使用带软件开发工具包的 Amazon S3 管理大型亚马逊 SQS 消息 Amazon - Amazon Simple Queue Service
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使用带软件开发工具包的 Amazon S3 管理大型亚马逊 SQS 消息 Amazon

以下代码示例展示了如何使用 Amazon SQS 扩展客户端库来处理大型 Amazon SQS 消息。

Java
适用于 Java 的 SDK 2.x
注意

还有更多相关信息 GitHub。在 Amazon 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 com.amazon.sqs.javamessaging.AmazonSQSExtendedClient; import com.amazon.sqs.javamessaging.ExtendedClientConfiguration; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.joda.time.DateTime; import org.joda.time.format.DateTimeFormat; import software.amazon.awssdk.services.s3.S3Client; import software.amazon.awssdk.services.s3.model.BucketLifecycleConfiguration; import software.amazon.awssdk.services.s3.model.CreateBucketRequest; import software.amazon.awssdk.services.s3.model.DeleteBucketRequest; import software.amazon.awssdk.services.s3.model.DeleteObjectRequest; import software.amazon.awssdk.services.s3.model.ExpirationStatus; import software.amazon.awssdk.services.s3.model.LifecycleExpiration; import software.amazon.awssdk.services.s3.model.LifecycleRule; import software.amazon.awssdk.services.s3.model.LifecycleRuleFilter; import software.amazon.awssdk.services.s3.model.ListObjectVersionsRequest; import software.amazon.awssdk.services.s3.model.ListObjectVersionsResponse; import software.amazon.awssdk.services.s3.model.ListObjectsV2Request; import software.amazon.awssdk.services.s3.model.ListObjectsV2Response; import software.amazon.awssdk.services.s3.model.PutBucketLifecycleConfigurationRequest; import software.amazon.awssdk.services.sqs.SqsClient; import software.amazon.awssdk.services.sqs.model.CreateQueueRequest; import software.amazon.awssdk.services.sqs.model.CreateQueueResponse; import software.amazon.awssdk.services.sqs.model.DeleteMessageRequest; import software.amazon.awssdk.services.sqs.model.DeleteQueueRequest; import software.amazon.awssdk.services.sqs.model.Message; import software.amazon.awssdk.services.sqs.model.ReceiveMessageRequest; import software.amazon.awssdk.services.sqs.model.ReceiveMessageResponse; import software.amazon.awssdk.services.sqs.model.SendMessageRequest; import java.util.Arrays; import java.util.List; import java.util.UUID; /** * Example of using Amazon SQS Extended Client Library for Java 2.x. */ public class SqsExtendedClientExample { private static final Logger logger = LoggerFactory.getLogger(SqsExtendedClientExample.class); private String s3BucketName; private String queueUrl; private final String queueName; private final S3Client s3Client; private final SqsClient sqsExtendedClient; private final int messageSize; /** * Constructor with default clients and message size. */ public SqsExtendedClientExample() { this(S3Client.create(), 300000); } /** * Constructor with custom S3 client and message size. * * @param s3Client The S3 client to use * @param messageSize The size of the test message to create */ public SqsExtendedClientExample(S3Client s3Client, int messageSize) { this.s3Client = s3Client; this.messageSize = messageSize; // Generate a unique bucket name. this.s3BucketName = UUID.randomUUID() + "-" + DateTimeFormat.forPattern("yyMMdd-hhmmss").print(new DateTime()); // Generate a unique queue name. this.queueName = "MyQueue-" + UUID.randomUUID(); // Configure the SQS extended client. final ExtendedClientConfiguration extendedClientConfig = new ExtendedClientConfiguration() .withPayloadSupportEnabled(s3Client, s3BucketName); this.sqsExtendedClient = new AmazonSQSExtendedClient(SqsClient.builder().build(), extendedClientConfig); } public static void main(String[] args) { SqsExtendedClientExample example = new SqsExtendedClientExample(); try { example.setup(); example.sendAndReceiveMessage(); } finally { example.cleanup(); } } /** * Send a large message and receive it back. * * @return The received message */ public Message sendAndReceiveMessage() { try { // Create a large message. char[] chars = new char[messageSize]; Arrays.fill(chars, 'x'); String largeMessage = new String(chars); // Send the message. final SendMessageRequest sendMessageRequest = SendMessageRequest.builder() .queueUrl(queueUrl) .messageBody(largeMessage) .build(); sqsExtendedClient.sendMessage(sendMessageRequest); logger.info("Sent message of size: {}", largeMessage.length()); // Receive and return the message. final ReceiveMessageResponse receiveMessageResponse = sqsExtendedClient.receiveMessage( ReceiveMessageRequest.builder().queueUrl(queueUrl).build()); List<Message> messages = receiveMessageResponse.messages(); if (messages.isEmpty()) { throw new RuntimeException("No messages received"); } Message message = messages.getFirst(); logger.info("\nMessage received."); logger.info(" ID: {}", message.messageId()); logger.info(" Receipt handle: {}", message.receiptHandle()); logger.info(" Message body size: {}", message.body().length()); logger.info(" Message body (first 5 characters): {}", message.body().substring(0, 5)); return message; } catch (RuntimeException e) { logger.error("Error during message processing: {}", e.getMessage(), e); throw e; } }

有关 S Amazon DK 开发者指南和代码示例的完整列表,请参阅将 Amazon SQS 与软件开发工具包配合使用 Amazon。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。