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Showing content from https://cloud.google.com/cpp/docs/reference/datastream/2.20.0 below:

C++ Client Libraries | Google Cloud

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An idiomatic C++ client library for the Datastream API, a serverless and easy-to-use change data capture (CDC) and replication service. It allows you to synchronize data across heterogeneous databases and applications reliably, and with minimal latency and downtime.

While this library is GA, please note that the Google Cloud C++ client libraries do not follow Semantic Versioning.

The following shows the code that you'll run in the google/cloud/datastream/quickstart/ directory, which should give you a taste of the Datastream API C++ client library API.

#include "google/cloud/datastream/v1/datastream_client.h"
#include "google/cloud/location.h"
#include <iostream>

int main(int argc, char* argv[]) try {
  if (argc != 3) {
    std::cerr << "Usage: " << argv[0] << " project-id location-id\n";
    return 1;
  }

  auto const location = google::cloud::Location(argv[1], argv[2]);

  namespace datastream = ::google::cloud::datastream_v1;
  auto client =
      datastream::DatastreamClient(datastream::MakeDatastreamConnection());

  for (auto s : client.ListStreams(location.FullName())) {
    if (!s) throw std::move(s).status();
    std::cout << s->DebugString() << "\n";
  }

  return 0;
} catch (google::cloud::Status const& status) {
  std::cerr << "google::cloud::Status thrown: " << status << "\n";
  return 1;
}

The main class in this library is datastream_v1::DatastreamClient. All RPCs are exposed as member functions of this class. Other classes provide helpers, configuration parameters, and infrastructure to mock datastream_v1::DatastreamClient when testing your application.

• Error Handling - describes how the library reports errors.
• How to Override the Default Endpoint - describes how to override the default endpoint.
• How to Override the Authentication Credentials - describes how to change the authentication credentials used by the library.
• Override Retry, Backoff, and Idempotency Policies - describes how to change the default retry policies.
• Environment Variables - describes environment variables that can configure the behavior of the library.

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-08-14 UTC.

[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["This webpage provides documentation for the Datastream API C++ Client Library, a tool for synchronizing data across databases and applications with minimal latency."],["The latest release candidate version for this library is 2.37.0-rc, with a list of stable versions available going back to 2.11.0, and the version covered on this page specifically being version 2.20.0."],["The library allows for the reliable synchronization of data via its serverless and easy-to-use change data capture (CDC) and replication service, supporting minimal downtime."],["The primary class in the library is `datastream_v1::DatastreamClient`, which is where all remote procedure calls (RPCs) are exposed, and a basic quickstart example is included for initial usage."],["The library does not follow semantic versioning and also provides documentation on error handling, overriding defaults, and using environment variables for configuration."]]],[]]

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