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authorLinnea Gräf <nea@nea.moe>2024-12-15 19:31:46 +0100
committerLinnea Gräf <nea@nea.moe>2024-12-15 19:31:46 +0100
commita2f73de90fb9c9d0ea7a5e7e9e6b9e445a8094ee (patch)
tree4b612c6451c695822885c29e9f497e2826dc3bbd /src/main/kotlin/moe/nea/ledger/utils/DI.kt
parent0a4cf1fbcc897462f31aaadc5c868d12d13e1abb (diff)
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refactor: Move DI to its own package
Diffstat (limited to 'src/main/kotlin/moe/nea/ledger/utils/DI.kt')
-rw-r--r--src/main/kotlin/moe/nea/ledger/utils/DI.kt68
1 files changed, 0 insertions, 68 deletions
diff --git a/src/main/kotlin/moe/nea/ledger/utils/DI.kt b/src/main/kotlin/moe/nea/ledger/utils/DI.kt
deleted file mode 100644
index e998c65..0000000
--- a/src/main/kotlin/moe/nea/ledger/utils/DI.kt
+++ /dev/null
@@ -1,68 +0,0 @@
-package moe.nea.ledger.utils
-
-import java.lang.reflect.AnnotatedElement
-import java.util.Collections
-import java.util.Stack
-
-@Suppress("UNCHECKED_CAST")
-class DI {
- private fun <T : Any, C> internalProvide(type: Class<T>, element: AnnotatedElement? = null): T {
- val provider = providers[type] as BaseDIProvider<T, C>
- val context = if (element == null) provider.createEmptyContext() else provider.createContext(element)
- val key = Pair(type, context)
- val existingValue = values[key]
- if (existingValue != null) return existingValue as T
- if (type in injectionStack) {
- error("Found injection cycle: ${injectionStack.joinToString(" -> ")} -> $type")
- }
- injectionStack.push(type)
- val value = try {
- provider.provideWithContext(this, context)
- } catch (ex: Exception) {
- throw RuntimeException("Could not create instance for type $type", ex)
- }
- val cycleCheckCookie = injectionStack.pop()
- require(cycleCheckCookie == type) { "Unbalanced stack cookie: $cycleCheckCookie != $type" }
- values[key] = value
- return value
- }
-
- fun <T : Any> provide(type: Class<T>, element: AnnotatedElement? = null): T {
- return internalProvide<T, Any>(type, element)
- }
-
- inline fun <reified T : Any> provide(): T = provide(T::class.java)
-
- fun <T : Any> register(type: Class<T>, provider: BaseDIProvider<T, *>) {
- providers[type] = provider
- }
-
- fun registerInjectableClasses(vararg type: Class<*>) {
- type.forEach { internalRegisterInjectableClass(it) }
- }
-
- private fun <T : Any> internalRegisterInjectableClass(type: Class<T>) {
- register(type, DIProvider.fromInjectableClass(type))
- }
-
- fun instantiateAll() {
- providers.keys.forEach {
- provide(it, null)
- }
- }
-
- fun getAllInstances(): Collection<Any> =
- Collections.unmodifiableCollection(values.values)
-
- fun <T : Any> registerSingleton(value: T) {
- register(value.javaClass, DIProvider.singeleton(value))
- }
-
- private val injectionStack: Stack<Class<*>> = Stack()
- private val values = mutableMapOf<Pair<Class<*>, *>, Any>()
- private val providers = mutableMapOf<Class<*>, BaseDIProvider<*, *>>()
-
- init {
- registerSingleton(this)
- }
-} \ No newline at end of file