org.jetbrains.kotlin.container.Dsl.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.container
import kotlin.reflect.KProperty
fun composeContainer(id: String, parent: StorageComponentContainer? = null, init: StorageComponentContainer.() -> Unit): StorageComponentContainer {
val c = StorageComponentContainer(id, parent)
c.init()
c.compose()
return c
}
inline fun StorageComponentContainer.useImpl() {
registerSingleton(T::class.java)
}
inline fun StorageComponentContainer.useImplIf(cond: Boolean) {
if (cond) useImpl()
}
inline fun ComponentProvider.get(): T {
return getService(T::class.java)
}
@Suppress("UNCHECKED_CAST")
fun ComponentProvider.tryGetService(request: Class): T? {
return resolve(request)?.getValue() as T?
}
fun ComponentProvider.getService(request: Class): T {
return tryGetService(request) ?: throw UnresolvedServiceException(this, request)
}
fun StorageComponentContainer.useInstance(instance: Any) {
registerInstance(instance)
}
fun StorageComponentContainer.useInstanceIfNotNull(instance: Any?) {
if (instance != null) registerInstance(instance)
}
fun StorageComponentContainer.useClashResolver(clashResolver: PlatformExtensionsClashResolver<*>) {
registerClashResolvers(listOf(clashResolver))
}
inline operator fun ComponentProvider.getValue(thisRef: Any?, desc: KProperty<*>): T {
return getService(T::class.java)
}
class UnresolvedServiceException(container: ComponentProvider, request: Class<*>) :
IllegalArgumentException("Unresolved service: $request in $container")