release/src/router/mysql/storage/ndb/include/kernel/signaldata/TrigAttrInfo.hpp

   1 /* Copyright (c) 2003, 2005 MySQL AB
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */
  15
  16 #ifndef TRIG_ATTRINFO_HPP
  17 #define TRIG_ATTRINFO_HPP
  18
  19 #include "SignalData.hpp"
  20 #include <NodeBitmask.hpp>
  21 #include <trigger_definitions.h>
  22 #include <string.h>
  23
  24 /**
  25  * TrigAttrInfo
  26  *
  27  * This signal is sent by TUP to signal
  28  * that a trigger has fired
  29  */
  30 class TrigAttrInfo {
  31   /**
  32    * Sender(s)
  33    */
  34   // API
  35
  36   /**
  37    * Sender(s) / Reciver(s)
  38    */
  39   friend class Dbtup;
  40
  41   /**
  42    * Reciver(s)
  43    */
  44   friend class Dbtc;
  45   friend class Backup;
  46   friend class SumaParticipant;
  47
  48   /**
  49    * For printing
  50    */
  51   friend bool printTRIG_ATTRINFO(FILE * output, const Uint32 * theData, Uint32 len, Uint16 receiverBlockNo);
  52
  53 public:
  54 enum AttrInfoType {
  55   PRIMARY_KEY = 0,
  56   BEFORE_VALUES = 1,
  57   AFTER_VALUES = 2
  58 };
  59
  60   STATIC_CONST( DataLength = 22 );
  61   STATIC_CONST( StaticLength = 3 );
  62
  63 private:
  64   Uint32 m_connectionPtr;
  65   Uint32 m_trigId;
  66   Uint32 m_type;
  67   Uint32 m_data[DataLength];
  68
  69   // Public methods
  70 public:
  71   Uint32 getConnectionPtr() const;
  72   void setConnectionPtr(Uint32);
  73   AttrInfoType getAttrInfoType() const;
  74   void setAttrInfoType(AttrInfoType anAttrType);
  75   Uint32 getTriggerId() const;
  76   void setTriggerId(Uint32 aTriggerId);
  77   Uint32 getTransactionId1() const;
  78   void setTransactionId1(Uint32 aTransId);
  79   Uint32 getTransactionId2() const;
  80   void setTransactionId2(Uint32 aTransId);
  81   Uint32* getData() const;
  82   int setData(Uint32* aDataBuf, Uint32 aDataLen);
  83 };
  84
  85 inline
  86 Uint32 TrigAttrInfo::getConnectionPtr() const
  87 {
  88   return m_connectionPtr;
  89 }
  90
  91 inline
  92 void TrigAttrInfo::setConnectionPtr(Uint32 aConnectionPtr)
  93 {
  94   m_connectionPtr = aConnectionPtr;
  95 }
  96
  97 inline
  98 TrigAttrInfo::AttrInfoType TrigAttrInfo::getAttrInfoType() const
  99 {
 100   return  (TrigAttrInfo::AttrInfoType) m_type;
 101 }
 102
 103 inline
 104 void TrigAttrInfo::setAttrInfoType(TrigAttrInfo::AttrInfoType anAttrType)
 105 {
 106   m_type = (Uint32) anAttrType;
 107 }
 108
 109 inline
 110 Uint32 TrigAttrInfo::getTriggerId() const
 111 {
 112   return m_trigId;
 113 }
 114
 115 inline
 116 void TrigAttrInfo::setTriggerId(Uint32 aTriggerId)
 117 {
 118   m_trigId = aTriggerId;
 119 }
 120
 121 inline
 122 Uint32* TrigAttrInfo::getData() const
 123 {
 124   return (Uint32*)&m_data[0];
 125 }
 126
 127 inline
 128 int TrigAttrInfo::setData(Uint32* aDataBuf, Uint32 aDataLen)
 129 {
 130   if (aDataLen > DataLength)
 131     return -1;
 132   memcpy(m_data, aDataBuf, aDataLen*sizeof(Uint32));
 133
 134   return 0;
 135 }
 136
 137 #endif