Openhab previousstate. 1 with Javascript ECMAScript-2021 rules.

Openhab previousstate history. 11+9-Debian-1deb11u1) OpenJDK 64-Bit Server VM (build 17. log(items. rlkoshak wrote in one of his posts: MyItem. What I do is a little bit different. 3. openHAB can store data over time; this is known as persistence. Also have the rrd4j. I can’t get the previousState working reliably. 12+7-LTS) openHAB version: 3. OutOfMemoryError: Java heap space* That indicates java crashing because it needs to use more RAM than you gave in your setup. Which is the solution I missed of course your rule runs on Item Hi, I need a little bit help writing a rule for switch off heating and turn it an again if window is closed or open. org Persistence. The item is a string. mapdb. In JS Scripting which uses a much more up to date version of ECMAScript and comes with a helper library, it’s easier. My previousState. millis) This code is in a rule when Itemvalue changed, so when there is an update with same value, this code is not executed. I receive new states and can immediately generate some events. Example. orafile, ojdbc. 192 openHAB version: 2. 11+9-Debian-1deb11u1, mixed mode, sharing) openHAB version:4. Hi, i need to get an old item state. Problem Statement There are several reasons why a home automation enthusiast would want to use openHAB persistence: charting, using historical Item states in rules logic, restore previous values on openHAB There are two completely different things called previousState. Raffaello Bonvino Real-time embedded software engineer previousState: itemCommand: sub-class of org. I just use MQTT as interactive item state transport. Light turns on, openhab sets a color, end of anything I intend to do with the light via openhab other than turning it back off. previousState(true) to get the previous state. I did find some examples in the documentation like: val mailActions = getActions(“mail”,“mail:smtp:samplesmtp”) val success = mailActions. It is advised to create a specific user with sufficient permissions and space for openHAB persistence. Now, as it is cold in germany, the battery percentages drop and rise automatically, when its getting warmer. time-Item. The data may be retrieved at a later time, for example to restore your system after startup, or to prepare graphs for display on There are two completely different things by the same name, context and use is very important. Let’s say you have a rule triggered by “ItemX received change” And ItemX is persisted on “everyChange”. 1 on ubuntu 22. From console I see that value is stored in db4o but I don’t know how Hi, I would like to have a rule reacting to a presence detector. 50+19-CA (build 11. You may have more than one persistence add-on loaded, and each of these may be configured previousState: itemCommand: sub-class of org. state) postUpdate(TheItemPrev2, TheItemPrev. In the past I had simply used the item. Without the “previous state” condition, the rule triggers on every item change. logInfo("Bathroom", "implicit " + previousState. In any other rule it will fail like an unknown variable. Hello! I have an item the gives me the power consumptionTotal (accumulated consumption since power loss on Shelly Device) and i’d like to store power consumption on every update of this item. postUpdate(prevValue) if I try to set the previous value, I always get the the current value back prevValue = Node2_Setpoint. items file or something like that). previousState(true) Hello, I’m using OH 3. 10. I argued most people expect to get the last update time of the item, not the last write to the DB. previousState previousState public static @Nullable HistoricItem previousState ( Item item, boolean skipEqual, @Nullable String serviceId) Returns the previous state of a given item . It’s nice to see people being active here ince ages That’s why I am always coming back. Due to the weather conditions it I want to trigger an action when the item state changes, but only if the previous state was 0. when System started or Item myItem changed then When this rule gets triggered by System started, previousState exists but has null content Hello Community, I want to stop push notifications when the previousState was UNDEF, how can I achive that? Maybe, I have a logical problem but my rule is not working and sending notifications also when status was previous UNDEF (for testing I set the status UNDEF of the switch via API) 😃 Anybody a suggestion? openhab. Do I have to add "state description" to all items in openHAB ships with the rrd4j persistence service installed by default, which persists every Item on every state change and at least once a minute. 11” 2024-04-16 OpenJDK Runtime Environment (build 17. previousState(true) Hi @ubeaut!. I have a speaker which is controlled via mpd binding from openhab Now i’m trying to implement a rule for a simple away mode (nobody home) let’s call it IMHOME_SWITCH and would like to stop the mpd playback when it is flipped off. previousState all on its own in a text rule is an implicit variable , conjured into existence by the rule triggering. 0 "0. I tried to setu Hello, can I trigger a Rule When a I receive a changed command? For example, I what to trigger a rule only when a value changes from ON to OFF, but only if from a Command, not a State Update. getItem(thingName); logger. red if the previous value was higher than the actual value oder green if the prev. It only gets populated if an Item was involved in the trigger. event. previousState() myItem. I have a MySQL persistent, and I have this rule: rule "Switch" when Item FF_LivingRoom_Switch1 received command then logInfo("Prev", FF_LivingRoom_Switch1. The following entries are the last two in the persistence table of the item: 2023-03-20 19:45:05 12 2023-03-20 10:32:46 18 Hi, guys I don’t understand why this code works: rule "A presence sensor updated" when Item gnuTest_Counter changed then logInfo("Test previousState", triggeringItem. model. my code to store the data works, but i can’t read it. averageSince does that sufficiently For the Item that triggered the Rule, the event (if I understand correctly) only has a previousState populated when Rules are triggered by a changed event. The rule triggering event may have a previousState element, if it is a state Unfortunately, previousState(true) does not work correctly for channels with unit of measurement set. state in addition to receivedCommand to compare the current vs new states. items. I persist an enery counter on every update. Some in Blockly some in DSL. previousState(true) Since a couple of days, I’m getting the following warning in my openhab. But it is easy and does not need to be openHAB can store data over time; this is known as persistence. x rules now use Java Time API instead of Jodatime, there is a new DateTime Conversion thread for openHAB 3. 347 [INFO ] [openhab. state as Number var EZ_Esstisch_now = EZ_Esstisch_dimmer. I just upgraded openhab from version 2. This might be easier than you think, you can openhab/openhab1-addons#5913. Thanks. Scripts & Rules In the latter case there is no previousState? Seems like the answer is no based on the wording on this page under Implicit Variables: Rules | openHAB - you get the triggeringItem for a status update or change, but you only get the previousState for a status change. securitySystem_mode previousState: disarmed type: core. I want a broadcast-message at every change of the battery level of my iPad, if its 25% or lower. Hi There, i have a mind problem with persitance. Can you guys give me a hint of what it may be? All of my items are set up with the same persistence rule: group(rrd4j:everyMinute, rrd4j:restoreOnStartup) *java. previousState(true) Hi, i am notifying myself via notificiation, if a certain items battery level is under a specified percentage. x there are different ways to handle Date/Time values. previousState(ii, true) Persistance is NOT working. Obviously it doesn’t work without persistence. If not just post the previousState to the item. previousState() Find more info on persistence extensions here. state will fail Because openHAB 3. state is OFF, gPresence. com”, “Test subject”, “This is the mail content. For that there is a parameter in the previousState() method of the Persistence Extension. With Numbers it works as it should like pressure. This function doesn’t seem to be available in OH2. Other Oracle DB setups may require different connection parameters. I like to use the HVAC system to maintain nursery and What you do with the Points doesn’t change. What I did: restart openhab service, so items starts as NULL; Then item changes to the real value; My rule (item changed) triggers; Output for MyStringitem. var EZ_Esstisch_previous = EZ_Esstisch_dimmer. Your rule is triggered by an update. state. Please be aware that . state however the rule fails. x. a vendor and technology openHAB can store data over time; this is known as persistence. All is configured within the OH3-UI. If I try fixed values in my rules, everything is working fine. 0. getItem('itmUHT230Total') But I’m going from memory. previousState causes it to return the most recent saved state even if it is the same as the current state. state) postUpdate(TheItemPrev, previousState) end It’s not the most elegant solution but would work. I can get the Click_Counter_Door1. previousState(true)) Script execution of rule with UID '961bb95dea' failed: java. fe: rule: rule "Test" when Item TestKnop1 changed then var Light111 = Light_AT_BureauStock. and the description of how to do that. extensions. previousState(true, "db4o"). During search i found that =items[ITEM] has =items[ITEM]. previousState(true,"influxdb"). previousState is using the persistence type. I’ve got a rule that triggers based on an item command. M3 I thought I would be smart advising a newbee friend of my to use the openHAB rules GUI - that was until he came up with this He is reading the actual power consumption of their dishwasher I had a rule which crashed because of an not existing command to an item. 103-v7+ Java Runtime Environment: Zulu11. No MQTT back control. 0 mm/h" I suspect the issue lies in determining the correct representation of I try to compare a Number item (=temperature of watertank) with its previous value. implicit previousState only exists for rules with changed triggers, and yours isn’t. getItem('leaksensor'). previousState(). cfg. Edit: Updated for OH 4 See Design Pattern: What is a Design Pattern and How Do I Use Them for an explanation of what a DP is and how to use them. 4, using mysql for persistence, and am attempting to use an Either previousState will exist with a proper value (e. You might get the previous value, you might get two values back. previousState(true) Hi, First post here so be kind 🙂 I think im missing something vital that is causing my problems and im sure someone here can help me 🙂 I run Openhab2. You must use rrd4j or influxes to use that function. They are simply ignored. I’m using previousState function rule "KNX Scene" when Item light_scene_r101_act received command then val light_scene_r101_old = Hi all! Just playing around with the persistence extensions in OH3. I have mapdb and rrdj configured for persistence and can draw a chart for that item. Given the number of installation problems I see on this forum I would agree. previousState(true) Because you are using the a changed trigger, you will have a previousState implicit variable defined. This THING is only used to deliver the position of the Toggle Switch. Sadly the openHAB version: 1. The state of an Item is an Object itself and can be accessed with MyItem. previousState. forEach[item | Hello everyone, ive got a problem to read values from an arraylist which is stored in another array list. (Especially for outside mounted devices) I have a motion sensor on my terrace which sends its percentage level. 1 with a simpel rule: previousState · Issue #11878 · openhab/openhab-addons (github. my code to store the data: allheater_ON_OFF. var Duco_Ventilatie_Trigger = items. To change the speed, I’m using this rule, which basically calculates how many times to send the IR code to get to the correct speed. Executed Code: PersistenceExtensions. The problem I run into is that when I do that a bunch of my rules break because there is no . previousState(true) Platform information: Hardware: Intel OS: Debian Java Runtime Environment: openjdk version “17. 3 to version 2. ItemStateChangeTrigger Note the difference here, using previousState instead of state. properties file and key files (from the ADB wallet download) are located. 2 Issue of the topic: I am using persistence with jdbc:mariadb. It’s derived from the changed event, not from the Item, not from persistence. It is in Getting Started: Important: Due to a breaking change of the internal methods in openHAB 4. 2, Blockly rules that use persistence methods need to be migrated once. error: persistence. Simon The hardware A Toggle Switch is connected to a fibaro ZWAVE dimmer (S2). Persistance is working fine. previousState() and item. rule "Propane Used" when Item TankUtility_Tank changed I’ve been chugging along with OH2 for several months now and have had a lot of fun doing it but I’m stumped trying to figure out something. openhab. perviousState using rrd4j so I tried moving to db4o, but it does not look like {item}. I have a rule: When Item Folks, I have a rule which dims the kitchen when it’s bedtime. timestamp); Gives 2023-08-04 18:37:57. Thanks for response! I need the last previous state which differs from current state. ; But as you can see in the logs at the end of the boot openHAB can store data over time; this is known as persistence. It would then follow that if there is no Item in the trigger, there is no previousState (just like no triggeringItem name). To use the state of an Item in rules it is often It took a few tries to see what previousState returned when attached to the Setpoint and it seems it is mostly a date and not temperature (and the temperature was not the previous 76 F). a vendor and hi, for my custom widget i need to acces the persistence values of an item like “previousState()” or “lastUpdate”. This Topic Replies Views Activity; OH 3 - . com) Dirk_Albrecht (Dirk Albrecht) October 3, 2022, 2:24pm 24. Light should be switched on and then restored to the previous state after a few minutes. (with the caveat - ) It is important to select a default persistence service. state and send it to another text label and it works. class != UnDefType. However, I also Dear all, I run the embedded MQTT broker of openhab 2. Additionally, it restores the last stored value Hi, I read several posts regarding the previousState() issue but couldn’t find one which solves my issue. lang. I’ve just noticed that my historicstate always return ‘null’ instead of the value after the upgrade to OH3. toString); end When I toggle the switch I get Platform information: Hardware: Raspberry 4 / 8GB OS: 5. 698 [INFO ] [home. Together with our brand new openHAB 4. previousState(org. My rule works, but always gives this validation warnings - and I don’t get where am I doing something wrong, especially since line previousState is only there if the rule has at least one changed trigger. Bredmich: tWindowKitchen. previousState(true) item. Maybe you’ll have to get information if previousState() itself is null None of the persistence services store UNDEF (or NULL) states, by design. Command (opens new window) [item] received a command: Command that triggered event: receivedCommand: itemName: string: all: Name of Item that triggered event: triggeringItem. That’s an old post though. Script execution of rule with UID 'Persistence-1' failed: rrd4j does not allow querys without a begin date, unless order is descending and a single value is requested in Persistence. Command (opens new window) [item] received a command: Command that triggered event: receivedCommand: itemName: string: all: Name of Item that triggered event: I’m wondering what I’m doing wrong here, it’s erroring out. previousState() Gets the previous State of a persisted Item (returns HistoricItem) <item>. Although I use mapDB for persistence (and RRD4J for charting) - the status of switches wasn’t restored at startup. Do you have a more elegant solution? Thanks for any hints. toString on the state to compare it to “HOME”. The true parameter is: the previous state must be different from the current state. 4 (openhabian / Release = Raspbian GNU/Linux 10 (buster) / Platform = Raspberry Pi 3 Model B Rev 1. floatValue val previousValue = (previousState. It works stable. lastUpdate. rule "Bionaire Speed" when Every now and then my db4o db gets very large and I remove it. Hello, i got a little problem with previousState in a rule for a battery alarm. But only if the trigger was for a change. this is working quite good so far, but the last days i had the idea to show the previous price in the notification, too, so i can see if the prices were getting higher or lower: See github: [InfluxDB] Crashing influxDB 2. In my case previousState() return everytime the current state and not the previous state. openhab. timestamp Hi all, A toggle switch is turning two lights on / off. I have following logInfo line in the rule just to check if it works rule "Persistance" when Item mqtt_init received update then logInfo("Persistance","Rules kicked") logInfo("Persistance",my_item. persist Strategies { default = everyChange } Items { *: strategy = everyChange, What i’d like is to execute a rule in case 5 according to what the previous state of the item was, before the command was issued. 844 [WARN ] [rnal. 2, advanced custom widgets have gotten more powerful with the new oh-context openHAB can store data over time; this is known as persistence. I’ve tried the following values for zero: 0 0. 09:55:17. deltaSince(now. I noticed that previousState(true) has not been working, at least for quantitytype items such as temperatures, since I updated to 2. Regarding to the previousState(false) or previousState(true) question. 4 console. 000Z time 0 openHAB 3. toString) The implicit state belongs to the rule, not the Item. In this case e. ”) success Platform information: Hardware: virtual Machine on ESX Server OS: Suse Linux Enterprise Server 15 Java Runtime Environment: zulu8. (should prove that persistence is working fine) th Hi, I’m trying to move a rollershutter to a previous statebut I have no idea how. And I can’t find a way to on the Change rule to rule out the State Update or in The received command to rule out the same Introduction This post provides an overview of two features that have been added to openHAB recently to make it easier to write rules that work with groups of items. Below is what I’m using to troubleshoot and I get the same temperature output for both. On top of that, Temperature type Quantities have a few quirks all of their own. I am using sqlite with jdbc as persistence service. By the way: Nowadays I am using previousState a lot as well. Blockly then automatically rewrites the rule to be compatible. What I tried; openHAB provides Quantity Type features, which can seem baffling. (In truth, getting quantity state as Number gives you some weird hybrid value, but you can’t do maths with it) Hi there, I was able to get the pushover commands to work to send commands for washing machine done via text to my wife’s phone and mine, however she wants the echo to say it also. Was this just forgotten to implement? Manfred The TNS_ADMIN parameter points to the directory where the the tnsnames. So if gPresence. sendCommand(EZ_Esstisch_previous) java. 3; HomeAutomation (HomeAutomation) April 1, 2018, 7:02pm 2. The current, working rule: Hi, First my configuration: openhab 4. previousState(true) and . state was returning always ON, because no OFF is received or created by a timer. previousState(false). 1 with Javascript ECMAScript-2021 rules. a vendor and technology agnostic open source automation software for your home I have openhab 2. But after my return and the AWAY_SWITCH flipped back to on i would like the mpd_binding to go to the previous state. can you explain, at which point a rules gets too complicated you are going to prefer to build the rule in openhab itself? also i would be interested whats the best practise / what are the cases Hi all, I’ve just read some things here about design patterns. 2 (Raspian GNU/Linux 9) Java Runtime Environment: Zulu 11 Open JDK 32-bit openHAB version: 3. I would call it only in the system startup rule so I think the goal is nearly achieved with previousState: if the rule fires not at startup like in the case of the rule file modified, the problem you’re talking about is still present. You can’t get an previousState with mapdb because mapdb won’t save it. itemName + " was " + event. The unit is added to the historic state. 84-v8+ Java Runtime Environment: Java 11 openHAB version: 3. previousState(true) will give you the most most recent entry in the database that is a different state from the current one. 1. My understanding was that previousState(true) should retrieve the previous state that is different from the current state. There has never been a concept of previousCommand in Rules DSL and at least when I started trying to document all this sort of stuff for NGRE there was no previousCommand on the event either. I tried also to change the rrd4j to influxdb and mapdb. 15. <item>. Problem is that I cannot get the absolute time of the previous item, I’&hellip; The issue I am trying to solve is that i want to be able to display a number of state changes of a particurlar item, say I have a door contact sensor and the information about the status change is stored in mysql. 1 stable as docker container together with Influxdb2 as persistence. automation. Another way - OH save new states in DB. 33. . However, due to timing issues with saving the value to the database and retrieving it, previousState will always work and MartinsiPhone_Location. previousState()) end It takes some time for values to be saved to persistence. I wanted to use the previousState method to get of course the previous state :wink: But I get the error “There is no persistence service configured!”. state will never be null but NULL. This works and works by sending a HSB to the various LEDS of 240,100,10 (Dim blue) When movement is detected it brightens it up by sending 240,100,100 - th Rich, stop, please. minusSeconds(1), Hi there I’m trying to trigger on a change of more than X percentage from the previous state, so to do this I need both new and previous state values. is there a way to access them within the widget or do i have to define seperate items which hold this states. e. Should be possible to check with gPresence. My point is that MartinsiPhone_Location. persistence. To avoid messages during charging, i want the message just, if the previousState ist greater than the actual state. previousState() as recorded in the database meantime, and in parallel Persistence I would like to know the time difference between the current time and the time of the previousState of an item, if delta > 10 seconds do something. 4. rlkoshak: Note that a Script Condition is different from the Script Action (i. name: openHAB provides various data transformation services (opens new window) which can translate variable with item. Values: The following values are available as historic and future openHAB can store data over time; this is known as persistence. previousState(true) // most thanks for sharing your experience. This will almost certainly always be the current state (unless you have restarted or reloaded a . I’m using OpenHabian OH3 on a Pi 4. previousState // most recent value in the persisted database not counting the current state MyItem. 2 The first time rules execute after a reboot they take much longer than subsequent executions. OH sends to my application new states. timestamp should give you the time (and date) when gPresence changed from ON to OFF. Persisted Items have a method myItem. a vendor and technology agnostic open source automation software for your home Rich is talking about relative timing as a concern. Are you sure the item is persisted by the default persistence? Maybe better show a more complete rule instead of a single line. Rule example: val String Hello, i created a notification rule so i get informed, if the price of gasoline at my favorite gas stations changed. I have an Item in a new binding and I want to restore it. It work perfectly but I ran into a small issue. state as Number). previousState in this usage is not “the previous state of a specific named Item” it is instead “the previousState of whatever triggered this rule”, thats the contextual part. PersistenceExtensions. The item values in influx db are: 0 AgnieszkaTelefonBudzik value 1704951600000 2024-01-10T04:50:00. The data may be retrieved at a later time, for example to restore your system after startup, or to prepare graphs for display on a UI. Setpoint problem in a condition comparison. I read the echo literature but all of it seems to be about editing rules files and and things files from pre OH3. var item = itemRegistry. IIRC the previousState method has two different I’d like to access the item’s previousState in a OH3-rule: So, if the log says: Item 'MQTTOneWire_WhirlpoolCounter' changed from 7574 to 7579 I’d like to have something like: logger. How can one solve this issue? Thanks, Selter A lot of stuff was added in the openhab category and even more is available at the marketplace See “contextual info” by the look of it. I think I’ll use previousState. Is there a simple 1 or 2 lines I can use in the DSL rule builder that works for I found out that the state NULL is NOT saved in the persistence and cannot be retrieved as previousstate. As you see, previousState(false) will give you the most recent entry in the database. But there are other approaches to cancelling a Timer Maybe I am missing something but doesn’t mapdb only store one last value so by default cannot provide a previous state? openHAB can store data over time; this is known as persistence. What I want to do is rule “Küche lüften” when Item EGKuecheFenstersensor changed from CLOSED to OPEN I’ve been trying to experiment with using RRD4J to return a light to a previous state. I eventually used a proxy, which I think is, given the current rule, not even necessary. previousState(true). No item creation. previousState() does not return a straightforward state, it is a historic state, a different type of object with e. ItemStateChangedEvent ] - Item 'MainThermostat14_SetpointCooling' changed from NULL to 75 °F. 2). toString is: current value In openHAB, every item carries a state. state as Number) - (previousState as Number) and do maths with the meaningless numbers. However, the state of the light might change in between due to o Hello, i created a notification rule so i get informed, if the price of gasoline at my favorite gas stations changed. name + previousState ) end producing: 2019-02-22 12:38:12. persist file set up in the persistence directory. I wish to retrieve the last other previous state of an item, it should return HistoricItem or NULL. This exception causes the rule to not run to the end. timestamp. approach: Shelly_EM3_consumption = Shelly_EM3_accTotal - Shelly_EM3_accTotal. console. NULL) or it won’t exist at all. But these gave me other errors. The syntax validation of visual studio code gives the warning “Duplicate local variable previousState” on the first line of that rule: rule "Dim lights for TV" when Thing 'samsungtv📺0ee6b281_00fa_1000_9021_5cf6dcd66f98' changed from OFFLINE to I don’t use . I just looked up OH2 “implicit variable” docs, because I believed previousState did what it said and returned the state of the triggering Item. On return the thermostats will be reverted to their previous state. Note that for a String type Item, UNDEF or NULL state is not the same as strings “UNDEF” or “NULL” (or any other string). I have rrd4j set up as my default persistence in the openhab. Regards, Hans Currently running openHAB 3. state == 'Running' Any guidance would be Thanks for your response. val deltaValue = 0 val actualValue = (newState as Number). When ItemX does change, we’ll start a race The rule begins and after a little while examines ItemX. ui. 8. My observation is that persistence API’s behave inconsistently when trying to retrieve previousState for an item. Test previousState] - gnuTest_Counter1 while this does not work: rule "A presence sensor For a complete and up-to-date list of what item types are currently allowed in OpenHAB and the command types each item can accept see the openHAB documentation for items. According to Persistence Doc:. But the rule that triggers the script looks “awful”. You might need to call . state for the items. class; This second example isn’t even possible except as a Script Condition. timestamp will give you that in all cases. I’ll have to scrub my rules for this - I didn’t realize this was true. However, with the additional condition, the rule no longer triggers. I now have the problem that previousState and previousState(true) no longer return a historic state other than the latest one in my database. One is an implicit variable , that exists in any rules with a changed trigger. However, that is not the case Why is the timestamp for lastUpdate and previusState the same? I think because this doesn’t do what you expect it to do: triggeringItem. previousState(true) Some minor concerns with the above code. HistoricItem. So I can get I was having some problems from . What I want to achieve is a general Rule that applies for all Hue Dimmer switches in my house. types. s (Shelly_EM3_accTotal. getItem("Pool_Pump_Switch"). state Seconded. PreviousState isn’t available unless I turn on persistence (correct me if I’m wrong) There are two previousState. In Rules DSL you end up working against yourself when you force the type of the variables. It saves only the current state. state and previousState should give you the exact same thing. Then it seems like the rule engine goes does some rule check and the The things to realize are: the previousState variable gets populated based on values in memory and is completely independent from Persistence; passing false to VirtualSwitch. I sends query to database every N sec (ms) to get new states. rules files (also know as DSL Rules), and not any other types of rules/scripts such as those for the Experimental Rule Engine or JSR223 Scripting. This does not happen automatically but needs to be done opening the blockly rule once and re-save it. prevValue = vBath_target_day Node2_Setpoint. Command (opens new window) [item] received a command: Command that triggered event: receivedCommand: itemName: string: all: Name of Item that triggered event: I’m using previousState function rule "KNX Sce Hi, I’m using MySQL persitence and i would need to get last value of an item but the problem is that last state that i’m reading is actually current new state of an item. These features only apply to rules defined in . openHAB persists Item states in a database, and most popular databases are supported. now i like to calculate the energy consumption over the day by adding to a base counter all the small deltas over the day. Overview In openHab 2. log file when I try to use the persistence API function “previousState” in my JS rule on one specific item (“previousState” is working without errors/warnings on the other items): 2024-11-15 09:53:40. 04 server and i’ve noticed some new behaviour. Your understanding me is mixed up. In my setup I have got an “away”-switch which is toggled when I am out for a longer period of time. 1 Like. I also have a bunch of motorized vents or dampers to most of my rooms. 0 I want to read in status of a Jenkins integration server. IllegalStateException: Could not invoke method: org. info(items. 2 off a RPi and everything is working perfect except for checking item previous states in rules On an item changed event im checking the previous state of the item to determin if it has changed. 1-jdk8. getState() on null persistence: everychange item (not tied to a channel): String ClothesWasher_Proxy "Clothes Washer is [MAP(clotheswasher_proxy. My try dosn’t work: /**CONTACT */ rule "BAD EG Fenster offen" when Item EG_B_CONTACT changed then v Could you not use previousState to do the job? My idea is in the rule which will be triggered, check if previousState and state are in expected range. Is there a way to prevent this, so that the rules runs to the end Example: rule "PresistenceWiederherstellen" when Item SW_PresistenceWiederherstellen changed to ON then gRestoreState. Strategies { everyMinute : "0 * * * * myItem. 2. InfluxDB2RepositoryImpl] - Failed to I understand restoreOnStartup does this, but there’s no openhab startup here, just the end-points, and hence the workaround. script. members. I don’t know at all how it was done in OH2, and I didn’t find such an option in the UI of OH3. I am trying to control a Bionaire Fan with Openhab. Here is the persist file and rule. 3 Persistence: jdbc-mariadb I would like to persist a state with a certain . I open a Ticket, but it is not solved at the moment. previousState(itemRegistry. state as Number and then at the end of each “if” EZ_Esstisch_preprevious. previousState: itemCommand: sub-class of org. 2GHz/1GB Ram/120GB SDD over USB OS: OpenHabian 3. getItem("Duco_Ventilatie_Trigger"); var previousState = receivedCommand and previousState are described in the Rules wiki page; Access to all of your items and groups, enumerated states (ON, OFF, OPEN, CLOSED, etc), I know one of Kai’s highest priorities is a rewrite of the quick start guide on the main openhab page. I am running Openhabian with OH 2. Platform information: Hardware: Pi3B - ARM Cortex-A53 1. On my Pi3B a button press based rule would take 4-5 Many thanks to Mark Herwege (@mherwege (opens new window)), who already worked on the add-on suggestions in openHAB 4. previousState("mapdb"). previousState, because all my persistence-related trigger are either temperatures or other means, which aren’t boolean. This rule would be good for handling that if you’re doing little seasonal scenes. previousState (true) looks fine for me. Before that all my rules worked just fine. That might have been triggered by 4. I created the following rule, but i doesn’t fire. org Rules. However I notice in your case it’s not going to work anyway. the thermostats in all rooms are set to a lower level. obenreph: don’t want to use global vars for that because I have tens of blinds around the house. 1 Winter Release, we are proud to give you some more stuff to play with - the semanticHome Menu - openHAB 4 version, the next evolution step of the main_widget project. So when you call previousState in a Rule immediately without out sleeping for a bit to give the DB a chance to save the new value the result of previousState is indeterminate. timestamp. What I am trying to do is increment the value in the previous state by one on each update event. restoreOnStartup: load and initialize the last persisted state of the Item on openHAB startup (if the Item state is undefined ( UNDEF)). sendMail(“mail@example. Every rule triggered by an Item xxx changed event has an implicit variable previousState, which does not rely on any persistence. minusHours(1)) but with contacts i cannot get motionSensor. The problem isn’t that the previous state is NULL. UnsupportedOperationException: rrd4j does not allow querys without a begin date, unless order is descending and a single value is But it worked absolutely sure: I’ll take your word for it. Hi everyone, I’m using visual studio code to edit all openhab related files. And I wanted to have some hysterese - and . 03 on Raspberry Pi 4 with influxdb persistence. previousState Here’s some info on my setup Platform information: Hello all, I need to get the previews state of a item, but ir seams that is not working as it should. I’m surprised that doesn’t work too, but it does agree with the documentation. core. previousState(true, "influxdb"). previousState(true, "jdbc"). this is working quite good so far, but the last days i had the idea to show the previous price in th openHAB can store data over time; this is known as persistence. I observe that . rpwong (Russ) December 6, 2021, 9:45pm 13. g. I try to set my heating setpoint to the previous value. previousState(true)); console. a vendor and technology agnostic open source automation software for your home. previousState at the beginning of the rule. Also, the parens are required. info(thingName + " Adding "state description" to the item changed the states of the HistoricItems returned by previousState () and previousState (true). Highlighted under ‘extensions’ - openhab. influx2. hi, for one of my rules i need to revert ITEM_A to previous state after ITEM_B has been changed. previousState(true, "mysql") should all work. itemName + " was " + actions. This will execute the rule dependent of the trigger once with received command, thrice if it is `changed´. previousState("mysql") myItem. ecma12] - ON 2023-08-04 rule "History" when Item TheItem changed then postUpdate(TheItemPrev3, TheItemPrev2. floatValue Hi, I’m trying to retrieve a value from persistence using db4o in a rule but I have some problems. This stopped working in recent milestone builds (which i var Number door1 = Click_Counter_Door1. However i can’t seem to get the . map):%s]" (WeMo) rule: ClothesWasher_Proxy. value was lower? thanks for help, Alex In OH1 there were the Persistence functions previousState which would retrieve, well, the previous state of an item. I’ve checked this forum and haven’t really found any clear examples I could follow. 2 uses some more RAM, but in the end that’s not an openHAB issue. Hello, I think I have understood the difference between persistence method previousState() and the previousState elemnt in case of a state change event (using DSL type The documentation says previousState will be available in any rule triggered by change. displayState is there a documentation where this <item>. So you don’t need persistence and to call MyCurrLoc. 2 install overwriting startup parameters or some such, and eventually 4. state as Number I did check with historic state I’m trying to create a rule that will send me a notification when it’s beginning to rain but I’m having trouble getting persistence to behave the way I want. Entries are in the DB, using MySQL. Storing the value in the DB IS working. previousState); logger. Yes, the historic data is there (visible in habpanel chart). state are giving the same output - which is probably incorrect. You may have more than one persistence add-on loaded, and each of these may be configured Platform information: Hardware: RPi 4/4G OS: openHABianPi 5. stuff that goes in the “Then” section of the rule). The value is stored in the DB but is not loaded during startup. info("previous state of item: " + event. You haven’t shown us the whole rule, but guessing: declaring variable dusch_timer within the rule will mean that it goes away when the rule exits. rossko57 (Rossko57) June 5, 2020, 9:05am 7. historicState(now. In openHAB, every item carries a state that is reflective of the status the item is in (for switch the state can be ON or OFF, for an RGB LED the state could be hue, saturation and It got changed here: Persistence extensions, add lastChange and nextChange by mherwege · Pull Request #4259 · openhab/openhab-core · GitHub If the time of the last write to the database is what you want, previousState. I persist the SetTemperature value of a thermostate. 428 [INFO ] [. 1, for this enhancement!# oh-context Component Justin Georgi (@justingeorgi (opens new window)), openHAB ContributorWith openHAB 4. Default is the persistence set to RRD4J. previousState is not working correct. state and =items[ITEM]. Like if the on button is pressed again the color is changing Now I openHAB can store data over time; this is known as persistence. I’m controlling my HVAC (heat/cool modes) via an arduino with relays on the thermostat lines. . As some of you with hue bulbs know sometimes they randomly decide to go back to White instead of the last color they were. 4 running on a raspberry Pi 2 using the openhabian image. Item,boolean) on instance: null. event. Here’s an example of implicit previousState working for other people logInfo(“Test”,“Timediff: {}”,Item. A complete and up-to-date list of item types are currently allowed in openHAB and the command types each item can accept is given in the openHab documentation for items. My idea was: Get the current value when item is updated and then use the previousState() function to get the value before the last update and the caclulate Is it also possible to use the previousstate in sitemaps in order to color the text f. tWindowKitchen. To do the later I want to run the to use the implicit variable previouseState. M1 on a docker instance of a standalone Ubuntu 20. These Hi everyone, I am running OH3. state and item. itfuov ica mnkf hkxrk qwblc pdzs emlltdo tctfjrv abc rykb