content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.elasticsearch.transport.v5_3;
  
  import io.opentelemetry.api.common.AttributesBuilder;
  import io.opentelemetry.context.Context;
  import io.opentelemetry.javaagent.instrumentation.elasticsearch.transport.ElasticTransportRequest;
  import io.opentelemetry.javaagent.instrumentation.elasticsearch.transport.ElasticsearchTransportExperimentalAttributesExtractor;
  import org.elasticsearch.action.DocWriteRequest;
  
  public class Elasticsearch53TransportExperimentalAttributesExtractor
      extends ElasticsearchTransportExperimentalAttributesExtractor {
  
    @Override
    public void onStart(
        AttributesBuilder attributes,
        Context parentContext,
        ElasticTransportRequest transportRequest) {
      super.onStart(attributes, parentContext, transportRequest);
  
      Object request = transportRequest.getRequest();
      if (request instanceof DocWriteRequest) {
        DocWriteRequest<?> req = (DocWriteRequest<?>) request;
        attributes.put("elasticsearch.request.write.type", req.type());
        attributes.put("elasticsearch.request.write.routing", req.routing());
        attributes.put("elasticsearch.request.write.version", req.version());
      }
    }
  }
  