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Showing content from https://cloud.google.com/cpp/docs/reference/run/2.34.0/run_v2_1_1ExecutionsClient-retry-snippet below:

C++ Client Libraries | Google Cloud

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Override run_v2::ExecutionsClient Retry Policies

This shows how to override the retry policies for run_v2::ExecutionsClient:

  auto options =
      google::cloud::Options{}
          .set<google::cloud::run_v2::
                   ExecutionsConnectionIdempotencyPolicyOption>(
              CustomIdempotencyPolicy().clone())
          .set<google::cloud::run_v2::ExecutionsRetryPolicyOption>(
              google::cloud::run_v2::ExecutionsLimitedErrorCountRetryPolicy(3)
                  .clone())
          .set<google::cloud::run_v2::ExecutionsBackoffPolicyOption>(
              google::cloud::ExponentialBackoffPolicy(
                  /*initial_delay=*/std::chrono::milliseconds(200),
                  /*maximum_delay=*/std::chrono::seconds(45),
                  /*scaling=*/2.0)
                  .clone());
  auto connection = google::cloud::run_v2::MakeExecutionsConnection(options);

  // c1 and c2 share the same retry policies
  auto c1 = google::cloud::run_v2::ExecutionsClient(connection);
  auto c2 = google::cloud::run_v2::ExecutionsClient(connection);

  // You can override any of the policies in a new client. This new client
  // will share the policies from c1 (or c2) *except* for the retry policy.
  auto c3 = google::cloud::run_v2::ExecutionsClient(
      connection,
      google::cloud::Options{}
          .set<google::cloud::run_v2::ExecutionsRetryPolicyOption>(
              google::cloud::run_v2::ExecutionsLimitedTimeRetryPolicy(
                  std::chrono::minutes(5))
                  .clone()));

  // You can also override the policies in a single call:
  // c3.SomeRpc(..., google::cloud::Options{}
  //     .set<google::cloud::run_v2::ExecutionsRetryPolicyOption>(
  //       google::cloud::run_v2::ExecutionsLimitedErrorCountRetryPolicy(10).clone()));

Assuming you have created a custom idempotency policy. Such as:

class CustomIdempotencyPolicy
    : public google::cloud::run_v2::ExecutionsConnectionIdempotencyPolicy {
 public:
  ~CustomIdempotencyPolicy() override = default;
  std::unique_ptr<google::cloud::run_v2::ExecutionsConnectionIdempotencyPolicy>
  clone() const override {
    return std::make_unique<CustomIdempotencyPolicy>(*this);
  }
  // Override inherited functions to define as needed.
};

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 document details how to override retry policies for `run_v2::ExecutionsClient`, enabling customization of error handling."],["You can set custom retry policies, idempotency policies, and backoff policies when creating a `run_v2::ExecutionsClient` connection using `google::cloud::Options`."],["New clients can inherit and selectively override policies from existing clients, such as keeping the same policies except for the retry policy."],["Policies can be overridden for individual RPC calls, allowing for dynamic adjustments to error handling on a per-request basis."],["The document showcases multiple versions of the `run_v2::ExecutionsClient`, ranging from version 2.11.0 up to the latest release candidate 2.37.0-rc, demonstrating the history of the implementation."]]],[]]


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