content: /*
   * Copyright (C) 2017 The Android Open Source Project
   *
   * 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 androidx.leanback.leanbackshowcase.app.room.di.viewmodel;
  
  import androidx.lifecycle.ViewModel;
  import androidx.lifecycle.ViewModelProvider;
  
  import java.util.Map;
  
  import javax.inject.Inject;
  import javax.inject.Singleton;
  
  
  @Singleton
  public class ViewModelFactory implements ViewModelProvider.Factory{
      private final Map<Class<? extends ViewModel>, ViewModel> creators;
  
      @Inject
      public ViewModelFactory(Map<Class<? extends ViewModel>, ViewModel> creators) {
          this.creators = creators;
      }
  
      @SuppressWarnings("unchecked")
      @Override
      public <T extends ViewModel> T create(Class<T> modelClass) {
          return (T)creators.get(modelClass);
      }
  }
  