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Fix scheme initialization

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This commit is contained in:
Alexander Nozik 2020-11-20 16:58:27 +03:00
parent 0a77f729ec
commit 2eb5fe03cd
6 changed files with 68 additions and 41 deletions
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2
dataforge-data/src/commonMain/kotlin/hep/dataforge/data/DataFilter.kt
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@ -44,7 +44,7 @@ public fun <T : Any> DataNode<T>.filter(filter: DataFilter): DataNode<T> {
/**
* Filter data using [DataFilter] specification
*/
public fun <T : Any> DataNode<T>.filter(filter: Meta): DataNode<T> = filter(DataFilter.wrap(filter))
public fun <T : Any> DataNode<T>.filter(filter: Meta): DataNode<T> = filter(DataFilter.read(filter))
/**
* Filter data using [DataFilter] builder

2
dataforge-io/src/commonMain/kotlin/hep/dataforge/io/EnvelopeParts.kt
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@ -88,7 +88,7 @@ public fun Envelope.parts(): EnvelopeParts {
if (data == null) return emptyList()
//TODO add zip folder reader
val parts = meta.getIndexed(PARTS_KEY).values.mapNotNull { it.node }.map {
PartDescriptor.wrap(it)
PartDescriptor.read(it)
}
return if (parts.isEmpty()) {
listOf(EnvelopePart(data!!, meta[MULTIPART_KEY].node))

24
dataforge-meta/api/dataforge-meta.api
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@ -493,10 +493,16 @@ public final class hep/dataforge/meta/SchemeKt {
public class hep/dataforge/meta/SchemeSpec : hep/dataforge/meta/Specification, hep/dataforge/meta/descriptors/Described {
public fun <init> (Lkotlin/jvm/functions/Function0;)V
public fun <init> (Lkotlin/jvm/functions/Function3;)V
public synthetic fun empty ()Lhep/dataforge/meta/MutableItemProvider;
public fun empty ()Lhep/dataforge/meta/Scheme;
public synthetic fun getDescriptor ()Lhep/dataforge/meta/descriptors/ItemDescriptor;
public fun getDescriptor ()Lhep/dataforge/meta/descriptors/NodeDescriptor;
public synthetic fun wrap (Lhep/dataforge/meta/Meta;Lhep/dataforge/meta/ItemProvider;)Lhep/dataforge/meta/MutableItemProvider;
public fun wrap (Lhep/dataforge/meta/Meta;Lhep/dataforge/meta/ItemProvider;)Lhep/dataforge/meta/Scheme;
public synthetic fun invoke (Lkotlin/jvm/functions/Function1;)Lhep/dataforge/meta/MutableItemProvider;
public final fun invoke (Lkotlin/jvm/functions/Function1;)Lhep/dataforge/meta/Scheme;
public synthetic fun read (Lhep/dataforge/meta/Meta;Lhep/dataforge/meta/ItemProvider;)Lhep/dataforge/meta/MutableItemProvider;
public fun read (Lhep/dataforge/meta/Meta;Lhep/dataforge/meta/ItemProvider;)Lhep/dataforge/meta/Scheme;
public synthetic fun wrap (Lhep/dataforge/meta/Config;Lhep/dataforge/meta/ItemProvider;)Lhep/dataforge/meta/MutableItemProvider;
public fun wrap (Lhep/dataforge/meta/Config;Lhep/dataforge/meta/ItemProvider;)Lhep/dataforge/meta/Scheme;
}
public final class hep/dataforge/meta/SealedMeta : hep/dataforge/meta/AbstractMetaNode {
@ -504,19 +510,24 @@ public final class hep/dataforge/meta/SealedMeta : hep/dataforge/meta/AbstractMe
}
public abstract interface class hep/dataforge/meta/Specification {
public abstract fun wrap (Lhep/dataforge/meta/Meta;Lhep/dataforge/meta/ItemProvider;)Lhep/dataforge/meta/MutableItemProvider;
public abstract fun empty ()Lhep/dataforge/meta/MutableItemProvider;
public abstract fun invoke (Lkotlin/jvm/functions/Function1;)Lhep/dataforge/meta/MutableItemProvider;
public abstract fun read (Lhep/dataforge/meta/Meta;Lhep/dataforge/meta/ItemProvider;)Lhep/dataforge/meta/MutableItemProvider;
public abstract fun wrap (Lhep/dataforge/meta/Config;Lhep/dataforge/meta/ItemProvider;)Lhep/dataforge/meta/MutableItemProvider;
}
public final class hep/dataforge/meta/Specification$DefaultImpls {
public static synthetic fun wrap$default (Lhep/dataforge/meta/Specification;Lhep/dataforge/meta/Meta;Lhep/dataforge/meta/ItemProvider;ILjava/lang/Object;)Lhep/dataforge/meta/MutableItemProvider;
public static fun empty (Lhep/dataforge/meta/Specification;)Lhep/dataforge/meta/MutableItemProvider;
public static fun invoke (Lhep/dataforge/meta/Specification;Lkotlin/jvm/functions/Function1;)Lhep/dataforge/meta/MutableItemProvider;
public static synthetic fun read$default (Lhep/dataforge/meta/Specification;Lhep/dataforge/meta/Meta;Lhep/dataforge/meta/ItemProvider;ILjava/lang/Object;)Lhep/dataforge/meta/MutableItemProvider;
public static fun wrap (Lhep/dataforge/meta/Specification;Lhep/dataforge/meta/Config;Lhep/dataforge/meta/ItemProvider;)Lhep/dataforge/meta/MutableItemProvider;
public static synthetic fun wrap$default (Lhep/dataforge/meta/Specification;Lhep/dataforge/meta/Config;Lhep/dataforge/meta/ItemProvider;ILjava/lang/Object;)Lhep/dataforge/meta/MutableItemProvider;
}
public final class hep/dataforge/meta/SpecificationKt {
public static final fun configSpec (Lhep/dataforge/meta/MetaItem;Lhep/dataforge/meta/Specification;)Lhep/dataforge/meta/MutableItemProvider;
public static final fun configure (Lhep/dataforge/meta/MetaRepr;Lhep/dataforge/meta/Specification;Lkotlin/jvm/functions/Function1;)Lhep/dataforge/meta/MetaRepr;
public static final fun createStyle (Lhep/dataforge/meta/Specification;Lkotlin/jvm/functions/Function1;)Lhep/dataforge/meta/Meta;
public static final fun empty (Lhep/dataforge/meta/Specification;)Lhep/dataforge/meta/MutableItemProvider;
public static final fun invoke (Lhep/dataforge/meta/Specification;Lkotlin/jvm/functions/Function1;)Lhep/dataforge/meta/MutableItemProvider;
public static final fun spec (Lhep/dataforge/meta/MetaItem;Lhep/dataforge/meta/Specification;)Lhep/dataforge/meta/MutableItemProvider;
public static final fun spec (Lhep/dataforge/meta/MutableItemProvider;Lhep/dataforge/meta/Specification;Lhep/dataforge/meta/Scheme;Lhep/dataforge/names/Name;)Lkotlin/properties/ReadWriteProperty;
public static final fun spec (Lhep/dataforge/meta/MutableItemProvider;Lhep/dataforge/meta/Specification;Lhep/dataforge/names/Name;)Lkotlin/properties/ReadWriteProperty;
@ -524,7 +535,6 @@ public final class hep/dataforge/meta/SpecificationKt {
public static synthetic fun spec$default (Lhep/dataforge/meta/MutableItemProvider;Lhep/dataforge/meta/Specification;Lhep/dataforge/names/Name;ILjava/lang/Object;)Lkotlin/properties/ReadWriteProperty;
public static final fun update (Lhep/dataforge/meta/Configurable;Lhep/dataforge/meta/Specification;Lkotlin/jvm/functions/Function1;)Lhep/dataforge/meta/Configurable;
public static final fun update (Lhep/dataforge/meta/Specification;Lhep/dataforge/meta/Meta;Lkotlin/jvm/functions/Function1;)Lhep/dataforge/meta/MutableItemProvider;
public static final fun wrap (Lhep/dataforge/meta/Specification;Lhep/dataforge/meta/Meta;)Lhep/dataforge/meta/MutableItemProvider;
}
public abstract interface class hep/dataforge/meta/descriptors/Described {

24
dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Scheme.kt
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@ -16,7 +16,10 @@ public open class Scheme(
) : Configurable, MutableItemProvider, Described, MetaRepr {
override var config: Config = config
internal set
internal set(value) {
//Fix problem with `init` blocks in specifications
field = value.apply { update(field) }
}
override var descriptor: NodeDescriptor? = descriptor
internal set
@ -94,17 +97,18 @@ public open class SchemeSpec<T : Scheme>(
}
})
/**
* If the provided [Meta] is a [Config] use it as a scheme base, otherwise use it as default.
*/
override fun wrap(meta: Meta, defaultProvider: ItemProvider): T = if (meta is Config) {
builder(meta, defaultProvider, descriptor)
} else {
override fun read(meta: Meta, defaultProvider: ItemProvider): T =
builder(Config(), meta.withDefault(defaultProvider), descriptor)
override fun wrap(config: Config, defaultProvider: ItemProvider): T {
return builder(config, defaultProvider, descriptor)
}
//TODO Generate descriptor from Scheme class
override val descriptor: NodeDescriptor? get() = null
@Suppress("OVERRIDE_BY_INLINE")
final override inline operator fun invoke(action: T.() -> Unit): T = empty().apply(action)
}
///**
@ -118,7 +122,9 @@ public open class SchemeSpec<T : Scheme>(
// override val defaultLayer: Meta get() = Laminate(meta, descriptor?.defaultItem().node)
//}
public fun Meta.asScheme(): Scheme = Scheme(this.asConfig(), null, null)
public fun Meta.asScheme(): Scheme = Scheme().apply {
config = this@asScheme.asConfig()
}
public fun <T : MutableItemProvider> Meta.toScheme(spec: Specification<T>, block: T.() -> Unit = {}): T =
spec.wrap(this).apply(block)
spec.read(this).apply(block)

47
dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Specification.kt
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@ -13,27 +13,33 @@ import kotlin.reflect.KProperty
*/
public interface Specification<T : MutableItemProvider> {
/**
* Wrap generic configuration producing instance of desired type
* Read generic read-only meta with this [Specification] producing instance of desired type.
*/
public fun wrap(meta: Meta, defaultProvider: ItemProvider = ItemProvider.EMPTY): T
public fun read(meta: Meta, defaultProvider: ItemProvider = ItemProvider.EMPTY): T
/**
* Wrap mutable [Config], using it as inner storage (changes to [Specification] are reflected on [Config]
*/
public fun wrap(config: Config, defaultProvider: ItemProvider = ItemProvider.EMPTY): T =
read(config as Meta, defaultProvider)
/**
* Generate an empty object
*/
public fun empty(): T = read(Meta.EMPTY)
/**
* A convenience method to use specifications in builders
*/
public operator fun invoke(action: T.() -> Unit): T = empty().apply(action)
}
public fun <T : MutableItemProvider> Specification<T>.empty(): T = wrap(Config())
public inline operator fun <T : MutableItemProvider> Specification<T>.invoke(action: T.() -> Unit): T = empty().apply(action)
/**
* Update given configuration using given type as a builder
*/
public fun <T : MutableItemProvider> Specification<T>.update(meta: Meta, action: T.() -> Unit): T = wrap(meta).apply(action)
public fun <T : MutableItemProvider> Specification<T>.update(meta: Meta, action: T.() -> Unit): T =
read(meta).apply(action)
/**
* Create a read-only version of
*/
public fun <T : MutableItemProvider> Specification<T>.wrap(source: Meta): T {
val default = source.seal()
return wrap(source.asConfig(), default)
}
/**
* Apply specified configuration to configurable
@ -44,7 +50,10 @@ public fun <T : MetaRepr, C : MutableItemProvider, S : Specification<C>> T.confi
/**
* Update configuration using given specification
*/
public fun <C : MutableItemProvider, S : Specification<C>> Configurable.update(spec: S, action: C.() -> Unit): Configurable =
public fun <C : MutableItemProvider, S : Specification<C>> Configurable.update(
spec: S,
action: C.() -> Unit,
): Configurable =
apply { spec.update(config, action) }
/**
@ -63,11 +72,11 @@ public fun <T : MutableItemProvider> MetaItem<*>.spec(spec: Specification<T>): T
public fun <T : MutableItemProvider> MetaItem<Config>.spec(spec: Specification<T>): T? = node?.let { spec.wrap(it) }
public fun <T : Scheme> MutableItemProvider.spec(
spec: Specification<T>, key: Name? = null
spec: Specification<T>, key: Name? = null,
): ReadWriteProperty<Any?, T?> = object : ReadWriteProperty<Any?, T?> {
override fun getValue(thisRef: Any?, property: KProperty<*>): T? {
val name = key ?: property.name.asName()
return getItem(name).node?.let { spec.wrap(it) }
return getItem(name).node?.let { spec.read(it) }
}
override fun setValue(thisRef: Any?, property: KProperty<*>, value: T?) {
@ -79,11 +88,11 @@ public fun <T : Scheme> MutableItemProvider.spec(
public fun <T : Scheme> MutableItemProvider.spec(
spec: Specification<T>,
default: T,
key: Name? = null
key: Name? = null,
): ReadWriteProperty<Any?, T> = object : ReadWriteProperty<Any?, T> {
override fun getValue(thisRef: Any?, property: KProperty<*>): T {
val name = key ?: property.name.asName()
return getItem(name).node?.let { spec.wrap(it) } ?: default
return getItem(name).node?.let { spec.read(it) } ?: default
}
override fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {

10
dataforge-meta/src/commonTest/kotlin/hep/dataforge/meta/SpecificationTest.kt
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@ -4,13 +4,15 @@ import kotlin.test.Test
import kotlin.test.assertEquals
class SpecificationTest {
class TestStyled(config: Config, defaultProvider: ItemProvider) :
Scheme(config, defaultProvider) {
class TestStyled : Scheme() {
var list by numberList(1, 2, 3)
companion object : Specification<TestStyled> {
override fun wrap(meta: Meta, defaultProvider: ItemProvider): TestStyled =
TestStyled(meta.asConfig(), defaultProvider)
override fun read(meta: Meta, defaultProvider: ItemProvider): TestStyled =
TestStyled().apply {
this.config = meta.asConfig()
}
}
}