Openhab convert item state to number. To use the state of an Item in rules it is often necessary to know what type of state the Item is carrying and how to convert it into types that can be used in such operations. The use of profiles can be interesting if you want to convert numbers. They are often useful, to interpret received Item values, like sensor readings or state variables, and to translate them into a human-readable or better processible format. Sep 17, 2024 · As discussed in the release notes, persistence actions now return values with units if the Item itself has units. Aug 1, 2025 · I am still new to openHAB. In DSL it was fairly simple var i = vCounter. Instead of returning just the raw number retrieved from persistence, they now return a State. They are often useful, to interpret received Item values, like sensor readings or state variables, and to translate them into a human-readable or better processable format. Unfortunately Rules DSL is often pretty poor at looking both up and down the class hierarchy Jul 15, 2017 · Cannot convert from state to number Setup, Configuration and Use Scripts & Rules paulmann (Brian Paulmann) July 15, 2017, 5:23am Items can be Strings, Numbers, Switches or one of a few other basic Item types. The item must be of the expected type. I am struggling to convert a thing with a number output to a string item using the UI. Examples: Translation of a technical Binding output, e. However in JS: var i = items. QuantityType Bindings use the QuantityType to post updates of sensor Jan 12, 2021 · I just changed it to Number ONLY. vCounter. The thing is a number representing a device status. Folgende rule habe ich hierfür erstellt: Code: Select all rule "integer" when Item PVPower changed then val PVInteger = Integer::parseInt(PVPower. numericState and . A programmer can compare Item types with base variable data types of a programming language. , "CLOSED" can be Aug 23, 2018 · Is it possible to cast String into Number in channel? Unfortunately no. numericState + 1; results in a decimal value (5. Maybe it will do some casting in the background then? Apr 4, 2017 · OH2 convert item state ( String to Number ) Setup, Configuration and Use Scripts & Rules rene54321 (Rene54321) April 4, 2017, 8:27am. state as Number + 1 The result was an integer value as the item holds an integer value (5). As part of this change, the type returned by a bunch of the persitence calls has changed too. Aug 23, 2018 · Is it possible to cast String into Number in channel? Unfortunately no. Transformations Transformations are used to translate data from a cluttered or technical raw value to a processed or human-readable representation. In the example above, the item type must be a string. Dec 15, 2023 · Hallo zusammen, für ein Widget benötige ich ein Wert aus einem item als Integer. You can set up proxy item and rule but you can only link a String item to that channel. state will be interpreted as string variable Items can be Strings, Numbers, Switches or one of a few other basic Item types. “1. quantityState to the Item class which greatly simplify converting an Item's state into a format needed to do math in rules. g. , "CLOSED" can be Settings - Transformations Transformations convert a value or Item state into a different value or state. However, even if I change the item to become Number only the comparison still doesn’t work in Blockly. Units Of Measurement To express measured values in a scientific correct unit the framework supports units of measurement. With the transformation profile, the item can also be of any type, but the transformation will need to return something suitable for that type, e. Dec 5, 2021 · Why is it necessary to convert a number item to a number? I think that temperatur = TemperatureItem. 0) What do I need to change? Aug 7, 2022 · With displayStates the item can be of any type as the displayState is always a string. hkoyj hnkp idko bzfx jrgq qvitz vuul ftgnus fbgk pjwmbdk