Examples with ChannelState org.eclipse.smarthome.binding.mqtt.generic.internal.generic.ChannelState used on opensource projects

Example 11 with ChannelState

use of org.eclipse.smarthome.binding.mqtt.generic.internal.generic.ChannelState in project smarthome by eclipse.

the class GenericThingHandler method initialize.

@Override
public void initialize() {
    List<ChannelUID> configErrors = new ArrayList<>();
    for (Channel channel : thing.getChannels()) {
        final ChannelTypeUID channelTypeUID = channel.getChannelTypeUID();
        if (channelTypeUID == null) {
            logger.warn("Channel {} has no type", channel.getLabel());
            continue;
        }
        final ChannelConfig channelConfig = channel.getConfiguration().as(ChannelConfig.class);
        try {
            Value value = ValueFactory.createValueState(channelConfig, channelTypeUID.getId());
            ChannelState channelState = createChannelState(channelConfig, channel.getUID(), value);
            channelStateByChannelUID.put(channel.getUID(), channelState);
            StateDescription description = value.createStateDescription(channelConfig.unit, StringUtils.isBlank(channelConfig.commandTopic));
            stateDescProvider.setDescription(channel.getUID(), description);
        } catch (IllegalArgumentException e) {
            logger.warn("Channel configuration error", e);
            configErrors.add(channel.getUID());
        }
    }
    // in question to the user.
    if (configErrors.isEmpty()) {
        super.initialize();
    } else {
        updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "Remove and recreate: " + configErrors.stream().map(e -> e.getAsString()).collect(Collectors.joining(",")));
    }
}

Example 12 with ChannelState

use of org.eclipse.smarthome.binding.mqtt.generic.internal.generic.ChannelState in project smarthome by eclipse.

the class Property method createChannelFromAttribute.

public void createChannelFromAttribute() {
    final String commandTopic = topic + "/set";
    final String stateTopic = topic;
    Value value;
    Boolean isDecimal = null;
    switch(attributes.datatype) {
        case boolean_:
            value = new OnOffValue("true", "false");
            break;
        case color_:
            value = new ColorValue(attributes.format.contains("rgb"), null, null, 100);
            break;
        case enum_:
            String[] enumValues = attributes.format.split(",");
            value = new TextValue(enumValues);
            break;
        case float_:
        case integer_:
            isDecimal = attributes.datatype == DataTypeEnum.float_;
            String[] s = attributes.format.split("\\:");
            BigDecimal min = s.length == 2 ? convertFromString(s[0]) : null;
            BigDecimal max = s.length == 2 ? convertFromString(s[1]) : null;
            BigDecimal step = (min != null && max != null) ? max.subtract(min).divide(new BigDecimal(100.0), new MathContext(isDecimal ? 2 : 0)) : null;
            if (step != null && !isDecimal && step.intValue() <= 0) {
                step = new BigDecimal(1);
            }
            value = new NumberValue(min, max, step);
            break;
        case string_:
        case unknown:
        default:
            value = new TextValue();
            break;
    }
    ChannelConfigBuilder b = ChannelConfigBuilder.create().makeTrigger(!attributes.retained).withStateTopic(stateTopic);
    if (isDecimal != null && !isDecimal) {
        // Apply formatter to only publish integers
        b = b.withFormatter("%d");
    }
    if (attributes.settable) {
        b = b.withCommandTopic(commandTopic);
    }
    final ChannelState channelState = new ChannelState(b.build(), channelUID, value, callback);
    this.channelState = channelState;
    final ChannelType type = createChannelType(attributes, channelState);
    this.type = type;
    this.channel = ChannelBuilder.create(channelUID, type.getItemType()).withType(type.getUID()).withKind(type.getKind()).withLabel(attributes.name).withConfiguration(new Configuration(attributes.asMap())).build();
}