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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.jeelink.internal.lacrosse;
  14
  15 import org.openhab.binding.jeelink.internal.RollingReadingAverage;
  16
  17 /**
  18  * Computes a rolling average of readings.
  19  *
  20  * @author Volker Bier - Initial contribution
  21  */
  22 public class LaCrosseRollingReadingAverage extends RollingReadingAverage<LaCrosseTemperatureReading> {
  23     public LaCrosseRollingReadingAverage(int bufferSize) {
  24         super(new LaCrosseTemperatureReading[bufferSize]);
  25     }
  26
  27     @Override
  28     protected LaCrosseTemperatureReading add(LaCrosseTemperatureReading value1, LaCrosseTemperatureReading value2) {
  29         if (value2 != null) {
  30             return new LaCrosseTemperatureReading(value2.getSensorId(), value2.getSensorType(), value2.getChannel(),
  31                     value1.getTemperature() + value2.getTemperature(), value1.getHumidity() + value2.getHumidity(),
  32                     value2.isBatteryNew(), value2.isBatteryLow());
  33         }
  34
  35         return new LaCrosseTemperatureReading(value1.getSensorId(), value1.getSensorType(), value1.getChannel(),
  36                 value1.getTemperature(), value1.getHumidity(), value1.isBatteryNew(), value1.isBatteryLow());
  37     }
  38
  39     @Override
  40     protected LaCrosseTemperatureReading substract(LaCrosseTemperatureReading from, LaCrosseTemperatureReading value) {
  41         float newTemp = from.getTemperature();
  42         int newHum = from.getHumidity();
  43
  44         if (value != null) {
  45             newTemp -= value.getTemperature();
  46             newHum -= value.getHumidity();
  47         }
  48
  49         return new LaCrosseTemperatureReading(from.getSensorId(), from.getSensorType(), from.getChannel(), newTemp,
  50                 newHum, from.isBatteryNew(), from.isBatteryLow());
  51     }
  52
  53     @Override
  54     protected LaCrosseTemperatureReading divide(LaCrosseTemperatureReading value, int number) {
  55         return new LaCrosseTemperatureReading(value.getSensorId(), value.getSensorType(), value.getChannel(),
  56                 value.getTemperature() / number, value.getHumidity() / number, value.isBatteryNew(),
  57                 value.isBatteryLow());
  58     }
  59 }