Examples with TransactionOptions com.google.datastore.v1.TransactionOptions used on opensource projects

Example 11 with TransactionOptions

use of com.google.datastore.v1.TransactionOptions in project grpc-gcp-java by GoogleCloudPlatform.

the class SpannerClientV1TestCases method testPartitionQuery.

void testPartitionQuery() throws InterruptedException {
    System.out.println("\nTestPartitionQuery");
    SpannerClient client = getClient();
    Session session = client.createSession(CreateSessionRequest.newBuilder().setDatabase(database).build());
    TransactionOptions options = TransactionOptions.newBuilder().setReadOnly(TransactionOptions.ReadOnly.getDefaultInstance()).build();
    TransactionSelector selector = TransactionSelector.newBuilder().setBegin(options).build();
    PartitionQueryRequest request = PartitionQueryRequest.newBuilder().setSession(session.getName()).setSql("select * FROM " + LARGE_TABLE).setTransaction(selector).build();
    RpcCall<PartitionQueryRequest, PartitionResponse> rpcCall = (PartitionQueryRequest req) -> client.partitionQuery(req);
    doTestBlocking(request, rpcCall);
    cleanUpClient(client, session.getName());
}

Example 12 with TransactionOptions

use of com.google.datastore.v1.TransactionOptions in project grpc-gcp-java by GoogleCloudPlatform.

the class SpannerTestCases method testPartitionQueryAsync.

void testPartitionQueryAsync() throws InterruptedException {
    System.out.println("\nTestPartitionQueryAsync");
    ManagedChannel channel = getChannel();
    SpannerStub stub = getStub(channel);
    AsyncResponseObserver<Session> sessionObs = new AsyncResponseObserver<>();
    stub.createSession(CreateSessionRequest.newBuilder().setDatabase(database).build(), sessionObs);
    TransactionOptions options = TransactionOptions.newBuilder().setReadOnly(TransactionOptions.ReadOnly.getDefaultInstance()).build();
    TransactionSelector selector = TransactionSelector.newBuilder().setBegin(options).build();
    PartitionQueryRequest request = PartitionQueryRequest.newBuilder().setSession(sessionObs.get().getName()).setSql("select * FROM " + LARGE_TABLE).setTransaction(selector).build();
    AsyncCall<PartitionQueryRequest, PartitionResponse> asyncCall = (PartitionQueryRequest req, AsyncResponseObserver<PartitionResponse> resp) -> stub.partitionQuery(req, resp);
    doTestAsync(channel, request, asyncCall);
    deleteAndCloseAsync(stub, channel, sessionObs.get().getName());
}

Example 13 with TransactionOptions

use of com.google.datastore.v1.TransactionOptions in project java-datastore by googleapis.

the class ITDatastoreTest method testRunInTransactionWithReadWriteOption.

@Test
public void testRunInTransactionWithReadWriteOption() {
    EasyMock.expect(rpcMock.beginTransaction(EasyMock.anyObject(BeginTransactionRequest.class))).andReturn(BeginTransactionResponse.getDefaultInstance());
    EasyMock.expect(rpcMock.rollback(EasyMock.anyObject(RollbackRequest.class))).andReturn(RollbackResponse.getDefaultInstance()).once();
    EasyMock.expect(rpcMock.beginTransaction(EasyMock.anyObject(BeginTransactionRequest.class))).andReturn(BeginTransactionResponse.getDefaultInstance());
    EasyMock.expect(rpcMock.commit(EasyMock.anyObject(CommitRequest.class))).andReturn(CommitResponse.newBuilder().build());
    EasyMock.replay(rpcFactoryMock, rpcMock);
    Datastore mockDatastore = rpcMockOptions.getService();
    Datastore.TransactionCallable<Integer> callable = new Datastore.TransactionCallable<Integer>() {

        private Integer attempts = 1;

        @Override
        public Integer run(DatastoreReaderWriter transaction) {
            if (attempts < 2) {
                ++attempts;
                throw new DatastoreException(10, "", "ABORTED", false, null);
            }
            return attempts;
        }
    };
    TransactionOptions options = TransactionOptions.newBuilder().setReadWrite(TransactionOptions.ReadWrite.getDefaultInstance()).build();
    Integer result = mockDatastore.runInTransaction(callable, options);
    EasyMock.verify(rpcFactoryMock, rpcMock);
    assertEquals(2, result.intValue());
}

Example 14 with TransactionOptions

use of com.google.datastore.v1.TransactionOptions in project java-spanner by googleapis.

the class SpannerClientTest method commitExceptionTest2.

@Test
public void commitExceptionTest2() throws Exception {
    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
    mockSpanner.addException(exception);
    try {
        SessionName session = SessionName.of("[PROJECT]", "[INSTANCE]", "[DATABASE]", "[SESSION]");
        TransactionOptions singleUseTransaction = TransactionOptions.newBuilder().build();
        List<Mutation> mutations = new ArrayList<>();
        client.commit(session, singleUseTransaction, mutations);
        Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
    // Expected exception.
    }
}

Example 15 with TransactionOptions

use of com.google.datastore.v1.TransactionOptions in project java-spanner by googleapis.

the class SpannerClientTest method beginTransactionExceptionTest.

@Test
public void beginTransactionExceptionTest() throws Exception {
    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
    mockSpanner.addException(exception);
    try {
        SessionName session = SessionName.of("[PROJECT]", "[INSTANCE]", "[DATABASE]", "[SESSION]");
        TransactionOptions options = TransactionOptions.newBuilder().build();
        client.beginTransaction(session, options);
        Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
    // Expected exception.
    }
}