant(definition.getIsolationLevel());
			((JDBCFetchPlan) fetchPlan).setIsolation(isolation);
		}
	}

	entityManager.getTransaction().begin();

	if (!definition.isReadOnly()) {
		// Like with EclipseLink, make sure to start the logic transaction early so that other
		// participants using the connection (such as JdbcTemplate) run in a transaction.
		openJpaEntityManager.beginStore();
	}

	// Custom implementation for OpenJPA savepoint handling
	return new OpenJpaTransactionData(openJpaEntityManager);
}
 

@Override
public Object beginTransaction(final EntityManager entityManager, final TransactionDefinition definition)
        throws PersistenceException, SQLException, TransactionException {

    OpenJPAEntityManager openJpaEntityManager = getOpenJPAEntityManager(entityManager);

    if (definition.getIsolationLevel() != TransactionDefinition.ISOLATION_DEFAULT) {
        // Pass custom isolation level on to OpenJPA's JDBCFetchPlan configuration
        FetchPlan fetchPlan = openJpaEntityManager.getFetchPlan();
        if (fetchPlan instanceof JDBCFetchPlan) {
            IsolationLevel isolation = IsolationLevel.fromConnectionConstant(definition.getIsolationLevel());
            ((JDBCFetchPlan) fetchPlan).setIsolation(isolation);
        }
    }

    entityManager.getTransaction().begin();

    if (!definition.isReadOnly()) {
        // Like with EclipseLink, make sure to start the logic transaction early so that other
        // participants using the connection (such as JdbcTemplate) run in a transaction.
        openJpaEntityManager.beginStore();
    }

    // Custom implementation for OpenJPA savepoint handling
    return new OpenJpaTransactionData(openJpaEntityManager);
}
 

public static <T> List<T> fillLazy(EntityManager em, Function<OpenJPAEntityManager, TypedQuery<T>> func, String...groups) {
	OpenJPAEntityManager oem = OpenJPAPersistence.cast(em);
	boolean qrce = oem.getFetchPlan().getQueryResultCacheEnabled();
	try {
		oem.getFetchPlan().setQueryResultCacheEnabled(false); //update in cache during update
		TypedQuery<T> q = func.apply(oem);
		@SuppressWarnings("unchecked")
		OpenJPAQuery<T> kq = OpenJPAPersistence.cast(q);
		kq.getFetchPlan().addFetchGroups(groups);
		return kq.getResultList();
	} finally {
		oem.getFetchPlan().setQueryResultCacheEnabled(qrce);
	}
}
 

public OpenJpaTransactionData(OpenJPAEntityManager entityManager) {
	this.entityManager = entityManager;
}
 

public OpenJpaConnectionHandle(OpenJPAEntityManager entityManager) {
	this.entityManager = entityManager;
}
 

public OpenJpaTransactionData(OpenJPAEntityManager entityManager) {
	this.entityManager = entityManager;
}
 

public OpenJpaConnectionHandle(OpenJPAEntityManager entityManager) {
	this.entityManager = entityManager;
}
 

public void testCanCastSharedEntityManagerProxyToOpenJpaEntityManager() {
	assertTrue("native EM expected", sharedEntityManager instanceof OpenJPAEntityManager);
}
 

public void testCanGetSharedOpenJpaEntityManagerProxy() {
	OpenJPAEntityManager openJPAEntityManager = (OpenJPAEntityManager) SharedEntityManagerCreator.createSharedEntityManager(
			entityManagerFactory, null, OpenJPAEntityManager.class);
	assertNotNull(openJPAEntityManager.getDelegate());
}
 

OpenJpaTransactionData(final OpenJPAEntityManager entityManager) {
    this.entityManager = entityManager;
}
 

OpenJpaConnectionHandle(final OpenJPAEntityManager entityManager) {
    this.entityManager = entityManager;
}
 

/**
 * Return the OpenJPA-specific variant of {@code EntityManager}.
 * @param em the generic {@code EntityManager} instance
 * @return the OpenJPA-specific variant of {@code EntityManager}
 */
protected OpenJPAEntityManager getOpenJPAEntityManager(EntityManager em) {
	return OpenJPAPersistence.cast(em);
}
 

/**
 * Return the OpenJPA-specific variant of {@code EntityManager}.
 * @param em the generic {@code EntityManager} instance
 * @return the OpenJPA-specific variant of {@code EntityManager}
 */
protected OpenJPAEntityManager getOpenJPAEntityManager(EntityManager em) {
	return OpenJPAPersistence.cast(em);
}
 

/**
 * Return the OpenJPA-specific variant of {@code EntityManager}.
 *
 * @param em the generic {@code EntityManager} instance
 * @return the OpenJPA-specific variant of {@code EntityManager}
 */
protected static OpenJPAEntityManager getOpenJPAEntityManager(final EntityManager em) {
    return OpenJPAPersistence.cast(em);
}