completed PrimitiveList implementation

2023-04-18 23:03:05 +02:00
parent 6c5b1b899e
commit 2a7da78acb
17 changed files with 1622 additions and 1465 deletions
@@ -0,0 +1,30 @@
+package dev.asdf00.general.utils.list.internal;
+
+import java.lang.reflect.Field;
+
+public class ListReader {
+    public static int getSize(AbstractBaseList list) {
+        return list.size;
+    }
+
+    public static int getModCnt(AbstractBaseList list) {
+        return list.modCnt;
+    }
+
+    public static int getLength(AbstractBaseList list) {
+        try {
+            Class<?> cls = list.getClass();
+            Field data = cls.getDeclaredField("data");
+            if (!data.canAccess(list)) {
+                data.setAccessible(true);
+            }
+            Object array = data.get(list);
+            if (array == null) {
+                throw new NullPointerException();
+            }
+            return AbstractBaseList.UNSAFE.getInt(array, AbstractBaseList.OFFSET_LEN);
+        } catch (NoSuchFieldException | IllegalAccessException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}