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代码示例

Go

如需向 Pub/Sub Lite 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

import (
	"context"
	"fmt"
	"io"

	"cloud.google.com/go/pubsublite"
)

func deleteReservation(w io.Writer, projectID, region, reservationID string) error {
	// projectID := "my-project-id"
	// region := "us-central1"
	// reservationID := "my-reservation"
	ctx := context.Background()
	client, err := pubsublite.NewAdminClient(ctx, region)
	if err != nil {
		return fmt.Errorf("pubsublite.NewAdminClient: %w", err)
	}
	defer client.Close()

	reservationPath := fmt.Sprintf("projects/%s/locations/%s/reservations/%s", projectID, region, reservationID)
	err = client.DeleteReservation(ctx, reservationPath)
	if err != nil {
		return fmt.Errorf("client.DeleteReservation got err: %w", err)
	}
	fmt.Fprint(w, "Deleted reservation")
	return nil
}

Java

如需向 Pub/Sub Lite 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

import com.google.api.gax.rpc.NotFoundException;
import com.google.cloud.pubsublite.AdminClient;
import com.google.cloud.pubsublite.AdminClientSettings;
import com.google.cloud.pubsublite.CloudRegion;
import com.google.cloud.pubsublite.ProjectNumber;
import com.google.cloud.pubsublite.ReservationName;
import com.google.cloud.pubsublite.ReservationPath;
import java.util.concurrent.ExecutionException;

public class DeleteReservationExample {
  public static void main(String... args) throws Exception {
    // TODO(developer): Replace these variables before running the sample.
    long projectNumber = Long.parseLong("123456789");
    String cloudRegion = "your-cloud-region";
    String reservationId = "your-reservation-id";

    deleteReservationExample(projectNumber, cloudRegion, reservationId);
  }

  public static void deleteReservationExample(
      long projectNumber, String cloudRegion, String reservationId) throws Exception {

    ReservationPath reservationPath =
        ReservationPath.newBuilder()
            .setProject(ProjectNumber.of(projectNumber))
            .setLocation(CloudRegion.of(cloudRegion))
            .setName(ReservationName.of(reservationId))
            .build();

    AdminClientSettings adminClientSettings =
        AdminClientSettings.newBuilder().setRegion(CloudRegion.of(cloudRegion)).build();

    // If a reservation has topics attached, you must delete the topics before deleting
    // the reservation.
    try (AdminClient adminClient = AdminClient.create(adminClientSettings)) {
      adminClient.deleteReservation(reservationPath).get();
      System.out.println(reservationPath + " deleted successfully.");
    } catch (ExecutionException e) {
      try {
        throw e.getCause();
      } catch (NotFoundException notFound) {
        System.out.println("This reservation is not found.");
      } catch (Throwable throwable) {
        throwable.printStackTrace();
      }
    }
  }
}

Python

如需向 Pub/Sub Lite 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

from google.api_core.exceptions import NotFound
from google.cloud.pubsublite import AdminClient
from google.cloud.pubsublite.types import CloudRegion, ReservationPath

# TODO(developer):
# project_number = 1122334455
# cloud_region = "us-central1"
# reservation_id = "your-reservation-id"

cloud_region = CloudRegion(cloud_region)
reservation_path = ReservationPath(project_number, cloud_region, reservation_id)

client = AdminClient(cloud_region)
try:
    client.delete_reservation(reservation_path)
    print(f"{reservation_path} deleted successfully.")
except NotFound:
    print(f"{reservation_path} not found.")

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。