完全初期化時の呼び出しのラッパーを追加

Author: k163377

src/main/kotlin/com/mapk/core/internal/FullInitializedFunctionWrapper.kt

@@ -0,0 +1,29 @@
+package com.mapk.core.internal
+
+import kotlin.reflect.KFunction
+import kotlin.reflect.jvm.javaConstructor
+import kotlin.reflect.jvm.javaMethod
+
+internal class FullInitializedFunctionWrapper<T>(function: KFunction<T>, instance: Any?, paramSize: Int) {
+    private val lambda: (Array<Any?>) -> T
+
+    init {
+        val constructor = function.javaConstructor
+
+        lambda = when {
+            constructor != null -> {
+                { constructor.newInstance(*it) }
+            }
+            instance != null -> {
+                val method = function.javaMethod!!
+
+                @Suppress("UNCHECKED_CAST") { method.invoke(it[0], *(it.copyOfRange(1, paramSize))) as T }
+            }
+            else -> {
+                { function.call(*it) }
+            }
+        }
+    }
+
+    fun call(args: Array<Any?>): T = lambda(args)
+}