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Retail API C++ Client Library

This directory contains an idiomatic C++ client library for the Retail API; Cloud Retail service enables customers to build end-to-end personalized recommendation systems without requiring a high level of expertise in machine learning, recommendation system, or Google Cloud.

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

Quickstart

The quickstart/ directory contains a minimal environment to get started using this client library in a larger project. The following "Hello World" program is used in this quickstart, and should give you a taste of this library.

For detailed instructions on how to build and install this library, see the top-level README.

#include "google/cloud/retail/catalog_client.h"
#include <iostream>

int main(int argc, char* argv[]) try {
  if (argc != 2) {
    std::cerr << "Usage: " << argv[0] << " project-id\n";
    return 1;
  }

  namespace retail = ::google::cloud::retail;
  auto client =
      retail::CatalogServiceClient(retail::MakeCatalogServiceConnection());

  // The service only accepts "global" as the location for ListCatalogs()
  auto const location =
      "projects/" + std::string(argv[1]) + "/locations/global";
  for (auto r : client.ListCatalogs(location)) {
    if (!r) throw std::move(r).status();
    std::cout << r->DebugString() << "\n";
  }

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

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