@Override @Nullable public Object beginTransaction(EntityManager entityManager, TransactionDefinition definition) throws PersistenceException, SQLException, TransactionException { if (definition.getIsolationLevel() != TransactionDefinition.ISOLATION_DEFAULT) { // Pass custom isolation level on to EclipseLink's DatabaseLogin configuration // (since Spring 4.1.2) UnitOfWork uow = entityManager.unwrap(UnitOfWork.class); uow.getLogin().setTransactionIsolation(definition.getIsolationLevel()); } entityManager.getTransaction().begin(); if (!definition.isReadOnly() && !this.lazyDatabaseTransaction) { // Begin an early transaction to force EclipseLink to get a JDBC Connection // so that Spring can manage transactions with JDBC as well as EclipseLink. entityManager.unwrap(UnitOfWork.class).beginEarlyTransaction(); } return null; }
@Override @Nullable public Object beginTransaction(EntityManager entityManager, TransactionDefinition definition) throws PersistenceException, SQLException, TransactionException { if (definition.getIsolationLevel() != TransactionDefinition.ISOLATION_DEFAULT) { // Pass custom isolation level on to EclipseLink's DatabaseLogin configuration // (since Spring 4.1.2) UnitOfWork uow = entityManager.unwrap(UnitOfWork.class); uow.getLogin().setTransactionIsolation(definition.getIsolationLevel()); } entityManager.getTransaction().begin(); if (!definition.isReadOnly() && !this.lazyDatabaseTransaction) { // Begin an early transaction to force EclipseLink to get a JDBC Connection // so that Spring can manage transactions with JDBC as well as EclipseLink. entityManager.unwrap(UnitOfWork.class).beginEarlyTransaction(); } return null; }
entityManager.getTransaction().begin(); UnitOfWork unitOfWork = (UnitOfWork)((JpaEntityManager)entityManager.getDelegate()).getActiveSession(); unitOfWork.beginEarlyTransaction(); Accessor accessor = unitOfWork.getAccessor(); accessor.incrementCallCount(unitOfWork.getParent()); accessor.decrementCallCount(); java.sql.Connection connection = accessor.getConnection(); ... entityManager.getTransaction().commit();
@Override @Nullable public Object beginTransaction(EntityManager entityManager, TransactionDefinition definition) throws PersistenceException, SQLException, TransactionException { if (definition.getIsolationLevel() != TransactionDefinition.ISOLATION_DEFAULT) { // Pass custom isolation level on to EclipseLink's DatabaseLogin configuration // (since Spring 4.1.2) UnitOfWork uow = entityManager.unwrap(UnitOfWork.class); uow.getLogin().setTransactionIsolation(definition.getIsolationLevel()); } entityManager.getTransaction().begin(); if (!definition.isReadOnly() && !this.lazyDatabaseTransaction) { // Begin an early transaction to force EclipseLink to get a JDBC Connection // so that Spring can manage transactions with JDBC as well as EclipseLink. entityManager.unwrap(UnitOfWork.class).beginEarlyTransaction(); } return null; }