/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *  * * * * * * * *
 * MeetiX OS By MeetiX OS Project [Marco Cicognani]                                    *
 *                                                                                     *
 *         DERIVED FROM THE GHOST OPERATING SYSTEM                                     *
 *         This software is derived from the Ghost operating system project,           *
 *         written by Max Schl√ºssel <lokoxe@gmail.com>. Copyright 2012-2017            *
 *         https://ghostkernel.org/                                                    *
 *         https://github.com/maxdev1/ghost                                            *
 *                                                                                     *
 * 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 2                      *
 * of the License, or (char *argumentat 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, write to the Free Software                         *
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA      *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *  * * * * * * */

#ifndef EVA_FILESYSTEM_TRANSACTION_HANDLER_GET_LENGTH
#define EVA_FILESYSTEM_TRANSACTION_HANDLER_GET_LENGTH

#include "filesystem/FsDescriptors.hpp"
#include "filesystem/FsNode.hpp"
#include "filesystem/FsTransactionHandler.hpp"
#include "memory/contextual.hpp"

/**
 *
 */
class FsTransactionHandlerGetLength : public FsTransactionHandler {
public:
    FsNode*        node;
    FsLengthStatus status = FS_LENGTH_ERROR;
    int64_t        length;

    /**
     *
     */
    FsTransactionHandlerGetLength(FsNode* node) : node(node), length(-1) {
    }

    /**
     *
     */
    virtual FsTransactionHandlerStartStatus startTransaction(Thread* thread);

    /**
     *
     */
    virtual FsTransactionHandlerFinishStatus finishTransaction(Thread*     thread,
                                                               FsDelegate* delegate);

    /**
     *
     */
    virtual void performAfterwork(Thread* thread) = 0;
};

#endif
