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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.io.homekit.internal.accessories;
  14
  15 import static org.openhab.io.homekit.internal.HomekitCharacteristicType.FILTER_CHANGE_INDICATION;
  16
  17 import java.util.List;
  18 import java.util.concurrent.CompletableFuture;
  19
  20 import org.openhab.io.homekit.internal.HomekitAccessoryUpdater;
  21 import org.openhab.io.homekit.internal.HomekitSettings;
  22 import org.openhab.io.homekit.internal.HomekitTaggedItem;
  23
  24 import io.github.hapjava.accessories.FilterMaintenanceAccessory;
  25 import io.github.hapjava.characteristics.HomekitCharacteristicChangeCallback;
  26 import io.github.hapjava.characteristics.impl.filtermaintenance.FilterChangeIndicationEnum;
  27 import io.github.hapjava.services.impl.FilterMaintenanceService;
  28
  29 /**
  30  * Implements filter maintenance indicator
  31  *
  32  * @author Eugen Freiter - Initial contribution
  33  */
  34 public class HomekitFilterMaintenanceImpl extends AbstractHomekitAccessoryImpl implements FilterMaintenanceAccessory {
  35     private BooleanItemReader filterChangeIndication;
  36
  37     public HomekitFilterMaintenanceImpl(HomekitTaggedItem taggedItem, List<HomekitTaggedItem> mandatoryCharacteristics,
  38             HomekitAccessoryUpdater updater, HomekitSettings settings) throws IncompleteAccessoryException {
  39         super(taggedItem, mandatoryCharacteristics, updater, settings);
  40         filterChangeIndication = createBooleanReader(FILTER_CHANGE_INDICATION);
  41         getServices().add(new FilterMaintenanceService(this));
  42     }
  43
  44     @Override
  45     public CompletableFuture<FilterChangeIndicationEnum> getFilterChangeIndication() {
  46         return CompletableFuture
  47                 .completedFuture(filterChangeIndication.getValue() ? FilterChangeIndicationEnum.CHANGE_NEEDED
  48                         : FilterChangeIndicationEnum.NO_CHANGE_NEEDED);
  49     }
  50
  51     @Override
  52     public void subscribeFilterChangeIndication(final HomekitCharacteristicChangeCallback callback) {
  53         subscribe(FILTER_CHANGE_INDICATION, callback);
  54     }
  55
  56     @Override
  57     public void unsubscribeFilterChangeIndication() {
  58         unsubscribe(FILTER_CHANGE_INDICATION);
  59     }
  60 }