Update DataSetBuilder API

dataforge-data/build.gradle.kts

@@ -21,3 +21,7 @@ kotlin {
         }
     }
 }
+
+readme{
+    maturity = ru.mipt.npm.gradle.Maturity.EXPERIMENTAL
+}

dataforge-data/src/commonMain/kotlin/hep/dataforge/data/DataSetBuilder.kt

@@ -74,18 +74,6 @@ public suspend fun <T : Any> DataSetBuilder<T>.emit(name: String, data: Data<T>)
     emit(name.toName(), data)
 }
 
-public suspend fun <T : Any> DataSetBuilder<T>.data(name: Name, data: T, meta: Meta = Meta.EMPTY) {
-    emit(name, Data.static(data, meta))
-}
-
-public suspend fun <T : Any> DataSetBuilder<T>.data(name: Name, data: T, block: MetaBuilder.() -> Unit = {}) {
-    emit(name, Data.static(data, Meta(block)))
-}
-
-public suspend fun <T : Any> DataSetBuilder<T>.data(name: String, data: T, block: MetaBuilder.() -> Unit = {}) {
-    emit(name.toName(), Data.static(data, Meta(block)))
-}
-
 public suspend fun <T : Any> DataSetBuilder<T>.emit(name: String, set: DataSet<T>) {
     this.emit(name.toName(), set)
 }
@@ -97,6 +85,32 @@ public suspend fun <T : Any> DataSetBuilder<T>.emit(data: NamedData<T>) {
     emit(data.name, data.data)
 }
 
+/**
+ * Produce lazy [Data] and emit it into the [DataSetBuilder]
+ */
+public suspend inline fun <reified T : Any> DataSetBuilder<T>.emitLazy(
+    name: String,
+    meta: Meta,
+    noinline producer: suspend () -> T,
+) {
+    val data = Data(meta, block = producer)
+    emit(name, data)
+}
+
+/**
+ * Emit a static data with the fixed value
+ */
+public suspend fun <T : Any> DataSetBuilder<T>.emitStatic(name: String, data: T, meta: Meta = Meta.EMPTY): Unit =
+    emit(name, Data.static(data, meta))
+
+public suspend fun <T : Any> DataSetBuilder<T>.emitStatic(
+    name: String,
+    data: T,
+    metaBuilder: MetaBuilder.() -> Unit,
+) {
+    emit(name.toName(), Data.static(data, Meta(metaBuilder)))
+}
+
 /**
  * Update data with given node data and meta with node meta.
  */

dataforge-data/src/jvmTest/kotlin/hep/dataforge/data/ActionsTest.kt

@@ -14,7 +14,7 @@ class ActionsTest {
     val data: DataTree<Int> = runBlocking {
         DataTree {
             repeat(10) {
-                data(it.toString(), it)
+                emitStatic(it.toString(), it)
             }
         }
     }

dataforge-data/src/jvmTest/kotlin/hep/dataforge/data/DataTreeBuilderTest.kt

@@ -19,10 +19,10 @@ internal class DataTreeBuilderTest {
 
         val node = DataTree<Any> {
             emit("primary") {
-                data("a", "a")
-                data("b", "b")
+                emitStatic("a", "a")
+                emitStatic("b", "b")
             }
-            data("root", "root")
+            emitStatic("root", "root")
             populate(updateData)
         }
 
@@ -40,7 +40,7 @@ internal class DataTreeBuilderTest {
                     updateJob = launch {
                         repeat(10) {
                             delay(10)
-                            data("value", it)
+                            emitStatic("value", it)
                         }
                         delay(10)
                     }

dataforge-workspace/src/jvmTest/kotlin/hep/dataforge/workspace/DataPropagationTest.kt

@@ -49,7 +49,7 @@ class DataPropagationTest {
         runBlocking {
             data {
                 repeat(100) {
-                    data("myData[$it]", it)
+                    emitStatic("myData[$it]", it)
                 }
             }
         }

dataforge-workspace/src/jvmTest/kotlin/hep/dataforge/workspace/FileDataTest.kt

@@ -23,11 +23,11 @@ class FileDataTest {
     val dataNode = runBlocking {
         DataTree<String> {
             emit("dir") {
-                data("a", "Some string") {
+                emitStatic("a", "Some string") {
                     "content" put "Some string"
                 }
             }
-            data("b", "root data")
+            emitStatic("b", "root data")
             meta {
                 "content" put "This is root meta node"
             }

dataforge-workspace/src/jvmTest/kotlin/hep/dataforge/workspace/SimpleWorkspaceTest.kt

@@ -56,7 +56,7 @@ class SimpleWorkspaceTest {
 
         data {
             repeat(100) {
-                data("myData[$it]", it)
+                emitStatic("myData[$it]", it)
             }
         }