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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.enocean.internal.eep;
  14
  15 import javax.measure.quantity.Energy;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.binding.enocean.internal.config.EnOceanChannelTotalusageConfig;
  20 import org.openhab.core.config.core.Configuration;
  21 import org.openhab.core.library.types.QuantityType;
  22 import org.openhab.core.library.unit.Units;
  23 import org.openhab.core.types.State;
  24 import org.openhab.core.types.UnDefType;
  25
  26 /**
  27  *
  28  * @author Dominik Vorreiter - initial contribution
  29  *
  30  */
  31 @NonNullByDefault
  32 public abstract class EEPHelper {
  33     public static State validateTotalUsage(State value, @Nullable State currentState, Configuration config) {
  34         EnOceanChannelTotalusageConfig c = config.as(EnOceanChannelTotalusageConfig.class);
  35
  36         if (c.validateValue && (value instanceof QuantityType) && (currentState instanceof QuantityType)) {
  37             @SuppressWarnings("unchecked")
  38             QuantityType<Energy> newValue = value.as(QuantityType.class);
  39
  40             if (newValue != null) {
  41                 newValue = newValue.toUnit(Units.KILOWATT_HOUR);
  42             }
  43
  44             @SuppressWarnings("unchecked")
  45             QuantityType<Energy> oldValue = currentState.as(QuantityType.class);
  46
  47             if (oldValue != null) {
  48                 oldValue = oldValue.toUnit(Units.KILOWATT_HOUR);
  49             }
  50
  51             if ((newValue != null) && (oldValue != null)) {
  52                 if (newValue.compareTo(oldValue) < 0) {
  53                     if ((oldValue.subtract(newValue).doubleValue() < 1.0)) {
  54                         return UnDefType.UNDEF;
  55                     }
  56                 } else {
  57                     if (newValue.subtract(oldValue).doubleValue() > 10.0) {
  58                         return UnDefType.UNDEF;
  59                     }
  60                 }
  61             }
  62         }
  63
  64         return value;
  65     }
  66 }