Java ByteBuffer Get getSurrogateKey(byte[] data, ByteBuffer buffer)

Description

Below method will be used to get the surrogate key

License

Apache License

Parameter

Parameter	Description
data	actual data
buffer	byte buffer which will be used to convert the data to integer value

Return

surrogate key

Declaration

public static int getSurrogateKey(byte[] data, ByteBuffer buffer) 

Method Source Code

//package com.java2s;
/*/* www.j a va 2s  . co m*/
 * 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.
 */

import java.nio.ByteBuffer;

public class Main {
    /**
     * Below method will be used to get the surrogate key
     *
     * @param data   actual data
     * @param buffer byte buffer which will be used to convert the data to integer value
     * @return surrogate key
     */
    public static int getSurrogateKey(byte[] data, ByteBuffer buffer) {
        int lenght = 4 - data.length;
        for (int i = 0; i < lenght; i++) {
            buffer.put((byte) 0);
        }
        buffer.put(data);
        buffer.rewind();
        int surrogate = buffer.getInt();
        buffer.clear();
        return surrogate;
    }
}

Related

1. getSize(int size, ByteBuffer buffer)
2. getSizePrefix(ByteBuffer bb)
3. getSmallSmartInt(ByteBuffer buffer)
4. getSmart(ByteBuffer buf)
5. getSmartOld(ByteBuffer in)
6. getTableUuid(ByteBuffer rowKey)
7. getTempByteBuffer()
8. getTerminatedArray(ByteBuffer buf)
9. getTriByte(ByteBuffer buf)