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   1 /**
   2  * Copyright (c) 2010-2021 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.io.homekit.internal.accessories;
  14
  15 import java.math.BigDecimal;
  16 import java.util.List;
  17 import java.util.concurrent.CompletableFuture;
  18
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.openhab.core.library.types.DecimalType;
  21 import org.openhab.io.homekit.internal.HomekitAccessoryUpdater;
  22 import org.openhab.io.homekit.internal.HomekitCharacteristicType;
  23 import org.openhab.io.homekit.internal.HomekitSettings;
  24 import org.openhab.io.homekit.internal.HomekitTaggedItem;
  25
  26 import io.github.hapjava.accessories.TemperatureSensorAccessory;
  27 import io.github.hapjava.characteristics.HomekitCharacteristicChangeCallback;
  28 import io.github.hapjava.characteristics.impl.thermostat.TargetTemperatureCharacteristic;
  29 import io.github.hapjava.services.impl.TemperatureSensorService;
  30
  31 /**
  32  * Implements a HomeKit TemperatureSensor using a NumberItem
  33  *
  34  * @author Andy Lintner - Initial contribution
  35  */
  36 class HomekitTemperatureSensorImpl extends AbstractHomekitAccessoryImpl implements TemperatureSensorAccessory {
  37
  38     public HomekitTemperatureSensorImpl(HomekitTaggedItem taggedItem, List<HomekitTaggedItem> mandatoryCharacteristics,
  39             HomekitAccessoryUpdater updater, HomekitSettings settings) {
  40         super(taggedItem, mandatoryCharacteristics, updater, settings);
  41         getServices().add(new TemperatureSensorService(this));
  42     }
  43
  44     @Override
  45     public CompletableFuture<Double> getCurrentTemperature() {
  46         final @Nullable DecimalType state = getStateAs(HomekitCharacteristicType.CURRENT_TEMPERATURE,
  47                 DecimalType.class);
  48         return CompletableFuture.completedFuture(state != null ? convertToCelsius(state.doubleValue()) : 0.0);
  49     }
  50
  51     @Override
  52     public void subscribeCurrentTemperature(HomekitCharacteristicChangeCallback callback) {
  53         subscribe(HomekitCharacteristicType.CURRENT_TEMPERATURE, callback);
  54     }
  55
  56     @Override
  57     public double getMinCurrentTemperature() {
  58         return convertToCelsius(
  59                 getAccessoryConfiguration(HomekitCharacteristicType.CURRENT_TEMPERATURE, HomekitTaggedItem.MIN_VALUE,
  60                         BigDecimal.valueOf(TargetTemperatureCharacteristic.DEFAULT_MIN_VALUE)).doubleValue());
  61     }
  62
  63     @Override
  64     public double getMaxCurrentTemperature() {
  65         return convertToCelsius(
  66                 getAccessoryConfiguration(HomekitCharacteristicType.CURRENT_TEMPERATURE, HomekitTaggedItem.MAX_VALUE,
  67                         BigDecimal.valueOf(TargetTemperatureCharacteristic.DEFAULT_MAX_VALUE)).doubleValue());
  68     }
  69
  70     @Override
  71     public double getMinStepCurrentTemperature() {
  72         return getAccessoryConfiguration(HomekitCharacteristicType.CURRENT_TEMPERATURE, HomekitTaggedItem.STEP,
  73                 BigDecimal.valueOf(TargetTemperatureCharacteristic.DEFAULT_STEP)).doubleValue();
  74     }
  75
  76     @Override
  77     public void unsubscribeCurrentTemperature() {
  78         unsubscribe(HomekitCharacteristicType.CURRENT_TEMPERATURE);
  79     }
  80 }