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Refactor of data trees filtering

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This commit is contained in:
Alexander Nozik 2024-04-02 10:04:46 +03:00
parent 104111f62d
commit e7db1cc763
37 changed files with 644 additions and 531 deletions
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4
CHANGELOG.md
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@ -13,7 +13,9 @@
### Removed
### Fixed
- `listOfScheme` and `listOfConvertable` delegates provides correct items order
- `listOfScheme` and `listOfConvertable` delegates provides correct items order.
- Scheme meta setter works with proper sub-branch.
-
### Security

2
build.gradle.kts
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@ -8,7 +8,7 @@ plugins {
allprojects {
group = "space.kscience"
version = "0.8.1-dev-1"
version = "0.8.1"
}
subprojects {

50
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/actions/AbstractAction.kt
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@ -1,11 +1,14 @@
package space.kscience.dataforge.actions
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.flow.collect
import kotlinx.coroutines.flow.onEach
import kotlinx.coroutines.launch
import space.kscience.dataforge.data.*
import space.kscience.dataforge.data.DataSink
import space.kscience.dataforge.data.DataTree
import space.kscience.dataforge.data.DataUpdate
import space.kscience.dataforge.data.launchUpdate
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.misc.DFInternal
import space.kscience.dataforge.misc.UnsafeKType
import space.kscience.dataforge.names.Name
import space.kscience.dataforge.names.startsWith
import kotlin.reflect.KType
@ -29,7 +32,7 @@ public abstract class AbstractAction<T, R>(
* Generate initial content of the output
*/
protected abstract fun DataSink<R>.generate(
data: DataTree<T>,
source: DataTree<T>,
meta: Meta,
)
@ -40,35 +43,28 @@ public abstract class AbstractAction<T, R>(
* @param meta the metadata used for the whole data tree
* @param updatedData an updated item
*/
protected open fun DataSink<R>.update(
protected open suspend fun DataSink<R>.update(
source: DataTree<T>,
meta: Meta,
updatedData: NamedData<T>,
updatedData: DataUpdate<T>,
) {
//by default regenerate the whole data set
generate(source, meta)
}
@OptIn(DFInternal::class)
@OptIn(UnsafeKType::class)
override fun execute(
dataSet: DataTree<T>,
source: DataTree<T>,
meta: Meta,
): DataTree<R> = if (dataSet.isObservable()) {
MutableDataTree<R>(outputType, dataSet.updatesScope).apply {
generate(dataSet, meta)
dataSet.updates().onEach {
update(dataSet, meta, it)
}.launchIn(updatesScope)
updatesScope: CoroutineScope
): DataTree<R> = DataTree(outputType) {
generate(source, meta)
//propagate updates
launchUpdate(updatesScope) {
source.updates.onEach { update ->
update(source, meta, update)
}.collect()
}
}
}
//close updates when the source is closed
updatesScope.launch {
dataSet.awaitClose()
close()
}
}
} else {
DataTree(outputType) {
generate(dataSet, meta)
}
}
}

17
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/actions/Action.kt
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@ -1,5 +1,8 @@
package space.kscience.dataforge.actions
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.DelicateCoroutinesApi
import kotlinx.coroutines.GlobalScope
import space.kscience.dataforge.data.DataTree
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.misc.DFExperimental
@ -13,7 +16,7 @@ public fun interface Action<T, R> {
* Transform the data in the node, producing a new node. By default, it is assumed that all calculations are lazy
* so not actual computation is started at this moment.
*/
public fun execute(dataSet: DataTree<T>, meta: Meta): DataTree<R>
public fun execute(source: DataTree<T>, meta: Meta, updatesScope: CoroutineScope): DataTree<R>
public companion object
}
@ -21,23 +24,27 @@ public fun interface Action<T, R> {
/**
* A convenience method to transform data using given [action]
*/
@OptIn(DelicateCoroutinesApi::class)
public fun <T, R> DataTree<T>.transform(
action: Action<T, R>,
meta: Meta = Meta.EMPTY,
): DataTree<R> = action.execute(this, meta)
updateScope: CoroutineScope = GlobalScope,
): DataTree<R> = action.execute(this, meta, updateScope)
/**
* Action composition. The result is terminal if one of its parts is terminal
*/
public infix fun <T, I, R> Action<T, I>.then(action: Action<I, R>): Action<T, R> = Action { dataSet, meta ->
action.execute(this@then.execute(dataSet, meta), meta)
public infix fun <T, I, R> Action<T, I>.then(action: Action<I, R>): Action<T, R> = Action { dataSet, meta, scope ->
action.execute(this@then.execute(dataSet, meta, scope), meta, scope)
}
@DFExperimental
@OptIn(DelicateCoroutinesApi::class)
public operator fun <T, R> Action<T, R>.invoke(
dataSet: DataTree<T>,
meta: Meta = Meta.EMPTY,
): DataTree<R> = execute(dataSet, meta)
updateScope: CoroutineScope = GlobalScope,
): DataTree<R> = execute(dataSet, meta, updateScope)

25
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/actions/MapAction.kt
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@ -6,7 +6,7 @@ import space.kscience.dataforge.meta.MutableMeta
import space.kscience.dataforge.meta.seal
import space.kscience.dataforge.meta.toMutableMeta
import space.kscience.dataforge.misc.DFBuilder
import space.kscience.dataforge.misc.DFInternal
import space.kscience.dataforge.misc.UnsafeKType
import space.kscience.dataforge.names.Name
import kotlin.reflect.KType
import kotlin.reflect.typeOf
@ -54,7 +54,12 @@ internal class MapAction<T, R>(
private val block: MapActionBuilder<T, R>.() -> Unit,
) : AbstractAction<T, R>(outputType) {
private fun DataSink<R>.mapOne(name: Name, data: Data<T>, meta: Meta) {
private fun DataSink<R>.mapOne(name: Name, data: Data<T>?, meta: Meta) {
//fast return for null data
if (data == null) {
put(name, null)
return
}
// Creating a new environment for action using **old** name, old meta and task meta
val env = ActionEnv(name, data.meta, meta)
@ -73,7 +78,7 @@ internal class MapAction<T, R>(
//getting new meta
val newMeta = builder.meta.seal()
@OptIn(DFInternal::class)
@OptIn(UnsafeKType::class)
val newData = Data(builder.outputType, newMeta, dependencies = listOf(data)) {
builder.result(env, data.await())
}
@ -81,12 +86,18 @@ internal class MapAction<T, R>(
put(newName, newData)
}
override fun DataSink<R>.generate(data: DataTree<T>, meta: Meta) {
data.forEach { mapOne(it.name, it.data, meta) }
override fun DataSink<R>.generate(source: DataTree<T>, meta: Meta) {
source.forEach { mapOne(it.name, it.data, meta) }
}
override fun DataSink<R>.update(source: DataTree<T>, meta: Meta, updatedData: NamedData<T>) {
mapOne(updatedData.name, updatedData.data, updatedData.meta)
override suspend fun DataSink<R>.update(
source: DataTree<T>,
meta: Meta,
updatedData: DataUpdate<T>,
) {
mapOne(updatedData.name, updatedData.data, meta)
}
}

8
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/actions/ReduceAction.kt
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@ -4,7 +4,7 @@ import space.kscience.dataforge.data.*
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.meta.MutableMeta
import space.kscience.dataforge.misc.DFBuilder
import space.kscience.dataforge.misc.DFInternal
import space.kscience.dataforge.misc.UnsafeKType
import space.kscience.dataforge.names.Name
import space.kscience.dataforge.names.parseAsName
import kotlin.reflect.KType
@ -84,8 +84,8 @@ internal class ReduceAction<T, R>(
) : AbstractAction<T, R>(outputType) {
//TODO optimize reduction. Currently, the whole action recalculates on push
override fun DataSink<R>.generate(data: DataTree<T>, meta: Meta) {
ReduceGroupBuilder<T, R>(meta, outputType).apply(action).buildGroups(data).forEach { group ->
override fun DataSink<R>.generate(source: DataTree<T>, meta: Meta) {
ReduceGroupBuilder<T, R>(meta, outputType).apply(action).buildGroups(source).forEach { group ->
val dataFlow: Map<Name, Data<T>> = group.set.asSequence().fold(HashMap()) { acc, value ->
acc.apply {
acc[value.name] = value.data
@ -97,7 +97,7 @@ internal class ReduceAction<T, R>(
val groupMeta = group.meta
val env = ActionEnv(groupName.parseAsName(), groupMeta, meta)
@OptIn(DFInternal::class) val res: Data<R> = dataFlow.reduceToData(
@OptIn(UnsafeKType::class) val res: Data<R> = dataFlow.reduceToData(
group.outputType,
meta = groupMeta
) { group.result.invoke(env, it) }

24
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/actions/SplitAction.kt
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@ -48,10 +48,10 @@ internal class SplitAction<T, R>(
private val action: SplitBuilder<T, R>.() -> Unit,
) : AbstractAction<T, R>(outputType) {
private fun DataSink<R>.splitOne(name: Name, data: Data<T>, meta: Meta) {
val laminate = Laminate(data.meta, meta)
private fun DataSink<R>.splitOne(name: Name, data: Data<T>?, meta: Meta) {
val laminate = Laminate(data?.meta, meta)
val split = SplitBuilder<T, R>(name, data.meta).apply(action)
val split = SplitBuilder<T, R>(name, data?.meta ?: Meta.EMPTY).apply(action)
// apply individual fragment rules to result
@ -63,6 +63,9 @@ internal class SplitAction<T, R>(
).apply(rule)
//data.map<R>(outputType, meta = env.meta) { env.result(it) }.named(fragmentName)
if (data == null) {
put(fragmentName, null)
} else {
put(
fragmentName,
@Suppress("OPT_IN_USAGE") Data(outputType, meta = env.meta, dependencies = listOf(data)) {
@ -71,13 +74,18 @@ internal class SplitAction<T, R>(
)
}
}
override fun DataSink<R>.generate(data: DataTree<T>, meta: Meta) {
data.forEach { splitOne(it.name, it.data, meta) }
}
override fun DataSink<R>.update(source: DataTree<T>, meta: Meta, updatedData: NamedData<T>) {
splitOne(updatedData.name, updatedData.data, updatedData.meta)
override fun DataSink<R>.generate(source: DataTree<T>, meta: Meta) {
source.forEach { splitOne(it.name, it.data, meta) }
}
override suspend fun DataSink<R>.update(
source: DataTree<T>,
meta: Meta,
updatedData: DataUpdate<T>,
) {
splitOne(updatedData.name, updatedData.data, meta)
}
}

16
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/data/Data.kt
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@ -4,8 +4,8 @@ import kotlinx.coroutines.*
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.meta.MetaRepr
import space.kscience.dataforge.meta.isEmpty
import space.kscience.dataforge.misc.DFInternal
import space.kscience.dataforge.misc.DfType
import space.kscience.dataforge.misc.UnsafeKType
import kotlin.coroutines.CoroutineContext
import kotlin.coroutines.EmptyCoroutineContext
import kotlin.reflect.KType
@ -41,7 +41,7 @@ public interface Data<out T> : Goal<T>, MetaRepr {
*/
internal val TYPE_OF_NOTHING: KType = typeOf<Unit>()
public inline fun <reified T> static(
public inline fun <reified T> wrapValue(
value: T,
meta: Meta = Meta.EMPTY,
): Data<T> = StaticData(typeOf<T>(), value, meta)
@ -50,10 +50,10 @@ public interface Data<out T> : Goal<T>, MetaRepr {
* An empty data containing only meta
*/
@OptIn(DelicateCoroutinesApi::class)
public fun empty(meta: Meta): Data<Nothing> = object : Data<Nothing> {
override val type: KType = TYPE_OF_NOTHING
public fun buildEmpty(meta: Meta): Data<Nothing> = object : Data<Nothing> {
override val type: KType get() = TYPE_OF_NOTHING
override val meta: Meta = meta
override val dependencies: Collection<Goal<*>> = emptyList()
override val dependencies: Collection<Goal<*>> get() = emptyList()
override val deferred: Deferred<Nothing>
get() = GlobalScope.async(start = CoroutineStart.LAZY) {
error("The Data is empty and could not be computed")
@ -62,6 +62,8 @@ public interface Data<out T> : Goal<T>, MetaRepr {
override fun async(coroutineScope: CoroutineScope): Deferred<Nothing> = deferred
override fun reset() {}
}
public val EMPTY: Data<Nothing> = buildEmpty(Meta.EMPTY)
}
}
@ -87,7 +89,7 @@ public class StaticData<T>(
public inline fun <reified T> Data(value: T, meta: Meta = Meta.EMPTY): StaticData<T> =
StaticData(typeOf<T>(), value, meta)
@DFInternal
@UnsafeKType
public fun <T> Data(
type: KType,
meta: Meta = Meta.EMPTY,
@ -96,7 +98,7 @@ public fun <T> Data(
block: suspend () -> T,
): Data<T> = LazyData(type, meta, context, dependencies, block)
@OptIn(DFInternal::class)
@OptIn(UnsafeKType::class)
public inline fun <reified T> Data(
meta: Meta = Meta.EMPTY,
context: CoroutineContext = EmptyCoroutineContext,

45
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/data/DataFilter.kt
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@ -1,28 +1,30 @@
package space.kscience.dataforge.data
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.filter
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.names.Name
import space.kscience.dataforge.names.NameToken
import space.kscience.dataforge.names.plus
import kotlin.reflect.KType
public fun interface DataFilter {
public fun accepts(name: Name, meta: Meta, type: KType): Boolean
public fun accepts(name: Name, meta: Meta?, type: KType): Boolean
public companion object {
public val EMPTY: DataFilter = DataFilter { _, _, _ -> true }
}
}
public fun DataFilter.accepts(data: NamedData<*>): Boolean = accepts(data.name, data.meta, data.type)
public fun <T> Sequence<NamedData<T>>.filterData(predicate: DataFilter): Sequence<NamedData<T>> = filter { data ->
public fun DataFilter.accepts(update: DataUpdate<*>): Boolean = accepts(update.name, update.data?.meta, update.type)
public fun <T, DU : DataUpdate<T>> Sequence<DU>.filterData(predicate: DataFilter): Sequence<DU> = filter { data ->
predicate.accepts(data)
}
public fun <T> Flow<NamedData<T>>.filterData(predicate: DataFilter): Flow<NamedData<T>> = filter { data ->
public fun <T, DU : DataUpdate<T>> Flow<DU>.filterData(predicate: DataFilter): Flow<DU> = filter { data ->
predicate.accepts(data)
}
@ -41,7 +43,8 @@ public fun <T> DataSource<T>.filterData(
public fun <T> ObservableDataSource<T>.filterData(
predicate: DataFilter,
): ObservableDataSource<T> = object : ObservableDataSource<T> {
override fun updates(): Flow<NamedData<T>> = this@filterData.updates().filter { predicate.accepts(it) }
override val updates: Flow<DataUpdate<T>>
get() = this@filterData.updates.filter { predicate.accepts(it) }
override val dataType: KType get() = this@filterData.dataType
@ -49,14 +52,32 @@ public fun <T> ObservableDataSource<T>.filterData(
this@filterData.read(name)?.takeIf { predicate.accepts(name, it.meta, it.type) }
}
public fun <T> GenericDataTree<T, *>.filterData(
predicate: DataFilter,
): DataTree<T> = asSequence().filterData(predicate).toTree(dataType)
internal class FilteredDataTree<T>(
val source: DataTree<T>,
val filter: DataFilter,
val branch: Name,
override val dataType: KType = source.dataType,
) : DataTree<T> {
public fun <T> GenericObservableDataTree<T, *>.filterData(
scope: CoroutineScope,
override val data: Data<T>?
get() = source[branch].takeIf {
filter.accepts(Name.EMPTY, data?.meta, data?.type ?: dataType)
}
override val items: Map<NameToken, DataTree<T>>
get() = source.branch(branch)?.items
?.mapValues { FilteredDataTree(source, filter, branch + it.key) }
?.filter { !it.value.isEmpty() }
?: emptyMap()
override val updates: Flow<DataUpdate<T>>
get() = source.updates.filter { filter.accepts(it) }
}
public fun <T> DataTree<T>.filterData(
predicate: DataFilter,
): ObservableDataTree<T> = asSequence().filterData(predicate).toObservableTree(dataType, scope, updates().filterData(predicate))
): DataTree<T> = FilteredDataTree(this, predicate, Name.EMPTY)
///**

157
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/data/DataSink.kt Normal file
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@ -0,0 +1,157 @@
package space.kscience.dataforge.data
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Job
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.MutableSharedFlow
import kotlinx.coroutines.flow.mapNotNull
import kotlinx.coroutines.launch
import space.kscience.dataforge.misc.UnsafeKType
import space.kscience.dataforge.names.*
import kotlin.reflect.KType
import kotlin.reflect.typeOf
public interface DataSink<in T> {
/**
* Put data without notification
*/
public fun put(name: Name, data: Data<T>?)
/**
* Put data and propagate changes downstream
*/
public suspend fun update(name: Name, data: Data<T>?)
}
/**
* Launch continuous update using
*/
public fun <T> DataSink<T>.launchUpdate(
scope: CoroutineScope,
updater: suspend DataSink<T>.() -> Unit,
): Job = scope.launch {
object : DataSink<T> {
override fun put(name: Name, data: Data<T>?) {
launch {
this@launchUpdate.update(name, data)
}
}
override suspend fun update(name: Name, data: Data<T>?) {
this@launchUpdate.update(name, data)
}
}.updater()
}
/**
* A mutable version of [DataTree]
*/
public interface MutableDataTree<T> : DataTree<T>, DataSink<T> {
override var data: Data<T>?
override val items: Map<NameToken, MutableDataTree<T>>
public fun getOrCreateItem(token: NameToken): MutableDataTree<T>
public operator fun set(token: NameToken, data: Data<T>?)
override fun put(name: Name, data: Data<T>?): Unit = set(name, data)
}
public tailrec operator fun <T> MutableDataTree<T>.set(name: Name, data: Data<T>?): Unit {
when (name.length) {
0 -> this.data = data
1 -> set(name.first(), data)
else -> getOrCreateItem(name.first())[name.cutFirst()] = data
}
}
/**
* Provide a mutable subtree if it exists
*/
public tailrec fun <T> MutableDataTree<T>.branch(name: Name): MutableDataTree<T>? =
when (name.length) {
0 -> this
1 -> items[name.first()]
else -> items[name.first()]?.branch(name.cutFirst())
}
private class MutableDataTreeRoot<T>(
override val dataType: KType,
) : MutableDataTree<T> {
override val updates = MutableSharedFlow<DataUpdate<T>>()
inner class MutableDataTreeBranch(val branchName: Name) : MutableDataTree<T> {
override var data: Data<T>? = null
override val items = HashMap<NameToken, MutableDataTree<T>>()
override val updates: Flow<DataUpdate<T>> = this@MutableDataTreeRoot.updates.mapNotNull { update ->
update.name.removeFirstOrNull(branchName)?.let {
DataUpdate(update.data?.type ?: dataType, it, update.data)
}
}
override val dataType: KType get() = this@MutableDataTreeRoot.dataType
override fun getOrCreateItem(token: NameToken): MutableDataTree<T> =
items.getOrPut(token) { MutableDataTreeBranch(branchName + token) }
override fun set(token: NameToken, data: Data<T>?) {
val subTree = getOrCreateItem(token)
subTree.data = data
}
override suspend fun update(name: Name, data: Data<T>?) {
if (name.isEmpty()) {
this.data = data
} else {
getOrCreateItem(name.first()).update(name.cutFirst(), data)
}
this@MutableDataTreeRoot.updates.emit(DataUpdate(data?.type ?: dataType, branchName + name, data))
}
}
override var data: Data<T>? = null
override val items = HashMap<NameToken, MutableDataTree<T>>()
override fun getOrCreateItem(token: NameToken): MutableDataTree<T> = items.getOrPut(token) {
MutableDataTreeRoot(dataType)
}
override fun set(token: NameToken, data: Data<T>?) {
val subTree = getOrCreateItem(token)
subTree.data = data
}
override suspend fun update(name: Name, data: Data<T>?) {
if (name.isEmpty()) {
this.data = data
} else {
getOrCreateItem(name.first()).update(name.cutFirst(), data)
}
updates.emit(DataUpdate(data?.type ?: dataType, name, data))
}
}
/**
* Create a new [MutableDataTree]
*/
@UnsafeKType
public fun <T> MutableDataTree(
type: KType,
): MutableDataTree<T> = MutableDataTreeRoot<T>(type)
/**
* Create and initialize a observable mutable data tree.
*/
@OptIn(UnsafeKType::class)
public inline fun <reified T> MutableDataTree(
generator: MutableDataTree<T>.() -> Unit = {},
): MutableDataTree<T> = MutableDataTree<T>(typeOf<T>()).apply { generator() }

263
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/data/DataSource.kt
View File

@ -1,9 +1,8 @@
package space.kscience.dataforge.data
import kotlinx.coroutines.*
import kotlinx.coroutines.flow.*
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.emptyFlow
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.misc.DFInternal
import space.kscience.dataforge.names.*
import kotlin.contracts.contract
import kotlin.reflect.KType
@ -33,46 +32,42 @@ public interface ObservableDataSource<out T> : DataSource<T> {
/**
* Flow updates made to the data
*/
public fun updates(): Flow<NamedData<T>>
public val updates: Flow<DataUpdate<T>>
}
/**
* A tree like structure for data holding
*/
public interface GenericDataTree<out T, out TR : GenericDataTree<T, TR>> : DataSource<T> {
public val self: TR
public interface DataTree<out T> : ObservableDataSource<T> {
public val data: Data<T>?
public val items: Map<NameToken, TR>
public val items: Map<NameToken, DataTree<T>>
override fun read(name: Name): Data<T>? = when (name.length) {
0 -> data
else -> items[name.first()]?.read(name.cutFirst())
}
/**
* Flow updates made to the data
*/
override val updates: Flow<DataUpdate<T>>
public companion object {
private object EmptyDataTree : GenericDataTree<Nothing, EmptyDataTree> {
override val self: EmptyDataTree get() = this
private object EmptyDataTree :
DataTree<Nothing> {
override val data: Data<Nothing>? = null
override val items: Map<NameToken, EmptyDataTree> = emptyMap()
override val dataType: KType = typeOf<Unit>()
override fun read(name: Name): Data<Nothing>? = null
override val updates: Flow<DataUpdate<Nothing>> get() = emptyFlow()
}
public val EMPTY: GenericDataTree<Nothing, *> = EmptyDataTree
public val EMPTY: DataTree<Nothing> = EmptyDataTree
}
}
public typealias DataTree<T> = GenericDataTree<T, GenericDataTree<T, *>>
/**
* Return a single data in this tree. Throw error if it is not single.
*/
public fun <T> DataTree<T>.single(): NamedData<T> = asSequence().single()
/**
* An alias for easier access to tree values
*/
@ -94,11 +89,13 @@ public fun <T> DataTree<T>.asSequence(
}
/**
* Walk the data tree depth-first
* Walk the data tree depth-first.
*
* @return a [Sequence] of pairs [Name]-[DataTree] for all nodes including the root one.
*/
private fun <T, TR: GenericDataTree<T,TR>> TR.walk(
public fun <T> DataTree<T>.walk(
namePrefix: Name = Name.EMPTY,
): Sequence<Pair<Name,TR>> = sequence {
): Sequence<Pair<Name, DataTree<T>>> = sequence {
yield(namePrefix to this@walk)
items.forEach { (token, tree) ->
yieldAll(tree.walk(namePrefix + token))
@ -110,233 +107,25 @@ public val DataTree<*>.meta: Meta? get() = data?.meta
/**
* Provide subtree if it exists
*/
public tailrec fun <T, TR : GenericDataTree<T, TR>> GenericDataTree<T, TR>.branch(name: Name): TR? =
public tailrec fun <T> DataTree<T>.branch(name: Name): DataTree<T>? =
when (name.length) {
0 -> self
0 -> this
1 -> items[name.first()]
else -> items[name.first()]?.branch(name.cutFirst())
}
public fun <T, TR : GenericDataTree<T, TR>> GenericDataTree<T, TR>.branch(name: String): TR? =
public fun <T> DataTree<T>.branch(name: String): DataTree<T>? =
branch(name.parseAsName())
public fun GenericDataTree<*, *>.isEmpty(): Boolean = data == null && items.isEmpty()
@PublishedApi
internal class FlatDataTree<T>(
override val dataType: KType,
private val dataSet: Map<Name, Data<T>>,
private val prefix: Name,
) : GenericDataTree<T, FlatDataTree<T>> {
override val self: FlatDataTree<T> get() = this
override val data: Data<T>? get() = dataSet[prefix]
override val items: Map<NameToken, FlatDataTree<T>>
get() = dataSet.keys
.filter { it.startsWith(prefix) && it.length > prefix.length }
.map { it.tokens[prefix.length] }
.associateWith { FlatDataTree(dataType, dataSet, prefix + it) }
override fun read(name: Name): Data<T>? = dataSet[prefix + name]
}
/**
* Represent this flat data map as a [DataTree] without copying it
*/
public inline fun <reified T> Map<Name, Data<T>>.asTree(): DataTree<T> = FlatDataTree(typeOf<T>(), this, Name.EMPTY)
internal fun <T> Sequence<NamedData<T>>.toTree(type: KType): DataTree<T> =
FlatDataTree(type, associate { it.name to it.data }, Name.EMPTY)
/**
* Collect a sequence of [NamedData] to a [DataTree]
*/
public inline fun <reified T> Sequence<NamedData<T>>.toTree(): DataTree<T> =
FlatDataTree(typeOf<T>(), associate { it.name to it.data }, Name.EMPTY)
public interface GenericObservableDataTree<out T, out TR : GenericObservableDataTree<T, TR>> :
GenericDataTree<T, TR>, ObservableDataSource<T>, AutoCloseable {
/**
* A scope that is used to propagate updates. When this scope is closed, no new updates could arrive.
*/
public val updatesScope: CoroutineScope
/**
* Close this data tree updates channel
*/
override fun close() {
updatesScope.cancel()
}
}
public typealias ObservableDataTree<T> = GenericObservableDataTree<T, GenericObservableDataTree<T, *>>
public fun DataTree<*>.isEmpty(): Boolean = data == null && items.isEmpty()
/**
* Check if the [DataTree] is observable
*/
public fun <T> DataTree<T>.isObservable(): Boolean {
public fun <T> DataSource<T>.isObservable(): Boolean {
contract {
returns(true) implies (this@isObservable is GenericObservableDataTree<T, *>)
returns(true) implies (this@isObservable is ObservableDataSource<T>)
}
return this is GenericObservableDataTree<T, *>
return this is ObservableDataSource<T>
}
/**
* Wait for this data tree to stop spawning updates (updatesScope is closed).
* If this [DataTree] is not observable, return immediately.
*/
public suspend fun <T> DataTree<T>.awaitClose() {
if (isObservable()) {
updatesScope.coroutineContext[Job]?.join()
}
}
public fun <T> DataTree<T>.updates(): Flow<NamedData<T>> =
if (this is GenericObservableDataTree<T, *>) updates() else emptyFlow()
public fun interface DataSink<in T> {
public fun put(name: Name, data: Data<T>?)
}
@DFInternal
public class DataTreeBuilder<T>(private val type: KType) : DataSink<T> {
private val map = HashMap<Name, Data<T>>()
override fun put(name: Name, data: Data<T>?) {
if (data == null) {
map.remove(name)
} else {
map[name] = data
}
}
public fun build(): DataTree<T> = FlatDataTree(type, map, Name.EMPTY)
}
@DFInternal
public inline fun <T> DataTree(
dataType: KType,
generator: DataSink<T>.() -> Unit,
): DataTree<T> = DataTreeBuilder<T>(dataType).apply(generator).build()
/**
* Create and a data tree.
*/
@OptIn(DFInternal::class)
public inline fun <reified T> DataTree(
generator: DataSink<T>.() -> Unit,
): DataTree<T> = DataTreeBuilder<T>(typeOf<T>()).apply(generator).build()
/**
* A mutable version of [GenericDataTree]
*/
public interface MutableDataTree<T> : GenericObservableDataTree<T, MutableDataTree<T>>, DataSink<T> {
override var data: Data<T>?
override val items: Map<NameToken, MutableDataTree<T>>
public fun getOrCreateItem(token: NameToken): MutableDataTree<T>
public operator fun set(token: NameToken, data: Data<T>?)
override fun put(name: Name, data: Data<T>?): Unit = set(name, data)
}
public tailrec operator fun <T> MutableDataTree<T>.set(name: Name, data: Data<T>?): Unit {
when (name.length) {
0 -> this.data = data
1 -> set(name.first(), data)
else -> getOrCreateItem(name.first())[name.cutFirst()] = data
}
}
private class MutableDataTreeImpl<T>(
override val dataType: KType,
override val updatesScope: CoroutineScope,
) : MutableDataTree<T> {
private val updates = MutableSharedFlow<NamedData<T>>()
private val children = HashMap<NameToken, MutableDataTree<T>>()
override var data: Data<T>? = null
set(value) {
if (!updatesScope.isActive) error("Can't send updates to closed MutableDataTree")
field = value
if (value != null) {
updatesScope.launch {
updates.emit(value.named(Name.EMPTY))
}
}
}
override val items: Map<NameToken, MutableDataTree<T>> get() = children
override fun getOrCreateItem(token: NameToken): MutableDataTree<T> = children.getOrPut(token){
MutableDataTreeImpl(dataType, updatesScope)
}
override val self: MutableDataTree<T> get() = this
override fun set(token: NameToken, data: Data<T>?) {
if (!updatesScope.isActive) error("Can't send updates to closed MutableDataTree")
val subTree = getOrCreateItem(token)
subTree.updates().onEach {
updates.emit(it.named(token + it.name))
}.launchIn(updatesScope)
subTree.data = data
}
override fun updates(): Flow<NamedData<T>> = updates
}
/**
* Create a new [MutableDataTree]
*
* @param parentScope a [CoroutineScope] to control data propagation. By default uses [GlobalScope]
*/
@OptIn(DelicateCoroutinesApi::class)
public fun <T> MutableDataTree(
type: KType,
parentScope: CoroutineScope = GlobalScope,
): MutableDataTree<T> = MutableDataTreeImpl<T>(
type,
CoroutineScope(parentScope.coroutineContext + Job(parentScope.coroutineContext[Job]))
)
/**
* Create and initialize a observable mutable data tree.
*/
@OptIn(DelicateCoroutinesApi::class)
public inline fun <reified T> MutableDataTree(
parentScope: CoroutineScope = GlobalScope,
generator: MutableDataTree<T>.() -> Unit = {},
): MutableDataTree<T> = MutableDataTree<T>(typeOf<T>(), parentScope).apply { generator() }
//@DFInternal
//public fun <T> ObservableDataTree(
// type: KType,
// scope: CoroutineScope,
// generator: suspend MutableDataTree<T>.() -> Unit = {},
//): ObservableDataTree<T> = MutableDataTree<T>(type, scope.coroutineContext).apply(generator)
public inline fun <reified T> ObservableDataTree(
parentScope: CoroutineScope,
generator: MutableDataTree<T>.() -> Unit = {},
): ObservableDataTree<T> = MutableDataTree<T>(typeOf<T>(), parentScope).apply(generator)
/**
* Collect a [Sequence] into an observable tree with additional [updates]
*/
public fun <T> Sequence<NamedData<T>>.toObservableTree(
dataType: KType,
parentScope: CoroutineScope,
updates: Flow<NamedData<T>>,
): ObservableDataTree<T> = MutableDataTree<T>(dataType, parentScope).apply {
this.putAll(this@toObservableTree)
updates.onEach {
put(it.name, it.data)
}.launchIn(updatesScope)
}

10
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/data/GroupRule.kt
View File

@ -17,7 +17,7 @@ package space.kscience.dataforge.data
import space.kscience.dataforge.meta.get
import space.kscience.dataforge.meta.string
import space.kscience.dataforge.misc.DFInternal
import space.kscience.dataforge.misc.UnsafeKType
public interface GroupRule {
public fun <T> gather(set: DataTree<T>): Map<String, DataTree<T>>
@ -31,7 +31,7 @@ public interface GroupRule {
* @param defaultTagValue
* @return
*/
@OptIn(DFInternal::class)
@OptIn(UnsafeKType::class)
public fun byMetaValue(
key: String,
defaultTagValue: String,
@ -40,15 +40,15 @@ public interface GroupRule {
override fun <T> gather(
set: DataTree<T>,
): Map<String, DataTree<T>> {
val map = HashMap<String, DataTreeBuilder<T>>()
val map = HashMap<String, MutableDataTree<T>>()
set.forEach { data ->
val tagValue: String = data.meta[key]?.string ?: defaultTagValue
map.getOrPut(tagValue) { DataTreeBuilder(set.dataType) }.put(data.name, data.data)
map.getOrPut(tagValue) { MutableDataTree(set.dataType) }.put(data.name, data.data)
}
return map.mapValues { it.value.build() }
return map
}
}
}

2
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/data/MetaMaskData.kt
View File

@ -20,4 +20,4 @@ public fun <T> Data<T>.withMeta(newMeta: Meta): Data<T> = if (this is MetaMaskDa
* Create a new [Data] with the same computation, but different meta. The meta is created by applying [block] to
* the existing data meta.
*/
public inline fun <T> Data<T>.mapMeta(block: MutableMeta.() -> Unit): Data<T> = withMeta(meta.copy(block))
public inline fun <T> Data<T>.withMeta(block: MutableMeta.() -> Unit): Data<T> = withMeta(meta.copy(block))

26
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/data/NamedData.kt
View File

@ -3,10 +3,30 @@ package space.kscience.dataforge.data
import space.kscience.dataforge.meta.isEmpty
import space.kscience.dataforge.misc.Named
import space.kscience.dataforge.names.Name
import kotlin.reflect.KType
public interface NamedData<out T> : Named, Data<T> {
/**
* An interface implementing a data update event.
*
* If [data] is null, then corresponding element should be removed.
*/
public interface DataUpdate<out T> : Named {
public val type: KType
override val name: Name
public val data: Data<T>
public val data: Data<T>?
}
public fun <T> DataUpdate(type: KType, name: Name, data: Data<T>?): DataUpdate<T> = object : DataUpdate<T> {
override val type: KType = type
override val name: Name = name
override val data: Data<T>? = data
}
/**
* A data coupled to a name.
*/
public interface NamedData<out T> : DataUpdate<T>, Data<T> {
override val data: Data<T>
}
public operator fun NamedData<*>.component1(): Name = name
@ -33,3 +53,5 @@ public fun <T> Data<T>.named(name: Name): NamedData<T> = if (this is NamedData)
} else {
NamedDataImpl(name, this)
}
public fun <T> NamedData(name: Name, data: Data<T>): NamedData<T> = data.named(name)

69
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/data/dataBuilders.kt
View File

@ -1,5 +1,6 @@
package space.kscience.dataforge.data
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Job
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.onEach
@ -22,31 +23,27 @@ public inline fun <T> DataSink<T>.putAll(
if (prefix.isEmpty()) {
apply(block)
} else {
val proxyDataSink = DataSink { nameWithoutPrefix, data ->
this.put(prefix + nameWithoutPrefix, data)
val proxyDataSink = object :DataSink<T>{
override fun put(name: Name, data: Data<T>?) {
this@putAll.put(prefix + name, data)
}
override suspend fun update(name: Name, data: Data<T>?) {
this@putAll.update(prefix + name, data)
}
}
proxyDataSink.apply(block)
}
}
@Deprecated("Use putAll", ReplaceWith("putAll(prefix, block)"))
public inline fun <T> DataSink<T>.branch(
prefix: Name,
block: DataSink<T>.() -> Unit,
): Unit = putAll(prefix, block)
public inline fun <T> DataSink<T>.putAll(
prefix: String,
block: DataSink<T>.() -> Unit,
): Unit = putAll(prefix.asName(), block)
@Deprecated("Use putAll", ReplaceWith("putAll(prefix, block)"))
public inline fun <T> DataSink<T>.branch(
prefix: String,
block: DataSink<T>.() -> Unit,
): Unit = putAll(prefix, block)
public fun <T> DataSink<T>.put(name: String, value: Data<T>) {
put(Name.parse(name), value)
@ -56,20 +53,15 @@ public fun <T> DataSink<T>.putAll(name: Name, tree: DataTree<T>) {
putAll(name) { putAll(tree.asSequence()) }
}
@Deprecated("Use putAll", ReplaceWith("putAll(name, tree)"))
public fun <T> DataSink<T>.branch(name: Name, tree: DataTree<T>): Unit = putAll(name, tree)
public fun <T> DataSink<T>.putAll(name: String, tree: DataTree<T>) {
putAll(Name.parse(name)) { putAll(tree.asSequence()) }
}
@Deprecated("Use putAll", ReplaceWith("putAll(name, tree)"))
public fun <T> DataSink<T>.branch(name: String, tree: DataTree<T>): Unit = putAll(name, tree)
/**
* Produce lazy [Data] and emit it into the [MutableDataTree]
*/
public inline fun <reified T> DataSink<T>.put(
public inline fun <reified T> DataSink<T>.putValue(
name: String,
meta: Meta = Meta.EMPTY,
noinline producer: suspend () -> T,
@ -78,7 +70,7 @@ public inline fun <reified T> DataSink<T>.put(
put(name, data)
}
public inline fun <reified T> DataSink<T>.put(
public inline fun <reified T> DataSink<T>.putValue(
name: Name,
meta: Meta = Meta.EMPTY,
noinline producer: suspend () -> T,
@ -90,24 +82,23 @@ public inline fun <reified T> DataSink<T>.put(
/**
* Emit static data with the fixed value
*/
public inline fun <reified T> DataSink<T>.wrap(
public inline fun <reified T> DataSink<T>.putValue(
name: String,
data: T,
value: T,
meta: Meta = Meta.EMPTY,
): Unit = put(name, Data.static(data, meta))
): Unit = put(name, Data.wrapValue(value, meta))
public inline fun <reified T> DataSink<T>.wrap(
public inline fun <reified T> DataSink<T>.putValue(
name: Name,
data: T,
value: T,
meta: Meta = Meta.EMPTY,
): Unit = put(name, Data.static(data, meta))
): Unit = put(name, Data.wrapValue(value, meta))
public inline fun <reified T> DataSink<T>.wrap(
public inline fun <reified T> DataSink<T>.putValue(
name: String,
data: T,
mutableMeta: MutableMeta.() -> Unit,
): Unit = put(Name.parse(name), Data.static(data, Meta(mutableMeta)))
value: T,
metaBuilder: MutableMeta.() -> Unit,
): Unit = put(Name.parse(name), Data.wrapValue(value, Meta(metaBuilder)))
public fun <T> DataSink<T>.putAll(sequence: Sequence<NamedData<T>>) {
sequence.forEach {
@ -123,18 +114,12 @@ public fun <T> DataSink<T>.putAll(tree: DataTree<T>) {
* Copy given data set and mirror its changes to this [DataSink] in [this@setAndObserve]. Returns an update [Job]
*/
public fun <T : Any> DataSink<T>.putAllAndWatch(
scope: CoroutineScope,
branchName: Name = Name.EMPTY,
dataSet: ObservableDataTree<T>,
source: DataTree<T>,
): Job {
putAll(branchName, dataSet)
return dataSet.updates().onEach {
putAll(branchName, source)
return source.updates.onEach {
put(branchName + it.name, it.data)
}.launchIn(dataSet.updatesScope)
}.launchIn(scope)
}
@Deprecated("Use putAllAndWatch", ReplaceWith("putAllAndWatch(name, dataSet)"))
public fun <T : Any> DataSink<T>.watchBranch(
name: Name,
dataSet: ObservableDataTree<T>,
): Job = putAllAndWatch(name, dataSet)

17
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/data/dataTransform.kt
View File

@ -1,7 +1,7 @@
package space.kscience.dataforge.data
import space.kscience.dataforge.meta.*
import space.kscience.dataforge.misc.DFInternal
import space.kscience.dataforge.misc.UnsafeKType
import space.kscience.dataforge.names.Name
import space.kscience.dataforge.names.NameToken
import kotlin.coroutines.CoroutineContext
@ -68,7 +68,7 @@ internal fun Map<*, Data<*>>.joinMeta(): Meta = Meta {
}
}
@DFInternal
@UnsafeKType
public fun <K, T, R> Map<K, Data<T>>.reduceToData(
outputType: KType,
meta: Meta = joinMeta(),
@ -103,7 +103,7 @@ public inline fun <K, T, reified R> Map<K, Data<T>>.reduceToData(
//Iterable operations
@DFInternal
@UnsafeKType
public inline fun <T, R> Iterable<Data<T>>.reduceToData(
outputType: KType,
meta: Meta = joinMeta(),
@ -118,7 +118,7 @@ public inline fun <T, R> Iterable<Data<T>>.reduceToData(
transformation(map { it.awaitWithMeta() })
}
@OptIn(DFInternal::class)
@OptIn(UnsafeKType::class)
public inline fun <T, reified R> Iterable<Data<T>>.reduceToData(
meta: Meta = joinMeta(),
coroutineContext: CoroutineContext = EmptyCoroutineContext,
@ -141,7 +141,7 @@ public inline fun <T, reified R> Iterable<Data<T>>.foldToData(
/**
* Transform an [Iterable] of [NamedData] to a single [Data].
*/
@DFInternal
@UnsafeKType
public inline fun <T, R> Iterable<NamedData<T>>.reduceNamedToData(
outputType: KType,
meta: Meta = joinMeta(),
@ -156,7 +156,7 @@ public inline fun <T, R> Iterable<NamedData<T>>.reduceNamedToData(
transformation(map { it.awaitWithMeta() })
}
@OptIn(DFInternal::class)
@OptIn(UnsafeKType::class)
public inline fun <T, reified R> Iterable<NamedData<T>>.reduceNamedToData(
meta: Meta = joinMeta(),
coroutineContext: CoroutineContext = EmptyCoroutineContext,
@ -181,7 +181,8 @@ public inline fun <T, reified R> Iterable<NamedData<T>>.foldNamedToData(
//DataSet operations
@DFInternal
@UnsafeKType
public suspend fun <T, R> DataTree<T>.transform(
outputType: KType,
metaTransform: MutableMeta.() -> Unit = {},
@ -198,7 +199,7 @@ public suspend fun <T, R> DataTree<T>.transform(
}
}
@OptIn(DFInternal::class)
@OptIn(UnsafeKType::class)
public suspend inline fun <T, reified R> DataTree<T>.transform(
noinline metaTransform: MutableMeta.() -> Unit = {},
coroutineContext: CoroutineContext = EmptyCoroutineContext,

112
dataforge-data/src/commonMain/kotlin/space/kscience/dataforge/data/dataTreeBuilder.kt Normal file
View File

@ -0,0 +1,112 @@
package space.kscience.dataforge.data
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.MutableSharedFlow
import kotlinx.coroutines.flow.mapNotNull
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock
import space.kscience.dataforge.misc.UnsafeKType
import space.kscience.dataforge.names.*
import kotlin.reflect.KType
import kotlin.reflect.typeOf
private class FlatDataTree<T>(
override val dataType: KType,
private val dataSet: Map<Name, Data<T>>,
private val sourceUpdates: Flow<DataUpdate<T>>,
private val prefix: Name,
) : DataTree<T> {
override val data: Data<T>? get() = dataSet[prefix]
override val items: Map<NameToken, FlatDataTree<T>>
get() = dataSet.keys
.filter { it.startsWith(prefix) && it.length > prefix.length }
.map { it.tokens[prefix.length] }
.associateWith { FlatDataTree(dataType, dataSet, sourceUpdates, prefix + it) }
override fun read(name: Name): Data<T>? = dataSet[prefix + name]
override val updates: Flow<DataUpdate<T>> =
sourceUpdates.mapNotNull { update ->
update.name.removeFirstOrNull(prefix)?.let { DataUpdate(dataType, it, update.data) }
}
}
/**
* A builder for static [DataTree].
*/
private class DataTreeBuilder<T>(
private val type: KType,
initialData: Map<Name, Data<T>> = emptyMap(),
) : DataSink<T> {
private val map = HashMap<Name, Data<T>>(initialData)
private val mutex = Mutex()
private val updatesFlow = MutableSharedFlow<DataUpdate<T>>()
override fun put(name: Name, data: Data<T>?) {
if (data == null) {
map.remove(name)
} else {
map[name] = data
}
}
override suspend fun update(name: Name, data: Data<T>?) {
mutex.withLock {
if (data == null) {
map.remove(name)
} else {
map.put(name, data)
}
}
updatesFlow.emit(DataUpdate(data?.type ?: type, name, data))
}
public fun build(): DataTree<T> = FlatDataTree(type, map, updatesFlow, Name.EMPTY)
}
/**
* Create a static [DataTree]
*/
@UnsafeKType
public fun <T> DataTree(
dataType: KType,
generator: DataSink<T>.() -> Unit,
): DataTree<T> = DataTreeBuilder<T>(dataType).apply(generator).build()
/**
* Create and a data tree.
*/
@OptIn(UnsafeKType::class)
public inline fun <reified T> DataTree(
noinline generator: DataSink<T>.() -> Unit,
): DataTree<T> = DataTree(typeOf<T>(), generator)
/**
* Represent this flat data map as a [DataTree] without copying it
*/
@UnsafeKType
public fun <T> Map<Name, Data<T>>.asTree(type: KType): DataTree<T> =
DataTreeBuilder(type, this).build()
/**
* Represent this flat data map as a [DataTree] without copying it
*/
@OptIn(UnsafeKType::class)
public inline fun <reified T> Map<Name, Data<T>>.asTree(): DataTree<T> = asTree(typeOf<T>())
@UnsafeKType
public fun <T> Sequence<NamedData<T>>.toTree(type: KType): DataTree<T> =
DataTreeBuilder(type, associate { it.name to it.data }).build()
/**
* Collect a sequence of [NamedData] to a [DataTree]
*/
@OptIn(UnsafeKType::class)
public inline fun <reified T> Sequence<NamedData<T>>.toTree(): DataTree<T> = toTree(typeOf<T>())

22
dataforge-data/src/jvmTest/kotlin/space/kscience/dataforge/data/ActionsTest.kt → dataforge-data/src/commonTest/kotlin/space/kscience/dataforge/data/ActionsTest.kt
View File

@ -1,22 +1,24 @@
package space.kscience.dataforge.data
import kotlinx.coroutines.delay
import kotlinx.coroutines.runBlocking
import kotlinx.coroutines.flow.collect
import kotlinx.coroutines.flow.onEach
import kotlinx.coroutines.flow.take
import kotlinx.coroutines.test.runTest
import org.junit.jupiter.api.Test
import space.kscience.dataforge.actions.Action
import space.kscience.dataforge.actions.invoke
import space.kscience.dataforge.actions.mapping
import space.kscience.dataforge.misc.DFExperimental
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.time.Duration.Companion.milliseconds
@OptIn(DFExperimental::class)
internal class ActionsTest {
@Test
fun testStaticMapAction() = runTest {
fun testStaticMapAction() = runTest(timeout = 500.milliseconds) {
val data: DataTree<Int> = DataTree {
repeat(10) {
wrap(it.toString(), it)
putValue(it.toString(), it)
}
}
@ -28,7 +30,7 @@ internal class ActionsTest {
}
@Test
fun testDynamicMapAction() = runBlocking {
fun testDynamicMapAction() = runTest(timeout = 500.milliseconds) {
val source: MutableDataTree<Int> = MutableDataTree()
val plusOne = Action.mapping<Int, Int> {
@ -39,13 +41,9 @@ internal class ActionsTest {
repeat(10) {
source.wrap(it.toString(), it)
source.putValue(it.toString(), it)
}
delay(20)
source.close()
result.awaitClose()
result.updates.take(10).onEach { println(it.name) }.collect()
assertEquals(2, result["1"]?.await())
}

71
dataforge-data/src/commonTest/kotlin/space/kscience/dataforge/data/DataTreeBuilderTest.kt Normal file
View File

@ -0,0 +1,71 @@
package space.kscience.dataforge.data
import kotlinx.coroutines.cancel
import kotlinx.coroutines.flow.collect
import kotlinx.coroutines.flow.take
import kotlinx.coroutines.launch
import kotlinx.coroutines.test.runTest
import space.kscience.dataforge.names.asName
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.time.Duration.Companion.milliseconds
internal class DataTreeBuilderTest {
@Test
fun testTreeBuild() = runTest(timeout = 500.milliseconds) {
val node = DataTree<Any> {
putAll("primary"){
putValue("a", "a")
putValue("b", "b")
}
putValue("c.d", "c.d")
putValue("c.f", "c.f")
}
assertEquals("a", node["primary.a"]?.await())
assertEquals("b", node["primary.b"]?.await())
assertEquals("c.d", node["c.d"]?.await())
assertEquals("c.f", node["c.f"]?.await())
}
@Test
fun testDataUpdate() = runTest(timeout = 500.milliseconds) {
val updateData = DataTree<Any> {
putAll("update") {
put("a", Data.wrapValue("a"))
put("b", Data.wrapValue("b"))
}
}
val node = DataTree<Any> {
putAll("primary") {
putValue("a", "a")
putValue("b", "b")
}
putValue("root", "root")
putAll(updateData)
}
assertEquals("a", node["update.a"]?.await())
assertEquals("a", node["primary.a"]?.await())
}
@Test
fun testDynamicUpdates() = runTest(timeout = 500.milliseconds) {
launch {
val subNode = MutableDataTree<Int>()
val rootNode = MutableDataTree<Int>() {
putAllAndWatch(this@launch, "sub".asName(), subNode)
}
repeat(10) {
subNode.putValue("value[$it]", it)
}
subNode.updates.take(10).collect()
assertEquals(9, rootNode["sub.value[9]"]?.await())
cancel()
}.join()
}
}

45
dataforge-data/src/jvmMain/kotlin/space/kscience/dataforge/data/dataFilterJvm.kt
View File

@ -1,6 +1,5 @@
package space.kscience.dataforge.data
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.filter
import space.kscience.dataforge.misc.DFInternal
@ -25,32 +24,40 @@ private fun <R> Data<*>.castOrNull(type: KType): Data<R>? =
@Suppress("UNCHECKED_CAST")
@DFInternal
public fun <R> Sequence<NamedData<*>>.filterByDataType(type: KType): Sequence<NamedData<R>> =
public fun <R> Sequence<DataUpdate<*>>.filterByDataType(type: KType): Sequence<NamedData<R>> =
filter { it.type.isSubtypeOf(type) } as Sequence<NamedData<R>>
@Suppress("UNCHECKED_CAST")
@DFInternal
public fun <R> Flow<NamedData<*>>.filterByDataType(type: KType): Flow<NamedData<R>> =
public fun <R> Flow<DataUpdate<*>>.filterByDataType(type: KType): Flow<NamedData<R>> =
filter { it.type.isSubtypeOf(type) } as Flow<NamedData<R>>
/**
* Select all data matching given type and filters. Does not modify paths
*
* @param predicate additional filtering condition based on item name and meta. By default, accepts all
* @param filter additional filtering condition based on item name and meta. By default, accepts all
*/
@Suppress("UNCHECKED_CAST")
@DFInternal
public fun <R> DataTree<*>.filterByType(
type: KType,
predicate: DataFilter = DataFilter.EMPTY,
): DataTree<R> = asSequence().filterByDataType<R>(type).filterData(predicate).toTree(type)
branch: Name = Name.EMPTY,
filter: DataFilter = DataFilter.EMPTY,
): DataTree<R> {
val filterWithType = DataFilter { name, meta, dataType ->
filter.accepts(name, meta, dataType) && dataType.isSubtypeOf(type)
}
return FilteredDataTree(this, filterWithType, branch, type) as DataTree<R>
}
/**
* Select a single datum of the appropriate type
*/
@OptIn(DFInternal::class)
public inline fun <reified R : Any> DataTree<*>.filterByType(
predicate: DataFilter = DataFilter.EMPTY,
): DataTree<R> = filterByType(typeOf<R>(), predicate)
branch: Name = Name.EMPTY,
filter: DataFilter = DataFilter.EMPTY,
): DataTree<R> = filterByType(typeOf<R>(), branch, filter = filter)
/**
* Select a single datum if it is present and of given [type]
@ -63,25 +70,3 @@ public inline fun <reified R : Any> DataTree<*>.getByType(name: Name): NamedData
public inline fun <reified R : Any> DataTree<*>.getByType(name: String): NamedData<R>? =
this@getByType.getByType(typeOf<R>(), Name.parse(name))
/**
* Select all data matching given type and filters. Does not modify paths
*
* @param predicate additional filtering condition based on item name and meta. By default, accepts all
*/
@DFInternal
public fun <R> ObservableDataTree<*>.filterByType(
type: KType,
scope: CoroutineScope,
predicate: DataFilter = DataFilter.EMPTY,
): ObservableDataTree<R> = asSequence()
.filterByDataType<R>(type)
.filterData(predicate)
.toObservableTree(type, scope, updates().filterByDataType<R>(type).filterData(predicate))
@OptIn(DFInternal::class)
public inline fun <reified R> ObservableDataTree<*>.filterByType(
scope: CoroutineScope,
predicate: DataFilter = DataFilter.EMPTY,
): ObservableDataTree<R> = filterByType(typeOf<R>(), scope, predicate)

4
dataforge-data/src/jvmMain/kotlin/space/kscience/dataforge/data/dataSetBuilderInContext.kt
View File

@ -14,14 +14,14 @@ public infix fun <T : Any> String.put(data: Data<T>): Unit =
* Append node
*/
context(DataSink<T>)
public infix fun <T : Any> String.put(dataSet: DataTree<T>): Unit =
public infix fun <T : Any> String.putAll(dataSet: DataTree<T>): Unit =
putAll(this, dataSet)
/**
* Build and append node
*/
context(DataSink<T>)
public infix fun <T : Any> String.put(
public infix fun <T : Any> String.putAll(
block: DataSink<T>.() -> Unit,
): Unit = putAll(Name.parse(this), block)

68
dataforge-data/src/jvmTest/kotlin/space/kscience/dataforge/data/DataTreeBuilderTest.kt
View File

@ -1,68 +0,0 @@
package space.kscience.dataforge.data
import kotlinx.coroutines.delay
import kotlinx.coroutines.runBlocking
import kotlinx.coroutines.test.runTest
import space.kscience.dataforge.misc.DFExperimental
import space.kscience.dataforge.names.asName
import kotlin.test.Test
import kotlin.test.assertEquals
internal class DataTreeBuilderTest {
@Test
fun testTreeBuild() = runTest {
val node = DataTree<Any> {
"primary" put {
wrap("a", "a")
wrap("b", "b")
}
wrap("c.d", "c.d")
wrap("c.f", "c.f")
}
assertEquals("a", node["primary.a"]?.await())
assertEquals("b", node["primary.b"]?.await())
assertEquals("c.d", node["c.d"]?.await())
assertEquals("c.f", node["c.f"]?.await())
}
@OptIn(DFExperimental::class)
@Test
fun testDataUpdate() = runTest {
val updateData = DataTree<Any> {
"update" put {
"a" put Data.static("a")
"b" put Data.static("b")
}
}
val node = DataTree<Any> {
"primary" put {
wrap("a", "a")
wrap("b", "b")
}
wrap("root", "root")
putAll(updateData)
}
assertEquals("a", node["update.a"]?.await())
assertEquals("a", node["primary.a"]?.await())
}
@Test
fun testDynamicUpdates() = runBlocking {
val subNode = MutableDataTree<Int>()
val rootNode = MutableDataTree<Int> {
putAllAndWatch("sub".asName(), subNode)
}
repeat(10) {
subNode.wrap("value[$it]", it)
}
delay(20)
assertEquals(9, rootNode["sub.value[9]"]?.await())
}
}

9
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/Task.kt
View File

@ -10,6 +10,7 @@ import space.kscience.dataforge.meta.MetaSpec
import space.kscience.dataforge.meta.descriptors.Described
import space.kscience.dataforge.meta.descriptors.MetaDescriptor
import space.kscience.dataforge.misc.DfType
import space.kscience.dataforge.misc.UnsafeKType
import space.kscience.dataforge.names.Name
import space.kscience.dataforge.workspace.Task.Companion.TYPE
import kotlin.reflect.KType
@ -90,7 +91,8 @@ public fun <T : Any> Task(
taskMeta: Meta,
): TaskResult<T> {
//TODO use safe builder and check for external data on add and detects cycles
val dataset = MutableDataTree<T>(resultType, workspace.context).apply {
@OptIn(UnsafeKType::class)
val dataset = MutableDataTree<T>(resultType).apply {
TaskResultBuilder(workspace, taskName, taskMeta, this).apply {
withContext(GoalExecutionRestriction() + workspace.goalLogger) {
builder()
@ -98,7 +100,6 @@ public fun <T : Any> Task(
}
}
return workspace.wrapResult(dataset, taskName, taskMeta)
}
}
@ -117,6 +118,7 @@ public inline fun <reified T : Any> Task(
* @param builder for resulting data set
*/
@Suppress("FunctionName")
public fun <T : Any, C : MetaRepr> Task(
resultType: KType,
@ -132,7 +134,8 @@ public fun <T : Any, C : MetaRepr> Task(
): TaskResult<T> = withContext(GoalExecutionRestriction() + workspace.goalLogger) {
//TODO use safe builder and check for external data on add and detects cycles
val taskMeta = configuration.toMeta()
val dataset = MutableDataTree<T>(resultType, this).apply {
@OptIn(UnsafeKType::class)
val dataset = MutableDataTree<T>(resultType).apply {
TaskResultBuilder(workspace, taskName, taskMeta, this).apply { builder(configuration) }
}
workspace.wrapResult(dataset, taskName, taskMeta)

8
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/TaskResult.kt
View File

@ -4,7 +4,7 @@ import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Job
import kotlinx.coroutines.joinAll
import kotlinx.coroutines.launch
import space.kscience.dataforge.data.ObservableDataTree
import space.kscience.dataforge.data.DataTree
import space.kscience.dataforge.data.asSequence
import space.kscience.dataforge.data.launch
import space.kscience.dataforge.meta.Meta
@ -17,16 +17,16 @@ import space.kscience.dataforge.names.Name
* @param taskMeta The configuration of the task that produced the result
*/
public data class TaskResult<T>(
public val content: ObservableDataTree<T>,
public val content: DataTree<T>,
public val workspace: Workspace,
public val taskName: Name,
public val taskMeta: Meta,
) : ObservableDataTree<T> by content
) : DataTree<T> by content
/**
* Wrap data into [TaskResult]
*/
public fun <T> Workspace.wrapResult(data: ObservableDataTree<T>, taskName: Name, taskMeta: Meta): TaskResult<T> =
public fun <T> Workspace.wrapResult(data: DataTree<T>, taskName: Name, taskMeta: Meta): TaskResult<T> =
TaskResult(data, this, taskName, taskMeta)
/**

7
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/Workspace.kt
View File

@ -2,7 +2,10 @@ package space.kscience.dataforge.workspace
import kotlinx.coroutines.CoroutineScope
import space.kscience.dataforge.context.ContextAware
import space.kscience.dataforge.data.*
import space.kscience.dataforge.data.Data
import space.kscience.dataforge.data.DataTree
import space.kscience.dataforge.data.asSequence
import space.kscience.dataforge.data.get
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.meta.MutableMeta
import space.kscience.dataforge.misc.DfType
@ -26,7 +29,7 @@ public interface Workspace : ContextAware, Provider, CoroutineScope {
/**
* The whole data node for current workspace
*/
public val data: ObservableDataTree<*>
public val data: DataTree<*>
/**
* All targets associated with the workspace

8
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/WorkspaceBuilder.kt
View File

@ -1,6 +1,5 @@
package space.kscience.dataforge.workspace
import kotlinx.coroutines.CoroutineScope
import space.kscience.dataforge.actions.Action
import space.kscience.dataforge.context.Context
import space.kscience.dataforge.context.ContextBuilder
@ -12,6 +11,7 @@ import space.kscience.dataforge.meta.*
import space.kscience.dataforge.meta.descriptors.MetaDescriptor
import space.kscience.dataforge.meta.descriptors.MetaDescriptorBuilder
import space.kscience.dataforge.misc.DFBuilder
import space.kscience.dataforge.misc.UnsafeKType
import space.kscience.dataforge.names.Name
import space.kscience.dataforge.names.asName
import kotlin.collections.set
@ -102,15 +102,15 @@ public inline fun <T : Any, reified R : Any> TaskContainer.action(
noinline descriptorBuilder: MetaDescriptorBuilder.() -> Unit = {},
): PropertyDelegateProvider<Any?, ReadOnlyProperty<Any?, TaskReference<R>>> =
task(MetaDescriptor(descriptorBuilder)) {
result(action.execute(from(selector), taskMeta.copy(metaTransform)))
result(action.execute(from(selector), taskMeta.copy(metaTransform), workspace))
}
public class WorkspaceBuilder(
private val parentContext: Context = Global,
private val coroutineScope: CoroutineScope = parentContext,
) : TaskContainer {
private var context: Context? = null
private val data = MutableDataTree<Any?>(typeOf<Any?>(), coroutineScope)
@OptIn(UnsafeKType::class)
private val data = MutableDataTree<Any?>(typeOf<Any?>())
private val targets: HashMap<String, Meta> = HashMap()
private val tasks = HashMap<Name, Task<*>>()
private var cache: WorkspaceCache? = null

4
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/WorkspaceImpl.kt
View File

@ -2,14 +2,14 @@ package space.kscience.dataforge.workspace
import space.kscience.dataforge.context.Context
import space.kscience.dataforge.context.gather
import space.kscience.dataforge.data.ObservableDataTree
import space.kscience.dataforge.data.DataTree
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.names.Name
internal class WorkspaceImpl internal constructor(
override val context: Context,
override val data: ObservableDataTree<*>,
override val data: DataTree<*>,
override val targets: Map<String, Meta>,
tasks: Map<Name, Task<*>>,
private val postProcess: suspend (TaskResult<*>) -> TaskResult<*>,

4
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/envelopeData.kt
View File

@ -3,14 +3,14 @@ package space.kscience.dataforge.workspace
import space.kscience.dataforge.data.Data
import space.kscience.dataforge.data.await
import space.kscience.dataforge.io.*
import space.kscience.dataforge.misc.DFInternal
import space.kscience.dataforge.misc.UnsafeKType
import kotlin.reflect.typeOf
/**
* Convert an [Envelope] to a data via given format. The actual parsing is done lazily.
*/
@OptIn(DFInternal::class)
@OptIn(UnsafeKType::class)
public inline fun <reified T : Any> Envelope.toData(format: IOReader<T>): Data<T> = Data(typeOf<T>(), meta) {
data?.readWith(format) ?: error("Can't convert envelope without data to Data")
}

2
dataforge-workspace/src/commonMain/kotlin/space/kscience/dataforge/workspace/taskBuilders.kt
View File

@ -113,7 +113,7 @@ public suspend inline fun <T, reified R> TaskResultBuilder<R>.actionFrom(
action: Action<T, R>,
dependencyMeta: Meta = defaultDependencyMeta,
) {
this.putAll(action.execute(from(selector, dependencyMeta), dependencyMeta))
putAll(action.execute(from(selector, dependencyMeta), dependencyMeta, workspace))
}

3
dataforge-workspace/src/jvmMain/kotlin/space/kscience/dataforge/workspace/FileWorkspaceCache.kt
View File

@ -1,5 +1,6 @@
package space.kscience.dataforge.workspace
import kotlinx.coroutines.flow.filterIsInstance
import kotlinx.coroutines.flow.map
import kotlinx.io.*
import kotlinx.serialization.ExperimentalSerializationApi
@ -96,7 +97,7 @@ public class FileWorkspaceCache(public val cacheDirectory: Path) : WorkspaceCach
val cachedTree = result.asSequence().map { cacheOne(it) }
.toObservableTree(result.dataType, result.workspace, result.updates().map { cacheOne(it) })
.toTree(result.dataType, result.updates.filterIsInstance<NamedData<T>>().map { cacheOne(it) })
return result.workspace.wrapResult(cachedTree, result.taskName, result.taskMeta)
}

3
dataforge-workspace/src/jvmMain/kotlin/space/kscience/dataforge/workspace/InMemoryWorkspaceCache.kt
View File

@ -1,5 +1,6 @@
package space.kscience.dataforge.workspace
import kotlinx.coroutines.flow.filterIsInstance
import kotlinx.coroutines.flow.map
import space.kscience.dataforge.data.*
import space.kscience.dataforge.meta.Meta
@ -31,7 +32,7 @@ public class InMemoryWorkspaceCache : WorkspaceCache {
val cachedTree = result.asSequence().map { cacheOne(it) }
.toObservableTree(result.dataType, result.workspace, result.updates().map { cacheOne(it) })
.toTree(result.dataType, result.updates.filterIsInstance<NamedData<T>>().map { cacheOne(it) })
return result.workspace.wrapResult(cachedTree, result.taskName, result.taskMeta)
}

26
dataforge-workspace/src/jvmMain/kotlin/space/kscience/dataforge/workspace/readFileData.kt
View File

@ -7,14 +7,12 @@ import space.kscience.dataforge.data.StaticData
import space.kscience.dataforge.io.*
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.meta.copy
import space.kscience.dataforge.misc.DFExperimental
import space.kscience.dataforge.names.Name
import space.kscience.dataforge.names.NameToken
import space.kscience.dataforge.names.asName
import space.kscience.dataforge.names.plus
import java.nio.file.Files
import java.nio.file.Path
import java.nio.file.StandardWatchEventKinds
import java.nio.file.WatchEvent
import java.nio.file.*
import java.nio.file.attribute.BasicFileAttributes
import java.nio.file.spi.FileSystemProvider
import kotlin.io.path.*
@ -166,15 +164,25 @@ public fun DataSink<Binary>.monitorFiles(
* @param resources The names of the resources to read.
* @param classLoader The class loader to use for loading the resources. By default, it uses the current thread's context class loader.
*/
@DFExperimental
public fun DataSink<Binary>.resources(
io: IOPlugin,
vararg resources: String,
resource: String,
vararg otherResources: String,
classLoader: ClassLoader = Thread.currentThread().contextClassLoader,
) {
resources.forEach { resource ->
val path = classLoader.getResource(resource)?.toURI()?.toPath() ?: error(
"Resource with name $resource is not resolved"
//create a file system if necessary
val uri = Thread.currentThread().contextClassLoader.getResource("common")!!.toURI()
try {
uri.toPath()
} catch (e: FileSystemNotFoundException) {
FileSystems.newFileSystem(uri, mapOf("create" to "true"))
}
listOf(resource,*otherResources).forEach { r ->
val path = classLoader.getResource(r)?.toURI()?.toPath() ?: error(
"Resource with name $r is not resolved"
)
files(io, resource.asName(), path)
files(io, r.asName(), path)
}
}

4
dataforge-workspace/src/jvmTest/kotlin/space/kscience/dataforge/workspace/CachingWorkspaceTest.kt
View File

@ -3,7 +3,7 @@ package space.kscience.dataforge.workspace
import kotlinx.coroutines.coroutineScope
import kotlinx.coroutines.test.runTest
import org.junit.jupiter.api.Test
import space.kscience.dataforge.data.wrap
import space.kscience.dataforge.data.putValue
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.meta.boolean
import space.kscience.dataforge.meta.get
@ -22,7 +22,7 @@ internal class CachingWorkspaceTest {
data {
//statically initialize data
repeat(5) {
wrap("myData[$it]", it)
putValue("myData[$it]", it)
}
}

2
dataforge-workspace/src/jvmTest/kotlin/space/kscience/dataforge/workspace/DataPropagationTest.kt
View File

@ -47,7 +47,7 @@ class DataPropagationTest {
}
data {
repeat(100) {
wrap("myData[$it]", it)
putValue("myData[$it]", it)
}
}
}

4
dataforge-workspace/src/jvmTest/kotlin/space/kscience/dataforge/workspace/FileDataTest.kt
View File

@ -24,11 +24,11 @@ import kotlin.test.assertEquals
class FileDataTest {
val dataNode = DataTree<String> {
putAll("dir") {
wrap("a", "Some string") {
putValue("a", "Some string") {
"content" put "Some string"
}
}
wrap("b", "root data")
putValue("b", "root data")
// meta {
// "content" put "This is root meta node"
// }

4
dataforge-workspace/src/jvmTest/kotlin/space/kscience/dataforge/workspace/FileWorkspaceCacheTest.kt
View File

@ -3,7 +3,7 @@ package space.kscience.dataforge.workspace
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.test.runTest
import org.junit.jupiter.api.Test
import space.kscience.dataforge.data.wrap
import space.kscience.dataforge.data.putValue
import space.kscience.dataforge.misc.DFExperimental
import java.nio.file.Files
@ -16,7 +16,7 @@ class FileWorkspaceCacheTest {
data {
//statically initialize data
repeat(5) {
wrap("myData[$it]", it)
putValue("myData[$it]", it)
}
}
fileCache(Files.createTempDirectory("dataforge-temporary-cache"))

14
dataforge-workspace/src/jvmTest/kotlin/space/kscience/dataforge/workspace/SimpleWorkspaceTest.kt
View File

@ -6,7 +6,6 @@ package space.kscience.dataforge.workspace
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.runBlocking
import kotlinx.coroutines.test.runTest
import org.junit.jupiter.api.Timeout
import space.kscience.dataforge.context.*
import space.kscience.dataforge.data.*
import space.kscience.dataforge.meta.*
@ -16,6 +15,7 @@ import space.kscience.dataforge.names.plus
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertTrue
import kotlin.time.Duration.Companion.milliseconds
/**
@ -62,7 +62,7 @@ internal class SimpleWorkspaceTest {
data {
//statically initialize data
repeat(100) {
wrap("myData[$it]", it)
putValue("myData[$it]", it)
}
}
@ -148,18 +148,16 @@ internal class SimpleWorkspaceTest {
}
@Test
@Timeout(1)
fun testWorkspace() = runTest {
fun testWorkspace() = runTest(timeout = 10.milliseconds) {
val node = workspace.produce("sum")
val res = node.asSequence().single()
assertEquals(328350, res.await())
}
@Test
@Timeout(1)
fun testMetaPropagation() = runTest {
fun testMetaPropagation() = runTest(timeout = 10.milliseconds) {
val node = workspace.produce("sum") { "testFlag" put true }
val res = node.single().await()
val res = node.data!!.await()
}
@Test
@ -188,7 +186,7 @@ internal class SimpleWorkspaceTest {
val node = workspace.produce("filterOne") {
"name" put "myData[12]"
}
assertEquals(12, node.single().await())
assertEquals(12, node.data!!.await())
}
}