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83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
/*
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* KDataDriver.h
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*
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* Created on: 2012-9-8
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* Author: fasiondog
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*/
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#ifndef KDATADRIVER_H_
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#define KDATADRIVER_H_
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#include "KDataDriverImp.h"
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namespace hku {
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/**
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* K线数据驱动基类
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*/
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class KDataDriver {
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public:
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KDataDriver() {}
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KDataDriver(const shared_ptr<IniParser>& config);
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virtual ~KDataDriver() { }
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/**
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* 将指定类型的K线数据加载至缓存
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* @param market 市场简称
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* @param code 证券代码
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* @param kType K线类型
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* @param start_ix 欲加载的起始位置
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* @param end_ix 欲加载的结束位置，不包含自身
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* @param out_buffer [out] 缓存指针
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*/
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virtual void loadKData(const string& market, const string& code,
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KQuery::KType kType, size_t start_ix, size_t end_ix,
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KRecordList* out_buffer) ;
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/**
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* 获取指定类型的K线数据量
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* @param market 市场简称
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* @param code 证券代码
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* @param kType K线类型
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* @return
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*/
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virtual size_t getCount(const string& market, const string& code,
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KQuery::KType kType);
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/**
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* 获取指定日期范围对应的K线记录索引
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* @param market 市场简称
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* @param code 证券代码
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* @param query 查询条件
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* @param out_start [out] 对应K线记录位置
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* @param out_end [out] 对应的K线记录位置
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* @return
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*/
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virtual bool getIndexRangeByDate(const string& market, const string& code,
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const KQuery& query, size_t& out_start, size_t& out_end);
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/**
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* 获取指定的K线记录
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* @param market 市场简称
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* @param code 证券代码
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* @param pos K线记录索引
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* @param kType K线类型
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* @return
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*/
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virtual KRecord getKRecord(const string& market, const string& code,
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size_t pos, KQuery::KType kType);
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private:
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KDataDriverImpPtr _getImpPtr(const string& market, KQuery::KType);
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private:
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map<KQuery::KType, string> m_suffix;
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map<string, KDataDriverImpPtr> m_imp; /* key: market + _day */
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};
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typedef shared_ptr<KDataDriver> KDataDriverPtr;
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} /* namespace */
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#endif /* KDATADRIVER_H_ */
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