ndbt_datasettransaction.hpp

来自「mysql-5.0.22.tar.gz源码包」· HPP 代码 · 共 163 行

/* Copyright (C) 2003 MySQL AB

   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
   (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, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#ifndef NDBT_DATA_SET_TRANSACTION_HPP
#define NDBT_DATA_SET_TRANSACTION_HPP

#include "NDBT_Table.hpp"
#include <NdbApi.hpp>

class NDBT_DataSet;

/**
 * This class contains a bunch a methods
 * that operates on NDB together with a NDBT_DataSet
 * using <b>one</b> transaction
 */
class NDBT_DataSetTransaction {
public:
  /**
   * Store the data into ndb
   */
  static void insert(Ndb * theNdbObject,
		     const NDBT_DataSet *,
		     bool rollback = false);
  
  /**
   * Read data (using pk) from ndb
   */
  static void readByPk(Ndb * theNdbObject,
		       NDBT_DataSet *,
		       bool rollback = false);
  
  /**
   * Update data using pk
   *
   */
  static void updateByPk(Ndb * theNdbObject,
			 const NDBT_DataSet *,
			 bool rollback = false);

  /**
   * Delete 
   */
  static void deleteByPk(Ndb * theNdbObject,
			 const NDBT_DataSet *,
			 bool rollback = false);
};

class NDBT_DataSetAsyncTransaction {
public:
  enum OperationType {
    OT_Insert,
    OT_ReadByPk,
    OT_UpdateByPk,
    OT_DeleteByPk
  };

  /**
   * A callback for the NDBT_DataSetAsyncTransaction 
   * interface.
   *
   * The callback method returns:
   * - the operation performed
   * - the data set
   * - if the transaction was commited or aborted
   */
  typedef (* NDBT_DataSetAsyncTransactionCallback)(OperationType,
						   const NDBT_DataSet *,
						   bool commit,
						   void * anyObject);
  /**
   * Store the data into ndb
   */
  static void insert(Ndb * theNdbObject,
		     const NDBT_DataSet *,
		     bool rollback = false,
		     NDBT_DataSetAsyncTransactionCallback fun,
		     void * anyObject);
  
  /**
   * Read data (using pk) from ndb
   */
  static void readByPk(Ndb * theNdbObject,
		       NDBT_DataSet *,
		       bool rollback = false,
		       NDBT_DataSetAsyncTransactionCallback fun,
		       void * anyObject);

  
  /**
   * Update data using pk
   *
   */
  static void updateByPk(Ndb * theNdbObject,
			 const NDBT_DataSet *,
			 bool rollback = false,
			 NDBT_DataSetAsyncTransactionCallback fun,
			 void * anyObject);


  /**
   * Delete 
   */
  static void deleteByPk(Ndb * theNdbObject,
			 const NDBT_DataSet *,
			 bool rollback = false,
			 NDBT_DataSetAsyncTransactionCallback fun,
			 void * anyObject);
  
};

class NDBT_DataSetBulkOperation {
public:
  /**
   * Store the data into ndb
   */
  static void insert(Ndb * theNdbObject,
		     const NDBT_DataSet *,
		     int parallellTransactions = 1,
		     int operationsPerTransaction = 10);
  
  /**
   * Read data (using pk) from ndb
   */
  static void readByPk(Ndb * theNdbObject,
		       NDBT_DataSet *,
		       int parallellTransactions = 1,
		       int operationsPerTransaction = 10);
  
  /**
   * Update data using pk
   *
   */
  static void updateByPk(Ndb * theNdbObject,
			 const NDBT_DataSet *,
			 int parallellTransactions = 1,
			 int operationsPerTransaction = 10);

  /**
   * Delete 
   */
  static void deleteByPk(Ndb * theNdbObject,
			 const NDBT_DataSet *,
			 int parallellTransactions = 1,
			 int operationsPerTransaction = 10);
};


#endif