content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.spring.batch.v3_0.chunk;
  
  import static net.bytebuddy.matcher.ElementMatchers.isPublic;
  import static net.bytebuddy.matcher.ElementMatchers.named;
  import static net.bytebuddy.matcher.ElementMatchers.namedOneOf;
  import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
  
  import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
  import net.bytebuddy.asm.Advice;
  import net.bytebuddy.description.type.TypeDescription;
  import net.bytebuddy.matcher.ElementMatcher;
  import org.springframework.batch.core.step.builder.AbstractTaskletStepBuilder;
  
  public class StepBuilderInstrumentation implements TypeInstrumentation {
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      // Spring Batch Java DSL and XML config
      return namedOneOf(
          "org.springframework.batch.core.step.builder.AbstractTaskletStepBuilder",
          // JSR-352 XML config
          "org.springframework.batch.core.jsr.step.builder.JsrSimpleStepBuilder",
          "org.springframework.batch.core.jsr.step.builder.JsrBatchletStepBuilder");
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          named("build").and(isPublic()).and(takesArguments(0)),
          this.getClass().getName() + "$BuildAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class BuildAdvice {
  
      @Advice.OnMethodEnter(suppress = Throwable.class)
      public static void onEnter(@Advice.This AbstractTaskletStepBuilder<?> stepBuilder) {
        stepBuilder.listener(new TracingChunkExecutionListener(stepBuilder.getClass()));
      }
    }
  }
  