diff options
author | Linnea Gräf <nea@nea.moe> | 2024-12-15 19:31:46 +0100 |
---|---|---|
committer | Linnea Gräf <nea@nea.moe> | 2024-12-15 19:31:46 +0100 |
commit | a2f73de90fb9c9d0ea7a5e7e9e6b9e445a8094ee (patch) | |
tree | 4b612c6451c695822885c29e9f497e2826dc3bbd /src/main/kotlin/moe/nea/ledger/utils/DI.kt | |
parent | 0a4cf1fbcc897462f31aaadc5c868d12d13e1abb (diff) | |
download | LocalTransactionLedger-a2f73de90fb9c9d0ea7a5e7e9e6b9e445a8094ee.tar.gz LocalTransactionLedger-a2f73de90fb9c9d0ea7a5e7e9e6b9e445a8094ee.tar.bz2 LocalTransactionLedger-a2f73de90fb9c9d0ea7a5e7e9e6b9e445a8094ee.zip |
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.kt | 68 |
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 |