Examples with TransactionContextImpl com.google.cloud.spanner.TransactionRunnerImpl.TransactionContextImpl used on opensource projects

Example 6 with TransactionContextImpl

use of com.google.cloud.spanner.TransactionRunnerImpl.TransactionContextImpl in project java-spanner by googleapis.

the class TransactionContextImplTest method testCannotBufferIterableAsyncAfterCommit.

@Test
public void testCannotBufferIterableAsyncAfterCommit() {
    try (TransactionContextImpl context = createContext()) {
        context.commit();
        assertThrows(IllegalStateException.class, () -> context.bufferAsync(Collections.singleton(Mutation.delete("test", KeySet.all()))));
    }
}

Example 7 with TransactionContextImpl

use of com.google.cloud.spanner.TransactionRunnerImpl.TransactionContextImpl in project java-spanner by googleapis.

the class AsyncTransactionManagerTest method asyncTransactionManager_shouldRollbackOnCloseAsync.

@Test
public void asyncTransactionManager_shouldRollbackOnCloseAsync() throws Exception {
    AsyncTransactionManager manager = client().transactionManagerAsync();
    TransactionContext txn = manager.beginAsync().get();
    txn.executeUpdateAsync(UPDATE_STATEMENT).get();
    final TransactionSelector selector = ((TransactionContextImpl) ((SessionPoolTransactionContext) txn).delegate).getTransactionSelector();
    SpannerApiFutures.get(manager.closeAsync());
    // The mock server should already have the Rollback request, as we are waiting for the returned
    // ApiFuture to be done.
    mockSpanner.waitForRequestsToContain(input -> {
        if (input instanceof RollbackRequest) {
            RollbackRequest request = (RollbackRequest) input;
            return request.getTransactionId().equals(selector.getId());
        }
        return false;
    }, 0L);
}

Example 8 with TransactionContextImpl

use of com.google.cloud.spanner.TransactionRunnerImpl.TransactionContextImpl in project java-spanner by googleapis.

the class MockSpannerServiceImpl method abortTransaction.

/**
 * Instruct the mock server to abort the specified transaction. Use this method to test handling
 * of {@link AbortedException} in your code.
 */
public void abortTransaction(TransactionContext transactionContext) {
    Preconditions.checkNotNull(transactionContext);
    if (transactionContext instanceof SessionPoolTransactionContext) {
        transactionContext = ((SessionPoolTransactionContext) transactionContext).delegate;
    }
    if (transactionContext instanceof TransactionContextImpl) {
        TransactionContextImpl impl = (TransactionContextImpl) transactionContext;
        ByteString id = impl.getTransactionSelector() == null ? null : impl.getTransactionSelector().getId();
        if (id != null) {
            markAbortedTransaction(id);
        }
    } else {
        throw new IllegalArgumentException("Unsupported TransactionContext type: " + transactionContext.getClass().getName());
    }
}

Example 9 with TransactionContextImpl

use of com.google.cloud.spanner.TransactionRunnerImpl.TransactionContextImpl in project java-spanner by googleapis.

the class SessionPoolTest method testSessionNotFoundReadWriteTransaction.

@SuppressWarnings("unchecked")
@Test
public void testSessionNotFoundReadWriteTransaction() {
    final Statement queryStatement = Statement.of("SELECT 1");
    final Statement updateStatement = Statement.of("UPDATE FOO SET BAR=1 WHERE ID=2");
    final SpannerException sessionNotFound = SpannerExceptionFactoryTest.newSessionNotFoundException(sessionName);
    for (ReadWriteTransactionTestStatementType statementType : ReadWriteTransactionTestStatementType.values()) {
        final ReadWriteTransactionTestStatementType executeStatementType = statementType;
        SpannerRpc.StreamingCall closedStreamingCall = mock(SpannerRpc.StreamingCall.class);
        doThrow(sessionNotFound).when(closedStreamingCall).request(Mockito.anyInt());
        SpannerRpc rpc = mock(SpannerRpc.class);
        when(rpc.asyncDeleteSession(Mockito.anyString(), Mockito.anyMap())).thenReturn(ApiFutures.immediateFuture(Empty.getDefaultInstance()));
        when(rpc.executeQuery(any(ExecuteSqlRequest.class), any(ResultStreamConsumer.class), any(Map.class))).thenReturn(closedStreamingCall);
        when(rpc.executeQuery(any(ExecuteSqlRequest.class), any(Map.class))).thenThrow(sessionNotFound);
        when(rpc.executeBatchDml(any(ExecuteBatchDmlRequest.class), any(Map.class))).thenThrow(sessionNotFound);
        when(rpc.commitAsync(any(CommitRequest.class), any(Map.class))).thenReturn(ApiFutures.<CommitResponse>immediateFailedFuture(sessionNotFound));
        when(rpc.rollbackAsync(any(RollbackRequest.class), any(Map.class))).thenReturn(ApiFutures.<Empty>immediateFailedFuture(sessionNotFound));
        final SessionImpl closedSession = mock(SessionImpl.class);
        when(closedSession.getName()).thenReturn("projects/dummy/instances/dummy/database/dummy/sessions/session-closed");
        final TransactionContextImpl closedTransactionContext = TransactionContextImpl.newBuilder().setSession(closedSession).setOptions(Options.fromTransactionOptions()).setRpc(rpc).build();
        when(closedSession.asyncClose()).thenReturn(ApiFutures.immediateFuture(Empty.getDefaultInstance()));
        when(closedSession.newTransaction(Options.fromTransactionOptions())).thenReturn(closedTransactionContext);
        when(closedSession.beginTransactionAsync()).thenThrow(sessionNotFound);
        TransactionRunnerImpl closedTransactionRunner = new TransactionRunnerImpl(closedSession);
        closedTransactionRunner.setSpan(mock(Span.class));
        when(closedSession.readWriteTransaction()).thenReturn(closedTransactionRunner);
        final SessionImpl openSession = mock(SessionImpl.class);
        when(openSession.asyncClose()).thenReturn(ApiFutures.immediateFuture(Empty.getDefaultInstance()));
        when(openSession.getName()).thenReturn("projects/dummy/instances/dummy/database/dummy/sessions/session-open");
        final TransactionContextImpl openTransactionContext = mock(TransactionContextImpl.class);
        when(openSession.newTransaction(Options.fromTransactionOptions())).thenReturn(openTransactionContext);
        when(openSession.beginTransactionAsync()).thenReturn(ApiFutures.immediateFuture(ByteString.copyFromUtf8("open-txn")));
        TransactionRunnerImpl openTransactionRunner = new TransactionRunnerImpl(openSession);
        openTransactionRunner.setSpan(mock(Span.class));
        when(openSession.readWriteTransaction()).thenReturn(openTransactionRunner);
        ResultSet openResultSet = mock(ResultSet.class);
        when(openResultSet.next()).thenReturn(true, false);
        ResultSet planResultSet = mock(ResultSet.class);
        when(planResultSet.getStats()).thenReturn(ResultSetStats.getDefaultInstance());
        when(openTransactionContext.executeQuery(queryStatement)).thenReturn(openResultSet);
        when(openTransactionContext.analyzeQuery(queryStatement, QueryAnalyzeMode.PLAN)).thenReturn(planResultSet);
        when(openTransactionContext.executeUpdate(updateStatement)).thenReturn(1L);
        when(openTransactionContext.batchUpdate(Arrays.asList(updateStatement, updateStatement))).thenReturn(new long[] { 1L, 1L });
        SpannerImpl spanner = mock(SpannerImpl.class);
        SessionClient sessionClient = mock(SessionClient.class);
        when(spanner.getSessionClient(db)).thenReturn(sessionClient);
        doAnswer(invocation -> {
            executor.submit(() -> {
                SessionConsumerImpl consumer = invocation.getArgument(2, SessionConsumerImpl.class);
                consumer.onSessionReady(closedSession);
            });
            return null;
        }).doAnswer(invocation -> {
            executor.submit(() -> {
                SessionConsumerImpl consumer = invocation.getArgument(2, SessionConsumerImpl.class);
                consumer.onSessionReady(openSession);
            });
            return null;
        }).when(sessionClient).asyncBatchCreateSessions(Mockito.eq(1), Mockito.anyBoolean(), any(SessionConsumer.class));
        SessionPoolOptions options = SessionPoolOptions.newBuilder().setMinSessions(// The pool should not auto-create any sessions
        0).setMaxSessions(2).setIncStep(1).setBlockIfPoolExhausted().build();
        SpannerOptions spannerOptions = mock(SpannerOptions.class);
        when(spannerOptions.getSessionPoolOptions()).thenReturn(options);
        when(spannerOptions.getNumChannels()).thenReturn(4);
        when(spanner.getOptions()).thenReturn(spannerOptions);
        SessionPool pool = SessionPool.createPool(options, new TestExecutorFactory(), spanner.getSessionClient(db));
        try (PooledSessionFuture readWriteSession = pool.getSession()) {
            TransactionRunner runner = readWriteSession.readWriteTransaction();
            try {
                runner.run(new TransactionCallable<Integer>() {

                    private int callNumber = 0;

                    @Override
                    public Integer run(TransactionContext transaction) {
                        callNumber++;
                        if (callNumber == 1) {
                            assertThat(transaction).isEqualTo(closedTransactionContext);
                        } else {
                            assertThat(transaction).isEqualTo(openTransactionContext);
                        }
                        switch(executeStatementType) {
                            case QUERY:
                                ResultSet resultSet = transaction.executeQuery(queryStatement);
                                assertThat(resultSet.next()).isTrue();
                                break;
                            case ANALYZE:
                                ResultSet planResultSet = transaction.analyzeQuery(queryStatement, QueryAnalyzeMode.PLAN);
                                assertThat(planResultSet.next()).isFalse();
                                assertThat(planResultSet.getStats()).isNotNull();
                                break;
                            case UPDATE:
                                long updateCount = transaction.executeUpdate(updateStatement);
                                assertThat(updateCount).isEqualTo(1L);
                                break;
                            case BATCH_UPDATE:
                                long[] updateCounts = transaction.batchUpdate(Arrays.asList(updateStatement, updateStatement));
                                assertThat(updateCounts).isEqualTo(new long[] { 1L, 1L });
                                break;
                            case WRITE:
                                transaction.buffer(Mutation.delete("FOO", Key.of(1L)));
                                break;
                            case EXCEPTION:
                                throw new RuntimeException("rollback at call " + callNumber);
                            default:
                                fail("Unknown statement type: " + executeStatementType);
                        }
                        return callNumber;
                    }
                });
            } catch (Exception e) {
                // The rollback will also cause a SessionNotFoundException, but this is caught, logged
                // and further ignored by the library, meaning that the session will not be re-created
                // for retry. Hence rollback at call 1.
                assertThat(executeStatementType).isEqualTo(ReadWriteTransactionTestStatementType.EXCEPTION);
                assertThat(e.getMessage()).contains("rollback at call 1");
            }
        }
        pool.closeAsync(new SpannerImpl.ClosedException());
    }
}

Example 10 with TransactionContextImpl

use of com.google.cloud.spanner.TransactionRunnerImpl.TransactionContextImpl in project java-spanner by googleapis.

the class TransactionContextImplTest method testCannotBufferAfterCommit.

@Test
public void testCannotBufferAfterCommit() {
    try (TransactionContextImpl context = createContext()) {
        context.commit();
        assertThrows(IllegalStateException.class, () -> context.buffer(Mutation.delete("test", KeySet.all())));
    }
}