/*
 * 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.skywalking.oap.server.storage.plugin.banyandb.util;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

public class ByteUtil {
    private static final ThreadLocal<ByteBuf> BYTE_BUFFER = ThreadLocal.withInitial(() -> Unpooled.buffer(8));

    public static Double bytes2Double(byte[] bytes) {
        final ByteBuf buf = BYTE_BUFFER.get();
        try {
            return buf.writeBytes(bytes).readDouble();
        } finally {
            buf.clear();
        }
    }

    public static byte[] double2Bytes(double number) {
        final ByteBuf buf = BYTE_BUFFER.get();
        try {
            return buf.writeDouble(number).array();
        } finally {
            buf.clear();
        }
    }
}
