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;
  
  /**
   * Special type of {@link SensorCollector} that allows collecting events when they happen.
   * For example, a motion sensor collector generates events when motion is detected, not at
   * regular intervals. Instances of this class can decide if they also want to report the
   * collected event as a regular sensor reading in {@link #collectRecentReadings(List)}.
   */
  public interface EventSensorCollector extends SensorCollector {
      interface Callback {
          void onEventCollected(SensorData data);
      }
      void setEventCallback(Callback callback);
  }
  