Control update

numass-control/cryotemp/src/main/kotlin/inr/numass/control/cryotemp/PKT8Device.kt

@@ -223,7 +223,7 @@ class PKT8Device(context: Context, meta: Meta) : PortSensor<PKT8Result>(context,
     }
 
 
-    override fun startMeasurement(oldMeta: Meta, newMeta: Meta) {
+    fun setMeasurement(oldMeta: Meta, newMeta: Meta) {
         if (!oldMeta.isEmpty) {
             logger.warn("Trying to start measurement which is already started")
         }
@@ -317,7 +317,7 @@ class PKT8Device(context: Context, meta: Meta) : PortSensor<PKT8Result>(context,
 //    }
 //
 //    @Throws(MeasurementException::class)
-//    override fun startMeasurement(): Measurement<PKT8Result> {
+//    override fun setMeasurement(): Measurement<PKT8Result> {
 //        //clearing PKT queue
 //        try {
 //            send("p")
@@ -327,7 +327,7 @@ class PKT8Device(context: Context, meta: Meta) : PortSensor<PKT8Result>(context,
 //            //   throw new MeasurementException(e);
 //        }
 //
-//        return super.startMeasurement()
+//        return super.setMeasurement()
 //    }
 
 

numass-control/src/main/kotlin/inr/numass/control/StorageHelper.kt

@@ -1,6 +1,7 @@
 package inr.numass.control
 
 import hep.dataforge.control.devices.AbstractDevice
+import hep.dataforge.kodex.nullable
 import hep.dataforge.storage.api.TableLoader
 import hep.dataforge.storage.commons.StorageConnection
 import hep.dataforge.values.Values
@@ -14,7 +15,7 @@ class StorageHelper(private val device: AbstractDevice, private val loaderFactor
     private val loaderMap = HashMap<StorageConnection, TableLoader>()
 
     fun push(point: Values) {
-        if (!device.hasState("storing") || device.getState("storing").booleanValue()) {
+        if (device.optBooleanState("storing").nullable == true) {
             device.forEachConnection("storage", StorageConnection::class.java) { connection ->
                 try {
                     val pl = loaderMap.computeIfAbsent(connection, loaderFactory)

numass-control/vac/src/main/kotlin/inr/numass/control/readvac/CM32Device.kt

@@ -6,10 +6,7 @@
 package inr.numass.control.readvac
 
 import hep.dataforge.context.Context
-import hep.dataforge.control.devices.Device
 import hep.dataforge.control.devices.PortSensor
-import hep.dataforge.control.measurements.Measurement
-import hep.dataforge.control.measurements.SimpleMeasurement
 import hep.dataforge.control.ports.ComPort
 import hep.dataforge.control.ports.GenericPortController
 import hep.dataforge.control.ports.Port
@@ -31,51 +28,36 @@ class CM32Device(context: Context, meta: Meta) : PortSensor<Double>(context, met
         } else {
             PortFactory.build(meta)
         }
-        return GenericPortController(context, port){it.endsWith("T--\r")}
+        return GenericPortController(context, port) { it.endsWith("T--\r") }
     }
 
 
-
-    override fun startMeasurement(oldMeta: Meta, newMeta: Meta) {
-        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    override fun setMeasurement(oldMeta: Meta?, newMeta: Meta) {
+        startMeasurement {
+            doMeasure()
+        }
     }
 
-    override fun createMeasurement(): Measurement<Double> = CMVacMeasurement()
+    private fun doMeasure(): Meta{
+        val answer = sendAndWait("MES R PM 1\r\n")
+
+        return if (answer.isEmpty()) {
+            updateLogicalState(PortSensor.CONNECTED_STATE, false)
+            produceError("No signal")
+        } else if (!answer.contains("PM1:mbar")) {
+            updateLogicalState(PortSensor.CONNECTED_STATE, false)
+            produceError("Wrong answer: $answer")
+        } else if (answer.substring(14, 17) == "OFF") {
+            updateLogicalState(PortSensor.CONNECTED_STATE, true)
+            produceError("Off")
+        } else {
+            updateLogicalState(PortSensor.CONNECTED_STATE, true)
+            produceResult(answer.substring(14, 17) + answer.substring(19, 23))
+        }
+    }
 
     override fun getType(): String {
-        return getMeta().getString("type", "Leibold CM32")
-    }
-
-    private inner class CMVacMeasurement : SimpleMeasurement<Double>() {
-
-        @Synchronized
-        @Throws(Exception::class)
-        override fun doMeasure(): Double? {
-
-            val answer = sendAndWait("MES R PM 1\r\n")
-
-            if (answer.isEmpty()) {
-                this.updateMessage("No signal")
-                updateLogicalState(PortSensor.CONNECTED_STATE, false)
-                return null
-            } else if (!answer.contains("PM1:mbar")) {
-                this.updateMessage("Wrong answer: " + answer)
-                updateLogicalState(PortSensor.CONNECTED_STATE, false)
-                return null
-            } else if (answer.substring(14, 17) == "OFF") {
-                this.updateMessage("Off")
-                updateLogicalState(PortSensor.CONNECTED_STATE, true)
-                return null
-            } else {
-                this.updateMessage("OK")
-                updateLogicalState(PortSensor.CONNECTED_STATE, true)
-                return java.lang.Double.parseDouble(answer.substring(14, 17) + answer.substring(19, 23))
-            }
-        }
-
-        override fun getDevice(): Device = this@CM32Device
-
-
+        return meta.getString("type", "numass.vac.cm32")
     }
 
 }

numass-control/vac/src/main/kotlin/inr/numass/control/readvac/MKSBaratronDevice.kt

@@ -6,14 +6,15 @@
 package inr.numass.control.readvac
 
 import hep.dataforge.context.Context
-import hep.dataforge.control.devices.Device
 import hep.dataforge.control.devices.PortSensor
-import hep.dataforge.control.measurements.Measurement
-import hep.dataforge.control.measurements.SimpleMeasurement
+import hep.dataforge.control.devices.intState
+import hep.dataforge.control.ports.GenericPortController
 import hep.dataforge.control.ports.Port
+import hep.dataforge.control.ports.PortFactory
 import hep.dataforge.description.ValueDef
-import hep.dataforge.exceptions.ControlException
 import hep.dataforge.meta.Meta
+import hep.dataforge.states.StateDef
+import hep.dataforge.values.ValueType
 import inr.numass.control.DeviceView
 
 /**
@@ -21,52 +22,41 @@ import inr.numass.control.DeviceView
  */
 @ValueDef(name = "channel")
 @DeviceView(VacDisplay::class)
+@StateDef(value = ValueDef(name = "channel", type = [ValueType.NUMBER], def = "2"), writable = true)
 class MKSBaratronDevice(context: Context, meta: Meta) : PortSensor<Double>(context, meta) {
 
-    private val channel: Int = getMeta().getInt("channel", 2)
-
-
-    override fun createMeasurement(): Measurement<Double> = BaratronMeasurement()
+    var channel by intState("channel")
 
     override fun getType(): String {
-        return getMeta().getString("type", "MKS baratron")
+        return meta.getString("type", "numass.vac.baratron")
     }
 
-    @Throws(ControlException::class)
-    override fun buildPort(portName: String): Port {
-        val handler = super.buildPort(portName)
-        handler.setDelimiter("\r")
-        return handler
+    override fun connect(meta: Meta): GenericPortController {
+        val port: Port = PortFactory.build(meta)
+        logger.info("Connecting to port {}", port.name)
+        return GenericPortController(context, port) { it.endsWith("\r") }
     }
 
-    private inner class BaratronMeasurement : SimpleMeasurement<Double>() {
-
-        override fun getDevice(): Device {
-            return this@MKSBaratronDevice
+    override fun setMeasurement(oldMeta: Meta?, newMeta: Meta) {
+        startMeasurement(newMeta) {
+            doMeasure()
         }
+    }
 
-        @Synchronized
-        @Throws(Exception::class)
-        override fun doMeasure(): Double? {
-            val answer = sendAndWait("AV" + channel + "\r")
-            if (answer == null || answer.isEmpty()) {
-                //                invalidateState("connection");
-                updateLogicalState(PortSensor.CONNECTED_STATE, false)
-                this.updateMessage("No connection")
-                return null
-            } else {
-                updateLogicalState(PortSensor.CONNECTED_STATE, true)
-            }
-            val res = java.lang.Double.parseDouble(answer)
-            if (res <= 0) {
-                this.updateMessage("Non positive")
-                //                invalidateState("power");
-                return null
-            } else {
-                this.updateMessage("OK")
-                return res
-            }
+    private fun doMeasure(): Meta {
+        val answer = sendAndWait("AV$channel\r")
+        if (answer.isEmpty()) {
+            //                invalidateState("connection");
+            updateLogicalState(PortSensor.CONNECTED_STATE, false)
+            return produceError("No connection")
+        } else {
+            updateLogicalState(PortSensor.CONNECTED_STATE, true)
+        }
+        val res = java.lang.Double.parseDouble(answer)
+        return if (res <= 0) {
+            produceError("Non positive")
+        } else {
+            produceResult(res)
         }
-
     }
 }

numass-control/vac/src/main/kotlin/inr/numass/control/readvac/MKSVacDevice.kt

@@ -6,11 +6,11 @@
 package inr.numass.control.readvac
 
 import hep.dataforge.context.Context
-import hep.dataforge.control.devices.Device
 import hep.dataforge.control.devices.PortSensor
-import hep.dataforge.control.measurements.Measurement
-import hep.dataforge.control.measurements.SimpleMeasurement
+import hep.dataforge.control.devices.booleanState
+import hep.dataforge.control.ports.GenericPortController
 import hep.dataforge.control.ports.Port
+import hep.dataforge.control.ports.PortFactory
 import hep.dataforge.description.ValueDef
 import hep.dataforge.description.ValueDefs
 import hep.dataforge.exceptions.ControlException
@@ -40,13 +40,7 @@ class MKSVacDevice(context: Context, meta: Meta) : PortSensor<Double>(context, m
 
     private val deviceAddress: String = meta.getString("address", "253")
 
-
-//    val isPowerOnProperty = SimpleBooleanProperty()
-//    var isPowerOn by isPowerOnProperty
-
-
-//    val channelProperty = SimpleIntegerProperty(meta.getInt("channel", 5))
-//    var channel by channelProperty
+    var power: Boolean by booleanState("power")
 
 
     @Throws(ControlException::class)
@@ -61,15 +55,12 @@ class MKSVacDevice(context: Context, meta: Meta) : PortSensor<Double>(context, m
         }
     }
 
-    @Throws(ControlException::class)
-    override fun buildPort(portName: String): Port {
-        val handler = super.buildPort(portName)
-        handler.setDelimiter(";FF")
-        return handler
+    override fun connect(meta: Meta): GenericPortController {
+        val port: Port = PortFactory.build(meta)
+        logger.info("Connecting to port {}", port.name)
+        return GenericPortController(context, port) { it.endsWith(";FF") }
     }
 
-    override fun createMeasurement(): Measurement<Double> = MKSVacMeasurement()
-
     @Throws(ControlException::class)
     override fun computeState(stateName: String): Any = when (stateName) {
         "power" -> talk("FP?") == "ON"
@@ -79,7 +70,7 @@ class MKSVacDevice(context: Context, meta: Meta) : PortSensor<Double>(context, m
     @Throws(ControlException::class)
     override fun requestStateChange(stateName: String, value: Value) {
         when (stateName) {
-            "power" -> setPower(value.booleanValue())
+            "power" -> setPowerOn(value.booleanValue())
             else -> super.requestStateChange(stateName, value)
         }
 
@@ -93,18 +84,8 @@ class MKSVacDevice(context: Context, meta: Meta) : PortSensor<Double>(context, m
         super.shutdown()
     }
 
-//    fun powerOnProperty(): BooleanProperty {
-//        try {
-//            return JavaBeanBooleanPropertyBuilder().bean(this)
-//                    .name("powerOn").getter("isPowerOn").setter("setPower").build()
-//        } catch (ex: NoSuchMethodException) {
-//            throw Error(ex)
-//        }
-//
-//    }
-
-    private fun setPower(powerOn: Boolean) {
-        if (powerOn != getLogicalState("power").booleanValue()) {
+    private fun setPowerOn(powerOn: Boolean) {
+        if (powerOn != power) {
             if (powerOn) {
                 //                String ans = talkMKS(p1Port, "@253ENC!OFF;FF");
                 //                if (!ans.equals("OFF")) {
@@ -112,47 +93,44 @@ class MKSVacDevice(context: Context, meta: Meta) : PortSensor<Double>(context, m
                 //                }
                 val ans = talk("FP!ON")
                 if (ans == "ON") {
-                    setLogicalState("power", true)
+                    updateLogicalState("power", true)
                 } else {
-                    this.notifyError("Failed to set power state", null)
+                    this.notifyError("Failed to set power state")
                 }
             } else {
                 val ans = talk("FP!OFF")
                 if (ans == "OFF") {
-                    setLogicalState("power", false)
+                    updateLogicalState("power", false)
                 } else {
-                    this.notifyError("Failed to set power state", null)
+                    this.notifyError("Failed to set power state")
                 }
             }
         }
     }
 
-    override fun getType(): String = meta.getString("type", "MKS vacuumeter")
+    override fun getType(): String = meta.getString("type", "numass.vac.mks")
 
-    private inner class MKSVacMeasurement : SimpleMeasurement<Double>() {
-
-        @Synchronized
-        @Throws(Exception::class)
-        override fun doMeasure(): Double? {
-            //            if (getState("power").booleanValue()) {
-            val channel = meta.getInt("channel", 5)
-            val answer = talk("PR$channel?")
-            if (answer == null || answer.isEmpty()) {
-                updateLogicalState(PortSensor.CONNECTED_STATE, false)
-                this.updateMessage("No connection")
-                return null
-            }
-            val res = parseDouble(answer)
-            return if (res <= 0) {
-                this.updateMessage("No power")
-                updateLogicalState("power", false)
-                null
-            } else {
-                this.updateMessage("OK")
-                res
-            }
+    override fun setMeasurement(oldMeta: Meta?, newMeta: Meta) {
+        startMeasurement(newMeta) {
+            doMeasure()
         }
+    }
 
-        override fun getDevice(): Device = this@MKSVacDevice
+    private fun doMeasure(): Meta {
+        //            if (getState("power").booleanValue()) {
+        val channel = meta.getInt("channel", 5)
+        val answer = talk("PR$channel?")
+        if (answer == null || answer.isEmpty()) {
+            updateLogicalState(PortSensor.CONNECTED_STATE, false)
+            return produceError("No connection")
+        }
+        val res = parseDouble(answer)
+        return if (res <= 0) {
+            updateLogicalState("power", false)
+            produceError("No power")
+        } else {
+            this.updateMessage("OK")
+            produceResult(res)
+        }
     }
 }

numass-control/vac/src/main/kotlin/inr/numass/control/readvac/MeradatVacDevice.kt

@@ -6,14 +6,14 @@
 package inr.numass.control.readvac
 
 import hep.dataforge.context.Context
-import hep.dataforge.control.devices.Device
 import hep.dataforge.control.devices.PortSensor
-import hep.dataforge.control.measurements.Measurement
-import hep.dataforge.control.measurements.SimpleMeasurement
+import hep.dataforge.control.devices.intState
+import hep.dataforge.control.ports.GenericPortController
 import hep.dataforge.control.ports.Port
+import hep.dataforge.control.ports.PortFactory
 import hep.dataforge.description.ValueDef
-import hep.dataforge.exceptions.ControlException
 import hep.dataforge.meta.Meta
+import hep.dataforge.states.StateDef
 import hep.dataforge.values.ValueType.NUMBER
 import java.math.BigDecimal
 import java.math.BigInteger
@@ -23,73 +23,63 @@ import java.util.regex.Pattern
 /**
  * @author Alexander Nozik
  */
-@ValueDef(name = "address", type = arrayOf(NUMBER), def = "1", info = "A modbus address")
+@StateDef(value = ValueDef(name = "address", type = [NUMBER], def = "1", info = "A modbus address"), writable = true)
 class MeradatVacDevice(context: Context, meta: Meta) : PortSensor<Double>(context, meta) {
 
-    @Throws(ControlException::class)
-    override fun buildPort(portName: String): Port {
-        val newHandler = super.buildPort(portName)
-        newHandler.setDelimiter("\r\n")
-        return newHandler
-    }
+    var address by intState("address")
 
-    override fun createMeasurement(): Measurement<Double> = MeradatMeasurement()
+    override fun connect(meta: Meta): GenericPortController {
+        val port: Port = PortFactory.build(meta)
+        logger.info("Connecting to port {}", port.name)
+
+        return GenericPortController(context, port) { it.endsWith("\r\n") }
+    }
 
     override fun getType(): String {
-        return getMeta().getString("type", "Vit vacuumeter")
+        return meta.getString("type", "numass.vac.vit")
+    }
+
+    override fun setMeasurement(oldMeta: Meta?, newMeta: Meta) {
+        startMeasurement(newMeta) {
+            doMeasure()
+        }
     }
 
 
-    private inner class MeradatMeasurement : SimpleMeasurement<Double>() {
+    private fun doMeasure(): Meta {
+        val requestBase: String = String.format(":%02d", address)
+        val dataStr = requestBase.substring(1) + REQUEST
+        val query = requestBase + REQUEST + calculateLRC(dataStr) + "\r\n" // ":010300000002FA\r\n";
+        val response: Pattern = Pattern.compile(requestBase + "0304(\\w{4})(\\w{4})..\r\n")
 
-        private val query: String // ":010300000002FA\r\n";
-        private val response: Pattern
-        private val base: String
+        val answer = sendAndWait(query) { phrase -> phrase.startsWith(requestBase) }
 
-        init {
-            base = String.format(":%02d", getMeta().getInt("address", 1))
-            val dataStr = base.substring(1) + REQUEST
-            query = base + REQUEST + calculateLRC(dataStr) + "\r\n"
-            response = Pattern.compile(base + "0304(\\w{4})(\\w{4})..\r\n")
-        }
+        if (answer.isEmpty()) {
+            updateLogicalState(PortSensor.CONNECTED_STATE, false)
+            return produceError("No signal")
+        } else {
+            val match = response.matcher(answer)
 
-        @Synchronized
-        @Throws(Exception::class)
-        override fun doMeasure(): Double? {
-
-            val answer = sendAndWait(query) { phrase -> phrase.startsWith(base) }
-
-            if (answer.isEmpty()) {
-                this.updateMessage("No signal")
-                updateLogicalState(PortSensor.CONNECTED_STATE, false)
-                return null
-            } else {
-                val match = response.matcher(answer)
-
-                if (match.matches()) {
-                    val base = Integer.parseInt(match.group(1), 16).toDouble() / 10.0
-                    var exp = Integer.parseInt(match.group(2), 16)
-                    if (exp > 32766) {
-                        exp -= 65536
-                    }
-                    var res = BigDecimal.valueOf(base * Math.pow(10.0, exp.toDouble()))
-                    res = res.setScale(4, RoundingMode.CEILING)
-                    this.updateMessage("OK")
-                    updateLogicalState(PortSensor.CONNECTED_STATE, true)
-                    return res.toDouble()
-                } else {
-                    this.updateMessage("Wrong answer: " + answer)
-                    updateLogicalState(PortSensor.CONNECTED_STATE, false)
-                    return null
+            return if (match.matches()) {
+                val base = Integer.parseInt(match.group(1), 16).toDouble() / 10.0
+                var exp = Integer.parseInt(match.group(2), 16)
+                if (exp > 32766) {
+                    exp -= 65536
                 }
+                var res = BigDecimal.valueOf(base * Math.pow(10.0, exp.toDouble()))
+                res = res.setScale(4, RoundingMode.CEILING)
+                updateLogicalState(PortSensor.CONNECTED_STATE, true)
+                produceResult(res)
+            } else {
+                updateLogicalState(PortSensor.CONNECTED_STATE, false)
+                produceError("Wrong answer: $answer")
             }
         }
-
-        override fun getDevice(): Device = this@MeradatVacDevice
     }
 
+
     companion object {
-        private val REQUEST = "0300000002"
+        private const val REQUEST = "0300000002"
 
         fun calculateLRC(inputString: String): String {
             /*
@@ -100,7 +90,7 @@ class MeradatVacDevice(context: Context, meta: Meta) : PortSensor<Double>(contex
             var value = Integer.toHexString(-checksum)
             value = value.substring(value.length - 2).toUpperCase()
             if (value.length < 2) {
-                value = "0" + value
+                value = "0$value"
             }
 
             return value

numass-control/vac/src/main/kotlin/inr/numass/control/readvac/VacCollectorDevice.kt

@@ -12,9 +12,9 @@ import hep.dataforge.control.collectors.RegularPointCollector
 import hep.dataforge.control.connections.Roles
 import hep.dataforge.control.devices.Device
 import hep.dataforge.control.devices.DeviceHub
+import hep.dataforge.control.devices.DeviceListener
+import hep.dataforge.control.devices.PortSensor.Companion.CONNECTED_STATE
 import hep.dataforge.control.devices.Sensor
-import hep.dataforge.control.measurements.AbstractMeasurement
-import hep.dataforge.control.measurements.Measurement
 import hep.dataforge.description.ValueDef
 import hep.dataforge.exceptions.ControlException
 import hep.dataforge.meta.Meta
@@ -31,13 +31,10 @@ import hep.dataforge.values.ValueType
 import hep.dataforge.values.Values
 import inr.numass.control.DeviceView
 import inr.numass.control.StorageHelper
+import kotlinx.coroutines.experimental.launch
+import kotlinx.coroutines.experimental.time.delay
 import java.time.Duration
-import java.time.Instant
 import java.util.*
-import java.util.concurrent.Executors
-import java.util.concurrent.ScheduledExecutorService
-import java.util.concurrent.ScheduledFuture
-import java.util.concurrent.TimeUnit
 import java.util.stream.Stream
 
 /**
@@ -50,8 +47,22 @@ class VacCollectorDevice(context: Context, meta: Meta, val sensors: Collection<S
 
     private val helper = StorageHelper(this, this::buildLoader)
 
-    private val averagingDuration: Duration
-        get() = Duration.parse(getMeta().getString("averagingDuration", "PT30S"))
+    private val collector = object : DeviceListener {
+        val averagingDuration: Duration = Duration.parse(meta.getString("averagingDuration", "PT30S"))
+        private val collector = RegularPointCollector(averagingDuration) {
+            notifyResult(it)
+        }
+
+        override fun notifyDeviceStateChanged(device: Device, name: String, state: Value) {
+
+        }
+
+        override fun notifyDeviceStateChanged(device: Device, name: String, state: Meta) {
+            if (name == MEASUREMENT_RESULT_STATE) {
+                collector.put(device.name, state.getValue("value"))
+            }
+        }
+    }
 
 
     override fun optDevice(name: Name): Optional<Device> =
@@ -66,8 +77,6 @@ class VacCollectorDevice(context: Context, meta: Meta, val sensors: Collection<S
             s.init()
         }
     }
-    //TODO use meta
-    override fun createMeasurement(): Measurement<Values> = VacuumMeasurement()
 
     override fun getType(): String = "numass.vac.collector"
 
@@ -87,7 +96,7 @@ class VacCollectorDevice(context: Context, meta: Meta, val sensors: Collection<S
 
         val suffix = DateTimeUtils.fileSuffix()
 
-        return LoaderFactory.buildPointLoader(connection.storage, "vactms_" + suffix, "", "timestamp", format.build())
+        return LoaderFactory.buildPointLoader(connection.storage, "vactms_$suffix", "", "timestamp", format.build())
     }
 
     override fun connectAll(connection: Connection, vararg roles: String) {
@@ -100,61 +109,46 @@ class VacCollectorDevice(context: Context, meta: Meta, val sensors: Collection<S
         this.sensors.forEach { it.connectionHelper.connect(context, meta) }
     }
 
-    private inner class VacuumMeasurement : AbstractMeasurement<Values>() {
 
-        private val collector = RegularPointCollector(averagingDuration) { this.result(it) }
-        private var executor: ScheduledExecutorService? = null
-        private var currentTask: ScheduledFuture<*>? = null
+    private fun notifyResult(values: Values) {
+        notifyResult(produceResult(values.toMeta()))
+        helper.push(values)
+    }
 
-        override fun getDevice(): Device {
-            return this@VacCollectorDevice
-        }
-
-
-        override fun start() {
-            executor = Executors.newSingleThreadScheduledExecutor { r: Runnable -> Thread(r, "VacuumMeasurement thread") }
-            val delay = getMeta().getInt("delay", 5)!! * 1000
-            currentTask = executor!!.scheduleWithFixedDelay({
-                sensors.forEach { sensor ->
-                    try {
-                        val value: Any?
-                        value = if (sensor.optBooleanState(CONNECTED_STATE).orElse(false)) {
-                            sensor.read()
-                        } else {
-                            null
-                        }
-                        collector.put(sensor.name, value)
-                    } catch (ex: Exception) {
-                        collector.put(sensor.name, Value.NULL)
-                    }
-                }
-            }, 0, delay.toLong(), TimeUnit.MILLISECONDS)
-        }
-
-
-        @Synchronized override fun result(result: Values, time: Instant) {
-            super.result(result, time)
-            helper.push(result)
-        }
-
-        private fun terminator(): Values {
-            val p = ValueMap.Builder()
-            p.putValue("timestamp", DateTimeUtils.now())
-            getDeviceNames().forEach { n -> p.putValue(n.toUnescaped(), null) }
-            return p.build()
-        }
-
-        override fun stop(force: Boolean): Boolean {
-            val isRunning = currentTask != null
-            if (isRunning) {
-                logger.debug("Stopping vacuum collector measurement. Writing terminator point")
-                result(terminator())
-                currentTask!!.cancel(force)
-                executor!!.shutdown()
-                currentTask = null
-                afterStop()
+    override fun onStateChange(stateName: String, oldState: Value?, newState: Value) {
+        if (stateName == MEASURING_STATE) {
+            if (!newState.booleanValue()) {
+                notifyResult(terminator())
             }
-            return isRunning
         }
     }
+
+    override fun setMeasurement(oldMeta: Meta?, newMeta: Meta) {
+        oldMeta?.let {
+            stopMeasurement()
+        }
+
+        val interval = Duration.ofSeconds(meta.getInt("delay", 5).toLong())
+
+        job = launch {
+            while (true) {
+                notifyMeasurementState(MeasurementState.IN_PROGRESS)
+                sensors.forEach { sensor ->
+                    if (sensor.optBooleanState(CONNECTED_STATE).orElse(false)) {
+                        sensor.measure()
+                    }
+                }
+                notifyMeasurementState(MeasurementState.WAITING)
+                delay(interval)
+            }
+        }
+    }
+
+    private fun terminator(): Values {
+        val p = ValueMap.Builder()
+        deviceNames.forEach { n -> p.putValue(n.toUnescaped(), null) }
+        return p.build()
+    }
+
+
 }