使用 AWS SDK 的 AWS Glue API 代码示例 - AWS Glue

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使用 AWS SDK 的 AWS Glue API 代码示例

以下代码示例显示如何将 AWS Glue 与 AWS 软件开发工具包(SDK)一起使用。

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和跨服务示例的上下文查看操作。

场景 是展示如何通过在同一服务中调用多个函数来完成特定任务的代码示例。

有关 AWS SDK 开发人员指南和代码示例的完整列表,请参阅 将此服务与 AWS SDK 结合使用。本主题还包括有关入门的信息以及有关先前的 SDK 版本的详细信息。

开始使用

以下代码示例显示如何开始使用 AWS Glue。

.NET
AWS SDK for .NET
注意

在 GitHub 上查看更多内容。查找完整示例,学习如何在 AWS 代码示例存储库中进行设置和运行。

namespace GlueActions; public class HelloGlue { private static ILogger logger = null!; static async Task Main(string[] args) { // Set up dependency injection for AWS Glue. using var host = Host.CreateDefaultBuilder(args) .ConfigureLogging(logging => logging.AddFilter("System", LogLevel.Debug) .AddFilter<DebugLoggerProvider>("Microsoft", LogLevel.Information) .AddFilter<ConsoleLoggerProvider>("Microsoft", LogLevel.Trace)) .ConfigureServices((_, services) => services.AddAWSService<IAmazonGlue>() .AddTransient<GlueWrapper>() ) .Build(); logger = LoggerFactory.Create(builder => { builder.AddConsole(); }) .CreateLogger<HelloGlue>(); var glueClient = host.Services.GetRequiredService<IAmazonGlue>(); var request = new ListJobsRequest(); var jobNames = new List<string>(); do { var response = await glueClient.ListJobsAsync(request); jobNames.AddRange(response.JobNames); request.NextToken = response.NextToken; } while (request.NextToken is not null); Console.Clear(); Console.WriteLine("Hello, Glue. Let's list your existing Glue Jobs:"); if (jobNames.Count == 0) { Console.WriteLine("You don't have any AWS Glue jobs."); } else { jobNames.ForEach(Console.WriteLine); } } }
  • 有关 API 的详细信息,请参阅 AWS SDK for .NET API 参考中的 ListJobs

C++
适用于 C++ 的 SDK
注意

查看 GitHub,了解更多信息。查找完整示例,学习如何在 AWS 代码示例存储库中进行设置和运行。

CMakeLists.txt CMake 文件的代码。

# Set the minimum required version of CMake for this project. cmake_minimum_required(VERSION 3.13) # Set the AWS service components used by this project. set(SERVICE_COMPONENTS glue) # Set this project's name. project("hello_glue") # Set the C++ standard to use to build this target. # At least C++ 11 is required for the AWS SDK for C++. set(CMAKE_CXX_STANDARD 11) # Use the MSVC variable to determine if this is a Windows build. set(WINDOWS_BUILD ${MSVC}) if (WINDOWS_BUILD) # Set the location where CMake can find the installed libraries for the AWS SDK. string(REPLACE ";" "/aws-cpp-sdk-all;" SYSTEM_MODULE_PATH "${CMAKE_SYSTEM_PREFIX_PATH}/aws-cpp-sdk-all") list(APPEND CMAKE_PREFIX_PATH ${SYSTEM_MODULE_PATH}) endif () # Find the AWS SDK for C++ package. find_package(AWSSDK REQUIRED COMPONENTS ${SERVICE_COMPONENTS}) if (WINDOWS_BUILD AND AWSSDK_INSTALL_AS_SHARED_LIBS) # Copy relevant AWS SDK for C++ libraries into the current binary directory for running and debugging. # set(BIN_SUB_DIR "/Debug") # if you are building from the command line you may need to uncomment this # and set the proper subdirectory to the executables' location. AWSSDK_CPY_DYN_LIBS(SERVICE_COMPONENTS "" ${CMAKE_CURRENT_BINARY_DIR}${BIN_SUB_DIR}) endif () add_executable(${PROJECT_NAME} hello_glue.cpp) target_link_libraries(${PROJECT_NAME} ${AWSSDK_LINK_LIBRARIES})

hello_glue.cpp 源文件的代码。

#include <aws/core/Aws.h> #include <aws/glue/GlueClient.h> #include <aws/glue/model/ListJobsRequest.h> #include <iostream> /* * A "Hello Glue" starter application which initializes an AWS Glue client and lists the * AWS Glue job definitions. * * main function * * Usage: 'hello_glue' * */ int main(int argc, char **argv) { Aws::SDKOptions options; // Optionally change the log level for debugging. // options.loggingOptions.logLevel = Utils::Logging::LogLevel::Debug; Aws::InitAPI(options); // Should only be called once. int result = 0; { Aws::Client::ClientConfiguration clientConfig; // Optional: Set to the AWS Region (overrides config file). // clientConfig.region = "us-east-1"; Aws::Glue::GlueClient glueClient(clientConfig); std::vector<Aws::String> jobs; Aws::String nextToken; // Used for pagination. do { Aws::Glue::Model::ListJobsRequest listJobsRequest; if (!nextToken.empty()) { listJobsRequest.SetNextToken(nextToken); } Aws::Glue::Model::ListJobsOutcome listRunsOutcome = glueClient.ListJobs( listJobsRequest); if (listRunsOutcome.IsSuccess()) { const std::vector<Aws::String> &jobNames = listRunsOutcome.GetResult().GetJobNames(); jobs.insert(jobs.end(), jobNames.begin(), jobNames.end()); nextToken = listRunsOutcome.GetResult().GetNextToken(); } else { std::cerr << "Error listing jobs. " << listRunsOutcome.GetError().GetMessage() << std::endl; result = 1; break; } } while (!nextToken.empty()); std::cout << "Your account has " << jobs.size() << " jobs." << std::endl; for (size_t i = 0; i < jobs.size(); ++i) { std::cout << " " << i + 1 << ". " << jobs[i] << std::endl; } } Aws::ShutdownAPI(options); // Should only be called once. return result; }
  • 有关 API 的详细信息,请参阅 AWS SDK for C++ API 参考中的 ListJobs

Java
SDK for Java 2.x
注意

查看 GitHub,了解更多信息。查找完整示例,学习如何在 AWS 代码示例存储库中进行设置和运行。

package com.example.glue; import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.glue.GlueClient; import software.amazon.awssdk.services.glue.model.ListJobsRequest; import software.amazon.awssdk.services.glue.model.ListJobsResponse; import java.util.List; public class HelloGlue { public static void main(String[] args) { GlueClient glueClient = GlueClient.builder() .region(Region.US_EAST_1) .build(); listJobs(glueClient); } public static void listJobs(GlueClient glueClient) { ListJobsRequest request = ListJobsRequest.builder() .maxResults(10) .build(); ListJobsResponse response = glueClient.listJobs(request); List<String> jobList = response.jobNames(); jobList.forEach(job -> { System.out.println("Job Name: " + job); }); } }
  • 有关 API 的详细信息,请参阅 AWS SDK for Java 2.x API 参考中的 ListJobs

JavaScript
SDK for JavaScript (v3)
注意

在 GitHub 上查看更多内容。查找完整示例,学习如何在 AWS 代码示例存储库中进行设置和运行。

import { ListJobsCommand, GlueClient } from "@aws-sdk/client-glue"; const client = new GlueClient({}); export const main = async () => { const command = new ListJobsCommand({}); const { JobNames } = await client.send(command); const formattedJobNames = JobNames.join("\n"); console.log("Job names: "); console.log(formattedJobNames); return JobNames; };
  • 有关 API 的详细信息,请参阅 AWS SDK for JavaScript API 参考中的 ListJobs

Rust
适用于 Rust 的 SDK
注意

在 GitHub 上查看更多内容。查找完整示例,学习如何在 AWS 代码示例存储库中进行设置和运行。

let mut list_jobs = glue.list_jobs().into_paginator().send(); while let Some(list_jobs_output) = list_jobs.next().await { match list_jobs_output { Ok(list_jobs) => { let names = list_jobs.job_names(); info!(?names, "Found these jobs") } Err(err) => return Err(GlueMvpError::from_glue_sdk(err)), } }
  • 有关 API 详细信息,请参阅《AWS SDK for Rust API 参考》中的 ListJobs