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Expire Binding
Note: This Binding is available in 1.9.0 and later releases.
The Expire binding will post an update or command that you specify (the "expire" update/command) to items it is bound to after a period of time has passed. If you don't specify an update or command, the default is to post an Undefined (UnDefType.UNDEF
) update to the item.
The expiration time will be started or restarted every time an item receives an update or command other than the specified "expire" update/command.
Any future expiring update or command is cancelled if the item receives an update or command that matches the "expire" update/command.
For installation of the binding, please see the Wiki page Bindings, or you can add this JAR to your addons
folder.
Set a temperature sensor's state to -999 if five minutes pass since the last numerical update:
Number Temperature "Temp [%.1f °C]" { mysensors="24;1;V_TEMP", expire="5m,-999" }
Turn off a light (Z-Wave node 3) one and a half hours after it was turned on:
Switch HallLight "HallLight [%s]" { zwave="3", expire="1h30m,command=OFF" }
Mark a motion sensor as CLOSED 30 seconds after it was opened:
Contact MotionSensor "MotionSensor [%s]" { http="<[http://motion/sensor:60000:JSONPATH($.state)]", expire="30s,state=CLOSED" }
Boil an egg for seven minutes using a Z-Wave-controlled cooker:
Switch EggCooker "Egg Cooker [%s]" { zwave="12", expire="7m,command=OFF" }
⚠️ If another binding is repeatedly updating the state of the item to be the same state it already was, the expiration timer will continue to be reset into the future. Dedicating an item to the expiration function (so it doesn't receive repeated updates from another binding) would avoid unwanted behavior, should it apply in your case.
The Expire binding accepts a duration of time that can be made up of hours, minutes and seconds in the format
expire="1h 30m 45s"
expire="1h05s"
expire="55h 59m 12s"
Any part is optional, but any part present must be in the given order (hours, minutes, seconds). Whitespace is allowed between sections.
This section can optionally be followed by a comma and the state or command to post when the timer expires. When this optional section is not present, it defaults to posting an Undefined (UnDefType.UNDEF
) update to the item.
expire="1h,command=STOP" (send STOP command after one hour)
expire="5m,state=0" (update state to 0 after five minutes)
expire="3m12s,Hello" (update state to Hello after three minutes and 12 seconds)
expire="2h" (update state to Undefined two hours after last value)
Note that the state=
part is optional.
Also note that the type of item (String
, Number
, Switch
, Contact
, etc.) must accept the command or state you specify. The binding works with all item, state and command types.
The binding itself has no configuration.
- Initial release.
ℹ Please find all documentation for openHAB 2 under http://docs.openhab.org.
The wiki pages here contain (outdated) documentation for the older openHAB 1.x version. Please be aware that a lot of core details changed with openHAB 2.0 and this wiki as well as all tutorials found for openHAB 1.x might be misleading. Check http://docs.openhab.org for more details and consult the community forum for all remaining questions.
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A good source of inspiration and tips from users gathered over the years. Be aware that things may have changed since they were written and some examples might not work correctly.
Please update the wiki if you do come across any out of date information.
- Rollershutter Bindings
- Squeezebox
- WAC Binding
- WebSolarLog
- Alarm Clock
- Convert Fahrenheit to Celsius
- The mother of all lighting rules
- Reusable Rules via Functions
- Combining different Items
- Items, Rules and more Examples of a SmartHome
- Google Map
- Controlling openHAB with Android
- Usecase examples
- B-Control Manager
- Spell checking for foreign languages
- Flic via Tasker
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