git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2024 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.enocean.internal.eep;
  14
  15 import javax.measure.Unit;
  16 import javax.measure.quantity.Energy;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.openhab.binding.enocean.internal.config.EnOceanChannelTotalusageConfig;
  21 import org.openhab.core.config.core.Configuration;
  22 import org.openhab.core.library.types.QuantityType;
  23 import org.openhab.core.library.unit.Units;
  24 import org.openhab.core.types.State;
  25 import org.openhab.core.types.UnDefType;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 /**
  30  *
  31  * @author Dominik Vorreiter - initial contribution
  32  *
  33  */
  34 @NonNullByDefault
  35 public abstract class EEPHelper {
  36     private static final Logger logger = LoggerFactory.getLogger(EEPHelper.class);
  37
  38     public static State validateTotalUsage(State value, @Nullable State currentState, Configuration config) {
  39         EnOceanChannelTotalusageConfig c = config.as(EnOceanChannelTotalusageConfig.class);
  40
  41         if (c.validateValue && (value instanceof QuantityType) && (currentState instanceof QuantityType)) {
  42             @SuppressWarnings("unchecked")
  43             QuantityType<Energy> newValue = value.as(QuantityType.class);
  44
  45             if (newValue != null) {
  46                 newValue = newValue.toUnit(Units.KILOWATT_HOUR);
  47             }
  48
  49             @SuppressWarnings("unchecked")
  50             QuantityType<Energy> oldValue = currentState.as(QuantityType.class);
  51
  52             if (oldValue != null) {
  53                 oldValue = oldValue.toUnit(Units.KILOWATT_HOUR);
  54             }
  55
  56             if ((newValue != null) && (oldValue != null)) {
  57                 if (newValue.compareTo(oldValue) < 0) {
  58                     if ((oldValue.subtract(newValue).doubleValue() < 1.0)) {
  59                         return UnDefType.UNDEF;
  60                     }
  61                 } else {
  62                     if (newValue.subtract(oldValue).doubleValue() > 10.0) {
  63                         return UnDefType.UNDEF;
  64                     }
  65                 }
  66             }
  67         }
  68
  69         return value;
  70     }
  71
  72     public static boolean validateUnscaledValue(int unscaledValue, double unscaledMin, double unscaledMax) {
  73         if (unscaledValue < unscaledMin) {
  74             logger.debug("Unscaled value ({}) lower than the minimum allowed ({})", unscaledValue, unscaledMin);
  75             return false;
  76         } else if (unscaledValue > unscaledMax) {
  77             logger.debug("Unscaled value ({}) bigger than the maximum allowed ({})", unscaledValue, unscaledMax);
  78             return false;
  79         }
  80
  81         return true;
  82     }
  83
  84     public static State calculateState(int unscaledValue, double scaledMin, double scaledMax, double unscaledMin,
  85             double unscaledMax, Unit<?> unit) {
  86         if (!validateUnscaledValue(unscaledValue, unscaledMin, unscaledMax)) {
  87             return UnDefType.UNDEF;
  88         }
  89
  90         double scaledValue = scaledMin + ((unscaledValue * (scaledMax - scaledMin)) / (unscaledMax - unscaledMin));
  91         return new QuantityType<>(scaledValue, unit);
  92     }
  93 }