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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.nikobus.internal.handler;
  14
  15 import java.util.concurrent.Future;
  16 import java.util.concurrent.TimeUnit;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.openhab.binding.nikobus.internal.protocol.SwitchModuleGroup;
  21 import org.openhab.binding.nikobus.internal.utils.Utils;
  22 import org.openhab.core.library.types.PercentType;
  23 import org.openhab.core.thing.Thing;
  24 import org.openhab.core.types.Command;
  25 import org.openhab.core.types.State;
  26
  27 /**
  28  * The {@link NikobusDimmerModuleHandler} is responsible for communication between Nikobus dim-controller and binding.
  29  *
  30  * @author Boris Krivonog - Initial contribution
  31  */
  32 @NonNullByDefault
  33 public class NikobusDimmerModuleHandler extends NikobusSwitchModuleHandler {
  34     private @Nullable Future<?> requestUpdateFuture;
  35
  36     public NikobusDimmerModuleHandler(Thing thing) {
  37         super(thing);
  38     }
  39
  40     @Override
  41     public void dispose() {
  42         Utils.cancel(requestUpdateFuture);
  43         requestUpdateFuture = null;
  44
  45         super.dispose();
  46     }
  47
  48     @Override
  49     public void requestStatus(SwitchModuleGroup group) {
  50         Utils.cancel(requestUpdateFuture);
  51         super.requestStatus(group);
  52         requestUpdateFuture = scheduler.schedule(() -> super.requestStatus(group), 1, TimeUnit.SECONDS);
  53     }
  54
  55     @Override
  56     protected int valueFromCommand(String channelId, Command command) {
  57         if (command instanceof PercentType percentCommand) {
  58             return Math.round(percentCommand.floatValue() / 100f * 255f);
  59         }
  60
  61         return super.valueFromCommand(channelId, command);
  62     }
  63
  64     @Override
  65     protected State stateFromValue(String channelId, int value) {
  66         int result = Math.round(value * 100f / 255f);
  67         return new PercentType(result);
  68     }
  69 }