Amazon S3 Control 您好 - AWS SDK 程式碼範例

文件 AWS SDK AWS 範例 SDK 儲存庫中有更多可用的 GitHub 範例。

本文為英文版的機器翻譯版本,如內容有任何歧義或不一致之處,概以英文版為準。

Amazon S3 Control 您好

下列程式碼範例示範如何使用 'Amazon S3 Control'

Java
Java 2.x 的 SDK
注意

還有更多 on GitHub。尋找完整範例,並了解如何在 AWS 程式碼範例儲存庫中設定和執行。

import software.amazon.awssdk.auth.credentials.EnvironmentVariableCredentialsProvider; import software.amazon.awssdk.core.client.config.ClientOverrideConfiguration; import software.amazon.awssdk.core.retry.RetryMode; import software.amazon.awssdk.core.retry.RetryPolicy; import software.amazon.awssdk.http.async.SdkAsyncHttpClient; import software.amazon.awssdk.http.nio.netty.NettyNioAsyncHttpClient; import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.s3control.S3ControlAsyncClient; import software.amazon.awssdk.services.s3control.model.JobListDescriptor; import software.amazon.awssdk.services.s3control.model.JobStatus; import software.amazon.awssdk.services.s3control.model.ListJobsRequest; import software.amazon.awssdk.services.s3control.paginators.ListJobsPublisher; import java.time.Duration; import java.util.List; import java.util.concurrent.CompletableFuture; import java.util.concurrent.CompletionException; /** * Before running this example: * <p/> * The SDK must be able to authenticate AWS requests on your behalf. If you have not configured * authentication for SDKs and tools,see https://docs.aws.amazon.com/sdkref/latest/guide/access.html in the AWS SDKs and Tools Reference Guide. * <p/> * You must have a runtime environment configured with the Java SDK. * See https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/setup.html in the Developer Guide if this is not set up. */ public class HelloS3Batch { private static S3ControlAsyncClient asyncClient; public static void main(String[] args) { S3BatchActions actions = new S3BatchActions(); String accountId = actions.getAccountId(); try { listBatchJobsAsync(accountId) .exceptionally(ex -> { System.err.println("List batch jobs failed: " + ex.getMessage()); return null; }) .join(); } catch (CompletionException ex) { System.err.println("Failed to list batch jobs: " + ex.getMessage()); } } /** * Retrieves the asynchronous S3 Control client instance. * <p> * This method creates and returns a singleton instance of the {@link S3ControlAsyncClient}. If the instance * has not been created yet, it will be initialized with the following configuration: * <ul> * <li>Maximum concurrency: 100</li> * <li>Connection timeout: 60 seconds</li> * <li>Read timeout: 60 seconds</li> * <li>Write timeout: 60 seconds</li> * <li>API call timeout: 2 minutes</li> * <li>API call attempt timeout: 90 seconds</li> * <li>Retry policy: 3 retries</li> * <li>Region: US_EAST_1</li> * <li>Credentials provider: {@link EnvironmentVariableCredentialsProvider}</li> * </ul> * * @return the asynchronous S3 Control client instance */ private static S3ControlAsyncClient getAsyncClient() { if (asyncClient == null) { SdkAsyncHttpClient httpClient = NettyNioAsyncHttpClient.builder() .maxConcurrency(100) .connectionTimeout(Duration.ofSeconds(60)) .readTimeout(Duration.ofSeconds(60)) .writeTimeout(Duration.ofSeconds(60)) .build(); ClientOverrideConfiguration overrideConfig = ClientOverrideConfiguration.builder() .apiCallTimeout(Duration.ofMinutes(2)) .apiCallAttemptTimeout(Duration.ofSeconds(90)) .retryStrategy(RetryMode.STANDARD) .build(); asyncClient = S3ControlAsyncClient.builder() .region(Region.US_EAST_1) .httpClient(httpClient) .overrideConfiguration(overrideConfig) .credentialsProvider(EnvironmentVariableCredentialsProvider.create()) .build(); } return asyncClient; } /** * Asynchronously lists batch jobs that have completed for the specified account. * * @param accountId the ID of the account to list jobs for * @return a CompletableFuture that completes when the job listing operation is finished */ public static CompletableFuture<Void> listBatchJobsAsync(String accountId) { ListJobsRequest jobsRequest = ListJobsRequest.builder() .jobStatuses(JobStatus.COMPLETE) .accountId(accountId) .maxResults(10) .build(); ListJobsPublisher publisher = getAsyncClient().listJobsPaginator(jobsRequest); return publisher.subscribe(response -> { List<JobListDescriptor> jobs = response.jobs(); for (JobListDescriptor job : jobs) { System.out.println("The job id is " + job.jobId()); System.out.println("The job priority is " + job.priority()); } }).thenAccept(response -> { System.out.println("Listing batch jobs completed"); }).exceptionally(ex -> { System.err.println("Failed to list batch jobs: " + ex.getMessage()); throw new RuntimeException(ex); }); }
  • 如需 API 詳細資訊,請參閱 ListJobs AWS SDK for Java 2.x 參考中的 API