Data and DataNode file io update
This commit is contained in:
parent
6c1c49d15e
commit
71536051aa
@ -1,9 +1,9 @@
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plugins {
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plugins {
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id("scientifik.mpp") version "0.1.7-dev" apply false
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id("scientifik.mpp") version "0.1.7" apply false
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id("scientifik.publish") version "0.1.7-dev" apply false
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id("scientifik.publish") version "0.1.7" apply false
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}
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}
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val dataforgeVersion by extra("0.1.4-dev-2")
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val dataforgeVersion by extra("0.1.4-dev-3")
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val bintrayRepo by extra("dataforge")
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val bintrayRepo by extra("dataforge")
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val githubProject by extra("dataforge-core")
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val githubProject by extra("dataforge-core")
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@ -140,7 +140,7 @@ private sealed class DataTreeBuilderItem<out T : Any> {
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/**
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/**
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* A builder for a DataTree.
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* A builder for a DataTree.
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*/
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*/
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class DataTreeBuilder<T : Any>(private val type: KClass<out T>) {
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class DataTreeBuilder<T : Any>(val type: KClass<out T>) {
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private val map = HashMap<NameToken, DataTreeBuilderItem<T>>()
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private val map = HashMap<NameToken, DataTreeBuilderItem<T>>()
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operator fun set(token: NameToken, node: DataTreeBuilder<out T>) {
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operator fun set(token: NameToken, node: DataTreeBuilder<out T>) {
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@ -5,8 +5,8 @@ plugins {
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description = "IO module"
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description = "IO module"
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scientifik{
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scientifik{
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serialization = true
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withSerialization()
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io = true
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withIO()
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}
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}
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@ -26,7 +26,7 @@ interface Envelope {
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/**
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/**
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* Build a static envelope using provided builder
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* Build a static envelope using provided builder
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*/
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*/
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fun build(block: EnvelopeBuilder.() -> Unit) = EnvelopeBuilder().apply(block).build()
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operator fun invoke(block: EnvelopeBuilder.() -> Unit) = EnvelopeBuilder().apply(block).build()
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}
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}
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}
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}
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@ -97,6 +97,7 @@ class EnvelopeBuilder {
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var type by metaBuilder.string(key = Envelope.ENVELOPE_TYPE_KEY)
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var type by metaBuilder.string(key = Envelope.ENVELOPE_TYPE_KEY)
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var dataType by metaBuilder.string(key = Envelope.ENVELOPE_DATA_TYPE_KEY)
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var dataType by metaBuilder.string(key = Envelope.ENVELOPE_DATA_TYPE_KEY)
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var dataID by metaBuilder.string(key = Envelope.ENVELOPE_DATA_ID_KEY)
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var description by metaBuilder.string(key = Envelope.ENVELOPE_DESCRIPTION_KEY)
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var description by metaBuilder.string(key = Envelope.ENVELOPE_DESCRIPTION_KEY)
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/**
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/**
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@ -12,7 +12,7 @@ class RemoteFunctionClient(override val context: Context, val responder: Respond
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private fun <T : Any> IOPlugin.encodeOne(
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private fun <T : Any> IOPlugin.encodeOne(
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meta: Meta,
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meta: Meta,
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value: T
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value: T
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): Envelope = Envelope.build {
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): Envelope = Envelope.invoke {
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meta(meta)
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meta(meta)
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type = REQUEST_TYPE
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type = REQUEST_TYPE
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data {
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data {
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@ -26,7 +26,7 @@ class RemoteFunctionClient(override val context: Context, val responder: Respond
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private fun <T : Any> IOPlugin.encodeMany(
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private fun <T : Any> IOPlugin.encodeMany(
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meta: Meta,
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meta: Meta,
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values: List<T>
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values: List<T>
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): Envelope = Envelope.build {
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): Envelope = Envelope.invoke {
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meta(meta)
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meta(meta)
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type = REQUEST_TYPE
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type = REQUEST_TYPE
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meta {
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meta {
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@ -40,7 +40,7 @@ class RemoteFunctionServer(
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input
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input
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)
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)
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return Envelope.build {
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return Envelope.invoke {
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meta {
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meta {
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meta(request.meta)
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meta(request.meta)
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}
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}
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@ -5,7 +5,7 @@ import kotlin.test.assertEquals
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class EnvelopeFormatTest {
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class EnvelopeFormatTest {
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val envelope = Envelope.build {
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val envelope = Envelope.invoke {
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type = "test.format"
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type = "test.format"
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meta{
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meta{
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"d" to 22.2
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"d" to 22.2
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@ -21,3 +21,5 @@ class FileBinary(val path: Path, private val offset: UInt = 0u, size: ULong? = n
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}
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}
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}
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}
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}
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}
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fun Path.asBinary(offset: UInt = 0u, size: ULong? = null): FileBinary = FileBinary(this, offset, size)
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@ -22,7 +22,7 @@ class FileEnvelope internal constructor(val path: Path, val format: EnvelopeForm
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override val data: Binary? = FileBinary(path, partialEnvelope.dataOffset, partialEnvelope.dataSize)
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override val data: Binary? = FileBinary(path, partialEnvelope.dataOffset, partialEnvelope.dataSize)
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}
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}
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fun Path.readEnvelope(format: EnvelopeFormat) = FileEnvelope(this, format)
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fun Path.readEnvelope(format: EnvelopeFormat = TaggedEnvelopeFormat) = FileEnvelope(this, format)
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fun Path.writeEnvelope(
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fun Path.writeEnvelope(
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envelope: Envelope,
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envelope: Envelope,
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@ -1,5 +1,6 @@
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package hep.dataforge.io
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package hep.dataforge.io
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import hep.dataforge.descriptors.NodeDescriptor
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import hep.dataforge.io.functions.FunctionServer
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import hep.dataforge.io.functions.FunctionServer
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import hep.dataforge.io.functions.FunctionServer.Companion.FUNCTION_NAME_KEY
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import hep.dataforge.io.functions.FunctionServer.Companion.FUNCTION_NAME_KEY
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import hep.dataforge.io.functions.FunctionServer.Companion.INPUT_FORMAT_KEY
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import hep.dataforge.io.functions.FunctionServer.Companion.INPUT_FORMAT_KEY
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@ -7,6 +8,10 @@ import hep.dataforge.io.functions.FunctionServer.Companion.OUTPUT_FORMAT_KEY
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import hep.dataforge.meta.Meta
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import hep.dataforge.meta.Meta
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import hep.dataforge.meta.buildMeta
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import hep.dataforge.meta.buildMeta
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import hep.dataforge.names.Name
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import hep.dataforge.names.Name
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import kotlinx.io.nio.asOutput
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import java.nio.file.Files
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import java.nio.file.Path
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import java.nio.file.StandardOpenOption
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import kotlin.reflect.KClass
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import kotlin.reflect.KClass
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import kotlin.reflect.full.isSuperclassOf
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import kotlin.reflect.full.isSuperclassOf
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@ -32,3 +37,14 @@ inline fun <reified T : Any, reified R : Any> FunctionServer.function(
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val meta = plugin.generateFunctionMeta<T, R>(functionName)
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val meta = plugin.generateFunctionMeta<T, R>(functionName)
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return function(meta)
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return function(meta)
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}
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}
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/**
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* Write meta to file in a given [format]
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*/
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fun Meta.write(path: Path, format: MetaFormat, descriptor: NodeDescriptor? = null) {
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format.run {
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Files.newByteChannel(path, StandardOpenOption.WRITE, StandardOpenOption.CREATE_NEW)
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.asOutput()
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.writeMeta(this@write, descriptor)
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}
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}
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@ -34,7 +34,7 @@ class EnvelopeClient(
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suspend fun close() {
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suspend fun close() {
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try {
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try {
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respond(
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respond(
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Envelope.build {
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Envelope.invoke {
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type = EnvelopeServer.SHUTDOWN_ENVELOPE_TYPE
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type = EnvelopeServer.SHUTDOWN_ENVELOPE_TYPE
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}
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}
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)
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)
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@ -0,0 +1,30 @@
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package hep.dataforge.io
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import java.nio.file.Files
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import kotlin.test.Test
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import kotlin.test.assertTrue
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class FileEnvelopeTest {
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val envelope = Envelope {
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meta {
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"a" to "AAA"
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"b" to 22.2
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}
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dataType = "hep.dataforge.test"
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dataID = "myData" // добавил только что
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data {
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writeDouble(16.7)
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}
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}
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@Test
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fun testFileWriteRead() {
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val tmpPath = Files.createTempFile("dataforge_test", ".df")
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tmpPath.writeEnvelope(envelope)
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println(tmpPath.toUri())
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val restored: Envelope = tmpPath.readEnvelope()
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assertTrue { envelope.contentEquals(restored) }
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}
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}
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@ -46,7 +46,7 @@ class EnvelopeServerTest {
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@Test
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@Test
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fun doEchoTest() {
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fun doEchoTest() {
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val request = Envelope.build {
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val request = Envelope.invoke {
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type = "test.echo"
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type = "test.echo"
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meta {
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meta {
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"test.value" to 22
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"test.value" to 22
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@ -1,15 +1,16 @@
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package hep.dataforge.workspace
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package hep.dataforge.workspace
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import hep.dataforge.data.Data
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import hep.dataforge.data.Data
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import hep.dataforge.data.DataNode
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import hep.dataforge.data.DataTreeBuilder
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import hep.dataforge.data.datum
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import hep.dataforge.descriptors.NodeDescriptor
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import hep.dataforge.descriptors.NodeDescriptor
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import hep.dataforge.io.*
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import hep.dataforge.io.*
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import hep.dataforge.meta.EmptyMeta
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import hep.dataforge.meta.EmptyMeta
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import hep.dataforge.meta.Meta
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import hep.dataforge.meta.Meta
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.coroutineScope
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import kotlinx.coroutines.withContext
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import kotlinx.coroutines.withContext
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import kotlinx.io.nio.asInput
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import kotlinx.io.nio.asInput
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import kotlinx.io.nio.asOutput
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import java.nio.file.Files
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import java.nio.file.Files
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import java.nio.file.Path
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import java.nio.file.Path
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import java.nio.file.StandardOpenOption
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import java.nio.file.StandardOpenOption
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@ -18,51 +19,36 @@ import kotlin.reflect.KClass
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/**
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/**
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* Read meta from file in a given [format]
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* Read meta from file in a given [format]
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*/
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*/
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suspend fun Path.readMeta(format: MetaFormat, descriptor: NodeDescriptor? = null): Meta {
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fun Path.readMeta(format: MetaFormat, descriptor: NodeDescriptor? = null): Meta {
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return withContext(Dispatchers.IO) {
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return format.run {
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format.run {
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Files.newByteChannel(this@readMeta, StandardOpenOption.READ)
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Files.newByteChannel(this@readMeta, StandardOpenOption.READ)
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.asInput()
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.asInput()
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.readMeta(descriptor)
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.readMeta(descriptor)
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}
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}
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}
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}
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}
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/**
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* Write meta to file in a given [format]
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*/
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suspend fun Meta.write(path: Path, format: MetaFormat, descriptor: NodeDescriptor? = null) {
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withContext(Dispatchers.IO) {
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format.run {
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Files.newByteChannel(path, StandardOpenOption.WRITE, StandardOpenOption.CREATE_NEW)
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.asOutput()
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.writeMeta(this@write, descriptor)
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}
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}
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}
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/**
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/**
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* Read data with supported envelope format and binary format. If envelope format is null, then read binary directly from file.
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* Read data with supported envelope format and binary format. If envelope format is null, then read binary directly from file.
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* The operation is blocking since it must read meta header. The reading of envelope body is lazy
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* @param type explicit type of data read
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* @param type explicit type of data read
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* @param format binary format
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* @param format binary format
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* @param envelopeFormat the format of envelope. If null, file is read directly
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* @param envelopeFormat the format of envelope. If null, file is read directly
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* @param metaFile the relative file for optional meta override
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* @param metaFile the relative file for optional meta override
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* @param metaFileFormat the meta format for override
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* @param metaFileFormat the meta format for override
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*/
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*/
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suspend fun <T : Any> Path.readData(
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fun <T : Any> Path.readData(
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type: KClass<out T>,
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type: KClass<out T>,
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format: IOFormat<T>,
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format: IOFormat<T>,
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envelopeFormat: EnvelopeFormat? = null,
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envelopeFormat: EnvelopeFormat? = null,
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metaFile: Path = resolveSibling("$fileName.meta"),
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metaFile: Path = resolveSibling("$fileName.meta"),
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metaFileFormat: MetaFormat = JsonMetaFormat
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metaFileFormat: MetaFormat = JsonMetaFormat
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): Data<T> {
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): Data<T> {
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return coroutineScope {
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val externalMeta = if (Files.exists(metaFile)) {
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val externalMeta = if (Files.exists(metaFile)) {
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metaFile.readMeta(metaFileFormat)
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metaFile.readMeta(metaFileFormat)
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} else {
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} else {
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null
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null
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}
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}
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if (envelopeFormat == null) {
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return if (envelopeFormat == null) {
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Data(type, externalMeta ?: EmptyMeta) {
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Data(type, externalMeta ?: EmptyMeta) {
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withContext(Dispatchers.IO) {
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withContext(Dispatchers.IO) {
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format.run {
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format.run {
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@ -73,7 +59,6 @@ suspend fun <T : Any> Path.readData(
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}
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}
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}
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}
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} else {
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} else {
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withContext(Dispatchers.IO) {
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readEnvelope(envelopeFormat).let {
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readEnvelope(envelopeFormat).let {
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if (externalMeta == null) {
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if (externalMeta == null) {
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it
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it
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@ -83,6 +68,28 @@ suspend fun <T : Any> Path.readData(
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}.toData(type, format)
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}.toData(type, format)
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}
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}
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}
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}
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fun <T : Any> DataTreeBuilder<T>.file(path: Path, format: IOFormat<T>, envelopeFormat: EnvelopeFormat? = null) {
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val data = path.readData(type, format, envelopeFormat)
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val name = path.fileName.toString().replace(".df", "")
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datum(name, data)
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}
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/**
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* Read the directory as a data node
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*/
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fun <T : Any> Path.readDataNode(
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type: KClass<out T>,
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format: IOFormat<T>,
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envelopeFormat: EnvelopeFormat? = null
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): DataNode<T> {
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if (!Files.isDirectory(this)) error("Provided path $this is not a directory")
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return DataNode(type) {
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Files.list(this@readDataNode).forEach { path ->
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if (!path.fileName.toString().endsWith(".meta")) {
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file(path, format, envelopeFormat)
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}
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}
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}
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}
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}
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}
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Block a user