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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.homematic.internal.handler;
  14
  15 import static org.openhab.binding.homematic.internal.HomematicBindingConstants.*;
  16 import static org.openhab.binding.homematic.internal.misc.HomematicConstants.*;
  17
  18 import java.io.IOException;
  19 import java.math.BigDecimal;
  20 import java.util.ArrayList;
  21 import java.util.HashMap;
  22 import java.util.Iterator;
  23 import java.util.List;
  24 import java.util.Map;
  25 import java.util.Map.Entry;
  26 import java.util.Objects;
  27 import java.util.concurrent.Future;
  28
  29 import org.openhab.binding.homematic.internal.HomematicBindingConstants;
  30 import org.openhab.binding.homematic.internal.common.HomematicConfig;
  31 import org.openhab.binding.homematic.internal.communicator.HomematicGateway;
  32 import org.openhab.binding.homematic.internal.converter.ConverterException;
  33 import org.openhab.binding.homematic.internal.converter.ConverterFactory;
  34 import org.openhab.binding.homematic.internal.converter.ConverterTypeException;
  35 import org.openhab.binding.homematic.internal.converter.TypeConverter;
  36 import org.openhab.binding.homematic.internal.misc.HomematicClientException;
  37 import org.openhab.binding.homematic.internal.misc.HomematicConstants;
  38 import org.openhab.binding.homematic.internal.model.HmChannel;
  39 import org.openhab.binding.homematic.internal.model.HmDatapoint;
  40 import org.openhab.binding.homematic.internal.model.HmDatapointConfig;
  41 import org.openhab.binding.homematic.internal.model.HmDatapointInfo;
  42 import org.openhab.binding.homematic.internal.model.HmDevice;
  43 import org.openhab.binding.homematic.internal.model.HmParamsetType;
  44 import org.openhab.binding.homematic.internal.type.HomematicChannelTypeProvider;
  45 import org.openhab.binding.homematic.internal.type.HomematicTypeGeneratorImpl;
  46 import org.openhab.binding.homematic.internal.type.MetadataUtils;
  47 import org.openhab.binding.homematic.internal.type.UidUtils;
  48 import org.openhab.core.config.core.Configuration;
  49 import org.openhab.core.config.core.validation.ConfigValidationException;
  50 import org.openhab.core.library.types.OnOffType;
  51 import org.openhab.core.library.types.StopMoveType;
  52 import org.openhab.core.thing.Bridge;
  53 import org.openhab.core.thing.Channel;
  54 import org.openhab.core.thing.ChannelUID;
  55 import org.openhab.core.thing.Thing;
  56 import org.openhab.core.thing.ThingStatus;
  57 import org.openhab.core.thing.ThingStatusDetail;
  58 import org.openhab.core.thing.binding.BaseThingHandler;
  59 import org.openhab.core.thing.binding.ThingHandler;
  60 import org.openhab.core.thing.binding.builder.ChannelBuilder;
  61 import org.openhab.core.thing.type.ChannelType;
  62 import org.openhab.core.thing.type.ChannelTypeUID;
  63 import org.openhab.core.types.Command;
  64 import org.openhab.core.types.RefreshType;
  65 import org.openhab.core.types.State;
  66 import org.slf4j.Logger;
  67 import org.slf4j.LoggerFactory;
  68
  69 /**
  70  * The {@link HomematicThingHandler} is responsible for handling commands, which are sent to one of the channels.
  71  *
  72  * @author Gerhard Riegler - Initial contribution
  73  */
  74 public class HomematicThingHandler extends BaseThingHandler {
  75     private final Logger logger = LoggerFactory.getLogger(HomematicThingHandler.class);
  76     private final HomematicChannelTypeProvider channelTypeProvider;
  77     private Future<?> initFuture;
  78     private final Object initLock = new Object();
  79     private volatile boolean deviceDeletionPending = false;
  80
  81     public HomematicThingHandler(Thing thing, HomematicChannelTypeProvider channelTypeProvider) {
  82         super(thing);
  83         this.channelTypeProvider = channelTypeProvider;
  84     }
  85
  86     @Override
  87     public void initialize() {
  88         if (initFuture != null) {
  89             return;
  90         }
  91
  92         initFuture = scheduler.submit(() -> {
  93             initFuture = null;
  94             try {
  95                 synchronized (initLock) {
  96                     doInitializeInBackground();
  97                 }
  98             } catch (HomematicClientException ex) {
  99                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, ex.getMessage());
 100             } catch (IOException ex) {
 101                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, ex.getMessage());
 102             } catch (GatewayNotAvailableException ex) {
 103                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_OFFLINE, ex.getMessage());
 104             } catch (Exception ex) {
 105                 logger.error("{}", ex.getMessage(), ex);
 106                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.NONE, ex.getMessage());
 107             }
 108         });
 109     }
 110
 111     private void doInitializeInBackground() throws GatewayNotAvailableException, HomematicClientException, IOException {
 112         HomematicGateway gateway = getHomematicGateway();
 113         HmDevice device = gateway.getDevice(UidUtils.getHomematicAddress(getThing()));
 114         HmChannel channelZero = device.getChannel(0);
 115         loadHomematicChannelValues(channelZero);
 116         updateStatus(device);
 117         logger.debug("Initializing thing '{}' from gateway '{}'", getThing().getUID(), gateway.getId());
 118
 119         // update properties
 120         Map<String, String> properties = editProperties();
 121         setProperty(properties, channelZero, PROPERTY_BATTERY_TYPE, VIRTUAL_DATAPOINT_NAME_BATTERY_TYPE);
 122         setProperty(properties, channelZero, Thing.PROPERTY_FIRMWARE_VERSION, VIRTUAL_DATAPOINT_NAME_FIRMWARE);
 123         setProperty(properties, channelZero, Thing.PROPERTY_SERIAL_NUMBER, device.getAddress());
 124         setProperty(properties, channelZero, PROPERTY_AES_KEY, DATAPOINT_NAME_AES_KEY);
 125         updateProperties(properties);
 126
 127         // update data point list for reconfigurable channels
 128         for (HmChannel channel : device.getChannels()) {
 129             if (channel.isReconfigurable()) {
 130                 loadHomematicChannelValues(channel);
 131                 if (channel.checkForChannelFunctionChange()) {
 132                     gateway.updateChannelValueDatapoints(channel);
 133                 }
 134             }
 135         }
 136
 137         // update configurations
 138         Configuration config = editConfiguration();
 139         for (HmChannel channel : device.getChannels()) {
 140             loadHomematicChannelValues(channel);
 141             for (HmDatapoint dp : channel.getDatapoints()) {
 142                 if (dp.getParamsetType() == HmParamsetType.MASTER) {
 143                     config.put(MetadataUtils.getParameterName(dp),
 144                             dp.isEnumType() ? dp.getOptionValue() : dp.getValue());
 145                 }
 146             }
 147         }
 148         updateConfiguration(config);
 149
 150         // update thing channel list for reconfigurable channels (relies on the new value of the
 151         // CHANNEL_FUNCTION datapoint fetched during configuration update)
 152         List<Channel> thingChannels = new ArrayList<>(getThing().getChannels());
 153         if (updateDynamicChannelList(device, thingChannels)) {
 154             updateThing(editThing().withChannels(thingChannels).build());
 155         }
 156
 157         thingChannels.forEach(channel -> {
 158             if (isLinked(channel.getUID())) {
 159                 channelLinked(channel.getUID());
 160             }
 161         });
 162     }
 163
 164     /**
 165      * Update the given thing channel list to reflect the device's current datapoint set
 166      *
 167      * @return true if the list was modified, false if it was not modified
 168      */
 169     private boolean updateDynamicChannelList(HmDevice device, List<Channel> thingChannels) {
 170         boolean changed = false;
 171         for (HmChannel channel : device.getChannels()) {
 172             if (!channel.isReconfigurable()) {
 173                 continue;
 174             }
 175             final String expectedFunction = channel
 176                     .getDatapoint(HmParamsetType.MASTER, HomematicConstants.DATAPOINT_NAME_CHANNEL_FUNCTION)
 177                     .getOptionValue();
 178             final String propertyName = String.format(PROPERTY_DYNAMIC_FUNCTION_FORMAT, channel.getNumber());
 179
 180             // remove thing channels that were configured for a different function
 181             Iterator<Channel> channelIter = thingChannels.iterator();
 182             while (channelIter.hasNext()) {
 183                 Map<String, String> properties = channelIter.next().getProperties();
 184                 String function = properties.get(propertyName);
 185                 if (function != null && !function.equals(expectedFunction)) {
 186                     channelIter.remove();
 187                     changed = true;
 188                 }
 189             }
 190             for (HmDatapoint dp : channel.getDatapoints()) {
 191                 if (HomematicTypeGeneratorImpl.isIgnoredDatapoint(dp)
 192                         || dp.getParamsetType() != HmParamsetType.VALUES) {
 193                     continue;
 194                 }
 195                 ChannelUID channelUID = UidUtils.generateChannelUID(dp, getThing().getUID());
 196                 if (containsChannel(thingChannels, channelUID)) {
 197                     // Channel is already present -> channel configuration likely hasn't changed
 198                     continue;
 199                 }
 200
 201                 Map<String, String> channelProps = new HashMap<>();
 202                 channelProps.put(propertyName, expectedFunction);
 203
 204                 ChannelTypeUID channelTypeUID = UidUtils.generateChannelTypeUID(dp);
 205                 ChannelType channelType = channelTypeProvider.getInternalChannelType(channelTypeUID);
 206                 if (channelType == null) {
 207                     channelType = HomematicTypeGeneratorImpl.createChannelType(dp, channelTypeUID);
 208                     channelTypeProvider.addChannelType(channelType);
 209                 }
 210
 211                 Channel thingChannel = ChannelBuilder.create(channelUID, MetadataUtils.getItemType(dp))
 212                         .withProperties(channelProps).withLabel(MetadataUtils.getLabel(dp))
 213                         .withDescription(MetadataUtils.getDatapointDescription(dp)).withType(channelType.getUID())
 214                         .build();
 215                 thingChannels.add(thingChannel);
 216                 changed = true;
 217             }
 218         }
 219
 220         return changed;
 221     }
 222
 223     /**
 224      * Checks whether the given list includes a channel with the given UID
 225      */
 226     private static boolean containsChannel(List<Channel> channels, ChannelUID channelUID) {
 227         for (Channel channel : channels) {
 228             ChannelUID uid = channel.getUID();
 229             if (Objects.equals(channelUID.getGroupId(), uid.getGroupId())
 230                     && Objects.equals(channelUID.getId(), uid.getId())) {
 231                 return true;
 232             }
 233         }
 234         return false;
 235     }
 236
 237     /**
 238      * Sets a thing property with a datapoint value.
 239      */
 240     private void setProperty(Map<String, String> properties, HmChannel channelZero, String propertyName,
 241             String datapointName) {
 242         HmDatapoint dp = channelZero
 243                 .getDatapoint(new HmDatapointInfo(HmParamsetType.VALUES, channelZero, datapointName));
 244         if (dp != null) {
 245             properties.put(propertyName, Objects.toString(dp.getValue(), ""));
 246         }
 247     }
 248
 249     @Override
 250     public void channelLinked(ChannelUID channelUID) {
 251         handleRefresh(channelUID);
 252     }
 253
 254     /**
 255      * Updates the state of the given channel.
 256      */
 257     protected void handleRefresh(ChannelUID channelUID) {
 258         try {
 259             if (thing.getStatus() == ThingStatus.ONLINE) {
 260                 logger.debug("Updating channel '{}' from thing id '{}'", channelUID, getThing().getUID().getId());
 261                 updateChannelState(channelUID);
 262             }
 263         } catch (Exception ex) {
 264             logger.warn("{}", ex.getMessage());
 265         }
 266     }
 267
 268     @Override
 269     public void handleCommand(ChannelUID channelUID, Command command) {
 270         logger.debug("Received command '{}' for channel '{}'", command, channelUID);
 271         HmDatapoint dp = null;
 272         try {
 273             HomematicGateway gateway = getHomematicGateway();
 274             HmDatapointInfo dpInfo = UidUtils.createHmDatapointInfo(channelUID);
 275             if (RefreshType.REFRESH == command) {
 276                 logger.debug("Refreshing {}", dpInfo);
 277                 dpInfo = new HmDatapointInfo(dpInfo.getAddress(), HmParamsetType.VALUES, 0,
 278                         VIRTUAL_DATAPOINT_NAME_RELOAD_FROM_GATEWAY);
 279                 dp = gateway.getDatapoint(dpInfo);
 280                 sendDatapoint(dp, new HmDatapointConfig(), Boolean.TRUE);
 281             } else {
 282                 Channel channel = getThing().getChannel(channelUID.getId());
 283                 if (channel == null) {
 284                     logger.warn("Channel '{}' not found in thing '{}' on gateway '{}'", channelUID, getThing().getUID(),
 285                             gateway.getId());
 286                 } else {
 287                     if (StopMoveType.STOP == command && DATAPOINT_NAME_LEVEL.equals(dpInfo.getName())) {
 288                         // special case with stop type (rollershutter)
 289                         dpInfo.setName(DATAPOINT_NAME_STOP);
 290                         HmDatapoint stopDp = gateway.getDatapoint(dpInfo);
 291                         ChannelUID stopChannelUID = UidUtils.generateChannelUID(stopDp, getThing().getUID());
 292                         handleCommand(stopChannelUID, OnOffType.ON);
 293                     } else {
 294                         dp = gateway.getDatapoint(dpInfo);
 295                         TypeConverter<?> converter = ConverterFactory.createConverter(channel.getAcceptedItemType());
 296                         Object newValue = converter.convertToBinding(command, dp);
 297                         HmDatapointConfig config = getChannelConfig(channel, dp);
 298                         sendDatapoint(dp, config, newValue);
 299                     }
 300                 }
 301             }
 302         } catch (HomematicClientException | GatewayNotAvailableException ex) {
 303             logger.warn("{}", ex.getMessage());
 304         } catch (IOException ex) {
 305             if (dp != null && dp.getChannel().getDevice().isOffline()) {
 306                 logger.warn("Device '{}' is OFFLINE, can't send command '{}' for channel '{}'",
 307                         dp.getChannel().getDevice().getAddress(), command, channelUID);
 308                 logger.trace("{}", ex.getMessage(), ex);
 309             } else {
 310                 logger.error("{}", ex.getMessage(), ex);
 311             }
 312         } catch (ConverterTypeException ex) {
 313             logger.warn("{}, please check the item type and the commands in your scripts", ex.getMessage());
 314         } catch (Exception ex) {
 315             logger.error("{}", ex.getMessage(), ex);
 316         }
 317     }
 318
 319     private void sendDatapoint(HmDatapoint dp, HmDatapointConfig config, Object newValue)
 320             throws IOException, HomematicClientException, GatewayNotAvailableException {
 321         String rxMode = getRxModeForDatapointTransmission(dp.getName(), dp.getValue(), newValue);
 322         getHomematicGateway().sendDatapoint(dp, config, newValue, rxMode);
 323     }
 324
 325     /**
 326      * Returns the rx mode that shall be used for transmitting a new value of a datapoint to the device. The
 327      * HomematicThingHandler always uses the default rx mode; custom thing handlers can override this method to
 328      * adjust the rx mode.
 329      *
 330      * @param datapointName The datapoint that will be updated on the device
 331      * @param currentValue The current value of the datapoint
 332      * @param newValue The value that will be sent to the device
 333      * @return The rxMode ({@link HomematicBindingConstants#RX_BURST_MODE "BURST"} for burst mode,
 334      *         {@link HomematicBindingConstants#RX_WAKEUP_MODE "WAKEUP"} for wakeup mode, or null for the default mode)
 335      */
 336     protected String getRxModeForDatapointTransmission(String datapointName, Object currentValue, Object newValue) {
 337         return null;
 338     }
 339
 340     /**
 341      * Evaluates the channel and datapoint for this channelUID and updates the state of the channel.
 342      */
 343     private void updateChannelState(ChannelUID channelUID)
 344             throws GatewayNotAvailableException, HomematicClientException, IOException, ConverterException {
 345         HomematicGateway gateway = getHomematicGateway();
 346         HmDatapointInfo dpInfo = UidUtils.createHmDatapointInfo(channelUID);
 347         HmDatapoint dp = gateway.getDatapoint(dpInfo);
 348         Channel channel = getThing().getChannel(channelUID.getId());
 349         updateChannelState(dp, channel);
 350     }
 351
 352     /**
 353      * Sets the configuration or evaluates the channel for this datapoint and updates the state of the channel.
 354      */
 355     protected void updateDatapointState(HmDatapoint dp) {
 356         try {
 357             updateStatus(dp.getChannel().getDevice());
 358
 359             if (dp.getParamsetType() == HmParamsetType.MASTER) {
 360                 // update configuration
 361                 Configuration config = editConfiguration();
 362                 config.put(MetadataUtils.getParameterName(dp), dp.isEnumType() ? dp.getOptionValue() : dp.getValue());
 363                 updateConfiguration(config);
 364             } else if (!HomematicTypeGeneratorImpl.isIgnoredDatapoint(dp)) {
 365                 // update channel
 366                 ChannelUID channelUID = UidUtils.generateChannelUID(dp, thing.getUID());
 367                 Channel channel = thing.getChannel(channelUID.getId());
 368                 if (channel != null) {
 369                     updateChannelState(dp, channel);
 370                 } else {
 371                     logger.warn("Channel not found for datapoint '{}'", new HmDatapointInfo(dp));
 372                 }
 373             }
 374         } catch (GatewayNotAvailableException ex) {
 375             // ignore
 376         } catch (Exception ex) {
 377             logger.error("{}", ex.getMessage(), ex);
 378         }
 379     }
 380
 381     /**
 382      * Converts the value of the datapoint to a State, updates the channel and also sets the thing status if necessary.
 383      */
 384     private void updateChannelState(final HmDatapoint dp, Channel channel)
 385             throws IOException, GatewayNotAvailableException, ConverterException {
 386         if (dp.isTrigger()) {
 387             if (dp.getValue() != null) {
 388                 triggerChannel(channel.getUID(), dp.getValue() == null ? "" : dp.getValue().toString());
 389             }
 390         } else if (isLinked(channel)) {
 391             loadHomematicChannelValues(dp.getChannel());
 392
 393             TypeConverter<?> converter = ConverterFactory.createConverter(channel.getAcceptedItemType());
 394             State state = converter.convertFromBinding(dp);
 395             if (state != null) {
 396                 updateState(channel.getUID(), state);
 397             } else {
 398                 logger.debug("Failed to get converted state from datapoint '{}'", dp.getName());
 399             }
 400         }
 401     }
 402
 403     /**
 404      * Loads all values for the given Homematic channel if it is not initialized.
 405      */
 406     private void loadHomematicChannelValues(HmChannel hmChannel) throws GatewayNotAvailableException, IOException {
 407         if (!hmChannel.isInitialized()) {
 408             synchronized (this) {
 409                 if (!hmChannel.isInitialized()) {
 410                     try {
 411                         getHomematicGateway().loadChannelValues(hmChannel);
 412                     } catch (IOException ex) {
 413                         if (hmChannel.getDevice().isOffline()) {
 414                             logger.warn("Device '{}' is OFFLINE, can't update channel '{}'",
 415                                     hmChannel.getDevice().getAddress(), hmChannel.getNumber());
 416                         } else {
 417                             throw ex;
 418                         }
 419                     }
 420                 }
 421             }
 422         }
 423     }
 424
 425     /**
 426      * Updates the thing status based on device status.
 427      */
 428     private void updateStatus(HmDevice device) throws GatewayNotAvailableException, IOException {
 429         loadHomematicChannelValues(device.getChannel(0));
 430
 431         ThingStatus oldStatus = thing.getStatus();
 432         if (oldStatus == ThingStatus.UNINITIALIZED) {
 433             return;
 434         }
 435         ThingStatus newStatus = ThingStatus.ONLINE;
 436         ThingStatusDetail newDetail = ThingStatusDetail.NONE;
 437
 438         if ((getBridge() != null) && (getBridge().getStatus() == ThingStatus.OFFLINE)) {
 439             newStatus = ThingStatus.OFFLINE;
 440             newDetail = ThingStatusDetail.BRIDGE_OFFLINE;
 441         } else if (device.isFirmwareUpdating()) {
 442             newStatus = ThingStatus.OFFLINE;
 443             newDetail = ThingStatusDetail.FIRMWARE_UPDATING;
 444         } else if (device.isUnreach()) {
 445             newStatus = ThingStatus.OFFLINE;
 446             newDetail = ThingStatusDetail.COMMUNICATION_ERROR;
 447         } else if (device.isConfigPending() || device.isUpdatePending()) {
 448             newDetail = ThingStatusDetail.CONFIGURATION_PENDING;
 449         }
 450
 451         if (thing.getStatus() != newStatus || thing.getStatusInfo().getStatusDetail() != newDetail) {
 452             updateStatus(newStatus, newDetail);
 453         }
 454         if (oldStatus == ThingStatus.OFFLINE && newStatus == ThingStatus.ONLINE) {
 455             initialize();
 456         }
 457     }
 458
 459     /**
 460      * Returns true, if the channel is linked at least to one item.
 461      */
 462     private boolean isLinked(Channel channel) {
 463         return channel != null && super.isLinked(channel.getUID().getId());
 464     }
 465
 466     /**
 467      * Returns the channel config for the given datapoint.
 468      */
 469     protected HmDatapointConfig getChannelConfig(HmDatapoint dp) {
 470         ChannelUID channelUid = UidUtils.generateChannelUID(dp, getThing().getUID());
 471         Channel channel = getThing().getChannel(channelUid.getId());
 472         return channel != null ? getChannelConfig(channel, dp) : new HmDatapointConfig();
 473     }
 474
 475     /**
 476      * Returns the config for a channel.
 477      */
 478     private HmDatapointConfig getChannelConfig(Channel channel, HmDatapoint dp) {
 479         return channel.getConfiguration().as(HmDatapointConfig.class);
 480     }
 481
 482     /**
 483      * Returns the Homematic gateway if the bridge is available.
 484      */
 485     private HomematicGateway getHomematicGateway() throws GatewayNotAvailableException {
 486         final Bridge bridge = getBridge();
 487         if (bridge != null) {
 488             HomematicBridgeHandler bridgeHandler = (HomematicBridgeHandler) bridge.getHandler();
 489             if (bridgeHandler != null && bridgeHandler.getGateway() != null) {
 490                 return bridgeHandler.getGateway();
 491             }
 492         }
 493
 494         throw new GatewayNotAvailableException("HomematicGateway not yet available!");
 495     }
 496
 497     @Override
 498     public void handleConfigurationUpdate(Map<String, Object> configurationParameters)
 499             throws ConfigValidationException {
 500         super.handleConfigurationUpdate(configurationParameters);
 501
 502         try {
 503             HomematicGateway gateway = getHomematicGateway();
 504             HmDevice device = gateway.getDevice(UidUtils.getHomematicAddress(getThing()));
 505
 506             for (Entry<String, Object> configurationParameter : configurationParameters.entrySet()) {
 507                 String key = configurationParameter.getKey();
 508                 Object newValue = configurationParameter.getValue();
 509
 510                 if (key.startsWith("HMP_")) {
 511                     key = key.substring(4);
 512                     int sepPos = key.indexOf("_");
 513                     Integer channelNumber = Integer.valueOf(key.substring(0, sepPos));
 514                     String dpName = key.substring(sepPos + 1);
 515
 516                     HmDatapointInfo dpInfo = new HmDatapointInfo(device.getAddress(), HmParamsetType.MASTER,
 517                             channelNumber, dpName);
 518                     HmDatapoint dp = device.getChannel(channelNumber).getDatapoint(dpInfo);
 519
 520                     if (dp != null) {
 521                         try {
 522                             if (newValue != null) {
 523                                 if (newValue instanceof BigDecimal) {
 524                                     final BigDecimal decimal = (BigDecimal) newValue;
 525                                     if (dp.isIntegerType()) {
 526                                         newValue = decimal.intValue();
 527                                     } else if (dp.isFloatType()) {
 528                                         newValue = decimal.doubleValue();
 529                                     }
 530                                 }
 531                                 if (!Objects.equals(dp.isEnumType() ? dp.getOptionValue() : dp.getValue(), newValue)) {
 532                                     sendDatapoint(dp, new HmDatapointConfig(), newValue);
 533                                 }
 534                             }
 535                         } catch (IOException ex) {
 536                             logger.error("Error setting thing property {}: {}", dpInfo, ex.getMessage());
 537                         }
 538                     } else {
 539                         logger.error("Can't find datapoint for thing property {}", dpInfo);
 540                     }
 541                 }
 542             }
 543             gateway.triggerDeviceValuesReload(device);
 544         } catch (HomematicClientException | GatewayNotAvailableException ex) {
 545             logger.error("Error setting thing properties: {}", ex.getMessage(), ex);
 546         }
 547     }
 548
 549     @SuppressWarnings("null")
 550     @Override
 551     public synchronized void handleRemoval() {
 552         final Bridge bridge;
 553         final ThingHandler handler;
 554
 555         if ((bridge = getBridge()) == null || (handler = bridge.getHandler()) == null) {
 556             super.handleRemoval();
 557             return;
 558         }
 559
 560         final HomematicConfig config = bridge.getConfiguration().as(HomematicConfig.class);
 561         final boolean factoryResetOnDeletion = config.isFactoryResetOnDeletion();
 562         final boolean unpairOnDeletion = factoryResetOnDeletion || config.isUnpairOnDeletion();
 563
 564         if (unpairOnDeletion) {
 565             deviceDeletionPending = true;
 566             ((HomematicBridgeHandler) handler).deleteFromGateway(UidUtils.getHomematicAddress(thing),
 567                     factoryResetOnDeletion, false, true);
 568         } else {
 569             super.handleRemoval();
 570         }
 571     }
 572
 573     /**
 574      * Called by the bridgeHandler when this device has been removed from the gateway.
 575      */
 576     public synchronized void deviceRemoved() {
 577         deviceDeletionPending = false;
 578         if (getThing().getStatus() == ThingStatus.REMOVING) {
 579             // thing removal was initiated
 580             updateStatus(ThingStatus.REMOVED);
 581         } else {
 582             // device removal was initiated on homematic side, thing is not removed
 583             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.GONE);
 584         }
 585     }
 586
 587     /**
 588      * Called by the bridgeHandler when the device for this thing has been added to the gateway.
 589      * This is used to reconnect a device that was previously unpaired.
 590      *
 591      * @param device The device that has been added to the gateway
 592      */
 593     public void deviceLoaded(HmDevice device) {
 594         try {
 595             updateStatus(device);
 596         } catch (GatewayNotAvailableException ex) {
 597             // ignore
 598         } catch (IOException ex) {
 599             logger.warn("Could not reinitialize the device '{}': {}", device.getAddress(), ex.getMessage(), ex);
 600         }
 601     }
 602
 603     /**
 604      * Returns whether the device deletion is pending.
 605      *
 606      * @return true, if the deletion of this device on its gateway has been triggered but has not yet completed
 607      */
 608     public synchronized boolean isDeletionPending() {
 609         return deviceDeletionPending;
 610     }
 611 }