forked from rosh/MQL5Book
139 lines
4.5 KiB
MQL5
139 lines
4.5 KiB
MQL5
//+------------------------------------------------------------------+
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//| DealMonitor.mqh |
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//| Copyright 2022, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#include "TradeBaseMonitor.mqh"
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//+------------------------------------------------------------------+
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//| Stateless class with special handling of deal properties |
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//| SUPER should be MonitorInterface<ENUM_DEAL_PROPERTY_INTEGER, |
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//| ENUM_DEAL_PROPERTY_DOUBLE,ENUM_DEAL_PROPERTY_STRING> |
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//+------------------------------------------------------------------+
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template<typename SUPER>
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class DealMonitorInterface: public SUPER
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{
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public:
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// explain properties according to subtypes
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virtual string stringify(const long v, const ENUM_DEAL_PROPERTY_INTEGER property) const override
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{
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switch(property)
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{
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case DEAL_TYPE:
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return enumstr<ENUM_DEAL_TYPE>(v);
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case DEAL_ENTRY:
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return enumstr<ENUM_DEAL_ENTRY>(v);
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case DEAL_REASON:
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return enumstr<ENUM_DEAL_REASON>(v);
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case DEAL_TIME:
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return TimeToString(v, TIME_DATE|TIME_SECONDS);
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case DEAL_TIME_MSC:
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return STR_TIME_MSC(v);
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}
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return (string)v;
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}
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// all the following methods are required to eliminate compiler warning:
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// deprecated behavior, hidden method calling will be disabled in a future MQL compiler version
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virtual string stringify(const ENUM_DEAL_PROPERTY_INTEGER property) const override
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{
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return SUPER::stringify(property);
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}
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virtual string stringify(const ENUM_DEAL_PROPERTY_DOUBLE property, const string format = NULL) const override
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{
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return SUPER::stringify(property, format);
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}
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virtual string stringify(const ENUM_DEAL_PROPERTY_STRING property) const override
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{
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return SUPER::stringify(property);
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}
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virtual string stringify(const int i) const override
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{
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return SUPER::stringify(i);
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}
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};
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//+------------------------------------------------------------------+
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//| Main class for reading deal properties |
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//+------------------------------------------------------------------+
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class DealMonitor:
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public DealMonitorInterface<MonitorInterface<ENUM_DEAL_PROPERTY_INTEGER,
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ENUM_DEAL_PROPERTY_DOUBLE,ENUM_DEAL_PROPERTY_STRING>>
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{
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bool historyDealSelectWeak(const ulong t) const
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{
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return (((HistoryDealGetInteger(t, DEAL_TICKET) == t) ||
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(HistorySelect(0, LONG_MAX) && (HistoryDealGetInteger(t, DEAL_TICKET) == t))));
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}
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public:
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const ulong ticket;
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DealMonitor(const ulong t): ticket(t)
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{
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if(!historyDealSelectWeak(ticket))
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{
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PrintFormat("Error: HistoryDealSelect(%lld) failed", ticket);
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}
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else
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{
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ready = true;
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}
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}
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virtual bool refresh() override
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{
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ready = historyDealSelectWeak(ticket);
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return ready;
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}
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virtual long get(const ENUM_DEAL_PROPERTY_INTEGER property) const override
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{
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return HistoryDealGetInteger(ticket, property);
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}
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virtual double get(const ENUM_DEAL_PROPERTY_DOUBLE property) const override
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{
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return HistoryDealGetDouble(ticket, property);
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}
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virtual string get(const ENUM_DEAL_PROPERTY_STRING property) const override
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{
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return HistoryDealGetString(ticket, property);
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}
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virtual long get(const int property, const long) const override
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{
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return HistoryDealGetInteger(ticket, (ENUM_DEAL_PROPERTY_INTEGER)property);
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}
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virtual double get(const int property, const double) const override
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{
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return HistoryDealGetDouble(ticket, (ENUM_DEAL_PROPERTY_DOUBLE)property);
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}
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virtual string get(const int property, const string) const override
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{
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return HistoryDealGetString(ticket, (ENUM_DEAL_PROPERTY_STRING)property);
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}
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};
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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/* example
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void OnStart()
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{
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DealMonitor m(0);
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m.list2log<ENUM_DEAL_PROPERTY_INTEGER>();
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m.list2log<ENUM_DEAL_PROPERTY_DOUBLE>();
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m.list2log<ENUM_DEAL_PROPERTY_STRING>();
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}
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*/
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//+------------------------------------------------------------------+
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