content: /*
   * Copyright 2016, 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 <%= appPackage %>.addedittask.domain.usecase;
  
  import android.support.annotation.NonNull;
  
  import <%= appPackage %>.UseCase;
  import <%= appPackage %>.tasks.domain.model.Task;
  import <%= appPackage %>.data.source.TasksRepository;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  /**
   * Updates or creates a new {@link Task} in the {@link TasksRepository}.
   */
  public class SaveTask extends UseCase<SaveTask.RequestValues, SaveTask.ResponseValue> {
  
      private final TasksRepository mTasksRepository;
  
      public SaveTask(@NonNull TasksRepository tasksRepository) {
          mTasksRepository = checkNotNull(tasksRepository, "tasksRepository cannot be null!");
      }
  
      @Override
      protected void executeUseCase(final RequestValues values) {
          Task task = values.getTask();
          mTasksRepository.saveTask(task);
  
          getUseCaseCallback().onSuccess(new ResponseValue(task));
      }
  
      public static final class RequestValues implements UseCase.RequestValues {
  
          private final Task mTask;
  
          public RequestValues(@NonNull Task task) {
              mTask = checkNotNull(task, "task cannot be null!");
          }
  
          public Task getTask() {
              return mTask;
          }
      }
  
      public static final class ResponseValue implements UseCase.ResponseValue {
  
          private final Task mTask;
  
          public ResponseValue(@NonNull Task task) {
              mTask = checkNotNull(task, "task cannot be null!");
          }
  
          public Task getTask() {
              return mTask;
          }
      }
  }
  