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Invoke mechanism for defining specific and fix to attach config child

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This commit is contained in:
Alexander Nozik 2019-12-28 21:24:16 +03:00
parent 1b879eccc7
commit 736ec621b0
1 changed files with 12 additions and 1 deletions
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13
dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Specific.kt
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@ -15,6 +15,13 @@ interface Specific : Configurable
operator fun Specific.get(name: String): MetaItem<*>? = config[name] operator fun Specific.get(name: String): MetaItem<*>? = config[name]
/**
* Editor for specific objects
*/
inline operator fun <S : Specific> S.invoke(block: S.() -> Unit): Unit {
run(block)
}
/** /**
* Allows to apply custom configuration in a type safe way to simple untyped configuration. * Allows to apply custom configuration in a type safe way to simple untyped configuration.
* By convention [Specific] companion should inherit this class * By convention [Specific] companion should inherit this class
@ -69,8 +76,12 @@ class SpecDelegate<T : Specific, S : Specification<T>>(
val spec: S, val spec: S,
val key: Name? = null val key: Name? = null
) : ReadWriteProperty<Any?, T> { ) : ReadWriteProperty<Any?, T> {
override fun getValue(thisRef: Any?, property: KProperty<*>): T { override fun getValue(thisRef: Any?, property: KProperty<*>): T {
return target.config[key ?: property.name.asName()]?.node?.let { spec.wrap(it) } ?: spec.empty() val name = key ?: property.name.asName()
return target.config[name]?.node?.let { spec.wrap(it) } ?: (spec.empty().also {
target.config[name] = it.config
})
} }
override fun setValue(thisRef: Any?, property: KProperty<*>, value: T) { override fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {