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Java整合RabbitMQ實現(xiàn)五種常見消費模型_java_腳本之家
// 設置每個消費者在接收到確認前只能處理一條消息 channel.basicQos(1); // 接收消息 booleanautoAck =false; Consumer consumer =newDefaultConsumer(channel) { @Override publicvoidhandleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,byte[] body)throwsIOException { String message...
www.dbjr.com.cn/program/303935t...htm 2025-6-3
RabbitMQ消息隊列中的Channel信道參數(shù)詳解_java_腳本之家
Exchange.DeclareOk exchangeDeclare(String exchange, String type,booleandurable,booleanautoDelete,Map<String, Object> arguments)throwsIOException; 2. channel.basicQos() 參數(shù): prefetchSize:消息的大小 prefetchCount:會告訴RabbitMQ不要同時給一個消費者推送多于N個消息,即一旦有N個消息還沒有ack,則該consumer將bl...
www.dbjr.com.cn/program/296427r...htm 2025-6-6
使用Java實現(xiàn)RabbitMQ延時隊列_java_腳本之家
channel.basicQos(1); channel.basicConsume("delayed-queue",false, (consumerTag, delivery) -> { String message =newString(delivery.getBody(), StandardCharsets.UTF_8); System.out.println("Received message: "+ message); channel.basicAck(delivery.getEnvelope().getDeliveryTag(),false); }); 在...
www.dbjr.com.cn/program/288961m...htm 2025-6-3
RabbitMq中channel接口的幾種常用參數(shù)詳解_java_腳本之家
voidbasicQos(intprefetchSize,intprefetchCount,booleanglobal) param1:prefetchSize,消息本身的大小 如果設置為0 那么表示對消息本身的大小不限制 param2:prefetchCount,告訴rabbitmq不要一次性給消費者推送大于N個消息 param3:global,是否將上面的設置應用于整個通道 ...
www.dbjr.com.cn/program/2964566...htm 2025-5-31
Java RabbitMQ的TTL和DLX全面精解_java_腳本之家
channel.basicQos(1); Consumer consumer =newDefaultConsumer(channel) { @Override publicvoidhandleDelivery(String consumerTag, Envelope envelope, BasicProperties properties,byte[] body) throwsIOException { System.out.println("消費者收到消息:"+newString(body)+",當前時間:"+ConnectionUtil.formatDate(newDate...
www.dbjr.com.cn/article/2236...htm 2025-5-30
RabbitMQ工作模式中的RPC通信模式詳解_java_腳本之家
channel.basicQos(1); DefaultConsumer consumer = new DefaultConsumer(channel){ @Override public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException { String request = new String(body,"UTF-8"); System.out.println("接收到請求:"+ ...
www.dbjr.com.cn/program/3427620...htm 2025-6-6
Java確保MQ消息隊列不丟失的實現(xiàn)與流程分析_java_腳本之家
channel.basicQos(1); // 每次只接收一條消息 DeliverCallback deliverCallback = (consumerTag, delivery) -> { String message = new String(delivery.getBody(), "UTF-8"); try { // 模擬消息處理 System.out.println(" [x] Received '" + message + "'"); doWork(message); } finally { //...
www.dbjr.com.cn/program/341169b...htm 2025-6-5
SpringBoot整合RabbitMQ實現(xiàn)RPC遠程調(diào)用功能_java_腳本之家
channel.basicQos(1); // 生成關(guān)聯(lián)id String correlationId = UUID.randomUUID().toString(); // 構(gòu)造請求基本屬性 AMQP.BasicProperties props = new AMQP.BasicProperties.Builder() .correlationId(correlationId) // 設置關(guān)聯(lián)id .replyTo(REPLY_QUEUE_NAME) // 設置回復隊列 (rpc_reply_queue) .build(); //...
www.dbjr.com.cn/program/2881434...htm 2025-5-29