Hay más ejemplos de AWS SDK disponibles en el repositorio de GitHub de ejemplos de AWS SDK de documentos
Administración de mensajes grandes de Amazon SQS mediante Amazon S3 con un SDK de AWS
El siguiente ejemplo de código muestra cómo utilizar la biblioteca de clientes ampliada de Amazon SQS para trabajar con mensajes grandes de Amazon SQS.
- Java
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- SDK para Java 2.x
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nota
Hay más en GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el Repositorio de ejemplos de código de AWS
. 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; } }-
Para obtener más información, consulte la Guía para desarrolladores de AWS SDK for Java 2.x.
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Para obtener detalles sobre la API, consulte los siguientes temas en la Referencia de la API de AWS SDK for Java 2.x.
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