Examples with Transaction com.google.spanner.v1.Transaction used on opensource projects

Example 11 with Transaction

use of com.google.spanner.v1.Transaction in project neo4j by neo4j.

the class BoltCausalClusteringIT method executeReadQuery.

private void executeReadQuery(String bookmark, Session session) {
    try (Transaction tx = session.beginTransaction(bookmark)) {
        Record record = tx.run("MATCH (n:Person) RETURN COUNT(*) AS count").next();
        assertEquals(1, record.get("count").asInt());
    }
}

Example 12 with Transaction

use of com.google.spanner.v1.Transaction in project google-cloud-java by GoogleCloudPlatform.

the class SessionImplTest method multiUseReadOnlyTransactionReturnsMissingTransactionId.

@Test
public void multiUseReadOnlyTransactionReturnsMissingTransactionId() throws ParseException {
    com.google.protobuf.Timestamp t = Timestamps.parse("2015-10-01T10:54:20.021Z");
    Transaction txnMetadata = Transaction.newBuilder().setReadTimestamp(t).build();
    PartialResultSet resultSet = PartialResultSet.newBuilder().setMetadata(newMetadata(Type.struct(Type.StructField.of("C", Type.string())))).build();
    Mockito.when(rpc.beginTransaction(Mockito.<BeginTransactionRequest>any(), Mockito.eq(options))).thenReturn(txnMetadata);
    mockRead(resultSet);
    ReadOnlyTransaction txn = session.readOnlyTransaction(TimestampBound.strong());
    expectedException.expect(SpannerMatchers.isSpannerException(ErrorCode.INTERNAL));
    txn.readRow("Dummy", Key.of(), Arrays.asList("C"));
}

Example 13 with Transaction

use of com.google.spanner.v1.Transaction in project google-cloud-java by GoogleCloudPlatform.

the class SessionImplTest method multiUseReadOnlyTransactionReturnsMissingTimestamp.

@Test
public void multiUseReadOnlyTransactionReturnsMissingTimestamp() {
    Transaction txnMetadata = Transaction.newBuilder().setId(ByteString.copyFromUtf8("x")).build();
    PartialResultSet resultSet = PartialResultSet.newBuilder().setMetadata(newMetadata(Type.struct(Type.StructField.of("C", Type.string())))).build();
    Mockito.when(rpc.beginTransaction(Mockito.<BeginTransactionRequest>any(), Mockito.eq(options))).thenReturn(txnMetadata);
    mockRead(resultSet);
    ReadOnlyTransaction txn = session.readOnlyTransaction(TimestampBound.strong());
    expectedException.expect(SpannerMatchers.isSpannerException(ErrorCode.INTERNAL));
    txn.readRow("Dummy", Key.of(), Arrays.asList("C"));
}

Example 14 with Transaction

use of com.google.spanner.v1.Transaction in project algorithms-sedgewick-wayne by reneargento.

the class Exercise22_TransactionSortTest method main.

public static void main(String[] args) {
    String transactionFilePath = args[0];
    Transaction[] transactions = readAllTransactions(transactionFilePath);
    Arrays.sort(transactions);
    for (Transaction transaction : transactions) {
        StdOut.println(transaction);
    }
}

Example 15 with Transaction

use of com.google.spanner.v1.Transaction in project algorithms-sedgewick-wayne by reneargento.

the class Exercise22_TransactionSortTest method readAllTransactions.

public static Transaction[] readAllTransactions(String fileName) {
    In in = new In(fileName);
    Queue<Transaction> queue = new Queue<>();
    while (!in.isEmpty()) {
        queue.enqueue(new Transaction(in.readLine()));
    }
    int queueSize = queue.size();
    Transaction[] transactions = new Transaction[queueSize];
    for (int i = 0; i < queueSize; i++) {
        transactions[i] = queue.dequeue();
    }
    return transactions;
}