147 lines
5.0 KiB
C++
147 lines
5.0 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 Security input file that scales
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* with the database size.
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******************************************************************************/
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#ifndef SECURITY_FILE_H
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#define SECURITY_FILE_H
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#include <map>
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#include <cassert>
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#include "utilities/EGenStandardTypes.h"
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#include "DataFileTypes.h"
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#include "main/ExchangeIDs.h"
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namespace TPCE {
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class CSecurityFile {
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SecurityDataFile_t const *m_dataFile;
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// Total number of securities in the database.
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// Depends on the total number of customers.
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//
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TIdent m_iConfiguredSecurityCount;
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TIdent m_iActiveSecurityCount;
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// Number of base companies (=rows in Company.txt input file).
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//
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UINT m_iBaseCompanyCount;
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// Used to map a symbol to it's id value. To support logical const-ness
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// these are mutable since they don't change the "real" contents of the
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// Security File.
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mutable bool m_SymbolToIdMapIsLoaded;
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mutable std::map<std::string, TIdent> m_SymbolToIdMap;
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mutable std::map<char, int> m_LowerCaseLetterToIntMap;
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char m_SUFFIX_SEPARATOR;
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void CreateSuffix(TIdent Multiplier, char *pBuf, size_t BufSize) const;
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INT64 ParseSuffix(const char *pSymbol) const;
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public:
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// Constructor.
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//
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CSecurityFile(const SecurityDataFile_t &dataFile, TIdent iConfiguredCustomerCount, TIdent iActiveCustomerCount,
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UINT baseCompanyCount);
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// Calculate total security count for the specified number of customers.
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// Sort of a static method. Used in parallel generation of securities
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// related tables.
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//
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TIdent CalculateSecurityCount(TIdent iCustomerCount) const;
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// Calculate the first security id (0-based) for the specified customer id
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//
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TIdent CalculateStartFromSecurity(TIdent iStartFromCustomer) const;
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// Create security symbol with mod/div magic.
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//
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// This function is needed to scale unique security
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// symbols with the database size.
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//
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void CreateSymbol(TIdent iIndex, // row number
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char *szOutput, // output buffer
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size_t iOutputLen // size of the output buffer (including null)
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) const;
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// Return company id for the specified row of the SECURITY table.
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// Index can exceed the size of the Security flat file.
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//
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TIdent GetCompanyId(TIdent iIndex) const;
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TIdent GetCompanyIndex(TIdent Index) const;
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// Return the number of securities in the database for
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// a certain number of customers.
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//
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TIdent GetSize() const;
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// Return the number of securities in the database for
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// the configured number of customers.
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//
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TIdent GetConfiguredSecurityCount() const;
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// Return the number of securities in the database for
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// the active number of customers.
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//
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TIdent GetActiveSecurityCount() const;
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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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const SecurityDataFileRecord &GetRecord(TIdent index) const;
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// Load the symbol-to-id map
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// Logical const-ness - the maps and the is-loaded flag may change but the
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// "real" Security File data is unchanged.
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bool LoadSymbolToIdMap(void) const;
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TIdent GetId(char *pSymbol) const;
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TIdent GetIndex(char *pSymbol) const;
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eExchangeID GetExchangeIndex(TIdent index) const;
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};
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} // namespace TPCE
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#endif // SECURITY_FILE_H
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