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/*
 * Copyright 2018 Qunar, Inc.
 *
 * Licensed 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 qunar.tc.qmq.delay.store.log;

import sun.misc.Cleaner;
import sun.nio.ch.DirectBuffer;

import java.nio.ByteBuffer;

/**
 * Created by zhaohui.yu
 * 12/30/18
 */
public class DirectBufCloser {
    public static void close(ByteBuffer buffer) {
        if (buffer == null || !buffer.isDirect() || buffer.capacity() == 0) {
            return;
        }

        try {
            final Cleaner cleaner = ((DirectBuffer) buffer).cleaner();
            cleaner.clean();
        } catch (Exception ignore) {

        }
    }
}