content: /**
   * Copyright (C) 2015 Fernando Cejas 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 com.fernandocejas.android10.sample.data.repository.datasource;
  
  import com.fernandocejas.android10.sample.data.cache.UserCache;
  import com.fernandocejas.android10.sample.data.entity.UserEntity;
  import com.fernandocejas.android10.sample.data.net.RestApi;
  import io.reactivex.Observable;
  import java.util.List;
  
  /**
   * {@link UserDataStore} implementation based on connections to the api (Cloud).
   */
  class CloudUserDataStore implements UserDataStore {
  
    private final RestApi restApi;
    private final UserCache userCache;
  
    /**
     * Construct a {@link UserDataStore} based on connections to the api (Cloud).
     *
     * @param restApi The {@link RestApi} implementation to use.
     * @param userCache A {@link UserCache} to cache data retrieved from the api.
     */
    CloudUserDataStore(RestApi restApi, UserCache userCache) {
      this.restApi = restApi;
      this.userCache = userCache;
    }
  
    @Override public Observable<List<UserEntity>> userEntityList() {
      return this.restApi.userEntityList();
    }
  
    @Override public Observable<UserEntity> userEntityDetails(final int userId) {
      return this.restApi.userEntityById(userId).doOnNext(CloudUserDataStore.this.userCache::put);
    }
  }
  