Java ByteBuffer Get getTempByteBuffer()

Description

get Temp Byte Buffer

License

Apache License

Declaration

private static synchronized ByteBuffer getTempByteBuffer() 

Method Source Code

//package com.java2s;
/*/*from  ww  w.  ja v a  2  s. c o  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 {
    public final static int BUFFER_LEN = 4 * 1024;
    private static ByteBuffer _cacheByteBuffer = ByteBuffer.allocate(BUFFER_LEN);
    private static boolean _cacheByteBufferInUse = false;

    private static synchronized ByteBuffer getTempByteBuffer() {
        // Try using cached buffer
        synchronized (_cacheByteBuffer) {
            if (!_cacheByteBufferInUse) {
                _cacheByteBufferInUse = true;
                return _cacheByteBuffer;
            }
        }

        // Cache buffer in use, create new buffer
        return ByteBuffer.allocate(BUFFER_LEN);
    }
}

Related

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2. getSmart(ByteBuffer buf)
3. getSmartOld(ByteBuffer in)
4. getSurrogateKey(byte[] data, ByteBuffer buffer)
5. getTableUuid(ByteBuffer rowKey)
6. getTerminatedArray(ByteBuffer buf)
7. getTriByte(ByteBuffer buf)
8. getTruncatedInt(ByteBuffer bytes, int numBytes)
9. getTsStartSyncByte(ByteBuffer packet, boolean synced)