CHANGELOG.md

@@ -3,11 +3,8 @@
 ## Unreleased
 
 ### Added
-- Value averaging plot extension
-- PLC4X bindings
 
 ### Changed
-- Constructor properties return `DeviceStat` in order to be able to subscribe to them
 
 ### Deprecated
 

build.gradle.kts

@@ -6,14 +6,14 @@ plugins {
 }
 
 val dataforgeVersion: String by extra("0.8.0")
-val visionforgeVersion by extra("0.4.1")
+val visionforgeVersion by extra("0.4.0")
 val ktorVersion: String by extra(space.kscience.gradle.KScienceVersions.ktorVersion)
 val rsocketVersion by extra("0.15.4")
 val xodusVersion by extra("2.0.1")
 
 allprojects {
     group = "space.kscience"
-    version = "0.3.1-dev-1"
+    version = "0.3.0"
     repositories{
         maven("https://maven.pkg.jetbrains.space/spc/p/sci/dev")
     }

controls-constructor/src/commonMain/kotlin/space/kscience/controls/constructor/DeviceConstructor.kt

@@ -10,6 +10,7 @@ import space.kscience.dataforge.names.Name
 import space.kscience.dataforge.names.asName
 import kotlin.properties.PropertyDelegateProvider
 import kotlin.properties.ReadOnlyProperty
+import kotlin.properties.ReadWriteProperty
 import kotlin.reflect.KProperty
 import kotlin.time.Duration
 
@@ -54,17 +55,17 @@ public abstract class DeviceConstructor(
     /**
      * Register a property and provide a direct reader for it
      */
-    public fun <T, S: DeviceState<T>> property(
+    public fun <T : Any> property(
-        state: S,
+        state: DeviceState<T>,
         descriptorBuilder: PropertyDescriptor.() -> Unit = {},
         nameOverride: String? = null,
-    ): PropertyDelegateProvider<DeviceConstructor, ReadOnlyProperty<DeviceConstructor, S>> =
+    ): PropertyDelegateProvider<DeviceConstructor, ReadOnlyProperty<DeviceConstructor, T>> =
         PropertyDelegateProvider { _: DeviceConstructor, property ->
             val name = nameOverride ?: property.name
             val descriptor = PropertyDescriptor(name).apply(descriptorBuilder)
             registerProperty(descriptor, state)
             ReadOnlyProperty { _: DeviceConstructor, _ ->
-                state
+                state.value
             }
         }
 
@@ -78,14 +79,37 @@ public abstract class DeviceConstructor(
         initialState: T,
         descriptorBuilder: PropertyDescriptor.() -> Unit = {},
         nameOverride: String? = null,
-    ): PropertyDelegateProvider<DeviceConstructor, ReadOnlyProperty<DeviceConstructor, DeviceState<T>>> = property(
+    ): PropertyDelegateProvider<DeviceConstructor, ReadOnlyProperty<DeviceConstructor, T>> = property(
         DeviceState.external(this, metaConverter, readInterval, initialState, reader),
         descriptorBuilder,
         nameOverride,
     )
 
+
     /**
-     * Register a mutable external state as a property
+     * Register a mutable property and provide a direct reader for it
+     */
+    public fun <T : Any> mutableProperty(
+        state: MutableDeviceState<T>,
+        descriptorBuilder: PropertyDescriptor.() -> Unit = {},
+        nameOverride: String? = null,
+    ): PropertyDelegateProvider<DeviceConstructor, ReadWriteProperty<DeviceConstructor, T>> =
+        PropertyDelegateProvider { _: DeviceConstructor, property ->
+            val name = nameOverride ?: property.name
+            val descriptor = PropertyDescriptor(name).apply(descriptorBuilder)
+            registerProperty(descriptor, state)
+            object : ReadWriteProperty<DeviceConstructor, T> {
+                override fun getValue(thisRef: DeviceConstructor, property: KProperty<*>): T = state.value
+
+                override fun setValue(thisRef: DeviceConstructor, property: KProperty<*>, value: T) {
+                    state.value = value
+                }
+
+            }
+        }
+
+    /**
+     * Register external state as a property
      */
     public fun <T : Any> mutableProperty(
         metaConverter: MetaConverter<T>,
@@ -95,22 +119,22 @@ public abstract class DeviceConstructor(
         initialState: T,
         descriptorBuilder: PropertyDescriptor.() -> Unit = {},
         nameOverride: String? = null,
-    ): PropertyDelegateProvider<DeviceConstructor, ReadOnlyProperty<DeviceConstructor, MutableDeviceState<T>>> = property(
+    ): PropertyDelegateProvider<DeviceConstructor, ReadWriteProperty<DeviceConstructor, T>> = mutableProperty(
         DeviceState.external(this, metaConverter, readInterval, initialState, reader, writer),
         descriptorBuilder,
         nameOverride,
     )
 
     /**
-     * Create and register a virtual mutable property with optional [callback]
+     * Create and register a virtual property with optional [callback]
      */
-    public fun <T> virtualProperty(
+    public fun <T : Any> state(
         metaConverter: MetaConverter<T>,
         initialState: T,
         descriptorBuilder: PropertyDescriptor.() -> Unit = {},
         nameOverride: String? = null,
         callback: (T) -> Unit = {},
-    ): PropertyDelegateProvider<DeviceConstructor, ReadOnlyProperty<DeviceConstructor, MutableDeviceState<T>>> = property(
+    ): PropertyDelegateProvider<DeviceConstructor, ReadWriteProperty<DeviceConstructor, T>> = mutableProperty(
         DeviceState.virtual(metaConverter, initialState, callback),
         descriptorBuilder,
         nameOverride,

controls-constructor/src/commonMain/kotlin/space/kscience/controls/constructor/DeviceGroup.kt

@@ -28,7 +28,7 @@ public open class DeviceGroup(
 ) : DeviceHub, CachingDevice {
 
     internal class Property(
-        val state: DeviceState<*>,
+        val state: DeviceState<out Any>,
         val descriptor: PropertyDescriptor,
     )
 
@@ -82,7 +82,7 @@ public open class DeviceGroup(
     /**
      * Register a new property based on [DeviceState]. Properties could be modified dynamically
      */
-    public fun registerProperty(descriptor: PropertyDescriptor, state: DeviceState<*>) {
+    public fun registerProperty(descriptor: PropertyDescriptor, state: DeviceState<out Any>) {
         val name = descriptor.name.parseAsName()
         require(properties[name] == null) { "Can't add property with name $name. It already exists." }
         properties[name] = Property(state, descriptor)

controls-constructor/src/commonMain/kotlin/space/kscience/controls/constructor/DeviceState.kt

@@ -1,7 +1,6 @@
 package space.kscience.controls.constructor
 
 import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.launch
@@ -12,7 +11,6 @@ import space.kscience.controls.spec.MutableDevicePropertySpec
 import space.kscience.controls.spec.name
 import space.kscience.dataforge.meta.Meta
 import space.kscience.dataforge.meta.MetaConverter
-import kotlin.reflect.KProperty
 import kotlin.time.Duration
 
 /**
@@ -31,13 +29,6 @@ public val <T> DeviceState<T>.metaFlow: Flow<Meta> get() = valueFlow.map(convert
 
 public val <T> DeviceState<T>.valueAsMeta: Meta get() = converter.convert(value)
 
-public operator fun <T> DeviceState<T>.getValue(thisRef: Any?, property: KProperty<*>): T = value
-
-/**
- * Collect values in a given [scope]
- */
-public fun <T> DeviceState<T>.collectValuesIn(scope: CoroutineScope, block: suspend (T)->Unit): Job =
-    valueFlow.onEach(block).launchIn(scope)
 
 /**
  * A mutable state of a device
@@ -46,11 +37,7 @@ public interface MutableDeviceState<T> : DeviceState<T> {
     override var value: T
 }
 
-public operator fun <T> MutableDeviceState<T>.setValue(thisRef: Any?, property: KProperty<*>, value: T) {
+public var <T : Any> MutableDeviceState<T>.valueAsMeta: Meta
-    this.value = value
-}
-
-public var <T> MutableDeviceState<T>.valueAsMeta: Meta
     get() = converter.convert(value)
     set(arg) {
         value = converter.read(arg)
@@ -229,9 +216,6 @@ private class MutableExternalState<T>(
         }
 }
 
-/**
- * Create a [DeviceState] that regularly reads and caches an external value
- */
 public fun <T> DeviceState.Companion.external(
     scope: CoroutineScope,
     converter: MetaConverter<T>,

controls-core/src/commonMain/kotlin/space/kscience/controls/misc/PropertyHistory.kt

@@ -10,7 +10,6 @@ import space.kscience.controls.api.PropertyChangedMessage
 import space.kscience.controls.spec.DevicePropertySpec
 import space.kscience.controls.spec.name
 import space.kscience.dataforge.meta.MetaConverter
-import space.kscience.dataforge.names.Name
 
 /**
  * An interface for device property history.
@@ -35,7 +34,6 @@ public interface PropertyHistory<T> {
 public class CollectedPropertyHistory<T>(
     public val scope: CoroutineScope,
     eventFlow: Flow<DeviceMessage>,
-    public val deviceName: Name,
     public val propertyName: String,
     public val converter: MetaConverter<T>,
     maxSize: Int = 1000,
@@ -43,7 +41,7 @@ public class CollectedPropertyHistory<T>(
 
     private val store: SharedFlow<ValueWithTime<T>> = eventFlow
         .filterIsInstance<PropertyChangedMessage>()
-        .filter { it.sourceDevice == deviceName && it.property == propertyName }
+        .filter { it.property == propertyName }
         .map { ValueWithTime(converter.read(it.value), it.time) }
         .shareIn(scope, started = SharingStarted.Eagerly, replay = maxSize)
 
@@ -56,15 +54,13 @@ public class CollectedPropertyHistory<T>(
  */
 public fun <T> Device.collectPropertyHistory(
     scope: CoroutineScope = this,
-    deviceName: Name,
     propertyName: String,
     converter: MetaConverter<T>,
     maxSize: Int = 1000,
-): PropertyHistory<T> = CollectedPropertyHistory(scope, messageFlow, deviceName, propertyName, converter, maxSize)
+): PropertyHistory<T> = CollectedPropertyHistory(scope, messageFlow, propertyName, converter, maxSize)
 
 public fun <D : Device, T> D.collectPropertyHistory(
     scope: CoroutineScope = this,
-    deviceName: Name,
     spec: DevicePropertySpec<D, T>,
     maxSize: Int = 1000,
-): PropertyHistory<T> = collectPropertyHistory(scope, deviceName, spec.name, spec.converter, maxSize)
+): PropertyHistory<T> = collectPropertyHistory(scope, spec.name, spec.converter, maxSize)

controls-opcua/src/main/kotlin/space/kscience/controls/opcua/server/DeviceNameSpace.kt

@@ -75,7 +75,7 @@ public class DeviceNameSpace(
 
                 browseName = newQualifiedName(propertyName)
                 displayName = LocalizedText.english(propertyName)
-                dataType = if (descriptor.metaDescriptor.nodes.isNotEmpty()) {
+                dataType = if (descriptor.metaDescriptor.children.isNotEmpty()) {
                     Identifiers.String
                 } else when (descriptor.metaDescriptor.valueTypes?.first()) {
                     null, ValueType.STRING, ValueType.NULL -> Identifiers.String

controls-plc4x/build.gradle.kts

@@ -1,24 +0,0 @@
-import space.kscience.gradle.Maturity
-
-plugins {
-    id("space.kscience.gradle.mpp")
-    `maven-publish`
-}
-
-val plc4xVersion = "0.12.0"
-
-description = """
-    A plugin for Controls-kt device server on top of plc4x library
-""".trimIndent()
-
-kscience{
-    jvm()
-    jvmMain{
-        api(projects.controlsCore)
-        api("org.apache.plc4x:plc4j-spi:$plc4xVersion")
-    }
-}
-
-readme{
-    maturity = Maturity.EXPERIMENTAL
-}

controls-plc4x/src/jvmMain/kotlin/space/kscience/controls/plc4x/Plc4XDevice.kt

@@ -1,28 +0,0 @@
-package space.kscience.controls.plc4x
-
-import kotlinx.coroutines.future.await
-import org.apache.plc4x.java.api.PlcConnection
-import org.apache.plc4x.java.api.messages.PlcWriteRequest
-import space.kscience.controls.api.Device
-import space.kscience.dataforge.meta.Meta
-
-public interface Plc4XDevice: Device {
-    public val connection: PlcConnection
-
-    public suspend fun read(plc4xProperty: Plc4xProperty): Meta = with(plc4xProperty){
-        val request = connection.readRequestBuilder().request().build()
-        val response = request.execute().await()
-        response.readProperty()
-    }
-
-    public suspend fun write(plc4xProperty: Plc4xProperty, value: Meta): Unit = with(plc4xProperty){
-        val request: PlcWriteRequest = connection.writeRequestBuilder().writeProperty(value).build()
-       request.execute().await()
-    }
-
-    public suspend fun subscribe(propertyName: String, plc4xProperty: Plc4xProperty): Unit = with(plc4xProperty){
-
-    }
-
-}
-

controls-plc4x/src/jvmMain/kotlin/space/kscience/controls/plc4x/Plc4xProperty.kt

@@ -1,31 +0,0 @@
-package space.kscience.controls.plc4x
-
-import org.apache.plc4x.java.api.messages.PlcReadRequest
-import org.apache.plc4x.java.api.messages.PlcReadResponse
-import org.apache.plc4x.java.api.messages.PlcWriteRequest
-import org.apache.plc4x.java.api.types.PlcValueType
-import space.kscience.dataforge.meta.Meta
-
-public interface Plc4xProperty {
-
-    public fun PlcReadRequest.Builder.request(): PlcReadRequest.Builder
-
-    public fun PlcReadResponse.readProperty(): Meta
-
-    public fun PlcWriteRequest.Builder.writeProperty(meta: Meta): PlcWriteRequest.Builder
-}
-
-public class DefaultPlc4xProperty(
-    private val address: String,
-    private val plcValueType: PlcValueType,
-    private val name: String = "@default",
-) : Plc4xProperty {
-
-    override fun PlcReadRequest.Builder.request(): PlcReadRequest.Builder =
-        addTagAddress(name, address)
-    override fun PlcReadResponse.readProperty(): Meta =
-        asPlcValue.toMeta()
-
-    override fun PlcWriteRequest.Builder.writeProperty(meta: Meta): PlcWriteRequest.Builder =
-        addTagAddress(name, address, meta.toPlcValue(plcValueType))
-}

controls-plc4x/src/jvmMain/kotlin/space/kscience/controls/plc4x/plc4xConnector.kt

@@ -1,123 +0,0 @@
-package space.kscience.controls.plc4x
-
-import org.apache.plc4x.java.api.types.PlcValueType
-import org.apache.plc4x.java.api.value.PlcValue
-import org.apache.plc4x.java.spi.values.*
-import space.kscience.dataforge.meta.*
-import space.kscience.dataforge.names.asName
-import java.math.BigInteger
-
-internal fun PlcValue.toMeta(): Meta = Meta {
-    when (plcValueType) {
-        null, PlcValueType.NULL -> value = Null
-        PlcValueType.BOOL -> value = this@toMeta.boolean.asValue()
-        PlcValueType.BYTE -> this@toMeta.byte.asValue()
-        PlcValueType.WORD -> this@toMeta.short.asValue()
-        PlcValueType.DWORD -> this@toMeta.int.asValue()
-        PlcValueType.LWORD -> this@toMeta.long.asValue()
-        PlcValueType.USINT -> this@toMeta.short.asValue()
-        PlcValueType.UINT -> this@toMeta.int.asValue()
-        PlcValueType.UDINT -> this@toMeta.long.asValue()
-        PlcValueType.ULINT -> this@toMeta.bigInteger.asValue()
-        PlcValueType.SINT -> this@toMeta.byte.asValue()
-        PlcValueType.INT -> this@toMeta.short.asValue()
-        PlcValueType.DINT -> this@toMeta.int.asValue()
-        PlcValueType.LINT -> this@toMeta.long.asValue()
-        PlcValueType.REAL -> this@toMeta.float.asValue()
-        PlcValueType.LREAL -> this@toMeta.double.asValue()
-        PlcValueType.CHAR -> this@toMeta.int.asValue()
-        PlcValueType.WCHAR -> this@toMeta.short.asValue()
-        PlcValueType.STRING -> this@toMeta.string.asValue()
-        PlcValueType.WSTRING -> this@toMeta.string.asValue()
-        PlcValueType.TIME -> this@toMeta.duration.toString().asValue()
-        PlcValueType.LTIME -> this@toMeta.duration.toString().asValue()
-        PlcValueType.DATE -> this@toMeta.date.toString().asValue()
-        PlcValueType.LDATE -> this@toMeta.date.toString().asValue()
-        PlcValueType.TIME_OF_DAY -> this@toMeta.time.toString().asValue()
-        PlcValueType.LTIME_OF_DAY -> this@toMeta.time.toString().asValue()
-        PlcValueType.DATE_AND_TIME -> this@toMeta.dateTime.toString().asValue()
-        PlcValueType.DATE_AND_LTIME -> this@toMeta.dateTime.toString().asValue()
-        PlcValueType.LDATE_AND_TIME -> this@toMeta.dateTime.toString().asValue()
-        PlcValueType.Struct -> this@toMeta.struct.forEach { (name, item) ->
-            set(name, item.toMeta())
-        }
-
-        PlcValueType.List -> {
-            val listOfMeta = this@toMeta.list.map { it.toMeta() }
-            if (listOfMeta.all { it.items.isEmpty() }) {
-                value = listOfMeta.map { it.value ?: Null }.asValue()
-            } else {
-                setIndexed("@list".asName(), list.map { it.toMeta() })
-            }
-        }
-
-        PlcValueType.RAW_BYTE_ARRAY -> this@toMeta.raw.asValue()
-    }
-}
-
-private fun Value.toPlcValue(): PlcValue = when (type) {
-    ValueType.NUMBER -> when (val number = number) {
-        is Short -> PlcINT(number.toShort())
-        is Int -> PlcDINT(number.toInt())
-        is Long -> PlcLINT(number.toLong())
-        is Float -> PlcREAL(number.toFloat())
-        else -> PlcLREAL(number.toDouble())
-    }
-
-    ValueType.STRING -> PlcSTRING(string)
-    ValueType.BOOLEAN -> PlcBOOL(boolean)
-    ValueType.NULL -> PlcNull()
-    ValueType.LIST -> TODO()
-}
-
-internal fun Meta.toPlcValue(hint: PlcValueType): PlcValue = when (hint) {
-    PlcValueType.Struct -> PlcStruct(
-        items.entries.associate { (token, item) ->
-            token.toString() to item.toPlcValue(PlcValueType.Struct)
-        }
-    )
-
-    PlcValueType.NULL -> PlcNull()
-    PlcValueType.BOOL -> PlcBOOL(boolean)
-    PlcValueType.BYTE -> PlcBYTE(int)
-    PlcValueType.WORD -> PlcWORD(int)
-    PlcValueType.DWORD -> PlcDWORD(int)
-    PlcValueType.LWORD -> PlcLWORD(long)
-    PlcValueType.USINT -> PlcLWORD(short)
-    PlcValueType.UINT -> PlcUINT(int)
-    PlcValueType.UDINT -> PlcDINT(long)
-    PlcValueType.ULINT -> (number as? BigInteger)?.let { PlcULINT(it) } ?: PlcULINT(long)
-    PlcValueType.SINT -> PlcSINT(int)
-    PlcValueType.INT -> PlcINT(int)
-    PlcValueType.DINT -> PlcDINT(int)
-    PlcValueType.LINT -> PlcLINT(long)
-    PlcValueType.REAL -> PlcREAL(float)
-    PlcValueType.LREAL -> PlcLREAL(double)
-    PlcValueType.CHAR -> PlcCHAR(int)
-    PlcValueType.WCHAR -> PlcWCHAR(short)
-    PlcValueType.STRING -> PlcSTRING(string)
-    PlcValueType.WSTRING -> PlcWSTRING(string)
-    PlcValueType.TIME -> PlcTIME(string?.let { java.time.Duration.parse(it) })
-    PlcValueType.LTIME -> PlcLTIME(string?.let { java.time.Duration.parse(it) })
-    PlcValueType.DATE -> PlcDATE(string?.let { java.time.LocalDate.parse(it) })
-    PlcValueType.LDATE -> PlcLDATE(string?.let { java.time.LocalDate.parse(it) })
-    PlcValueType.TIME_OF_DAY -> PlcTIME_OF_DAY(string?.let { java.time.LocalTime.parse(it) })
-    PlcValueType.LTIME_OF_DAY -> PlcLTIME_OF_DAY(string?.let { java.time.LocalTime.parse(it) })
-    PlcValueType.DATE_AND_TIME -> PlcDATE_AND_TIME(string?.let { java.time.LocalDateTime.parse(it) })
-    PlcValueType.DATE_AND_LTIME -> PlcDATE_AND_LTIME(string?.let { java.time.LocalDateTime.parse(it) })
-    PlcValueType.LDATE_AND_TIME -> PlcLDATE_AND_TIME(string?.let { java.time.LocalDateTime.parse(it) })
-    PlcValueType.List -> PlcList().apply {
-        value?.list?.forEach { add(it.toPlcValue()) }
-        getIndexed("@list").forEach { (_, meta) ->
-            if (meta.items.isEmpty()) {
-                meta.value?.let { add(it.toPlcValue()) }
-            } else {
-                add(meta.toPlcValue(PlcValueType.Struct))
-            }
-        }
-    }
-
-    PlcValueType.RAW_BYTE_ARRAY -> PlcRawByteArray(
-        value?.list?.map { it.number.toByte() }?.toByteArray() ?: error("The meta content is not byte array")
-    )
-}

controls-vision/src/commonMain/kotlin/plotExtensions.kt

@@ -2,8 +2,13 @@
 
 package space.kscience.controls.vision
 
-import kotlinx.coroutines.*
+import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.FlowPreview
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.flow.sample
+import kotlinx.coroutines.flow.transform
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.datetime.Clock
@@ -17,7 +22,6 @@ import space.kscience.controls.spec.DevicePropertySpec
 import space.kscience.controls.spec.name
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.meta.*
-import space.kscience.dataforge.misc.DFExperimental
 import space.kscience.plotly.Plot
 import space.kscience.plotly.bar
 import space.kscience.plotly.models.Bar
@@ -180,58 +184,3 @@ public fun Plot.plotBooleanState(
 ): Job = bar(configuration).run {
     updateFromState(context, state, { asValue() }, maxAge, maxPoints, minPoints, sampling)
 }
-
-private fun <T> Flow<T>.chunkedByPeriod(duration: Duration): Flow<List<T>> {
-    val collector: ArrayDeque<T> = ArrayDeque<T>()
-    return channelFlow {
-        launch {
-            while (isActive) {
-                delay(duration)
-                send(ArrayList(collector))
-                collector.clear()
-            }
-        }
-        this@chunkedByPeriod.collect {
-            collector.add(it)
-        }
-    }
-}
-
-private fun List<Instant>.averageTime(): Instant {
-    val min = min()
-    val max = max()
-    val duration = max - min
-    return min + duration / 2
-}
-
-/**
- * Average property value by [averagingInterval]. Return [missingValue] on each sample interval if no events arrived.
- */
-@DFExperimental
-public fun Plot.plotAveragedDeviceProperty(
-    device: Device,
-    propertyName: String,
-    missingValue: Double = 0.0,
-    extractValue: Meta.() -> Double = { value?.double ?: missingValue },
-    maxAge: Duration = defaultMaxAge,
-    maxPoints: Int = defaultMaxPoints,
-    minPoints: Int = defaultMinPoints,
-    averagingInterval: Duration = defaultSampling,
-    coroutineScope: CoroutineScope = device.context,
-    configuration: Scatter.() -> Unit = {},
-): Job = scatter(configuration).run {
-    val data = TimeData()
-    device.propertyMessageFlow(propertyName).chunkedByPeriod(averagingInterval).transform { eventList ->
-        if (eventList.isEmpty()) {
-            data.append(Clock.System.now(), missingValue.asValue())
-        } else {
-            val time = eventList.map { it.time }.averageTime()
-            val value = eventList.map { extractValue(it.value) }.average()
-            data.append(time, value.asValue())
-        }
-        data.trim(maxAge, maxPoints, minPoints)
-        emit(data)
-    }.onEach {
-        it.fillPlot(x, y)
-    }.launchIn(coroutineScope)
-}

controls-vision/src/jsMain/kotlin/ControlsVisionPlugin.js.kt

@@ -1,17 +1,29 @@
 package space.kscience.controls.vision
 
 import kotlinx.serialization.modules.SerializersModule
+import org.w3c.dom.Element
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.context.PluginFactory
 import space.kscience.dataforge.context.PluginTag
 import space.kscience.dataforge.meta.Meta
+import space.kscience.dataforge.names.Name
+import space.kscience.visionforge.Vision
 import space.kscience.visionforge.VisionPlugin
+import space.kscience.visionforge.html.ElementVisionRenderer
 
-public actual class ControlVisionPlugin : VisionPlugin() {
+public actual class ControlVisionPlugin : VisionPlugin(), ElementVisionRenderer {
     override val tag: PluginTag get() = Companion.tag
 
     override val visionSerializersModule: SerializersModule get() = controlsVisionSerializersModule
 
+    override fun rateVision(vision: Vision): Int {
+        TODO("Not yet implemented")
+    }
+
+    override fun render(element: Element, name: Name, vision: Vision, meta: Meta) {
+        TODO("Not yet implemented")
+    }
+
     public actual companion object : PluginFactory<ControlVisionPlugin> {
         override val tag: PluginTag = PluginTag("controls.vision")
 

demo/constructor/api/constructor.api

@@ -14,7 +14,7 @@ public final class space/kscience/controls/demo/constructor/LinearDrive : space/
 	public final fun getDrive ()Lspace/kscience/controls/constructor/Drive;
 	public final fun getEnd ()Lspace/kscience/controls/constructor/LimitSwitch;
 	public final fun getPid ()Lspace/kscience/controls/constructor/PidRegulator;
-	public final fun getPositionState ()Lspace/kscience/controls/constructor/DoubleRangeState;
+	public final fun getPosition ()D
 	public final fun getStart ()Lspace/kscience/controls/constructor/LimitSwitch;
 	public final fun getTarget ()D
 	public final fun setTarget (D)V

demo/constructor/build.gradle.kts

@@ -3,7 +3,7 @@ import org.jetbrains.kotlin.gradle.dsl.ExplicitApiMode
 
 plugins {
     id("space.kscience.gradle.mpp")
-    alias(spclibs.plugins.compose)
+    id("org.jetbrains.compose") version "1.5.11"
 }
 
 kscience {

demo/constructor/src/jvmMain/kotlin/main.kt

@@ -52,9 +52,8 @@ class LinearDrive(
     val end by device(LimitSwitch.factory(state.atEndState))
 
 
-    val positionState: DoubleRangeState by property(state)
+    val position by property(state)
-    private val targetState: MutableDeviceState<Double> by property(pid.mutablePropertyAsState(Regulator.target, 0.0))
+    var target by mutableProperty(pid.mutablePropertyAsState(Regulator.target, 0.0))
-    var target by targetState
 }
 
 

gradle.properties

@@ -7,4 +7,4 @@ org.gradle.parallel=true
 org.gradle.configureondemand=true
 org.gradle.jvmargs=-Xmx4096m
 
-toolsVersion=0.15.2-kotlin-1.9.22
+toolsVersion=0.15.2-kotlin-1.9.21

magix/magix-api/src/commonMain/kotlin/space/kscience/magix/services/MagixRegistry.kt

@@ -127,11 +127,11 @@ public fun CoroutineScope.launchMagixRegistry(
  *
  * If [registryEndpoint] field is provided, send request only to given endpoint.
  *
- * @param sourceEndpoint the name of endpoint requesting a property
+ * @param endpointName the name of endpoint requesting a property
  */
 public suspend fun MagixEndpoint.getProperty(
     propertyName: String,
-    sourceEndpoint: String,
+    endpointName: String,
     user: JsonElement? = null,
     registryEndpoint: String? = null,
 ): Flow<Pair<String, JsonElement>> = subscribe(
@@ -146,7 +146,7 @@ public suspend fun MagixEndpoint.getProperty(
     send(
         MagixRegistryMessage.format,
         MagixRegistryRequestMessage(propertyName),
-        source = sourceEndpoint,
+        source = endpointName,
         target = registryEndpoint,
         user = user
     )

magix/magix-utils/build.gradle.kts

@@ -1,27 +0,0 @@
-import space.kscience.gradle.Maturity
-
-plugins {
-    id("space.kscience.gradle.mpp")
-    `maven-publish`
-}
-
-description = """
-    Common utilities and services for Magix endpoints.   
-""".trimIndent()
-
-val dataforgeVersion: String by rootProject.extra
-
-kscience {
-    jvm()
-    js()
-    native()
-    useSerialization()
-    commonMain {
-        api(projects.magix.magixApi)
-        api("space.kscience:dataforge-meta:$dataforgeVersion")
-    }
-}
-
-readme {
-    maturity = Maturity.EXPERIMENTAL
-}

magix/magix-utils/src/commonMain/kotlin/space/kscience/magix/services/WatcherEndpointWrapper.kt

@@ -1,82 +0,0 @@
-package space.kscience.magix.services
-
-import kotlinx.coroutines.*
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.collect
-import kotlinx.coroutines.flow.filter
-import kotlinx.coroutines.flow.onEach
-import kotlinx.serialization.json.JsonNull
-import kotlinx.serialization.json.JsonPrimitive
-import kotlinx.serialization.json.jsonPrimitive
-import space.kscience.dataforge.meta.Meta
-import space.kscience.dataforge.meta.get
-import space.kscience.dataforge.meta.string
-import space.kscience.magix.api.MagixEndpoint
-import space.kscience.magix.api.MagixMessage
-import space.kscience.magix.api.MagixMessageFilter
-import space.kscience.magix.api.send
-import kotlin.time.Duration
-import kotlin.time.Duration.Companion.seconds
-
-public class WatcherEndpointWrapper(
-    private val scope: CoroutineScope,
-    private val endpointName: String,
-    private val endpoint: MagixEndpoint,
-    private val meta: Meta,
-) : MagixEndpoint {
-
-    private val watchDogJob: Job = scope.launch {
-        val filter = MagixMessageFilter(
-            format = listOf(MAGIX_WATCHDOG_FORMAT),
-            target = listOf(null, endpointName)
-        )
-        endpoint.subscribe(filter).filter {
-            it.payload.jsonPrimitive.content == MAGIX_PING
-        }.onEach { request ->
-            endpoint.send(
-                MagixMessage(
-                    MAGIX_WATCHDOG_FORMAT,
-                    JsonPrimitive(MAGIX_PONG),
-                    sourceEndpoint = endpointName,
-                    targetEndpoint = request.sourceEndpoint,
-                    parentId = request.id
-                )
-            )
-        }.collect()
-    }
-
-    private val heartBeatDelay: Duration = meta["heartbeat.period"].string?.let { Duration.parse(it) } ?: 10.seconds
-    //TODO add update from registry
-
-    private val heartBeatJob = scope.launch {
-        while (isActive){
-            delay(heartBeatDelay)
-            endpoint.send(
-                MagixMessage(
-                    MAGIX_HEARTBEAT_FORMAT,
-                    JsonNull, //TODO consider adding timestamp
-                    endpointName
-                )
-            )
-        }
-    }
-
-    override fun subscribe(filter: MagixMessageFilter): Flow<MagixMessage> = endpoint.subscribe(filter)
-
-    override suspend fun broadcast(message: MagixMessage) {
-        endpoint.broadcast(message)
-    }
-
-    override fun close() {
-        endpoint.close()
-        watchDogJob.cancel()
-        heartBeatJob.cancel()
-    }
-
-    public companion object {
-        public const val MAGIX_WATCHDOG_FORMAT: String = "magix.watchdog"
-        public const val MAGIX_PING: String = "ping"
-        public const val MAGIX_PONG: String = "pong"
-        public const val MAGIX_HEARTBEAT_FORMAT: String = "magix.heartbeat"
-    }
-}

settings.gradle.kts

@@ -47,7 +47,6 @@ include(
     ":controls-server",
     ":controls-opcua",
     ":controls-modbus",
-    ":controls-plc4x",
 //    ":controls-mongo",
     ":controls-storage",
     ":controls-storage:controls-xodus",
@@ -56,7 +55,6 @@ include(
     ":controls-jupyter",
     ":magix",
     ":magix:magix-api",
-    ":magix:magix-utils",
     ":magix:magix-server",
     ":magix:magix-rsocket",
     ":magix:magix-java-endpoint",