Example usage for com.rabbitmq.client BuiltinExchangeType TOPIC

Introduction

In this page you can find the example usage for com.rabbitmq.client BuiltinExchangeType TOPIC.

Prototype

BuiltinExchangeType TOPIC

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Usage

From source file:ms.dew.core.cluster.spi.rabbit.RabbitClusterMQ.java

License:Apache License

/**
 * MQ ??  ?./*from  w ww  . j av a2s. com*/
 * <p>
 * exchange = topic
 *
 * @param topic      
 * @param routingKey Key
 * @param queueName  ??
 * @param message    ?
 * @param confirm    ??
 * @return ???rabbit confirm ?????
 */
public boolean publishWithTopic(String topic, String routingKey, String queueName, String message,
        boolean confirm) {
    logger.trace("[MQ] publishWithTopic {}:{}", topic, message);
    Connection connection = rabbitAdapter.getConnection();
    Channel channel = connection.createChannel(false);
    Object funResult = null;
    try {
        if (confirm) {
            channel.confirmSelect();
        }
        channel.queueDeclare(queueName, true, false, false, null);
        channel.exchangeDeclare(topic, BuiltinExchangeType.TOPIC, true);
        AMQP.BasicProperties properties = new AMQP.BasicProperties("text/plain", null, getMQHeader(topic), 2, 0,
                null, null, null, null, null, null, null, null, null);
        funResult = sendBeforeFun.invoke(topic, routingKey, properties);
        channel.basicPublish(topic, routingKey, properties, message.getBytes());
        if (confirm) {
            try {
                return channel.waitForConfirms();
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                logger.error("[MQ] Rabbit publishWithTopic error.", e);
                sendErrorFun.invoke(e, funResult);
                return false;
            }
        } else {
            return true;
        }
    } catch (IOException e) {
        logger.error("[MQ] Rabbit publishWithTopic error.", e);
        sendErrorFun.invoke(e, funResult);
        return false;
    } finally {
        try {
            channel.close();
            sendFinishFun.invoke(funResult);
        } catch (IOException | TimeoutException e) {
            logger.error("[MQ] Rabbit publishWithTopic error.", e);
        }
        connection.close();
    }
}

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From source file:ms.dew.core.cluster.spi.rabbit.RabbitClusterMQ.java

License:Apache License

/**
 * MQ ??  .//from   w  w w  .ja  v a  2  s  .c o  m
 * <p>
 * exchange = topic
 * ??
 *
 * @param topic      
 * @param routingKey Key
 * @param queueName  ??
 * @param consumer   ?
 */
public void subscribeWithTopic(String topic, String routingKey, String queueName, Consumer<String> consumer) {
    Channel channel = rabbitAdapter.getConnection().createChannel(false);
    try {
        channel.queueDeclare(queueName, true, false, false, null);
        channel.exchangeDeclare(topic, BuiltinExchangeType.TOPIC, true);
        channel.queueBind(queueName, topic, routingKey);
        channel.basicQos(1);
        channel.basicConsume(queueName, false,
                getDefaultConsumer(channel, topic, topic, routingKey, queueName, consumer));
    } catch (IOException e) {
        logger.error("[MQ] Rabbit subscribeWithTopic error.", e);
    }
}

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