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Workspace and task updates

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This commit is contained in:
Alexander Nozik 2021-10-08 09:54:11 +03:00
parent b07d281a83
commit 00d964eef3
9 changed files with 52 additions and 35 deletions
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2
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/SimpleWorkspace.kt
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@ -17,7 +17,7 @@ public class SimpleWorkspace(
private val externalTasks: Map<Name, Task<*>>,
) : Workspace {
override val data: TaskResult<*> = internalize(data, Name.EMPTY, Meta.EMPTY)
override val data: TaskResult<*> = wrapResult(data, Name.EMPTY, Meta.EMPTY)
override val tasks: Map<Name, Task<*>>
get() = context.gather<Task<*>>(Task.TYPE) + externalTasks

10
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/Task.kt
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@ -28,7 +28,7 @@ public interface Task<out T : Any> : Described {
public suspend fun execute(workspace: Workspace, taskName: Name, taskMeta: Meta): TaskResult<T>
public companion object {
public const val TYPE: String = "workspace.stage"
public const val TYPE: String = "workspace.task"
}
}
@ -42,6 +42,10 @@ public class TaskResultBuilder<T : Any>(
/**
* Create a [Task] that composes a result using [builder]. Only data from the workspace could be used.
* Data dependency cycles are not allowed.
*
* @param resultType the type boundary for data produced by this task
* @param descriptor of meta accepted by this task
* @param builder for resulting data set
*/
@Suppress("FunctionName")
@DFInternal
@ -60,9 +64,9 @@ public fun <T : Any> Task(
): TaskResult<T> = withContext(GoalExecutionRestriction() + workspace.goalLogger) {
//TODO use safe builder and check for external data on add and detects cycles
val dataset = DataTree<T>(resultType) {
TaskResultBuilder(workspace,taskName, taskMeta, this).apply { builder() }
TaskResultBuilder(workspace, taskName, taskMeta, this).apply { builder() }
}
workspace.internalize(dataset, taskName, taskMeta)
workspace.wrapResult(dataset, taskName, taskMeta)
}
}

2
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/TaskData.kt
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@ -42,6 +42,6 @@ private class TaskDataImpl<out T : Any>(
// }
}
internal fun <T : Any> Workspace.internalize(data: Data<T>, name: Name, stage: Name, stageMeta: Meta): TaskData<T> =
internal fun <T : Any> Workspace.wrapResult(data: Data<T>, name: Name, stage: Name, stageMeta: Meta): TaskData<T> =
TaskDataImpl(this, data, name, stage, stageMeta)

11
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/TaskResult.kt
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@ -37,13 +37,16 @@ private class TaskResultImpl<out T : Any>(
) : TaskResult<T>, DataSet<T> by dataSet {
override fun flow(): Flow<TaskData<T>> = dataSet.flow().map {
workspace.internalize(it, it.name, taskName, taskMeta)
workspace.wrapResult(it, it.name, taskName, taskMeta)
}
override suspend fun getData(name: Name): TaskData<T>? = dataSet.getData(name)?.let {
workspace.internalize(it, name, taskName, taskMeta)
workspace.wrapResult(it, name, taskName, taskMeta)
}
}
internal fun <T : Any> Workspace.internalize(dataSet: DataSet<T>, stage: Name, stageMeta: Meta): TaskResult<T> =
TaskResultImpl(this, dataSet, stage, stageMeta)
/**
* Wrap data into [TaskResult]
*/
public fun <T : Any> Workspace.wrapResult(dataSet: DataSet<T>, taskName: Name, taskMeta: Meta): TaskResult<T> =
TaskResultImpl(this, dataSet, taskName, taskMeta)

5
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/Workspace.kt
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@ -1,6 +1,7 @@
package space.kscience.dataforge.workspace
import space.kscience.dataforge.context.ContextAware
import space.kscience.dataforge.data.DataSet
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.meta.MutableMeta
import space.kscience.dataforge.misc.Type
@ -8,6 +9,10 @@ import space.kscience.dataforge.names.Name
import space.kscience.dataforge.provider.Provider
public interface DataSelector<T: Any>{
public suspend fun select(workspace: Workspace, meta: Meta): DataSet<T>
}
@Type(Workspace.TYPE)
public interface Workspace : ContextAware, Provider {
/**

13
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/WorkspaceBuilder.kt
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@ -17,7 +17,18 @@ import space.kscience.dataforge.names.Name
import kotlin.properties.PropertyDelegateProvider
import kotlin.properties.ReadOnlyProperty
public data class TaskReference<T: Any>(public val taskName: Name, public val task: Task<T>)
public data class TaskReference<T: Any>(public val taskName: Name, public val task: Task<T>): DataSelector<T>{
@Suppress("UNCHECKED_CAST")
override suspend fun select(workspace: Workspace, meta: Meta): DataSet<T> {
if (workspace.tasks[taskName] == task) {
return workspace.produce(taskName, meta) as TaskResult<T>
} else {
error("Task $taskName does not belong to the workspace")
}
}
}
public interface TaskContainer {
public fun registerTask(taskName: Name, task: Task<*>)

9
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/taskBuilders.kt Normal file
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@ -0,0 +1,9 @@
package space.kscience.dataforge.workspace
import space.kscience.dataforge.data.DataSet
import space.kscience.dataforge.meta.Meta
public suspend fun <T : Any> TaskResultBuilder<*>.from(
selector: DataSelector<T>,
meta: Meta = Meta.EMPTY,
): DataSet<T> = selector.select(workspace, meta)

24
dataforge-workspace/src/jvmMain/kotlin/space/kscience/dataforge/workspace/taskBuilders.kt
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@ -1,24 +0,0 @@
package space.kscience.dataforge.workspace
import space.kscience.dataforge.data.DataSet
import space.kscience.dataforge.data.select
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.names.Name
public suspend inline fun <reified T : Any> TaskResultBuilder<T>.from(
task: Name,
taskMeta: Meta = Meta.EMPTY,
): DataSet<T> = workspace.produce(task, taskMeta).select()
@Suppress("UNCHECKED_CAST")
public suspend fun <R : Any> TaskResultBuilder<*>.from(
reference: TaskReference<R>,
taskMeta: Meta = Meta.EMPTY,
): DataSet<R> {
if (workspace.tasks[reference.taskName] == reference.task) {
return workspace.produce(reference.taskName, taskMeta) as TaskResult<R>
} else {
throw error("Task ${reference.taskName} does not belong to the workspace")
}
}

11
dataforge-workspace/src/jvmMain/kotlin/space/kscience/dataforge/workspace/workspaceExtensions.kt
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@ -1,8 +1,17 @@
package space.kscience.dataforge.workspace
import kotlinx.coroutines.runBlocking
import space.kscience.dataforge.data.DataSet
import space.kscience.dataforge.data.DataSetBuilder
import space.kscience.dataforge.data.select
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.names.Name
public fun WorkspaceBuilder.data(builder: suspend DataSetBuilder<Any>.() -> Unit): Unit = runBlocking {
buildData(builder)
}
}
public suspend inline fun <reified T : Any> TaskResultBuilder<*>.from(
task: Name,
taskMeta: Meta = Meta.EMPTY,
): DataSet<T> = workspace.produce(task, taskMeta).select()