| /* |
| * 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.ignite.internal.util; |
| |
| import java.lang.reflect.Method; |
| import java.nio.ByteBuffer; |
| import sun.misc.Unsafe; |
| |
| /** |
| * {@link DirectBufferCleaner} implementation based on {@code Unsafe.invokeCleaner} method. |
| * |
| * Note: This implementation will work only for Java 9+. |
| */ |
| public class UnsafeDirectBufferCleaner implements DirectBufferCleaner { |
| /** Cleaner method. */ |
| private final Method cleanerMtd; |
| |
| /** */ |
| public UnsafeDirectBufferCleaner() { |
| try { |
| cleanerMtd = Unsafe.class.getMethod("invokeCleaner", ByteBuffer.class); |
| } |
| catch (NoSuchMethodException e) { |
| throw new RuntimeException("Reflection failure: no sun.misc.Unsafe.invokeCleaner() method found", e); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void clean(ByteBuffer buf) { |
| GridUnsafe.invoke(cleanerMtd, buf); |
| } |
| } |