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package jdk.internal.reflect;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.security.AccessController;
import java.util.Set;

import jdk.internal.misc.Unsafe;

Base class for jdk.internal.misc.Unsafe-based FieldAccessors for static fields. The observation is that there are only nine types of fields from the standpoint of reflection code: the eight primitive types and Object. Using class Unsafe instead of generated bytecodes saves memory and loading time for the dynamically-generated FieldAccessors.
/** Base class for jdk.internal.misc.Unsafe-based FieldAccessors for static fields. The observation is that there are only nine types of fields from the standpoint of reflection code: the eight primitive types and Object. Using class Unsafe instead of generated bytecodes saves memory and loading time for the dynamically-generated FieldAccessors. */
abstract class UnsafeStaticFieldAccessorImpl extends UnsafeFieldAccessorImpl { static { Reflection.registerFieldsToFilter(UnsafeStaticFieldAccessorImpl.class, Set.of("base")); } protected final Object base; // base UnsafeStaticFieldAccessorImpl(Field field) { super(field); base = unsafe.staticFieldBase(field); } }