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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.binding.bluetooth.airthings.internal;
  14
  15 import java.math.BigInteger;
  16
  17 import javax.measure.Unit;
  18 import javax.measure.quantity.Dimensionless;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.openhab.binding.bluetooth.BluetoothBindingConstants;
  22 import org.openhab.core.library.dimension.Density;
  23 import org.openhab.core.library.unit.SIUnits;
  24 import org.openhab.core.library.unit.Units;
  25 import org.openhab.core.thing.ThingTypeUID;
  26
  27 import tec.uom.se.format.SimpleUnitFormat;
  28 import tec.uom.se.function.RationalConverter;
  29 import tec.uom.se.unit.ProductUnit;
  30 import tec.uom.se.unit.TransformedUnit;
  31
  32 /**
  33  * The {@link AirthingsBindingConstants} class defines common constants, which are
  34  * used across the whole binding.
  35  *
  36  * @author Pauli Anttila - Initial contribution
  37  */
  38 @NonNullByDefault
  39 public class AirthingsBindingConstants {
  40
  41     // List of all Thing Type UIDs
  42     public static final ThingTypeUID THING_TYPE_AIRTHINGS_WAVE_PLUS = new ThingTypeUID(
  43             BluetoothBindingConstants.BINDING_ID, "airthings_wave_plus");
  44
  45     // Channel IDs
  46     public static final String CHANNEL_ID_HUMIDITY = "humidity";
  47     public static final String CHANNEL_ID_TEMPERATURE = "temperature";
  48     public static final String CHANNEL_ID_PRESSURE = "pressure";
  49     public static final String CHANNEL_ID_CO2 = "co2";
  50     public static final String CHANNEL_ID_TVOC = "tvoc";
  51     public static final String CHANNEL_ID_RADON_ST_AVG = "radon_st_avg";
  52     public static final String CHANNEL_ID_RADON_LT_AVG = "radon_lt_avg";
  53
  54     public static final Unit<Dimensionless> PARTS_PER_BILLION = new TransformedUnit<>(Units.ONE,
  55             new RationalConverter(BigInteger.ONE, BigInteger.valueOf(1000000000)));
  56     public static final Unit<Density> BECQUEREL_PER_CUBIC_METRE = new ProductUnit<>(
  57             Units.BECQUEREL.divide(SIUnits.CUBIC_METRE));
  58
  59     static {
  60         SimpleUnitFormat.getInstance().label(PARTS_PER_BILLION, "ppb");
  61         SimpleUnitFormat.getInstance().label(BECQUEREL_PER_CUBIC_METRE, "Bq/m³");
  62     }
  63 }