text: /* -*- mode: js; js-indent-level:2; -
   * SPDX-License-Identifier: Apache-2.0
   * Copyright 2019-present Samsung Electronics France and other contributors
   *
   * 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.
   */
  'use strict';
  
  var console = require('console');
  
  function Simulator () {
    this.value = [0, 0, 0, 0];
  }
  
  Simulator.prototype.read = function (callback) {
    for (var i in this.value) {
      this.value[i] = Math.random();
    }
    if (callback) return callback(null, this.value);
  };
  
  module.exports = Simulator;
  
  if (module.parent === null) {
    var sensor = new Simulator();
    sensor.read(function (err, value) {
      if (err) {
        console.error('error: ' + err);
        throw err;
      } else {
        console.log('log: value=' + JSON.stringify(value));
      }
    });
  }
  