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Utility methods to access Configurable properties

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This commit is contained in:
Alexander Nozik 2020-03-16 22:52:54 +03:00
parent bc8878da48
commit e835d81183
5 changed files with 55 additions and 37 deletions
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4
build.gradle.kts
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@ -1,12 +1,12 @@
plugins {
val toolsVersion = "0.4.0-dev"
val toolsVersion = "0.4.0"
id("scientifik.mpp") version toolsVersion apply false
id("scientifik.jvm") version toolsVersion apply false
id("scientifik.publish") version toolsVersion apply false
}
val dataforgeVersion by extra("0.1.5-dev-11")
val dataforgeVersion by extra("0.1.5")
val bintrayRepo by extra("dataforge")
val githubProject by extra("dataforge-core")

1
dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/descriptors/ItemDescriptor.kt
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@ -67,6 +67,7 @@ fun ItemDescriptor.validateItem(item: MetaItem<*>?): Boolean {
*
* @author Alexander Nozik
*/
@DFBuilder
class NodeDescriptor : ItemDescriptor() {
/**

17
dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/scheme/Configurable.kt
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@ -32,34 +32,37 @@ interface Configurable : Described {
}
override val descriptor: NodeDescriptor? get() = null
}
/**
* Get a property with default
*/
fun Configurable.getProperty(name: Name): MetaItem<*>? =
fun getProperty(name: Name): MetaItem<*>? =
config[name] ?: getDefaultItem(name) ?: descriptor?.get(name)?.defaultItem()
fun Configurable.getProperty(key: String) = getProperty(key.toName())
/**
* Set a configurable property
*/
fun Configurable.setProperty(name: Name, item: MetaItem<*>?) {
fun setProperty(name: Name, item: MetaItem<*>?) {
if (validateItem(name, item)) {
config[name] = item
} else {
error("Validation failed for property $name with value $item")
}
}
}
fun Configurable.setProperty(name: Name, value: Value) = setProperty(name, MetaItem.ValueItem(value))
fun Configurable.setProperty(name: Name, meta: Meta) = setProperty(name, MetaItem.NodeItem(meta))
fun Configurable.getProperty(key: String) = getProperty(key.toName())
fun Configurable.setProperty(name: Name, value: Value?) = setProperty(name, value?.let { MetaItem.ValueItem(value) })
fun Configurable.setProperty(name: Name, meta: Meta?) = setProperty(name, meta?.let { MetaItem.NodeItem(meta) })
fun Configurable.setProperty(key: String, item: MetaItem<*>?) {
setProperty(key.toName(), item)
}
fun Configurable.setProperty(key: String, value: Value?) = setProperty(key, value?.let { MetaItem.ValueItem(value) })
fun Configurable.setProperty(key: String, meta: Meta?) = setProperty(key, meta?.let { MetaItem.NodeItem(meta) })
fun <T : Configurable> T.configure(meta: Meta): T = this.apply { config.update(meta) }
inline fun <T : Configurable> T.configure(action: Config.() -> Unit): T = apply { config.apply(action) }

20
dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/scheme/ConfigurableDelegate.kt
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@ -206,8 +206,9 @@ fun Configurable.node(key: Name? = null): ReadWriteProperty<Any?, Meta?> = item(
writer = { it?.let { MetaItem.NodeItem(it) } }
)
fun <T : Configurable> Configurable.spec(spec: Specification<T>, key: Name? = null): ReadWriteProperty<Any?, T?> =
object : ReadWriteProperty<Any?, T?> {
fun <T : Configurable> Configurable.spec(
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 config[name].node?.let { spec.wrap(it) }
@ -217,6 +218,19 @@ fun <T : Configurable> Configurable.spec(spec: Specification<T>, key: Name? = nu
val name = key ?: property.name.asName()
config[name] = value?.config
}
}
fun <T : Configurable> Configurable.spec(
spec: Specification<T>, default: 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 config[name].node?.let { spec.wrap(it) }?:default
}
override fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {
val name = key ?: property.name.asName()
config[name] = value.config
}
}

8
dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/scheme/Scheme.kt
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@ -18,11 +18,10 @@ open class Scheme() : Configurable, Described, MetaRepr {
//constructor(config: Config, default: Meta) : this(config, { default[it] })
constructor(config: Config) : this(config, { null })
final override var config: Config =
Config()
final override var config: Config = Config()
internal set
lateinit var defaultProvider: (Name) -> MetaItem<*>?
var defaultProvider: (Name) -> MetaItem<*>? = { null }
internal set
final override var descriptor: NodeDescriptor? = null
@ -53,9 +52,10 @@ open class Scheme() : Configurable, Described, MetaRepr {
token to item
} ?: emptyMap()
}
}
inline operator fun <T : Scheme> T.invoke(block: T.() -> Unit) = apply(block)
/**
* A specification for simplified generation of wrappers
*/