| /* |
| * 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.directmemory.lightning.internal.util; |
| |
| import java.lang.reflect.Field; |
| |
| @SuppressWarnings( "restriction" ) |
| public final class UnsafeUtil |
| { |
| |
| private static final sun.misc.Unsafe UNSAFE; |
| |
| static |
| { |
| sun.misc.Unsafe unsafe; |
| try |
| { |
| Field unsafeField = sun.misc.Unsafe.class.getDeclaredField( "theUnsafe" ); |
| unsafeField.setAccessible( true ); |
| unsafe = (sun.misc.Unsafe) unsafeField.get( null ); |
| } |
| catch ( Exception e ) |
| { |
| unsafe = null; |
| } |
| |
| UNSAFE = unsafe; |
| } |
| |
| private UnsafeUtil() |
| { |
| } |
| |
| public static sun.misc.Unsafe getUnsafe() |
| { |
| return UNSAFE; |
| } |
| } |