How to use

org.springframework.amqp.rabbit.listener.DirectReplyToMessageListenerContainer$ChannelHolder

constructor

/**
 * Get the channel holder associated with a direct reply-to consumer; contains a
 * consumer epoch to prevent inappropriate releases.
 * @return the channel holder.
 */
public ChannelHolder getChannelHolder() {
  synchronized (this.consumersMonitor) {
    ChannelHolder channelHolder = null;
    while (channelHolder == null) {
      if (!isRunning()) {
        throw new IllegalStateException("Direct reply-to container is not running");
      }
      for (SimpleConsumer consumer : this.consumers) {
        Channel candidate = consumer.getChannel();
        if (candidate.isOpen() && this.inUseConsumerChannels.putIfAbsent(candidate, consumer) == null) {
          channelHolder = new ChannelHolder(candidate, consumer.incrementAndGetEpoch());
          this.whenUsed.put(consumer, System.currentTimeMillis());
          break;
        }
      }
      if (channelHolder == null) {
        this.consumerCount++;
        super.setConsumersPerQueue(this.consumerCount);
      }
    }
    return channelHolder;
  }
}

/**
 * Get the channel holder associated with a direct reply-to consumer; contains a
 * consumer epoch to prevent inappropriate releases.
 * @return the channel holder.
 */
public ChannelHolder getChannelHolder() {
  synchronized (this.consumersMonitor) {
    ChannelHolder channelHolder = null;
    while (channelHolder == null) {
      if (!isRunning()) {
        throw new IllegalStateException("Direct reply-to container is not running");
      }
      for (SimpleConsumer consumer : this.consumers) {
        Channel candidate = consumer.getChannel();
        if (candidate.isOpen() && this.inUseConsumerChannels.putIfAbsent(candidate, consumer) == null) {
          channelHolder = new ChannelHolder(candidate, consumer.incrementAndGetEpoch());
          this.whenUsed.put(consumer, System.currentTimeMillis());
          break;
        }
      }
      if (channelHolder == null) {
        this.consumerCount++;
        super.setConsumersPerQueue(this.consumerCount);
      }
    }
    return channelHolder;
  }
}