Experimenting on Task builder and inner contexts

build.gradle.kts

@@ -45,7 +45,7 @@ allprojects {
     }
 
     group = "hep.dataforge"
-    version = "0.1.2-dev-1"
+    version = "0.1.2-dev-2"
 
     // apply bintray configuration
     apply(from = "${rootProject.rootDir}/gradle/bintray.gradle")
@@ -67,8 +67,6 @@ subprojects {
 //            classifier = "javadoc"
 //    }
 
-    apply(plugin = "com.moowork.node")
-
     // Create empty jar for sources classifier to satisfy maven requirements
     val stubSources by tasks.registering(Jar::class) {
         archiveClassifier.set("sources")
@@ -89,6 +87,7 @@ subprojects {
 
     afterEvaluate {
         extensions.findByType<KotlinMultiplatformExtension>()?.apply {
+            apply(plugin = "com.moowork.node")
             jvm {
                 compilations.all {
                     kotlinOptions {

dataforge-data/src/jvmMain/kotlin/hep/dataforge/data/JoinAction.kt

@@ -16,7 +16,7 @@ class JoinGroup<T : Any, R : Any>(var name: String, internal val node: DataNode<
 
     var meta: MetaBuilder = MetaBuilder()
 
-    lateinit var result: suspend ActionEnv.(Map<Name, T>) -> R
+    var result: suspend ActionEnv.(Map<Name, T>) -> R = TODO("Action not implemented")
 
     fun result(f: suspend ActionEnv.(Map<Name, T>) -> R) {
         this.result = f;

dataforge-data/src/jvmMain/kotlin/hep/dataforge/data/PipeAction.kt

@@ -14,7 +14,7 @@ class ActionEnv(val name: Name, val meta: Meta)
  * Action environment
  */
 class PipeBuilder<T, R>(var name: Name, var meta: MetaBuilder) {
-    lateinit var result: suspend ActionEnv.(T) -> R;
+    var result: suspend ActionEnv.(T) -> R = TODO("Action not implemented")
 
     /**
      * Calculate the result of goal

dataforge-data/src/jvmMain/kotlin/hep/dataforge/data/SplitAction.kt

@@ -14,7 +14,7 @@ import kotlin.reflect.full.isSuperclassOf
 
 
 class FragmentRule<T : Any, R : Any>(val name: Name, var meta: MetaBuilder) {
-    lateinit var result: suspend (T) -> R
+    var result: suspend (T) -> R = TODO("Action not implemented")
 
     fun result(f: suspend (T) -> R) {
         result = f;

dataforge-meta/src/jsMain/kotlin/hep/dataforge/meta/DynamicMeta.kt

@@ -34,8 +34,6 @@ class DynamicMeta(val obj: dynamic) : Meta {
 
     private fun isArray(obj: dynamic): Boolean = js("Array.isArray(obj)") as Boolean
 
-    //private fun isObject(obj: dynamic): Boolean = js("typeof obj === 'object'") as Boolean
-
     private fun asItem(obj: dynamic): MetaItem<DynamicMeta>? {
         if (obj == null) return MetaItem.ValueItem(Null)
         return when (jsTypeOf(obj)) {

dataforge-meta/src/jsTest/kotlin/hep/dataforge/meta/DynamicMetaTest.kt

@@ -10,6 +10,7 @@ class DynamicMetaTest {
     fun testDynamicMeta() {
         val d = js("{}")
         d.a = 22
+        d.array = arrayOf(1,2,3)
         d.b = "myString"
         d.ob = js("{}")
         d.ob.childNode = 18
@@ -17,6 +18,7 @@ class DynamicMetaTest {
 
         val meta = DynamicMeta(d)
         assertEquals(true, meta["ob.booleanNode"].boolean)
+        assertEquals(2,meta["array[1]"].int)
     }
 
 }

dataforge-workspace/src/jvmMain/kotlin/hep/dataforge/workspace/GenericTask.kt

@@ -8,15 +8,17 @@ import hep.dataforge.meta.node
 import hep.dataforge.meta.string
 import hep.dataforge.names.Name
 import hep.dataforge.names.toName
-import mu.KotlinLogging
 import kotlin.reflect.KClass
 
+//data class TaskEnv(val workspace: Workspace, val model: TaskModel)
+
+
 class GenericTask<R : Any>(
     override val name: String,
     override val type: KClass<out R>,
     override val descriptor: NodeDescriptor,
     private val modelTransform: TaskModelBuilder.(Meta) -> Unit,
-    private val dataTransform: TaskModel.(DataNode<Any>) -> DataNode<R>
+    private val dataTransform: Workspace.() -> TaskModel.(DataNode<Any>) -> DataNode<R>
 ) : Task<R> {
 
     private fun gather(workspace: Workspace, model: TaskModel): DataNode<Any> {
@@ -36,7 +38,7 @@ class GenericTask<R : Any>(
 
         //execute
         workspace.context.logger.info("Starting task '$name' on ${model.target} with meta: \n${model.meta}")
-        val output = dataTransform.invoke(model, input)
+        val output = dataTransform(workspace).invoke(model, input)
 
         //handle result
         //output.handle(model.context.dispatcher) { this.handle(it) }
@@ -65,18 +67,21 @@ class KTaskBuilder(val name: String) {
     private var modelTransform: TaskModelBuilder.(Meta) -> Unit = { data("*") }
     var descriptor: NodeDescriptor? = null
 
+    /**
+     * TODO will look better as extension class
+     */
     private class DataTransformation(
         val from: String = "",
         val to: String = "",
-        val transform: TaskModel.(DataNode<Any>) -> DataNode<Any>
+        val transform: Workspace.() -> TaskModel.(DataNode<Any>) -> DataNode<Any>
     ) {
-        operator fun invoke(model: TaskModel, node: DataNode<Any>): DataNode<Any>? {
+        operator fun Workspace.invoke(model: TaskModel, node: DataNode<Any>): DataNode<Any>? {
             val localData = if (from.isEmpty()) {
                 node
             } else {
                 node.getNode(from.toName()) ?: return null
             }
-            return transform.invoke(model, localData);
+            return transform(this).invoke(model, localData)
         }
     }
 
@@ -90,7 +95,7 @@ class KTaskBuilder(val name: String) {
         inputType: KClass<T>,
         from: String = "",
         to: String = "",
-        transform: TaskModel.(DataNode<T>) -> DataNode<Any>
+        transform: Workspace.() -> TaskModel.(DataNode<T>) -> DataNode<Any>
     ) {
         dataTransforms += DataTransformation(from, to) { data: DataNode<Any> ->
             transform.invoke(this, data.cast(inputType))
@@ -100,7 +105,7 @@ class KTaskBuilder(val name: String) {
     inline fun <reified T : Any> transform(
         from: String = "",
         to: String = "",
-        noinline transform: TaskModel.(DataNode<T>) -> DataNode<Any>
+        noinline transform: Workspace.() -> TaskModel.(DataNode<T>) -> DataNode<Any>
     ) {
         transform(T::class, from, to, transform)
     }
@@ -110,7 +115,7 @@ class KTaskBuilder(val name: String) {
      */
     inline fun <reified T : Any, reified R : Any> action(action: Action<T, R>, from: String = "", to: String = "") {
         transform(from, to) { data: DataNode<T> ->
-            action(data, meta)
+            action(data, model.meta)
         }
     }
 
@@ -189,27 +194,29 @@ class KTaskBuilder(val name: String) {
     }
 
     fun build(): GenericTask<Any> {
-        val transform: TaskModel.(DataNode<Any>) -> DataNode<Any> = { data ->
+        val transform: Workspace.() -> TaskModel.(DataNode<Any>) -> DataNode<Any> = {
+            { data ->
                 if (dataTransforms.isEmpty()) {
                     //return data node as is
-                KotlinLogging.logger(this::class.toString()).warn("No transformation present, returning input data")
+                    logger.warn("No transformation present, returning input data")
                     data
                 } else {
                     val builder = DataTreeBuilder(Any::class)
-                dataTransforms.forEach {
+                    dataTransforms.forEach { transform ->
-                    val res = it(this, data)
+                        val res = transform(this, data)
                         if (res != null) {
-                        if (it.to.isEmpty()) {
+                            if (transform.to.isEmpty()) {
                                 builder.update(res)
                             } else {
-                            builder[it.to.toName()] = res
+                                builder[transform.to.toName()] = res
                             }
                         }
                     }
                     builder.build()
                 }
             }
-        return GenericTask<Any>(name, Any::class, descriptor ?: NodeDescriptor.empty(), modelTransform, transform);
+        }
+        return GenericTask(name, Any::class, descriptor ?: NodeDescriptor.empty(), modelTransform, transform);
     }
 }