content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.rocketmqclient.v5_0;
  
  import static io.opentelemetry.semconv.incubating.MessagingIncubatingAttributes.MESSAGING_ROCKETMQ_CLIENT_GROUP;
  
  import apache.rocketmq.v2.ReceiveMessageRequest;
  import io.opentelemetry.api.common.AttributesBuilder;
  import io.opentelemetry.context.Context;
  import io.opentelemetry.instrumentation.api.instrumenter.AttributesExtractor;
  import java.util.List;
  import javax.annotation.Nullable;
  import org.apache.rocketmq.client.apis.message.MessageView;
  
  enum RocketMqConsumerReceiveAttributeExtractor
      implements AttributesExtractor<ReceiveMessageRequest, List<MessageView>> {
    INSTANCE;
  
    @Override
    public void onStart(
        AttributesBuilder attributes, Context parentContext, ReceiveMessageRequest request) {}
  
    @SuppressWarnings("deprecation") // using deprecated semconv
    @Override
    public void onEnd(
        AttributesBuilder attributes,
        Context context,
        ReceiveMessageRequest request,
        @Nullable List<MessageView> messageViews,
        @Nullable Throwable error) {
      String consumerGroup = request.getGroup().getName();
      attributes.put(MESSAGING_ROCKETMQ_CLIENT_GROUP, consumerGroup);
    }
  }
  