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Viewing changes to storage/ndb/include/kernel/signaldata/UtilDelete.hpp

  • Committer: Bazaar Package Importer
  • Author(s): Norbert Tretkowski
  • Date: 2010-03-17 14:56:02 UTC
  • Revision ID: james.westby@ubuntu.com-20100317145602-x7e30l1b2sb5s6w6
Tags: upstream-5.1.45
Import upstream version 5.1.45

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storage/ndb/include/kernel/signaldata/UtilDelete.hpp
 
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/* Copyright (C) 2003 MySQL AB
 
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   This program is free software; you can redistribute it and/or modify
 
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   it under the terms of the GNU General Public License as published by
 
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   the Free Software Foundation; version 2 of the License.
 
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   This program is distributed in the hope that it will be useful,
 
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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   GNU General Public License for more details.
 
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   You should have received a copy of the GNU General Public License
 
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   along with this program; if not, write to the Free Software
 
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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
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#ifndef UTIL_DELETE_HPP
 
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#define UTIL_DELETE_HPP
 
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#include "SignalData.hpp"
 
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#include <SimpleProperties.hpp>
 
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/**
 
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 * UTIL_DELETE_REQ, UTIL_DELETE_CONF, UTIL_DELETE_REF
 
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 */
 
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/**
 
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 * @class UtilDeleteReq
 
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 * @brief Delete transaction in Util block
 
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 *
 
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 * Data format:
 
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 * - UTIL_DELETE_REQ <prepareId> <ListOfAttributeHeaderValuePairs>
 
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 */
 
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class UtilDeleteReq {
 
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  /** Sender(s) / Receiver(s) */
 
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  friend class DbUtil;
 
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  /** For printing */
 
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  friend bool printUTIL_DELETE_REQ(FILE * output, const Uint32 * theData, 
 
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                                   Uint32 len, Uint16 receiverBlockNo);
 
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public:
 
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  STATIC_CONST( DataLength = 22 );
 
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  STATIC_CONST( HeaderLength = 3 );
 
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private:  
 
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  Uint32 senderData;
 
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  Uint32 prepareId;     // Which prepared transaction to execute
 
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  Uint32 totalDataLen;  // Total length of attrData (including AttributeHeaders
 
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                        // and possibly spanning over multiple signals)
 
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  /**
 
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   * Length in this = signal->length() - 3
 
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   * Sender block ref = signal->senderBlockRef()
 
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   */
 
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  Uint32 attrData[DataLength];
 
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};
 
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/**
 
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 * @class UtilDeleteConf
 
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 *
 
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 * Data format:
 
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 * - UTIL_PREPARE_CONF <UtilPrepareId> 
 
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 */
 
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class UtilDeleteConf {
 
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  /**
 
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   * Sender(s) / Receiver(s)
 
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   */
 
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  friend class DbUtil;
 
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  /**
 
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   * For printing
 
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   */
 
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  friend bool printUTIL_DELETE_CONF(FILE * output, 
 
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                                     const Uint32 * theData, 
 
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                                     Uint32 len, 
 
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                                     Uint16 receiverBlockNo);
 
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  STATIC_CONST( SignalLength = 1 );
 
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private:
 
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  Uint32 senderData;   ///< The client data provided by the client sending
 
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                       ///< UTIL_DELETE_REQ
 
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};
 
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/**
 
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 * @class UtilDeleteRef
 
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 *
 
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 * Data format:
 
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 * - UTIL_PREPARE_REF 
 
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 */
 
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class UtilDeleteRef {
 
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  /**
 
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   * Sender(s) / Receiver(s)
 
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   */
 
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  friend class DbUtil;
 
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  /**
 
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   * For printing
 
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   */
 
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  friend bool printUTIL_DELETE_REF(FILE * output, 
 
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                                    const Uint32 * theData, 
 
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                                    Uint32 len, 
 
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                                    Uint16 receiverBlockNo);
 
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  STATIC_CONST( SignalLength = 2 );
 
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private:
 
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  Uint32 senderData;
 
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  Uint32 errorCode;   ///< See UtilExecuteRef::errorCode
 
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  Uint32 TCErrorCode;
 
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};
 
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#endif