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org.apache.hadoop.hbase.unsafe.HBaseUnsafeInternal Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.unsafe;
import java.lang.reflect.Field;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.ProtectionDomain;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sun.misc.Unsafe;
/**
* Delegate all the method in sun.misc.Unsafe.
*/
@SuppressWarnings("restriction")
final class HBaseUnsafeInternal {
private static final Logger LOG = LoggerFactory.getLogger(HBaseUnsafeInternal.class);
private static final Unsafe UNSAFE;
static {
UNSAFE = (Unsafe) AccessController.doPrivileged(new PrivilegedAction() {
@Override
public Object run() {
try {
Field f = Unsafe.class.getDeclaredField("theUnsafe");
f.setAccessible(true);
return f.get(null);
} catch (Throwable e) {
LOG.warn("sun.misc.Unsafe is not accessible", e);
}
return null;
}
});
}
private HBaseUnsafeInternal() {
}
public static int getInt(Object o, long offset) {
return UNSAFE.getInt(o, offset);
}
public static void putInt(Object o, long offset, int x) {
UNSAFE.putInt(o, offset, x);
}
public static Object getObject(Object o, long offset) {
return UNSAFE.getObject(o, offset);
}
public static void putObject(Object o, long offset, Object x) {
UNSAFE.putObject(o, offset, x);
}
public static boolean getBoolean(Object o, long offset) {
return UNSAFE.getBoolean(o, offset);
}
public static void putBoolean(Object o, long offset, boolean x) {
UNSAFE.putBoolean(o, offset, x);
}
public static byte getByte(Object o, long offset) {
return UNSAFE.getByte(o, offset);
}
public static void putByte(Object o, long offset, byte x) {
UNSAFE.putByte(o, offset, x);
}
public static short getShort(Object o, long offset) {
return UNSAFE.getShort(o, offset);
}
public static void putShort(Object o, long offset, short x) {
UNSAFE.putShort(o, offset, x);
}
public static char getChar(Object o, long offset) {
return UNSAFE.getChar(o, offset);
}
public static void putChar(Object o, long offset, char x) {
UNSAFE.putChar(o, offset, x);
}
public static long getLong(Object o, long offset) {
return UNSAFE.getLong(o, offset);
}
public static void putLong(Object o, long offset, long x) {
UNSAFE.putLong(o, offset, x);
}
public static float getFloat(Object o, long offset) {
return UNSAFE.getFloat(o, offset);
}
public static void putFloat(Object o, long offset, float x) {
UNSAFE.putFloat(o, offset, x);
}
public static double getDouble(Object o, long offset) {
return UNSAFE.getDouble(o, offset);
}
public static void putDouble(Object o, long offset, double x) {
UNSAFE.putDouble(o, offset, x);
}
public static byte getByte(long address) {
return UNSAFE.getByte(address);
}
public static void putByte(long address, byte x) {
UNSAFE.putByte(address, x);
}
public static short getShort(long address) {
return UNSAFE.getShort(address);
}
public static void putShort(long address, short x) {
UNSAFE.putShort(address, x);
}
public static char getChar(long address) {
return UNSAFE.getChar(address);
}
public static void putChar(long address, char x) {
UNSAFE.putChar(address, x);
}
public static int getInt(long address) {
return UNSAFE.getInt(address);
}
public static void putInt(long address, int x) {
UNSAFE.putInt(address, x);
}
public static long getLong(long address) {
return UNSAFE.getLong(address);
}
public static void putLong(long address, long x) {
UNSAFE.putLong(address, x);
}
public static float getFloat(long address) {
return UNSAFE.getFloat(address);
}
public static void putFloat(long address, float x) {
UNSAFE.putFloat(address, x);
}
public static double getDouble(long address) {
return UNSAFE.getDouble(address);
}
public static void putDouble(long address, double x) {
UNSAFE.putDouble(address, x);
}
public static long getAddress(long address) {
return UNSAFE.getAddress(address);
}
public static void putAddress(long address, long x) {
UNSAFE.putAddress(address, x);
}
public static long allocateMemory(long bytes) {
return UNSAFE.allocateMemory(bytes);
}
public static long reallocateMemory(long address, long bytes) {
return UNSAFE.reallocateMemory(address, bytes);
}
public static void setMemory(Object o, long offset, long bytes, byte value) {
UNSAFE.setMemory(o, offset, bytes, value);
}
public static void setMemory(long address, long bytes, byte value) {
UNSAFE.setMemory(address, bytes, value);
}
public static void copyMemory(Object srcBase, long srcOffset, Object destBase, long destOffset,
long bytes) {
UNSAFE.copyMemory(srcBase, srcOffset, destBase, destOffset, bytes);
}
public static void copyMemory(long srcAddress, long destAddress, long bytes) {
UNSAFE.copyMemory(srcAddress, destAddress, bytes);
}
public static void freeMemory(long address) {
UNSAFE.freeMemory(address);
}
public static long staticFieldOffset(Field f) {
return UNSAFE.staticFieldOffset(f);
}
public static long objectFieldOffset(Field f) {
return UNSAFE.objectFieldOffset(f);
}
public static Object staticFieldBase(Field f) {
return UNSAFE.staticFieldBase(f);
}
public static boolean shouldBeInitialized(Class c) {
return UNSAFE.shouldBeInitialized(c);
}
public static void ensureClassInitialized(Class c) {
UNSAFE.ensureClassInitialized(c);
}
public static int arrayBaseOffset(Class arrayClass) {
return UNSAFE.arrayBaseOffset(arrayClass);
}
public static int arrayIndexScale(Class arrayClass) {
return UNSAFE.arrayIndexScale(arrayClass);
}
public static int addressSize() {
return UNSAFE.addressSize();
}
public static int pageSize() {
return UNSAFE.pageSize();
}
public static Class defineClass(String name, byte[] b, int off, int len, ClassLoader loader,
ProtectionDomain protectionDomain) {
return UNSAFE.defineClass(name, b, off, len, loader, protectionDomain);
}
public static Class defineAnonymousClass(Class hostClass, byte[] data, Object[] cpPatches) {
return UNSAFE.defineAnonymousClass(hostClass, data, cpPatches);
}
public static Object allocateInstance(Class cls) throws InstantiationException {
return UNSAFE.allocateInstance(cls);
}
public static void throwException(Throwable ee) {
UNSAFE.throwException(ee);
}
public static boolean compareAndSwapObject(Object o, long offset, Object expected, Object x) {
return UNSAFE.compareAndSwapObject(o, offset, expected, x);
}
public static boolean compareAndSwapInt(Object o, long offset, int expected, int x) {
return UNSAFE.compareAndSwapInt(o, offset, expected, x);
}
public static boolean compareAndSwapLong(Object o, long offset, long expected, long x) {
return UNSAFE.compareAndSwapLong(o, offset, expected, x);
}
public static Object getObjectVolatile(Object o, long offset) {
return UNSAFE.getObjectVolatile(o, offset);
}
public static void putObjectVolatile(Object o, long offset, Object x) {
UNSAFE.putObjectVolatile(o, offset, x);
}
public static int getIntVolatile(Object o, long offset) {
return UNSAFE.getIntVolatile(o, offset);
}
public static void putIntVolatile(Object o, long offset, int x) {
UNSAFE.putIntVolatile(o, offset, x);
}
public static boolean getBooleanVolatile(Object o, long offset) {
return UNSAFE.getBooleanVolatile(o, offset);
}
public static void putBooleanVolatile(Object o, long offset, boolean x) {
UNSAFE.putBooleanVolatile(o, offset, x);
}
public static byte getByteVolatile(Object o, long offset) {
return UNSAFE.getByteVolatile(o, offset);
}
public static void putByteVolatile(Object o, long offset, byte x) {
UNSAFE.putByteVolatile(o, offset, x);
}
public static short getShortVolatile(Object o, long offset) {
return UNSAFE.getShortVolatile(o, offset);
}
public static void putShortVolatile(Object o, long offset, short x) {
UNSAFE.putShortVolatile(o, offset, x);
}
public static char getCharVolatile(Object o, long offset) {
return UNSAFE.getCharVolatile(o, offset);
}
public static void putCharVolatile(Object o, long offset, char x) {
UNSAFE.putCharVolatile(o, offset, x);
}
public static long getLongVolatile(Object o, long offset) {
return UNSAFE.getLongVolatile(o, offset);
}
public static void putLongVolatile(Object o, long offset, long x) {
UNSAFE.putLongVolatile(o, offset, x);
}
public static float getFloatVolatile(Object o, long offset) {
return UNSAFE.getFloatVolatile(o, offset);
}
public static void putFloatVolatile(Object o, long offset, float x) {
UNSAFE.putFloatVolatile(o, offset, x);
}
public static double getDoubleVolatile(Object o, long offset) {
return UNSAFE.getDoubleVolatile(o, offset);
}
public static void putDoubleVolatile(Object o, long offset, double x) {
UNSAFE.putDoubleVolatile(o, offset, x);
}
public static void putOrderedObject(Object o, long offset, Object x) {
UNSAFE.putOrderedObject(o, offset, x);
}
public static void putOrderedInt(Object o, long offset, int x) {
UNSAFE.putOrderedInt(o, offset, x);
}
public static void putOrderedLong(Object o, long offset, long x) {
UNSAFE.putOrderedLong(o, offset, x);
}
public static void unpark(Object thread) {
UNSAFE.unpark(thread);
}
public static void park(boolean isAbsolute, long time) {
UNSAFE.park(isAbsolute, time);
}
public static int getLoadAverage(double[] loadavg, int nelems) {
return UNSAFE.getLoadAverage(loadavg, nelems);
}
public static int getAndAddInt(Object o, long offset, int delta) {
return UNSAFE.getAndAddInt(o, offset, delta);
}
public static long getAndAddLong(Object o, long offset, long delta) {
return UNSAFE.getAndAddLong(o, offset, delta);
}
public static int getAndSetInt(Object o, long offset, int newValue) {
return UNSAFE.getAndSetInt(o, offset, newValue);
}
public static long getAndSetLong(Object o, long offset, long newValue) {
return UNSAFE.getAndSetLong(o, offset, newValue);
}
public static Object getAndSetObject(Object o, long offset, Object newValue) {
return UNSAFE.getAndSetObject(o, offset, newValue);
}
public static void loadFence() {
UNSAFE.loadFence();
}
public static void storeFence() {
UNSAFE.storeFence();
}
public static void fullFence() {
UNSAFE.fullFence();
}
}
