182 lines
5.4 KiB
C++
182 lines
5.4 KiB
C++
/*
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* Legal Notice
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*
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* This document and associated source code (the "Work") is a part of a
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* benchmark specification maintained by the TPC.
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*
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* The TPC reserves all right, title, and interest to the Work as provided
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* under U.S. and international laws, including without limitation all patent
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* and trademark rights therein.
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*
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* No Warranty
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*
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* 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
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* CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
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* AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER
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* WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY,
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* INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
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* DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
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* PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF
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* WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE.
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* ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT,
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* QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT
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* WITH REGARD TO THE WORK.
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* 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO
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* ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE
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* COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS
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* OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT,
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* INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
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* OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
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* RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD
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* ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
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*
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* Contributors
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* - Sergey Vasilevskiy
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* - Doug Johnson
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*/
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/******************************************************************************
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* Description: Implementation of the Company input file that scales
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* with the database size.
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******************************************************************************/
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#ifndef COMPANY_FILE_H
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#define COMPANY_FILE_H
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#include "utilities/EGenStandardTypes.h"
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#include "DataFileTypes.h"
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namespace TPCE {
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class CCompanyFile {
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CompanyDataFile_t const *m_dataFile;
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// Configured and active number of companies in the database.
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// Depends on the configured and active number of customers.
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//
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TIdent m_iConfiguredCompanyCount;
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TIdent m_iActiveCompanyCount;
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public:
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/*
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* Constructor.
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*
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* PARAMETERS:
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* IN str - file name of the
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* CompanyCompetitor input flat file IN iConfiguredCustomerCount - total
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* configured number of customers in the database IN iActiveCustomerCount
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* - active number of customers in the database (provided for engineering
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* purposes)
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*
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* RETURNS:
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* not applicable.
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*/
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CCompanyFile(const CompanyDataFile_t &dataFile, TIdent iConfiguredCustomerCount, TIdent iActiveCustomerCount);
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/*
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* Calculate company count for the specified number of customers.
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* Sort of a static method. Used in parallel generation of company related
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* tables.
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*
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* PARAMETERS:
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* IN iCustomerCount - number of customers
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*
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* RETURNS:
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* number of company competitors.
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*/
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TIdent CalculateCompanyCount(TIdent iCustomerCount) const;
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/*
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* Calculate the first company id (0-based) for the specified customer id.
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*
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* PARAMETERS:
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* IN iStartFromCustomer - customer id
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*
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* RETURNS:
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* company competitor id.
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*/
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TIdent CalculateStartFromCompany(TIdent iStartFromCustomer) const;
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/*
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* Create company name with appended suffix based on the
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* load unit number.
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*
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* PARAMETERS:
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* IN iIndex - row number in the Company Competitor file
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* (0-based) IN szOutput - output buffer for company name IN iOutputLen
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* - size of the output buffer
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*
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* RETURNS:
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* none.
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*/
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void CreateName(TIdent iIndex, // row number
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char *szOutput, // output buffer
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size_t iOutputLen // size of the output buffer
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) const;
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/*
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* Return company id for the specified row.
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* Index can exceed the size of the Company input file.
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*
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* PARAMETERS:
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* IN iIndex - row number in the Company Competitor file
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* (0-based)
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*
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* RETURNS:
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* company id.
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*/
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TIdent GetCompanyId(TIdent iIndex) const;
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/*
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* Return the number of companies in the database for
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* the configured number of customers.
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*
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* PARAMETERS:
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* none.
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*
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* RETURNS:
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* number of rows in the file.
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*/
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TIdent GetSize() const;
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/*
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* Return the number of companies in the database for
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* the configured number of customers.
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*
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* PARAMETERS:
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* none.
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*
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* RETURNS:
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* configured company count.
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*/
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TIdent GetConfiguredCompanyCount() const;
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/*
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* Return the number of companies in the database for
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* the active number of customers.
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*
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* PARAMETERS:
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* none.
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*
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* RETURNS:
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* active company count.
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*/
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TIdent GetActiveCompanyCount() const;
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/*
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* Overload GetRecord to wrap around indices that
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* are larger than the flat file
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*
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* PARAMETERS:
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* IN iIndex - row number in the Company file (0-based)
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*
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* RETURNS:
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* reference to the row structure in the Company file.
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*/
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const CompanyDataFileRecord &GetRecord(TIdent index) const;
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};
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} // namespace TPCE
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#endif // COMPANY_FILE_H
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