public void onStart()

in instrumentation/openai-client-instrumentation/instrumentation-1.1/src/main/java/co/elastic/otel/openai/v1_1/wrappers/InstrumentedChatCompletionService.java [101:146]
45 lines of code
4 McCabe index (conditional complexity)

                public void onStart(
                    AttributesBuilder attributes,
                    Context parentContext,
                    RequestHolder requestHolder) {
                  ChatCompletionCreateParams request = requestHolder.request;

                  requestHolder.settings.putServerInfoIntoAttributes(attributes);
                  attributes.put(GEN_AI_SYSTEM, "openai");
                  attributes.put(GEN_AI_OPERATION_NAME, "chat");
                  attributes.put(GEN_AI_REQUEST_MODEL, request.model().toString());
                  request
                      .frequencyPenalty()
                      .ifPresent(val -> attributes.put(GEN_AI_REQUEST_FREQUENCY_PENALTY, val));
                  request
                      .maxTokens()
                      .ifPresent(val -> attributes.put(GEN_AI_REQUEST_MAX_TOKENS, val));
                  request
                      .presencePenalty()
                      .ifPresent(val -> attributes.put(GEN_AI_REQUEST_PRESENCE_PENALTY, val));
                  request
                      .temperature()
                      .ifPresent(val -> attributes.put(GEN_AI_REQUEST_TEMPERATURE, val));
                  request.topP().ifPresent(val -> attributes.put(GEN_AI_REQUEST_TOP_P, val));
                  request.seed().ifPresent(val -> attributes.put(GEN_AI_OPENAI_REQUEST_SEED, val));
                  request
                      .stop()
                      .ifPresent(
                          stop -> {
                            if (stop.isString()) {
                              attributes.put(
                                  GEN_AI_REQUEST_STOP_SEQUENCES,
                                  Collections.singletonList(stop.asString()));
                            } else if (stop.isStrings()) {
                              attributes.put(GEN_AI_REQUEST_STOP_SEQUENCES, stop.asStrings());
                            }
                          });
                  request
                      .responseFormat()
                      .ifPresent(
                          val -> {
                            String typeString = extractType(val);
                            if (typeString != null) {
                              attributes.put(GEN_AI_OPENAI_REQUEST_RESPONSE_FORMAT, typeString);
                            }
                          });
                }