build.gradle.kts

@@ -6,7 +6,7 @@ plugins {
 }
 
 val dataforgeVersion: String by extra("0.6.2")
-val visionforgeVersion by extra("0.3.0-dev-14")
+val visionforgeVersion by extra("0.3.0-dev-10")
 val ktorVersion: String by extra(space.kscience.gradle.KScienceVersions.ktorVersion)
 val rsocketVersion by extra("0.15.4")
 val xodusVersion by extra("2.0.1")

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

@@ -1,126 +0,0 @@
-package space.kscience.controls.constructor
-
-import space.kscience.controls.api.Device
-import space.kscience.controls.api.PropertyDescriptor
-import space.kscience.controls.manager.DeviceManager
-import space.kscience.dataforge.context.Factory
-import space.kscience.dataforge.meta.Meta
-import space.kscience.dataforge.meta.transformations.MetaConverter
-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
-
-/**
- * A base for strongly typed device constructor blocks. Has additional delegates for type-safe devices
- */
-public abstract class DeviceConstructor(
-    deviceManager: DeviceManager,
-    meta: Meta,
-) : DeviceGroup(deviceManager, meta) {
-
-    /**
-     * Register a device, provided by a given [factory] and
-     */
-    public fun <D : Device> device(
-        factory: Factory<D>,
-        meta: Meta? = null,
-        nameOverride: Name? = null,
-        metaLocation: Name? = null,
-    ): PropertyDelegateProvider<DeviceConstructor, ReadOnlyProperty<DeviceConstructor, D>> =
-        PropertyDelegateProvider { _: DeviceConstructor, property: KProperty<*> ->
-            val name = nameOverride ?: property.name.asName()
-            val device = install(name, factory, meta, metaLocation ?: name)
-            ReadOnlyProperty { _: DeviceConstructor, _ ->
-                device
-            }
-        }
-
-    public fun <D : Device> device(
-        device: D,
-        nameOverride: Name? = null,
-    ): PropertyDelegateProvider<DeviceConstructor, ReadOnlyProperty<DeviceConstructor, D>> =
-        PropertyDelegateProvider { _: DeviceConstructor, property: KProperty<*> ->
-            val name = nameOverride ?: property.name.asName()
-            install(name, device)
-            ReadOnlyProperty { _: DeviceConstructor, _ ->
-                device
-            }
-        }
-
-
-    /**
-     * Register a property and provide a direct reader for it
-     */
-    public fun <T : Any> property(
-        state: DeviceState<T>,
-        nameOverride: String? = null,
-        descriptorBuilder: PropertyDescriptor.() -> Unit = {},
-    ): 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.value
-            }
-        }
-
-    /**
-     * Register external state as a property
-     */
-    public fun <T : Any> property(
-        metaConverter: MetaConverter<T>,
-        reader: suspend () -> T,
-        readInterval: Duration,
-        initialState: T,
-        nameOverride: String? = null,
-        descriptorBuilder: PropertyDescriptor.() -> Unit = {},
-    ): PropertyDelegateProvider<DeviceConstructor, ReadOnlyProperty<DeviceConstructor, T>> = property(
-        DeviceState.external(this, metaConverter, readInterval, initialState, reader),
-        nameOverride, descriptorBuilder
-    )
-
-
-    /**
-     * Register a mutable property and provide a direct reader for it
-     */
-    public fun <T : Any> mutableProperty(
-        state: MutableDeviceState<T>,
-        nameOverride: String? = null,
-        descriptorBuilder: PropertyDescriptor.() -> Unit = {},
-    ): 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>,
-        reader: suspend () -> T,
-        writer: suspend (T) -> Unit,
-        readInterval: Duration,
-        initialState: T,
-        nameOverride: String? = null,
-        descriptorBuilder: PropertyDescriptor.() -> Unit = {},
-    ): PropertyDelegateProvider<DeviceConstructor, ReadWriteProperty<DeviceConstructor, T>> = mutableProperty(
-        DeviceState.external(this, metaConverter, readInterval, initialState, reader, writer),
-        nameOverride,
-        descriptorBuilder
-    )
-}

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

@@ -3,15 +3,11 @@ package space.kscience.controls.constructor
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
-import kotlinx.coroutines.flow.launchIn
-import kotlinx.coroutines.flow.onEach
 import space.kscience.controls.api.*
-import space.kscience.controls.api.DeviceLifecycleState.*
 import space.kscience.controls.manager.DeviceManager
 import space.kscience.controls.manager.install
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.context.Factory
-import space.kscience.dataforge.context.request
 import space.kscience.dataforge.meta.Laminate
 import space.kscience.dataforge.meta.Meta
 import space.kscience.dataforge.meta.MutableMeta
@@ -26,7 +22,7 @@ import kotlin.coroutines.CoroutineContext
 /**
  * A mutable group of devices and properties to be used for lightweight design and simulations.
  */
-public open class DeviceGroup(
+public class DeviceGroup(
     public val deviceManager: DeviceManager,
     override val meta: Meta,
 ) : DeviceHub, CachingDevice {
@@ -42,19 +38,14 @@ public open class DeviceGroup(
     )
 
 
-    override final val context: Context get() = deviceManager.context
+    override val context: Context get() = deviceManager.context
 
-
-    private val sharedMessageFlow = MutableSharedFlow<DeviceMessage>()
-
-    override val messageFlow: Flow<DeviceMessage>
-        get() = sharedMessageFlow
-
-    override val coroutineContext: CoroutineContext = context.newCoroutineContext(
+    override val coroutineContext: CoroutineContext by lazy {
+        context.newCoroutineContext(
             SupervisorJob(context.coroutineContext[Job]) +
                     CoroutineName("Device $this") +
                     CoroutineExceptionHandler { _, throwable ->
-                    context.launch {
+                        launch {
                             sharedMessageFlow.emit(
                                 DeviceErrorMessage(
                                     errorMessage = throwable.message,
@@ -65,41 +56,24 @@ public open class DeviceGroup(
                         }
                     }
         )
-
+    }
 
     private val _devices = hashMapOf<NameToken, Device>()
 
     override val devices: Map<NameToken, Device> = _devices
 
-    /**
-     * Register and initialize (synchronize child's lifecycle state with group state) a new device in this group
-     */
-    @OptIn(DFExperimental::class)
-    public fun <D : Device> install(token: NameToken, device: D): D {
-        require(_devices[token] == null) { "A child device with name $token already exists" }
-        //start the child device if needed
-        if(lifecycleState == STARTED || lifecycleState == STARTING) launch { device.start() }
+    public fun <D : Device> device(token: NameToken, device: D): D {
+        check(_devices[token] == null) { "A child device with name $token already exists" }
         _devices[token] = device
         return device
     }
 
     private val properties: MutableMap<Name, Property> = hashMapOf()
 
-    /**
-     * Register a new property based on [DeviceState]. Properties could be modified dynamically
-     */
-    public fun registerProperty(descriptor: PropertyDescriptor, state: DeviceState<out Any>) {
+    public fun property(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)
-        state.metaFlow.onEach {
-            sharedMessageFlow.emit(
-                PropertyChangedMessage(
-                    descriptor.name,
-                    it
-                )
-            )
-        }.launchIn(this)
     }
 
     private val actions: MutableMap<Name, Action> = hashMapOf()
@@ -126,6 +100,10 @@ public open class DeviceGroup(
         property.valueAsMeta = value
     }
 
+    private val sharedMessageFlow = MutableSharedFlow<DeviceMessage>()
+
+    override val messageFlow: Flow<DeviceMessage>
+        get() = sharedMessageFlow
 
     override suspend fun execute(actionName: String, argument: Meta?): Meta? {
         val action = actions[actionName] ?: error("Action with name $actionName not found")
@@ -133,8 +111,8 @@ public open class DeviceGroup(
     }
 
     @DFExperimental
-    override var lifecycleState: DeviceLifecycleState = STOPPED
-        protected set(value) {
+    override var lifecycleState: DeviceLifecycleState = DeviceLifecycleState.STOPPED
+        private set(value) {
             if (field != value) {
                 launch {
                     sharedMessageFlow.emit(
@@ -148,12 +126,12 @@ public open class DeviceGroup(
 
     @OptIn(DFExperimental::class)
     override suspend fun start() {
-        lifecycleState = STARTING
+        lifecycleState = DeviceLifecycleState.STARTING
         super.start()
         devices.values.forEach {
             it.start()
         }
-        lifecycleState = STARTED
+        lifecycleState = DeviceLifecycleState.STARTED
     }
 
     @OptIn(DFExperimental::class)
@@ -162,7 +140,7 @@ public open class DeviceGroup(
             it.stop()
         }
         super.stop()
-        lifecycleState = STOPPED
+        lifecycleState = DeviceLifecycleState.STOPPED
     }
 
     public companion object {
@@ -170,7 +148,7 @@ public open class DeviceGroup(
     }
 }
 
-public fun DeviceManager.registerDeviceGroup(
+public fun DeviceManager.deviceGroup(
     name: String = "@group",
     meta: Meta = Meta.EMPTY,
     block: DeviceGroup.() -> Unit,
@@ -180,19 +158,13 @@ public fun DeviceManager.registerDeviceGroup(
     return group
 }
 
-public fun Context.registerDeviceGroup(
-    name: String = "@group",
-    meta: Meta = Meta.EMPTY,
-    block: DeviceGroup.() -> Unit,
-): DeviceGroup = request(DeviceManager).registerDeviceGroup(name, meta, block)
-
 private fun DeviceGroup.getOrCreateGroup(name: Name): DeviceGroup {
     return when (name.length) {
         0 -> this
         1 -> {
             val token = name.first()
             when (val d = devices[token]) {
-                null -> install(
+                null -> device(
                     token,
                     DeviceGroup(deviceManager, meta[token] ?: Meta.EMPTY)
                 )
@@ -208,102 +180,79 @@ private fun DeviceGroup.getOrCreateGroup(name: Name): DeviceGroup {
 /**
  * Register a device at given [name] path
  */
-public fun <D : Device> DeviceGroup.install(name: Name, device: D): D {
+public fun <D : Device> DeviceGroup.device(name: Name, device: D): D {
     return when (name.length) {
         0 -> error("Can't use empty name for a child device")
-        1 -> install(name.first(), device)
-        else -> getOrCreateGroup(name.cutLast()).install(name.tokens.last(), device)
+        1 -> device(name.first(), device)
+        else -> getOrCreateGroup(name.cutLast()).device(name.tokens.last(), device)
     }
 }
 
-public fun <D : Device> DeviceGroup.install(name: String, device: D): D =
-    install(name.parseAsName(), device)
-
-public fun <D : Device> Context.install(name: String, device: D): D = request(DeviceManager).install(name, device)
+public fun <D: Device> DeviceGroup.device(name: String, device: D): D = device(name.parseAsName(), device)
 
 /**
  * Add a device creating intermediate groups if necessary. If device with given [name] already exists, throws an error.
- * @param name the name of the device in the group
- * @param factory a factory used to create a device
- * @param deviceMeta meta override for this specific device
- * @param metaLocation location of the template meta in parent group meta
  */
-public fun <D : Device> DeviceGroup.install(
-    name: Name,
-    factory: Factory<D>,
-    deviceMeta: Meta? = null,
-    metaLocation: Name = name,
-): D {
-    val newDevice = factory.build(deviceManager.context, Laminate(deviceMeta, meta[metaLocation]))
-    install(name, newDevice)
+public fun DeviceGroup.device(name: Name, factory: Factory<Device>, deviceMeta: Meta? = null): Device {
+    val newDevice = factory.build(deviceManager.context, Laminate(deviceMeta, meta[name]))
+    device(name, newDevice)
     return newDevice
 }
 
-public fun <D : Device> DeviceGroup.install(
+public fun DeviceGroup.device(
     name: String,
-    factory: Factory<D>,
-    metaLocation: Name = name.parseAsName(),
+    factory: Factory<Device>,
     metaBuilder: (MutableMeta.() -> Unit)? = null,
-): D = install(name.parseAsName(), factory, metaBuilder?.let { Meta(it) }, metaLocation)
+): Device = device(name.parseAsName(), factory, metaBuilder?.let { Meta(it) })
 
 /**
  * Create or edit a group with a given [name].
  */
-public fun DeviceGroup.registerDeviceGroup(name: Name, block: DeviceGroup.() -> Unit): DeviceGroup =
+public fun DeviceGroup.deviceGroup(name: Name, block: DeviceGroup.() -> Unit): DeviceGroup =
     getOrCreateGroup(name).apply(block)
 
-public fun DeviceGroup.registerDeviceGroup(name: String, block: DeviceGroup.() -> Unit): DeviceGroup =
-    registerDeviceGroup(name.parseAsName(), block)
+public fun DeviceGroup.deviceGroup(name: String, block: DeviceGroup.() -> Unit): DeviceGroup =
+    deviceGroup(name.parseAsName(), block)
 
-/**
- * Register read-only property based on [state]
- */
-public fun <T : Any> DeviceGroup.registerProperty(
+public fun <T : Any> DeviceGroup.property(
     name: String,
     state: DeviceState<T>,
     descriptorBuilder: PropertyDescriptor.() -> Unit = {},
-) {
-    registerProperty(
+): DeviceState<T> {
+    property(
         PropertyDescriptor(name).apply(descriptorBuilder),
         state
     )
+    return state
 }
 
-/**
- * Register a mutable property based on mutable [state]
- */
-public fun <T : Any> DeviceGroup.registerMutableProperty(
+public fun <T : Any> DeviceGroup.mutableProperty(
     name: String,
     state: MutableDeviceState<T>,
     descriptorBuilder: PropertyDescriptor.() -> Unit = {},
-) {
-    registerProperty(
+): MutableDeviceState<T> {
+    property(
         PropertyDescriptor(name).apply(descriptorBuilder),
         state
     )
+    return state
 }
 
-
-/**
- * Create a virtual [MutableDeviceState], but do not register it to a device
- */
-@Suppress("UnusedReceiverParameter")
-public fun <T : Any> DeviceGroup.state(
-    converter: MetaConverter<T>,
-    initialValue: T,
-): MutableDeviceState<T> = VirtualDeviceState<T>(converter, initialValue)
-
-/**
- * Create a new virtual mutable state and a property based on it.
- * @return the mutable state used in property
- */
-public fun <T : Any> DeviceGroup.registerVirtualProperty(
+public fun <T : Any> DeviceGroup.virtualProperty(
     name: String,
     initialValue: T,
     converter: MetaConverter<T>,
     descriptorBuilder: PropertyDescriptor.() -> Unit = {},
 ): MutableDeviceState<T> {
-    val state = state(converter, initialValue)
-    registerMutableProperty(name, state, descriptorBuilder)
-    return state
+    val state = VirtualDeviceState<T>(converter, initialValue)
+    return mutableProperty(name, state, descriptorBuilder)
 }
+
+/**
+ * Create a virtual [MutableDeviceState], but do not register it to a device
+ */
+@Suppress("UnusedReceiverParameter")
+public fun <T : Any> DeviceGroup.standAloneProperty(
+    initialValue: T,
+    converter: MetaConverter<T>,
+): MutableDeviceState<T> = VirtualDeviceState<T>(converter, initialValue)

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

@@ -1,7 +1,5 @@
 package space.kscience.controls.constructor
 
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.launch
 import space.kscience.controls.api.Device
@@ -11,7 +9,6 @@ import space.kscience.controls.spec.MutableDevicePropertySpec
 import space.kscience.controls.spec.name
 import space.kscience.dataforge.meta.Meta
 import space.kscience.dataforge.meta.transformations.MetaConverter
-import kotlin.time.Duration
 
 /**
  * An observable state of a device
@@ -21,8 +18,6 @@ public interface DeviceState<T> {
     public val value: T
 
     public val valueFlow: Flow<T>
-
-    public companion object
 }
 
 public val <T> DeviceState<T>.metaFlow: Flow<Meta> get() = valueFlow.map(converter::objectToMeta)
@@ -60,7 +55,7 @@ private open class BoundDeviceState<T>(
     override val converter: MetaConverter<T>,
     val device: Device,
     val propertyName: String,
-    initialValue: T,
+    private val initialValue: T,
 ) : DeviceState<T> {
 
     override val valueFlow: StateFlow<T> = device.messageFlow.filterIsInstance<PropertyChangedMessage>().filter {
@@ -75,7 +70,7 @@ private open class BoundDeviceState<T>(
 /**
  * Bind a read-only [DeviceState] to a [Device] property
  */
-public suspend fun <T> Device.propertyAsState(
+public suspend fun <T> Device.bindStateToProperty(
     propertyName: String,
     metaConverter: MetaConverter<T>,
 ): DeviceState<T> {
@@ -83,9 +78,9 @@ public suspend fun <T> Device.propertyAsState(
     return BoundDeviceState(metaConverter, this, propertyName, initialValue)
 }
 
-public suspend fun <D : Device, T> D.propertyAsState(
+public suspend fun <D : Device, T> D.bindStateToProperty(
     propertySpec: DevicePropertySpec<D, T>,
-): DeviceState<T> = propertyAsState(propertySpec.name, propertySpec.converter)
+): DeviceState<T> = bindStateToProperty(propertySpec.name, propertySpec.converter)
 
 public fun <T, R> DeviceState<T>.map(
     converter: MetaConverter<R>, mapper: (T) -> R,
@@ -113,82 +108,16 @@ private class MutableBoundDeviceState<T>(
         }
 }
 
-public fun <T> Device.mutablePropertyAsState(
-    propertyName: String,
-    metaConverter: MetaConverter<T>,
-    initialValue: T,
-): MutableDeviceState<T> = MutableBoundDeviceState(metaConverter, this, propertyName, initialValue)
-
-public suspend fun <T> Device.mutablePropertyAsState(
+public suspend fun <T> Device.bindMutableStateToProperty(
     propertyName: String,
     metaConverter: MetaConverter<T>,
 ): MutableDeviceState<T> {
     val initialValue = metaConverter.metaToObject(readProperty(propertyName)) ?: error("Conversion of property failed")
-    return mutablePropertyAsState(propertyName, metaConverter, initialValue)
+    return MutableBoundDeviceState(metaConverter, this, propertyName, initialValue)
 }
 
-public suspend fun <D : Device, T> D.mutablePropertyAsState(
+public suspend fun <D : Device, T> D.bindMutableStateToProperty(
     propertySpec: MutableDevicePropertySpec<D, T>,
-): MutableDeviceState<T> = mutablePropertyAsState(propertySpec.name, propertySpec.converter)
-
-public fun <D : Device, T> D.mutablePropertyAsState(
-    propertySpec: MutableDevicePropertySpec<D, T>,
-    initialValue: T,
-): MutableDeviceState<T> = mutablePropertyAsState(propertySpec.name, propertySpec.converter, initialValue)
+): MutableDeviceState<T> = bindMutableStateToProperty(propertySpec.name, propertySpec.converter)
 
 
-private open class ExternalState<T>(
-    val scope: CoroutineScope,
-    override val converter: MetaConverter<T>,
-    val readInterval: Duration,
-    initialValue: T,
-    val reader: suspend () -> T,
-) : DeviceState<T> {
-
-    protected val flow: StateFlow<T> = flow {
-        while (true) {
-            delay(readInterval)
-            emit(reader())
-        }
-    }.stateIn(scope, SharingStarted.Eagerly, initialValue)
-
-    override val value: T get() = flow.value
-    override val valueFlow: Flow<T> get() = flow
-}
-
-/**
- * Create a [DeviceState] which is constructed by periodically reading external value
- */
-public fun <T> DeviceState.Companion.external(
-    scope: CoroutineScope,
-    converter: MetaConverter<T>,
-    readInterval: Duration,
-    initialValue: T,
-    reader: suspend () -> T,
-): DeviceState<T> = ExternalState(scope, converter, readInterval, initialValue, reader)
-
-private class MutableExternalState<T>(
-    scope: CoroutineScope,
-    converter: MetaConverter<T>,
-    readInterval: Duration,
-    initialValue: T,
-    reader: suspend () -> T,
-    val writer: suspend (T) -> Unit,
-) : ExternalState<T>(scope, converter, readInterval, initialValue, reader), MutableDeviceState<T> {
-    override var value: T
-        get() = super.value
-        set(value) {
-            scope.launch {
-                writer(value)
-            }
-        }
-}
-
-public fun <T> DeviceState.Companion.external(
-    scope: CoroutineScope,
-    converter: MetaConverter<T>,
-    readInterval: Duration,
-    initialValue: T,
-    reader: suspend () -> T,
-    writer: suspend (T) -> Unit,
-): MutableDeviceState<T> = MutableExternalState(scope, converter, readInterval, initialValue, reader, writer)

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

@@ -8,7 +8,6 @@ import space.kscience.controls.api.Device
 import space.kscience.controls.manager.clock
 import space.kscience.controls.spec.*
 import space.kscience.dataforge.context.Context
-import space.kscience.dataforge.context.Factory
 import space.kscience.dataforge.meta.double
 import space.kscience.dataforge.meta.get
 import space.kscience.dataforge.meta.transformations.MetaConverter
@@ -84,15 +83,12 @@ public class VirtualDrive(
     override fun onStop() {
         updateJob?.cancel()
     }
-
-    public companion object {
-        public fun factory(
-            mass: Double,
-            positionState: MutableDeviceState<Double>,
-        ): Factory<Drive> = Factory { context, _ ->
-            VirtualDrive(context, mass, positionState)
-        }
-    }
 }
 
-public suspend fun Drive.stateOfForce(): MutableDeviceState<Double> = mutablePropertyAsState(Drive.force)
+public suspend fun Drive.stateOfForce(): MutableDeviceState<Double> = bindMutableStateToProperty(Drive.force)
+
+public fun DeviceGroup.virtualDrive(
+    name: String,
+    mass: Double,
+    positionState: MutableDeviceState<Double>,
+): VirtualDrive = device(name, VirtualDrive(context, mass, positionState))

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

@@ -8,7 +8,7 @@ import space.kscience.controls.spec.DevicePropertySpec
 import space.kscience.controls.spec.DeviceSpec
 import space.kscience.controls.spec.booleanProperty
 import space.kscience.dataforge.context.Context
-import space.kscience.dataforge.context.Factory
+import space.kscience.dataforge.names.parseAsName
 
 
 /**
@@ -20,9 +20,6 @@ public interface LimitSwitch : Device {
 
     public companion object : DeviceSpec<LimitSwitch>() {
         public val locked: DevicePropertySpec<LimitSwitch, Boolean> by booleanProperty { locked }
-        public fun factory(lockedState: DeviceState<Boolean>): Factory<LimitSwitch> = Factory { context, _ ->
-            VirtualLimitSwitch(context, lockedState)
-        }
     }
 }
 
@@ -42,3 +39,6 @@ public class VirtualLimitSwitch(
 
     override val locked: Boolean get() = lockedState.value
 }
+
+public fun DeviceGroup.virtualLimitSwitch(name: String, lockedState: DeviceState<Boolean>): VirtualLimitSwitch =
+    device(name.parseAsName(), VirtualLimitSwitch(context, lockedState))

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

@@ -78,4 +78,4 @@ public fun DeviceGroup.pid(
     name: String,
     drive: Drive,
     pidParameters: PidParameters,
-): PidRegulator = install(name, PidRegulator(drive, pidParameters))
+): PidRegulator = device(name, PidRegulator(drive, pidParameters))

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

@@ -39,9 +39,3 @@ public class DoubleRangeState(
      */
     public val atEndState: DeviceState<Boolean> = map(MetaConverter.boolean) { it >= range.endInclusive }
 }
-
-@Suppress("UnusedReceiverParameter")
-public fun DeviceGroup.rangeState(
-    initialValue: Double,
-    range: ClosedFloatingPointRange<Double>,
-): DoubleRangeState = DoubleRangeState(initialValue, range)

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

@@ -1,69 +0,0 @@
-package space.kscience.controls.misc
-
-import io.ktor.utils.io.core.Input
-import io.ktor.utils.io.core.Output
-import kotlinx.datetime.Instant
-import space.kscience.dataforge.io.IOFormat
-import space.kscience.dataforge.meta.Meta
-import space.kscience.dataforge.meta.get
-import space.kscience.dataforge.meta.transformations.MetaConverter
-import kotlin.reflect.KType
-import kotlin.reflect.typeOf
-
-/**
- * A value coupled to a time it was obtained at
- */
-public data class ValueWithTime<T>(val value: T, val time: Instant) {
-    public companion object {
-        /**
-         * Create a [ValueWithTime] format for given value value [IOFormat]
-         */
-        public fun <T> ioFormat(
-            valueFormat: IOFormat<T>,
-        ): IOFormat<ValueWithTime<T>> = ValueWithTimeIOFormat(valueFormat)
-
-        /**
-         * Create a [MetaConverter] with time for given value [MetaConverter]
-         */
-        public fun <T> metaConverter(
-            valueConverter: MetaConverter<T>,
-        ): MetaConverter<ValueWithTime<T>> = ValueWithTimeMetaConverter(valueConverter)
-
-
-        public const val META_TIME_KEY: String = "time"
-        public const val META_VALUE_KEY: String = "value"
-    }
-}
-
-private class ValueWithTimeIOFormat<T>(val valueFormat: IOFormat<T>) : IOFormat<ValueWithTime<T>> {
-    override val type: KType get() = typeOf<ValueWithTime<T>>()
-
-    override fun readObject(input: Input): ValueWithTime<T> {
-        val timestamp = InstantIOFormat.readObject(input)
-        val value = valueFormat.readObject(input)
-        return ValueWithTime(value, timestamp)
-    }
-
-    override fun writeObject(output: Output, obj: ValueWithTime<T>) {
-        InstantIOFormat.writeObject(output, obj.time)
-        valueFormat.writeObject(output, obj.value)
-    }
-
-}
-
-private class ValueWithTimeMetaConverter<T>(
-    val valueConverter: MetaConverter<T>,
-) : MetaConverter<ValueWithTime<T>> {
-    override fun metaToObject(
-        meta: Meta,
-    ): ValueWithTime<T>? = valueConverter.metaToObject(meta[ValueWithTime.META_VALUE_KEY] ?: Meta.EMPTY)?.let {
-        ValueWithTime(it, meta[ValueWithTime.META_TIME_KEY]?.instant ?: Instant.DISTANT_PAST)
-    }
-
-    override fun objectToMeta(obj: ValueWithTime<T>): Meta = Meta {
-        ValueWithTime.META_TIME_KEY put obj.time.toMeta()
-        ValueWithTime.META_VALUE_KEY put valueConverter.objectToMeta(obj.value)
-    }
-}
-
-public fun <T : Any> MetaConverter<T>.withTime(): MetaConverter<ValueWithTime<T>> = ValueWithTimeMetaConverter(this)

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

@@ -1,40 +0,0 @@
-package space.kscience.controls.misc
-
-import io.ktor.utils.io.core.*
-import kotlinx.datetime.Instant
-import space.kscience.dataforge.context.Context
-import space.kscience.dataforge.io.IOFormat
-import space.kscience.dataforge.io.IOFormatFactory
-import space.kscience.dataforge.meta.Meta
-import space.kscience.dataforge.meta.string
-import space.kscience.dataforge.names.Name
-import space.kscience.dataforge.names.asName
-import kotlin.reflect.KType
-import kotlin.reflect.typeOf
-
-
-/**
- * An [IOFormat] for [Instant]
- */
-public object InstantIOFormat : IOFormat<Instant>, IOFormatFactory<Instant> {
-    override fun build(context: Context, meta: Meta): IOFormat<Instant> = this
-
-    override val name: Name = "instant".asName()
-
-    override val type: KType get() = typeOf<Instant>()
-
-    override fun writeObject(output: Output, obj: Instant) {
-        output.writeLong(obj.epochSeconds)
-        output.writeInt(obj.nanosecondsOfSecond)
-    }
-
-    override fun readObject(input: Input): Instant {
-        val seconds = input.readLong()
-        val nanoseconds = input.readInt()
-        return Instant.fromEpochSeconds(seconds, nanoseconds)
-    }
-}
-
-public fun Instant.toMeta(): Meta = Meta(toString())
-
-public val Meta.instant: Instant? get() = value?.string?.let { Instant.parse(it) }

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

@@ -0,0 +1,18 @@
+package space.kscience.controls.misc
+
+import kotlinx.datetime.Instant
+import space.kscience.dataforge.meta.Meta
+import space.kscience.dataforge.meta.get
+import space.kscience.dataforge.meta.long
+
+// TODO move to core
+
+public fun Instant.toMeta(): Meta = Meta {
+    "seconds" put epochSeconds
+    "nanos" put nanosecondsOfSecond
+}
+
+public fun Meta.instant(): Instant = value?.long?.let { Instant.fromEpochMilliseconds(it) } ?: Instant.fromEpochSeconds(
+    get("seconds")?.long ?: 0L,
+    get("nanos")?.long ?: 0L,
+)

controls-core/src/commonMain/kotlin/space/kscience/controls/spec/DeviceBase.kt

@@ -72,7 +72,8 @@ public abstract class DeviceBase<D : Device>(
         onBufferOverflow = BufferOverflow.DROP_OLDEST
     )
 
-    override val coroutineContext: CoroutineContext = context.newCoroutineContext(
+    override val coroutineContext: CoroutineContext by lazy {
+        context.newCoroutineContext(
             SupervisorJob(context.coroutineContext[Job]) +
                     CoroutineName("Device $this") +
                     CoroutineExceptionHandler { _, throwable ->
@@ -87,6 +88,7 @@ public abstract class DeviceBase<D : Device>(
                         }
                     }
         )
+    }
 
 
     /**

controls-jupyter/build.gradle.kts

@@ -1,19 +0,0 @@
-plugins {
-    id("space.kscience.gradle.mpp")
-}
-
-val visionforgeVersion: String by rootProject.extra
-
-kscience {
-    fullStack("js/controls-jupyter.js")
-    useKtor()
-    useContextReceivers()
-    jupyterLibrary()
-    dependencies {
-        implementation(projects.controlsVision)
-        implementation("space.kscience:visionforge-jupyter:$visionforgeVersion")
-    }
-    jvmMain {
-        implementation(spclibs.logback.classic)
-    }
-}

controls-jupyter/src/jsMain/kotlin/commonJupyter.kt

@@ -1,14 +0,0 @@
-import space.kscience.visionforge.jupyter.VFNotebookClient
-import space.kscience.visionforge.markup.MarkupPlugin
-import space.kscience.visionforge.plotly.PlotlyPlugin
-import space.kscience.visionforge.runVisionClient
-
-public fun main(): Unit = runVisionClient {
-//    plugin(DeviceManager)
-//    plugin(ClockManager)
-    plugin(PlotlyPlugin)
-    plugin(MarkupPlugin)
-//    plugin(TableVisionJsPlugin)
-    plugin(VFNotebookClient)
-}
-

controls-jupyter/src/jvmMain/kotlin/ControlsJupyter.kt

@@ -1,71 +0,0 @@
-import org.jetbrains.kotlinx.jupyter.api.declare
-import org.jetbrains.kotlinx.jupyter.api.libraries.resources
-import space.kscience.controls.manager.ClockManager
-import space.kscience.controls.manager.DeviceManager
-import space.kscience.dataforge.context.Context
-import space.kscience.dataforge.misc.DFExperimental
-import space.kscience.plotly.Plot
-import space.kscience.tables.Table
-import space.kscience.visionforge.jupyter.VisionForge
-import space.kscience.visionforge.jupyter.VisionForgeIntegration
-import space.kscience.visionforge.markup.MarkupPlugin
-import space.kscience.visionforge.plotly.PlotlyPlugin
-import space.kscience.visionforge.plotly.asVision
-import space.kscience.visionforge.tables.toVision
-import space.kscience.visionforge.visionManager
-
-
-@OptIn(DFExperimental::class)
-public class ControlsJupyter : VisionForgeIntegration(CONTEXT.visionManager) {
-
-    override fun Builder.afterLoaded(vf: VisionForge) {
-
-        resources {
-            js("controls-jupyter") {
-                classPath("js/controls-jupyter.js")
-            }
-        }
-
-        onLoaded {
-            declare("context" to CONTEXT)
-        }
-
-        import(
-            "kotlin.time.*",
-            "kotlin.time.Duration.Companion.milliseconds",
-            "kotlin.time.Duration.Companion.seconds",
-            "space.kscience.tables.*",
-            "space.kscience.dataforge.meta.*",
-            "space.kscience.dataforge.context.*",
-            "space.kscience.plotly.*",
-            "space.kscience.plotly.models.*",
-            "space.kscience.visionforge.plotly.*",
-            "space.kscience.controls.manager.*",
-            "space.kscience.controls.constructor.*",
-            "space.kscience.controls.vision.*",
-            "space.kscience.controls.spec.*"
-        )
-
-        render<Table<*>> { table ->
-            vf.produceHtml {
-                vision { table.toVision() }
-            }
-        }
-
-        render<Plot> { plot ->
-            vf.produceHtml {
-                vision { plot.asVision() }
-            }
-        }
-    }
-
-    public companion object {
-        private val CONTEXT: Context = Context("controls-jupyter") {
-            plugin(DeviceManager)
-            plugin(ClockManager)
-            plugin(PlotlyPlugin)
-//            plugin(TableVisionPlugin)
-            plugin(MarkupPlugin)
-        }
-    }
-}

controls-opcua/src/main/kotlin/space/kscience/controls/opcua/client/MetaBsdParser.kt

@@ -147,7 +147,7 @@ internal class MetaStructureCodec(
             "Float" -> member.value?.numberOrNull?.toFloat()
             "Double" -> member.value?.numberOrNull?.toDouble()
             "String" -> member.string
-            "DateTime" -> member.instant?.toJavaInstant()?.let { DateTime(it) }
+            "DateTime" -> DateTime(member.instant().toJavaInstant())
             "Guid" -> member.string?.let { UUID.fromString(it) }
             "ByteString" -> member.value?.list?.let { list ->
                 ByteString(list.map { it.number.toByte() }.toByteArray())

controls-server/build.gradle.kts

@@ -1,7 +1,7 @@
 import space.kscience.gradle.Maturity
 
 plugins {
-    id("space.kscience.gradle.mpp")
+    id("space.kscience.gradle.jvm")
     `maven-publish`
 }
 
@@ -12,10 +12,7 @@ description = """
 val dataforgeVersion: String by rootProject.extra
 val ktorVersion: String by rootProject.extra
 
-
-kscience {
-    jvm()
-    dependencies {
+dependencies {
     implementation(projects.controlsCore)
     implementation(projects.controlsPortsKtor)
     implementation(projects.magix.magixServer)
@@ -25,7 +22,6 @@ kscience {
     implementation("io.ktor:ktor-serialization-kotlinx-json:$ktorVersion")
     implementation("io.ktor:ktor-server-html-builder:$ktorVersion")
     implementation("io.ktor:ktor-server-status-pages:$ktorVersion")
-    }
 }
 
 readme{

controls-vision/build.gradle.kts

@@ -7,23 +7,20 @@ description = """
     Dashboard and visualization extensions for devices
 """.trimIndent()
 
-val visionforgeVersion: String by rootProject.extra
+val visionforgeVersion = "0.3.0-dev-10"
 
 kscience {
-    fullStack("js/controls-vision.js")
-    useKtor()
-    useContextReceivers()
+    jvm()
+    js()
     dependencies {
         api(projects.controlsCore)
         api(projects.controlsConstructor)
         api("space.kscience:visionforge-plotly:$visionforgeVersion")
         api("space.kscience:visionforge-markdown:$visionforgeVersion")
-        api("space.kscience:visionforge-tables:$visionforgeVersion")
     }
 
     jvmMain{
         api("space.kscience:visionforge-server:$visionforgeVersion")
-        api("io.ktor:ktor-server-cio")
     }
 }
 

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

@@ -1,157 +0,0 @@
-package space.kscience.controls.vision
-
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.flow.launchIn
-import kotlinx.coroutines.flow.onEach
-import kotlinx.coroutines.flow.transform
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
-import kotlinx.datetime.Clock
-import kotlinx.datetime.Instant
-import space.kscience.controls.api.Device
-import space.kscience.controls.api.propertyMessageFlow
-import space.kscience.controls.constructor.DeviceState
-import space.kscience.controls.manager.clock
-import space.kscience.controls.misc.ValueWithTime
-import space.kscience.dataforge.context.Context
-import space.kscience.dataforge.meta.*
-import space.kscience.plotly.Plot
-import space.kscience.plotly.bar
-import space.kscience.plotly.models.Bar
-import space.kscience.plotly.models.Scatter
-import space.kscience.plotly.models.Trace
-import space.kscience.plotly.models.TraceValues
-import space.kscience.plotly.scatter
-import kotlin.time.Duration
-import kotlin.time.Duration.Companion.hours
-
-private var TraceValues.values: List<Value>
-    get() = value?.list ?: emptyList()
-    set(newValues) {
-        value = ListValue(newValues)
-    }
-
-
-private var TraceValues.times: List<Instant>
-    get() = value?.list?.map { Instant.parse(it.string) } ?: emptyList()
-    set(newValues) {
-        value = ListValue(newValues.map { it.toString().asValue() })
-    }
-
-
-private class TimeData(private var points: MutableList<ValueWithTime<Value>> = mutableListOf()) {
-    private val mutex = Mutex()
-
-    suspend fun append(time: Instant, value: Value) = mutex.withLock {
-        points.add(ValueWithTime(value, time))
-    }
-
-    suspend fun trim(maxAge: Duration, maxPoints: Int = 800, minPoints: Int = 400) {
-        require(maxPoints > 2)
-        require(minPoints > 0)
-        require(maxPoints > minPoints)
-        val now = Clock.System.now()
-        // filter old points
-        points.removeAll { now - it.time > maxAge }
-
-        if (points.size > maxPoints) {
-            val durationBetweenPoints = maxAge / minPoints
-            val markedForRemoval = buildList<ValueWithTime<Value>> {
-                var lastTime: Instant? = null
-                points.forEach { point ->
-                    if (lastTime?.let { point.time - it < durationBetweenPoints } == true) {
-                        add(point)
-                    } else {
-                        lastTime = point.time
-                    }
-                }
-            }
-            points.removeAll(markedForRemoval)
-        }
-    }
-
-    suspend fun fillPlot(x: TraceValues, y: TraceValues) = mutex.withLock {
-        x.strings = points.map { it.time.toString() }
-        y.values = points.map { it.value }
-    }
-}
-
-/**
- * Add a trace that shows a [Device] property change over time. Show only latest [maxPoints] .
- * @return a [Job] that handles the listener
- */
-public fun Plot.plotDeviceProperty(
-    device: Device,
-    propertyName: String,
-    extractValue: Meta.() -> Value = { value ?: Null },
-    maxAge: Duration = 1.hours,
-    maxPoints: Int = 800,
-    minPoints: Int = 400,
-    coroutineScope: CoroutineScope = device.context,
-    configuration: Scatter.() -> Unit = {},
-): Job = scatter(configuration).run {
-    val clock = device.context.clock
-    val data = TimeData()
-    device.propertyMessageFlow(propertyName).transform {
-        data.append(it.time ?: clock.now(), it.value.extractValue())
-        data.trim(maxAge, maxPoints, minPoints)
-        emit(data)
-    }.onEach {
-        it.fillPlot(x, y)
-    }.launchIn(coroutineScope)
-}
-
-private fun <T> Trace.updateFromState(
-    context: Context,
-    state: DeviceState<T>,
-    extractValue: T.() -> Value = { state.converter.objectToMeta(this).value ?: space.kscience.dataforge.meta.Null },
-    maxAge: Duration = 1.hours,
-    maxPoints: Int = 800,
-    minPoints: Int = 400,
-): Job{
-    val clock = context.clock
-    val data = TimeData()
-    return state.valueFlow.transform<T, TimeData> {
-        data.append(clock.now(), it.extractValue())
-        data.trim(maxAge, maxPoints, minPoints)
-    }.onEach {
-        it.fillPlot(x, y)
-    }.launchIn(context)
-}
-
-public fun <T> Plot.plotDeviceState(
-    context: Context,
-    state: DeviceState<T>,
-    extractValue: T.() -> Value = { state.converter.objectToMeta(this).value ?: Null },
-    maxAge: Duration = 1.hours,
-    maxPoints: Int = 800,
-    minPoints: Int = 400,
-    configuration: Scatter.() -> Unit = {},
-): Job = scatter(configuration).run {
-    updateFromState(context, state, extractValue, maxAge, maxPoints, minPoints)
-}
-
-
-public fun Plot.plotNumberState(
-    context: Context,
-    state: DeviceState<out Number>,
-    maxAge: Duration = 1.hours,
-    maxPoints: Int = 800,
-    minPoints: Int = 400,
-    configuration: Scatter.() -> Unit = {},
-): Job = scatter(configuration).run {
-    updateFromState(context, state, { asValue() }, maxAge, maxPoints, minPoints)
-}
-
-
-public fun Plot.plotBooleanState(
-    context: Context,
-    state: DeviceState<Boolean>,
-    maxAge: Duration = 1.hours,
-    maxPoints: Int = 800,
-    minPoints: Int = 400,
-    configuration: Bar.() -> Unit = {},
-): Job =  bar(configuration).run {
-    updateFromState(context, state, { asValue() }, maxAge, maxPoints, minPoints)
-}

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

@@ -0,0 +1,70 @@
+package space.kscience.controls.vision
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import space.kscience.controls.api.Device
+import space.kscience.controls.api.propertyMessageFlow
+import space.kscience.controls.constructor.DeviceState
+import space.kscience.controls.manager.clock
+import space.kscience.dataforge.context.Context
+import space.kscience.dataforge.meta.*
+import space.kscience.plotly.Plot
+import space.kscience.plotly.bar
+import space.kscience.plotly.models.Bar
+import space.kscience.plotly.models.Scatter
+import space.kscience.plotly.models.TraceValues
+import space.kscience.plotly.scatter
+
+private var TraceValues.values: List<Value>
+    get() = value?.list ?: emptyList()
+    set(newValues) {
+        value = ListValue(newValues)
+    }
+
+/**
+ * Add a trace that shows a [Device] property change over time. Show only latest [pointsNumber] .
+ * @return a [Job] that handles the listener
+ */
+public fun Plot.plotDeviceProperty(
+    device: Device,
+    propertyName: String,
+    extractValue: Meta.() -> Value = { value ?: Null },
+    pointsNumber: Int = 400,
+    coroutineScope: CoroutineScope = device.context,
+    configuration: Scatter.() -> Unit = {},
+): Job = scatter(configuration).run {
+    val clock = device.context.clock
+    device.propertyMessageFlow(propertyName).onEach { message ->
+        x.strings = (x.strings + (message.time ?: clock.now()).toString()).takeLast(pointsNumber)
+        y.values = (y.values + message.value.extractValue()).takeLast(pointsNumber)
+    }.launchIn(coroutineScope)
+}
+
+
+public fun Plot.plotNumberState(
+    context: Context,
+    state: DeviceState<out Number>,
+    pointsNumber: Int = 400,
+    configuration: Scatter.() -> Unit = {},
+): Job = scatter(configuration).run {
+    val clock = context.clock
+    state.valueFlow.onEach {
+        x.strings = (x.strings + clock.now().toString()).takeLast(pointsNumber)
+        y.numbers = (y.numbers + it).takeLast(pointsNumber)
+    }.launchIn(context)
+}
+
+public fun Plot.plotBooleanState(
+    context: Context,
+    state: DeviceState<Boolean>,
+    pointsNumber: Int = 400,
+    configuration: Bar.() -> Unit = {},
+): Job = bar(configuration).run {
+    val clock = context.clock
+    state.valueFlow.onEach {
+        x.strings = (x.strings + clock.now().toString()).takeLast(pointsNumber)
+        y.values = (y.values + it.asValue()).takeLast(pointsNumber)
+    }.launchIn(context)
+}

controls-vision/src/jvmMain/kotlin/dashboard.kt

@@ -1,61 +0,0 @@
-package space.kscience.controls.vision
-
-import io.ktor.server.cio.CIO
-import io.ktor.server.engine.ApplicationEngine
-import io.ktor.server.engine.embeddedServer
-import io.ktor.server.http.content.staticResources
-import io.ktor.server.routing.Routing
-import io.ktor.server.routing.routing
-import kotlinx.html.TagConsumer
-import space.kscience.dataforge.context.Context
-import space.kscience.plotly.Plot
-import space.kscience.plotly.PlotlyConfig
-import space.kscience.visionforge.html.HtmlVisionFragment
-import space.kscience.visionforge.html.VisionPage
-import space.kscience.visionforge.html.VisionTagConsumer
-import space.kscience.visionforge.plotly.plotly
-import space.kscience.visionforge.server.VisionRoute
-import space.kscience.visionforge.server.close
-import space.kscience.visionforge.server.openInBrowser
-import space.kscience.visionforge.server.visionPage
-import space.kscience.visionforge.visionManager
-
-public fun Context.showDashboard(
-    port: Int = 7777,
-    routes: Routing.() -> Unit = {},
-    configurationBuilder: VisionRoute.() -> Unit = {},
-    visionFragment: HtmlVisionFragment,
-): ApplicationEngine = embeddedServer(CIO, port = port) {
-    routing {
-        staticResources("", null, null)
-        routes()
-    }
-
-    visionPage(
-        visionManager,
-        VisionPage.scriptHeader("js/controls-vision.js"),
-        configurationBuilder = configurationBuilder,
-        visionFragment = visionFragment
-    )
-}.also {
-    it.start(false)
-    it.openInBrowser()
-
-
-    println("Enter 'exit' to close server")
-    while (readlnOrNull() != "exit") {
-        //
-    }
-
-    it.close()
-}
-
-context(VisionTagConsumer<*>)
-public fun TagConsumer<*>.plot(
-    config: PlotlyConfig = PlotlyConfig(),
-    block: Plot.() -> Unit,
-) {
-    vision {
-        plotly(config, block)
-    }
-}

demo/constructor/build.gradle.kts

@@ -1,16 +1,11 @@
-import org.jetbrains.kotlin.gradle.dsl.ExplicitApiMode
-
 plugins {
     id("space.kscience.gradle.mpp")
     application
 }
 
 kscience {
-    jvm{
-        withJava()
-    }
+    fullStack("js/constructor.js", jvmConfig = {withJava()})
     useKtor()
-    useContextReceivers()
     dependencies {
         api(projects.controlsVision)
     }
@@ -23,5 +18,3 @@ kscience {
 application {
     mainClass.set("space.kscience.controls.demo.constructor.MainKt")
 }
-
-kotlin.explicitApi = ExplicitApiMode.Disabled

demo/constructor/src/jsMain/kotlin/constructorJs.kt

@@ -1,11 +1,6 @@
-package space.kscience.controls.vision
-
-import space.kscience.visionforge.markup.MarkupPlugin
 import space.kscience.visionforge.plotly.PlotlyPlugin
 import space.kscience.visionforge.runVisionClient
 
 public fun main(): Unit = runVisionClient {
     plugin(PlotlyPlugin)
-    plugin(MarkupPlugin)
-//    plugin(TableVisionJsPlugin)
 }

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

@@ -1,54 +1,47 @@
 package space.kscience.controls.demo.constructor
 
+import io.ktor.server.cio.CIO
+import io.ktor.server.engine.embeddedServer
+import io.ktor.server.http.content.staticResources
+import io.ktor.server.routing.routing
+import space.kscience.controls.api.get
 import space.kscience.controls.constructor.*
 import space.kscience.controls.manager.ClockManager
 import space.kscience.controls.manager.DeviceManager
 import space.kscience.controls.manager.clock
 import space.kscience.controls.spec.doRecurring
 import space.kscience.controls.spec.name
-import space.kscience.controls.vision.plot
+import space.kscience.controls.spec.read
+import space.kscience.controls.spec.write
 import space.kscience.controls.vision.plotDeviceProperty
 import space.kscience.controls.vision.plotNumberState
-import space.kscience.controls.vision.showDashboard
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.context.request
-import space.kscience.dataforge.meta.Meta
 import space.kscience.plotly.models.ScatterMode
+import space.kscience.visionforge.VisionManager
+import space.kscience.visionforge.html.VisionPage
 import space.kscience.visionforge.plotly.PlotlyPlugin
+import space.kscience.visionforge.plotly.plotly
+import space.kscience.visionforge.server.close
+import space.kscience.visionforge.server.openInBrowser
+import space.kscience.visionforge.server.visionPage
 import kotlin.math.PI
 import kotlin.math.sin
 import kotlin.time.Duration.Companion.milliseconds
 import kotlin.time.Duration.Companion.seconds
 import kotlin.time.DurationUnit
 
-
-class LinearDrive(
-    context: Context,
-    state: DoubleRangeState,
-    mass: Double,
-    pidParameters: PidParameters,
-    meta: Meta = Meta.EMPTY,
-) : DeviceConstructor(context.request(DeviceManager), meta) {
-
-    val drive by device(VirtualDrive.factory(mass, state))
-    val pid by device(PidRegulator(drive, pidParameters))
-
-    val start by device(LimitSwitch.factory(state.atStartState))
-    val end by device(LimitSwitch.factory(state.atEndState))
-
-
-    val position by property(state)
-    var target by mutableProperty(pid.mutablePropertyAsState(Regulator.target, 0.0))
-}
-
-
-fun main() {
+@Suppress("ExtractKtorModule")
+public fun main() {
     val context = Context {
         plugin(DeviceManager)
         plugin(PlotlyPlugin)
         plugin(ClockManager)
     }
 
+    val deviceManager = context.request(DeviceManager)
+    val visionManager = context.request(VisionManager)
+
     val state = DoubleRangeState(0.0, -5.0..5.0)
 
     val pidParameters = PidParameters(
@@ -58,46 +51,79 @@ fun main() {
         timeStep = 0.005.seconds
     )
 
-    val device = context.install("device", LinearDrive(context, state, 0.005, pidParameters)).apply {
+    val device = deviceManager.deviceGroup {
+        val drive = virtualDrive("drive", 0.005, state)
+        val pid = pid("pid", drive, pidParameters)
+        virtualLimitSwitch("start", state.atStartState)
+        virtualLimitSwitch("end", state.atEndState)
+
         val clock = context.clock
         val clockStart = clock.now()
+
         doRecurring(10.milliseconds) {
             val timeFromStart = clock.now() - clockStart
             val t = timeFromStart.toDouble(DurationUnit.SECONDS)
             val freq = 0.1
-
-            target = 5 * sin(2.0 * PI * freq * t) +
-                    sin(2 * PI * 21 * freq * t + 0.02 * (timeFromStart / pidParameters.timeStep))
+            val target = 5 * sin(2.0 * PI * freq * t) +
+                    sin(2 * PI * 21 * freq * t + 0.1 * (timeFromStart / pidParameters.timeStep))
+            pid.write(Regulator.target, target)
+            pid.read(Regulator.position)
         }
     }
 
+    val server = embeddedServer(CIO, port = 7777) {
+        routing {
+            staticResources("", null, null)
+        }
 
-    val maxAge = 10.seconds
-
-    context.showDashboard {
-        plot {
-            plotNumberState(context, state, maxAge = maxAge) {
+        visionPage(
+            visionManager,
+            VisionPage.scriptHeader("js/constructor.js")
+        ) {
+            vision {
+                plotly {
+                    plotNumberState(context, state) {
                         name = "real position"
                     }
-            plotDeviceProperty(device.pid, Regulator.position.name, maxAge = maxAge) {
+                    plotDeviceProperty(device["pid"], Regulator.position.name) {
                         name = "read position"
                     }
 
-            plotDeviceProperty(device.pid, Regulator.target.name, maxAge = maxAge) {
+                    plotDeviceProperty(device["pid"], Regulator.target.name) {
                         name = "target"
                     }
                 }
+            }
 
-        plot {
-            plotDeviceProperty(device.start, LimitSwitch.locked.name, maxAge = maxAge) {
+            vision {
+                plotly {
+//                    plotBooleanState(context, state.atStartState) {
+//                        name = "start"
+//                    }
+//                    plotBooleanState(context, state.atEndState) {
+//                        name = "end"
+//                    }
+                    plotDeviceProperty(device["start"], LimitSwitch.locked.name) {
                         name = "start measured"
                         mode = ScatterMode.markers
                     }
-            plotDeviceProperty(device.end, LimitSwitch.locked.name, maxAge = maxAge) {
+                    plotDeviceProperty(device["end"], LimitSwitch.locked.name) {
                         name = "end measured"
                         mode = ScatterMode.markers
                     }
                 }
-
             }
+        }
+
+    }.start(false)
+
+    server.openInBrowser()
+
+
+    println("Enter 'exit' to close server")
+    while (readlnOrNull() != "exit") {
+        //
+    }
+
+    server.close()
 }

demo/notebooks/constructor.ipynb

@@ -1,176 +0,0 @@
-{
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
-   "outputs": [],
-   "source": [
-    "USE(ControlsJupyter())"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "outputs": [],
-   "source": [
-    "class LinearDrive(\n",
-    "    context: Context,\n",
-    "    state: DoubleRangeState,\n",
-    "    mass: Double,\n",
-    "    pidParameters: PidParameters,\n",
-    "    meta: Meta = Meta.EMPTY,\n",
-    ") : DeviceConstructor(context.request(DeviceManager), meta) {\n",
-    "\n",
-    "    val drive by device(VirtualDrive.factory(mass, state))\n",
-    "    val pid by device(PidRegulator(drive, pidParameters))\n",
-    "\n",
-    "    val start by device(LimitSwitch.factory(state.atStartState))\n",
-    "    val end by device(LimitSwitch.factory(state.atEndState))\n",
-    "\n",
-    "\n",
-    "    val position by property(state)\n",
-    "    var target by mutableProperty(pid.mutablePropertyAsState(Regulator.target, 0.0))\n",
-    "}\n"
-   ],
-   "metadata": {
-    "collapsed": false
-   }
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "outputs": [],
-   "source": [
-    "import kotlin.time.Duration.Companion.milliseconds\n",
-    "import kotlin.time.Duration.Companion.seconds\n",
-    "\n",
-    "val state = DoubleRangeState(0.0, -5.0..5.0)\n",
-    "\n",
-    "val pidParameters = PidParameters(\n",
-    "    kp = 2.5,\n",
-    "    ki = 0.0,\n",
-    "    kd = -0.1,\n",
-    "    timeStep = 0.005.seconds\n",
-    ")\n",
-    "\n",
-    "val device = context.install(\"device\", LinearDrive(context, state, 0.005, pidParameters))"
-   ],
-   "metadata": {
-    "collapsed": false
-   }
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "outputs": [],
-   "source": [
-    "\n",
-    "val job = device.run {\n",
-    "    val clock = context.clock\n",
-    "    val clockStart = clock.now()\n",
-    "    doRecurring(10.milliseconds) {\n",
-    "        val timeFromStart = clock.now() - clockStart\n",
-    "        val t = timeFromStart.toDouble(DurationUnit.SECONDS)\n",
-    "        val freq = 0.1\n",
-    "\n",
-    "        target = 5 * sin(2.0 * PI * freq * t) +\n",
-    "                sin(2 * PI * 21 * freq * t + 0.02 * (timeFromStart / pidParameters.timeStep))\n",
-    "    }\n",
-    "}"
-   ],
-   "metadata": {
-    "collapsed": false
-   }
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "outputs": [],
-   "source": [
-    "val maxAge = 10.seconds\n",
-    "\n",
-    "\n",
-    "VisionForge.fragment {\n",
-    "    vision {\n",
-    "        plotly {\n",
-    "            plotNumberState(context, state, maxAge = maxAge) {\n",
-    "                name = \"real position\"\n",
-    "            }\n",
-    "            plotDeviceProperty(device.pid, Regulator.position.name, maxAge = maxAge) {\n",
-    "                name = \"read position\"\n",
-    "            }\n",
-    "\n",
-    "            plotDeviceProperty(device.pid, Regulator.target.name, maxAge = maxAge) {\n",
-    "                name = \"target\"\n",
-    "            }\n",
-    "        }\n",
-    "    }\n",
-    "\n",
-    "    vision {\n",
-    "        plotly {\n",
-    "            plotDeviceProperty(device.start, LimitSwitch.locked.name, maxAge = maxAge) {\n",
-    "                name = \"start measured\"\n",
-    "                mode = ScatterMode.markers\n",
-    "            }\n",
-    "            plotDeviceProperty(device.end, LimitSwitch.locked.name, maxAge = maxAge) {\n",
-    "                name = \"end measured\"\n",
-    "                mode = ScatterMode.markers\n",
-    "            }\n",
-    "        }\n",
-    "    }\n",
-    "}"
-   ],
-   "metadata": {
-    "collapsed": false
-   }
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "outputs": [],
-   "source": [
-    "import kotlinx.coroutines.cancel\n",
-    "\n",
-    "job.cancel()"
-   ],
-   "metadata": {
-    "collapsed": false
-   }
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "outputs": [],
-   "source": [],
-   "metadata": {
-    "collapsed": false
-   }
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "Kotlin",
-   "language": "kotlin",
-   "name": "kotlin"
-  },
-  "language_info": {
-   "name": "kotlin",
-   "version": "1.9.0",
-   "mimetype": "text/x-kotlin",
-   "file_extension": ".kt",
-   "pygments_lexer": "kotlin",
-   "codemirror_mode": "text/x-kotlin",
-   "nbconvert_exporter": ""
-  },
-  "ktnbPluginMetadata": {
-   "projectDependencies": [
-    "controls-kt.controls-jupyter.jvmMain"
-   ]
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 0
-}

gradle.properties

@@ -4,7 +4,10 @@ kotlin.native.ignoreDisabledTargets=true
 
 org.gradle.parallel=true
 
+publishing.github=false
+publishing.sonatype=false
+
 org.gradle.configureondemand=true
 org.gradle.jvmargs=-Xmx4096m
 
-toolsVersion=0.15.0-kotlin-1.9.20
+toolsVersion=0.15.0-kotlin-1.9.20-RC2

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

settings.gradle.kts

@@ -52,7 +52,6 @@ include(
     ":controls-storage:controls-xodus",
     ":controls-constructor",
     ":controls-vision",
-    ":controls-jupyter",
     ":magix",
     ":magix:magix-api",
     ":magix:magix-server",