code: /*
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.rxjava3.internal.operators.observable;
  
  import io.reactivex.rxjava3.core.*;
  import io.reactivex.rxjava3.disposables.Disposable;
  import io.reactivex.rxjava3.functions.*;
  import io.reactivex.rxjava3.internal.observers.DisposableLambdaObserver;
  
  public final class ObservableDoOnLifecycle<T> extends AbstractObservableWithUpstream<T, T> {
      private final Consumer<? super Disposable> onSubscribe;
      private final Action onDispose;
  
      public ObservableDoOnLifecycle(Observable<T> upstream, Consumer<? super Disposable> onSubscribe,
              Action onDispose) {
          super(upstream);
          this.onSubscribe = onSubscribe;
          this.onDispose = onDispose;
      }
  
      @Override
      protected void subscribeActual(Observer<? super T> observer) {
          source.subscribe(new DisposableLambdaObserver<>(observer, onSubscribe, onDispose));
      }
  }
  