Java ByteBuffer Read assertReadyForFreshRead(ByteBuffer b)

Description

Ensure that a buffer is prepared for reading from the beginning.

License

Open Source License

Parameter

Parameter	Description
b	The buffer to check.

Declaration

static void assertReadyForFreshRead(ByteBuffer b) 

Method Source Code

//package com.java2s;
/*************************************************************************
*                                                                        *
*  This file is part of the 20n/act project.                             *
*  20n/act enables DNA prediction for synthetic biology/bioengineering.  *
*  Copyright (C) 2017 20n Labs, Inc.                                     *
*                                                                        *
*  Please direct all queries to act@20n.com.                             *
*                                                                        *
*  This program is free software: you can redistribute it and/or modify  *
*  it under the terms of the GNU General Public License as published by  *
*  the Free Software Foundation, either version 3 of the License, or     *
*  (at your option) any later version.                                   *
*                                                                        *
*  This program is distributed in the hope that it will be useful,       *
*  but WITHOUT ANY WARRANTY; without even the implied warranty of        *
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
*  GNU General Public License for more details.                          *
*                                                                        *
*  You should have received a copy of the GNU General Public License     *
*  along with this program.  If not, see <http://www.gnu.org/licenses/>. *
*                                                                        *
*************************************************************************/

import java.nio.ByteBuffer;

public class Main {
    /**//w  w  w .  j a  v a2s. c  o m
     * Ensure that a buffer is prepared for reading from the beginning.
     * @param b The buffer to check.
     */
    static void assertReadyForFreshRead(ByteBuffer b) {
        assert (b.limit() != 0); // A zero limit would cause an immediate buffer underflow.
        assert (b.position() == 0); // A non-zero position means either the buffer hasn't been flipped or has been read from.
    }
}

Related

1. c_read(Channel fd, ByteBuffer buffer, int count)
2. checkNotReadOnly(ByteBuffer buffer)
3. contentOfUnreadBuffer(final ByteBuffer buffer)
4. enlargeThreadLocalByteBuffer()