content: /*
   * Copyright (C) 2016 Airbnb, Inc.
   *
   * 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 com.airbnb.rxgroups;
  
  
  import io.reactivex.Observable;
  import io.reactivex.ObservableEmitter;
  import io.reactivex.ObservableOnSubscribe;
  import io.reactivex.ObservableSource;
  import io.reactivex.ObservableTransformer;
  import io.reactivex.annotations.NonNull;
  import io.reactivex.disposables.Disposable;
  
  class GroupResubscriptionTransformer<T> implements ObservableTransformer<T, T> {
    private final ManagedObservable<T> managedObservable;
  
    GroupResubscriptionTransformer(ManagedObservable<T> managedObservable) {
      this.managedObservable = managedObservable;
    }
  
    @Override public ObservableSource<T> apply(@NonNull final Observable<T> ignored) {
      return Observable.create(new ObservableOnSubscribe<T>() {
        @Override
        public void subscribe(@NonNull final ObservableEmitter<T> emitter) throws Exception {
          emitter.setDisposable(new Disposable() {
            @Override public void dispose() {
              managedObservable.dispose();
            }
  
            @Override public boolean isDisposed() {
              return managedObservable.isDisposed();
            }
          });
          managedObservable.resubscribe(emitter);
        }
      });
    }
  }
  