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33 * Contributors
34 * - Doug Johnson, Cecil Reames, Matt Emmerton
35 */
36
37/******************************************************************************
38 * Description: EGenDriverCE class to generate transaction types for
39 * execution
40 ******************************************************************************/
41
42#ifndef CE_TXN_MIX_GENERATOR_H
43#define CE_TXN_MIX_GENERATOR_H
44
45#include "utilities/EGenUtilities_stdafx.h"
46#include "DriverParamSettings.h"
47#include "EGenLogger.h"
48
49namespace TPCE {
50
51class CCETxnMixGenerator {
52private:
53 const PDriverCETxnSettings m_pDriverCETxnSettings;
54 CRandom m_rnd;
55 CBaseLogger *m_pLogger;
56
57 // Transaction mixes are expressed out of a total of 1000.
58 //
59 // NOTE that Trade-Result and Market-Feed are not generated by this class
60 // as possible runtime transaction types. They happen as an automatic
61 // by-product of Trade-Order transactions.
62
63 INT32 m_CETransactionMixTotal;
64
65 /*INT32 m_BrokerVolumeMixLimit;
66 INT32 m_CustomerPositionMixLimit;
67 INT32 m_MarketWatchMixLimit;
68 INT32 m_SecurityDetailMixLimit;
69 INT32 m_TradeLookupMixLimit;
70 INT32 m_TradeOrderMixLimit;
71 INT32 m_TradeStatusMixLimit;
72 INT32 m_TradeUpdateMixLimit;*/
73
74 // Array of transaction types used for "shuffle a deck of cards"
75 // algorithm (also known as Knuth shuffle).
76 //
77 INT32 m_iTxnArrayCurrentIndex;
78 char *m_pTxnArray;
79
80public:
81 static const INT32 INVALID_TRANSACTION_TYPE = -1;
82 static const INT32 SECURITY_DETAIL = 0;
83 static const INT32 BROKER_VOLUME = 1;
84 static const INT32 CUSTOMER_POSITION = 2;
85 static const INT32 MARKET_WATCH = 3;
86 static const INT32 TRADE_STATUS = 4;
87 static const INT32 TRADE_LOOKUP = 5;
88 static const INT32 TRADE_ORDER = 6;
89 static const INT32 TRADE_UPDATE = 7;
90 // Trade-Result and Market-Feed are included for completness.
91 static const INT32 MARKET_FEED = 8;
92 static const INT32 TRADE_RESULT = 9;
93
94 CCETxnMixGenerator(const PDriverCETxnSettings pTxnParamSettings, CBaseLogger *pLogger);
95 CCETxnMixGenerator(const PDriverCETxnSettings pTxnParamSettings, RNGSEED RNGSeed, CBaseLogger *pLogger);
96 ~CCETxnMixGenerator();
97
98 RNGSEED GetRNGSeed(void);
99 void SetRNGSeed(RNGSEED RNGSeed);
100
101 void UpdateTunables(void);
102 int GenerateNextTxnType(void);
103};
104
105} // namespace TPCE
106
107#endif // #ifndef CE_TXN_MIX_GENERATOR_H
108