使用 AWS 开发工具包的 EventBridge Scheduler 代码示例 - AWS SDK 代码示例

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使用 AWS 开发工具包的 EventBridge Scheduler 代码示例

以下代码示例演示如何将 Amazon EventBridge 调度器与 AWS 软件开发工具包(SDK)结合使用。

操作是大型程序的代码摘录,必须在上下文中运行。您可以通过操作了解如何调用单个服务函数,还可以通过函数相关场景的上下文查看操作。

场景是向您展示如何通过在一个服务中调用多个函数或与其他 AWS 服务 服务结合来完成特定任务的代码示例。

更多资源

开始使用

以下代码示例演示如何开始使用 EventBridge 调度器。

.NET
适用于 .NET 的 SDK
注意

查看 GitHub,了解更多信息。在 AWS 代码示例存储库中查找完整示例,了解如何进行设置和运行。

public static class HelloScheduler { static async Task Main(string[] args) { // Use the AWS .NET Core Setup package to set up dependency injection for the EventBridge Scheduler service. // Use your AWS profile name, or leave it blank to use the default profile. using var host = Host.CreateDefaultBuilder(args) .ConfigureServices((_, services) => services.AddAWSService<IAmazonScheduler>() ).Build(); // Now the client is available for injection. var schedulerClient = host.Services.GetRequiredService<IAmazonScheduler>(); // You can use await and any of the async methods to get a response, or a paginator to list schedules or groups. var results = new List<ScheduleSummary>(); var paginateSchedules = schedulerClient.Paginators.ListSchedules( new ListSchedulesRequest()); Console.WriteLine( $"Hello AWS Scheduler! Let's list schedules in your account."); // Get the entire list using the paginator. await foreach (var schedule in paginateSchedules.Schedules) { results.Add(schedule); } Console.WriteLine($"\tTotal of {results.Count} schedule(s) available."); results.ForEach(s => Console.WriteLine($"\tSchedule: {s.Name}")); } }
  • 有关 API 详细信息,请参阅《适用于 .NET 的 AWS SDK API Reference》中的 ListSchedules

Java
适用于 Java 的 SDK 2.x
注意

查看 GitHub,了解更多信息。在 AWS 代码示例存储库中查找完整示例,了解如何进行设置和运行。

import software.amazon.awssdk.services.scheduler.SchedulerAsyncClient; import software.amazon.awssdk.services.scheduler.model.ListSchedulesRequest; import software.amazon.awssdk.services.scheduler.model.ScheduleSummary; import software.amazon.awssdk.services.scheduler.paginators.ListSchedulesPublisher; import java.util.ArrayList; import java.util.List; import java.util.concurrent.CompletableFuture; public class HelloScheduler { public static void main(String [] args) { listSchedulesAsync(); } /** * Lists all the schedules available. * <p> * This method uses the {@link SchedulerAsyncClient} to make an asynchronous request to * list all the schedules available. The method uses the {@link ListSchedulesPublisher} * to fetch the schedules in a paginated manner, and then processes the responses * asynchronously. */ public static void listSchedulesAsync() { SchedulerAsyncClient schedulerAsyncClient = SchedulerAsyncClient.create(); // Build the request to list schedules ListSchedulesRequest listSchedulesRequest = ListSchedulesRequest.builder().build(); // Use the paginator to fetch all schedules asynchronously. ListSchedulesPublisher paginator = schedulerAsyncClient.listSchedulesPaginator(listSchedulesRequest); List<ScheduleSummary> results = new ArrayList<>(); // Subscribe to the paginator to process the response asynchronously CompletableFuture<Void> future = paginator.subscribe(response -> { response.schedules().forEach(schedule -> { results.add(schedule); System.out.printf("Schedule: %s%n", schedule.name()); }); }); // Wait for the asynchronous operation to complete. future.join(); // After all schedules are fetched, print the total count. System.out.printf("Total of %d schedule(s) available.%n", results.size()); } }
  • 有关 API 详细信息,请参阅《AWS SDK for Java 2.x API Reference》中的 ListSchedules

Python
适用于 Python 的 SDK (Boto3)
注意

查看 GitHub,了解更多信息。在 AWS 代码示例存储库中查找完整示例,了解如何进行设置和运行。

import boto3 def hello_scheduler(scheduler_client): """ Use the AWS SDK for Python (Boto3) to create an Amazon EventBridge Scheduler client and list the schedules in your account. This example uses the default settings specified in your shared credentials and config files. :param scheduler_client: A Boto3 Amazon EventBridge Scheduler Client object. This object wraps the low-level Amazon EventBridge Scheduler service API. """ print("Hello, Amazon EventBridge Scheduler! Let's list some of your schedules:\n") paginator = scheduler_client.get_paginator("list_schedules") page_iterator = paginator.paginate(PaginationConfig={"MaxItems": 10}) schedule_names: [str] = [] for page in page_iterator: for schedule in page["Schedules"]: schedule_names.append(schedule["Name"]) print(f"{len(schedule_names)} schedule(s) retrieved.") for schedule_name in schedule_names: print(f"\t{schedule_name}") if __name__ == "__main__": hello_scheduler(boto3.client("scheduler"))
  • 有关 API 详细信息,请参阅《AWS SDK for Python (Boto3) API Reference》中的 ListSchedules