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An idiomatic C++ client library for Recommender, a service on Google Cloud that provides usage recommendations and insights for Cloud products and services.
While this library is GA, please note Google Cloud C++ client libraries do not follow Semantic Versioning.
QuickstartThe following shows the code that you'll run in the google/cloud/recommender/quickstart/
directory, which should give you a taste of the Recommender C++ client library API.
#include "google/cloud/recommender/v1/recommender_client.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;
}
namespace recommender = ::google::cloud::recommender_v1;
auto client =
recommender::RecommenderClient(recommender::MakeRecommenderConnection());
// For additional recommenders see:
// https://cloud.google.com/recommender/docs/recommenders#recommenders
auto const parent =
std::string("projects/") + argv[1] + "/locations/" + argv[2] +
"/recommenders/google.compute.instance.MachineTypeRecommender";
for (auto r : client.ListRecommendations(parent)) {
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;
}
Main classes
The main class in this library is recommender_v1::RecommenderClient
. All RPCs are exposed as member functions of this class. Other classes provide helpers, configuration parameters, and infrastructure to mock recommender_v1::RecommenderClient
when testing your application.
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 Recommender C++ Client Library, which is used to interact with Google Cloud's Recommender service and is currently in General Availability (GA)."],["The library does not follow Semantic Versioning, but the latest release candidate is version 2.37.0-rc, while version 2.15.1 is being referenced as an older version with a variety of other documented versions in between."],["The main class for interacting with the Recommender service is `recommender_v1::RecommenderClient`, which exposes all Remote Procedure Calls (RPCs) as member functions."],["The documentation covers key aspects of using the library, such as error handling, overriding the default endpoint and authentication credentials, and modifying retry and backoff policies."],["A quickstart example is included, demonstrating how to use the library to list recommendations, which is a common and likely starting interaction with the API."]]],[]]
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