content: /*
   * Copyright 2018 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.androidthings.sensorhub.collector;
  
  import com.example.androidthings.sensorhub.SensorData;
  
  import java.util.List;
  
  /**
   * Abstracts the process of reading sensor data from related sensors.
   */
  public interface SensorCollector {
      boolean activate();
      void setEnabled(String sensor, boolean enabled);
      boolean isEnabled(String sensor);
      List<String> getAvailableSensors();
      List<String> getEnabledSensors();
      void collectRecentReadings(List<SensorData> output);
      void closeQuietly();
  }
  