content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.hystrix;
  
  import io.opentelemetry.api.GlobalOpenTelemetry;
  import io.opentelemetry.instrumentation.api.instrumenter.Instrumenter;
  import io.opentelemetry.instrumentation.api.instrumenter.InstrumenterBuilder;
  import io.opentelemetry.javaagent.bootstrap.internal.AgentInstrumentationConfig;
  
  public final class HystrixSingletons {
  
    private static final String INSTRUMENTATION_NAME = "io.opentelemetry.hystrix-1.4";
  
    private static final Instrumenter<HystrixRequest, Void> INSTRUMENTER;
  
    static {
      InstrumenterBuilder<HystrixRequest, Void> builder =
          Instrumenter.builder(
              GlobalOpenTelemetry.get(), INSTRUMENTATION_NAME, HystrixRequest::spanName);
  
      if (AgentInstrumentationConfig.get()
          .getBoolean("otel.instrumentation.hystrix.experimental-span-attributes", false)) {
        builder.addAttributesExtractor(new ExperimentalAttributesExtractor());
      }
  
      INSTRUMENTER = builder.buildInstrumenter();
    }
  
    public static Instrumenter<HystrixRequest, Void> instrumenter() {
      return INSTRUMENTER;
    }
  
    private HystrixSingletons() {}
  }
  