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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.ec3k;
  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 Ec3kRollingReadingAverage extends RollingReadingAverage<Ec3kReading> {
  23     public Ec3kRollingReadingAverage(int bufferSize) {
  24         super(new Ec3kReading[bufferSize]);
  25     }
  26
  27     @Override
  28     protected Ec3kReading add(Ec3kReading value1, Ec3kReading value2) {
  29         if (value2 != null) {
  30             return new Ec3kReading(value2.getSensorId(), value1.getCurrentWatt() + value2.getCurrentWatt(),
  31                     value2.getMaxWatt(), value2.getConsumptionTotal(), value2.getApplianceTime(),
  32                     value2.getSensorTime(), value2.getResets());
  33         }
  34
  35         return new Ec3kReading(value1.getSensorId(), value1.getCurrentWatt(), value1.getMaxWatt(),
  36                 value1.getConsumptionTotal(), value1.getApplianceTime(), value1.getSensorTime(), value1.getResets());
  37     }
  38
  39     @Override
  40     protected Ec3kReading substract(Ec3kReading from, Ec3kReading value) {
  41         float newCurrWatt = from.getCurrentWatt();
  42
  43         if (value != null) {
  44             newCurrWatt -= value.getCurrentWatt();
  45         }
  46
  47         return new Ec3kReading(from.getSensorId(), newCurrWatt, from.getMaxWatt(), from.getConsumptionTotal(),
  48                 from.getApplianceTime(), from.getSensorTime(), from.getResets());
  49     }
  50
  51     @Override
  52     protected Ec3kReading divide(Ec3kReading value, int number) {
  53         return new Ec3kReading(value.getSensorId(), value.getCurrentWatt() / number, value.getMaxWatt(),
  54                 value.getConsumptionTotal(), value.getApplianceTime(), value.getSensorTime(), value.getResets());
  55     }
  56 }