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 com.example.android.persistence.migrations;
  
  import java.util.concurrent.Executor;
  
  /**
   * Allow instant execution of tasks.
   * Note: when using the Architecture components, for testing, you can use the
   * InstantTaskExecutorRule test rule, after adding
   * android.arch.core:core-testing to your build.gradle file.
   */
  public class SingleExecutors extends AppExecutors {
      private static final Executor instant = Runnable::run;
  
      public SingleExecutors() {
          super(instant, instant, instant);
      }
  }
  