content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.hibernate.v6_0;
  
  import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.hasClassesNamed;
  import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.implementsInterface;
  import static net.bytebuddy.matcher.ElementMatchers.isMethod;
  import static net.bytebuddy.matcher.ElementMatchers.namedOneOf;
  import static net.bytebuddy.matcher.ElementMatchers.returns;
  import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
  
  import io.opentelemetry.instrumentation.api.util.VirtualField;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
  import io.opentelemetry.javaagent.instrumentation.hibernate.SessionInfo;
  import net.bytebuddy.asm.Advice;
  import net.bytebuddy.description.type.TypeDescription;
  import net.bytebuddy.matcher.ElementMatcher;
  import org.hibernate.SharedSessionContract;
  
  public class SessionFactoryInstrumentation implements TypeInstrumentation {
  
    @Override
    public ElementMatcher<ClassLoader> classLoaderOptimization() {
      return hasClassesNamed("org.hibernate.SessionFactory", "org.hibernate.SessionBuilder");
    }
  
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return implementsInterface(
          namedOneOf("org.hibernate.SessionFactory", "org.hibernate.SessionBuilder"));
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          isMethod()
              .and(namedOneOf("openSession", "openStatelessSession"))
              .and(takesArguments(0))
              .and(
                  returns(
                      namedOneOf(
                          "org.hibernate.Session",
                          "org.hibernate.StatelessSession",
                          "org.hibernate.internal.SessionImpl"))),
          SessionFactoryInstrumentation.class.getName() + "$SessionFactoryAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class SessionFactoryAdvice {
  
      @Advice.OnMethodExit(suppress = Throwable.class)
      public static void openSession(@Advice.Return SharedSessionContract session) {
  
        VirtualField<SharedSessionContract, SessionInfo> virtualField =
            VirtualField.find(SharedSessionContract.class, SessionInfo.class);
        virtualField.set(session, new SessionInfo());
      }
    }
  }
  