hikyuu2/hikyuu_cpp/hikyuu/KQuery.h

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/*
* KQuery.h
*
* Created on: 2009-11-23
* Author: fasiondog
*/
#pragma once
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#ifndef KQUERY_H_
#define KQUERY_H_
#include "KRecord.h"
namespace hku {
/**
* K线数据条件
* @ingroup StockManage
*/
class HKU_API KQuery {
public:
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/// 查询方式:索引或日期
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enum QueryType {
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INDEX = 0, ///< 按索引方式查询
DATE = 1, ///< 按日期方式查询
INVALID = 2
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};
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/// 查询K线类型日线/周线等
/*enum KType {
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//notes: 如添加新类型,请注意按大小顺序添加,否则可能出错
MIN = 0, ///<1分钟线
MIN5 = 1, ///<5分钟线
MIN15 = 2, ///<15分钟线
MIN30 = 3, ///<30分钟线
MIN60 = 4, ///<60分钟线
DAY = 5, ///<日线
WEEK = 6, ///<周线
MONTH = 7, ///<月线
QUARTER = 8, ///<季线
HALFYEAR = 9, ///<半年线
YEAR = 10, ///<年线
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//BTC扩展
MIN3 = 11, ///<3分钟线
HOUR2 = 12, ///<2小时线
HOUR4 = 13, ///<4小时线
HOUR6 = 14, ///<6小时线
HOUR12 = 15, ///<12小时线
INVALID_KTYPE = 16
};*/
typedef string KType;
static const string MIN;
static const string MIN5;
static const string MIN15;
static const string MIN30;
static const string MIN60;
static const string DAY;
static const string WEEK;
static const string MONTH;
static const string QUARTER;
static const string HALFYEAR;
static const string YEAR;
static const string MIN3;
static const string HOUR2;
static const string HOUR4;
static const string HOUR6;
static const string HOUR12;
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// static const string INVALID_KTYPE;
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/** 获取所有的 KType */
static const vector<KType>& getAllKType();
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static int32_t getKTypeInMin(KType);
/** 判断是否为有效 ktype */
static bool isKType(const string& ktype);
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/**
*
* @note 线线/线
*/
enum RecoverType {
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NO_RECOVER = 0, ///< 不复权
FORWARD = 1, ///< 前向复权
BACKWARD = 2, ///< 后向复权
EQUAL_FORWARD = 3, ///< 等比前向复权
EQUAL_BACKWARD = 4, ///< 等比后向复权
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INVALID_RECOVER_TYPE = 5
};
/** 默认构造,按索引方式查询全部日线数据,不复权 */
KQuery()
: m_start(0),
m_end(Null<int64_t>()),
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m_queryType(INDEX),
m_dataType(DAY),
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m_recoverType(NO_RECOVER) {};
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/**
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* K线查询[start, end)
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* @param start
* @param end
* @param dataType K线类型
* @param recoverType
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* @param queryType
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*/
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KQuery(int64_t start, // cppcheck-suppress [noExplicitConstructor]
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int64_t end = Null<int64_t>(), const KType& dataType = DAY,
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RecoverType recoverType = NO_RECOVER, QueryType queryType = INDEX)
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: m_start(start),
m_end(end),
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m_queryType(queryType),
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m_dataType(dataType),
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m_recoverType(recoverType) {
to_upper(m_dataType);
}
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/**
* K 线[start, end)
* @param start
* @param end
* @param ktype K线类型
* @param recoverType
*/
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KQuery(Datetime start, // cppcheck-suppress [noExplicitConstructor]
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Datetime end = Null<Datetime>(), const KType& ktype = DAY,
RecoverType recoverType = NO_RECOVER);
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/**
* Null<int64_t>()
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*/
int64_t start() const {
return m_queryType != INDEX ? Null<int64_t>() : m_start;
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}
/**
* Null<int64_t>()
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*/
int64_t end() const {
return m_queryType != INDEX ? Null<int64_t>() : m_end;
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}
/**
* Null<Datetime>()
*/
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Datetime startDatetime() const;
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/**
* Null<Datetime>()
*/
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Datetime endDatetime() const;
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/** 获取查询条件类型 */
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QueryType queryType() const {
return m_queryType;
}
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/** 获取K线数据类型 */
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// KType kType() const { return m_dataType; }
string kType() const {
return m_dataType;
}
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/** 获取复权类型 */
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RecoverType recoverType() const {
return m_recoverType;
}
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/** 设置复权类型 */
void recoverType(RecoverType recoverType) {
m_recoverType = recoverType;
}
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/** 获取queryType名称用于显示输出 */
static string getQueryTypeName(QueryType);
/** 获取KType名称用于显示输出 */
static string getKTypeName(KType);
/** 获取recoverType名称用于显示输出 */
static string getRecoverTypeName(RecoverType);
/** 根据字符串名称获取相应的queryType枚举值 */
static QueryType getQueryTypeEnum(const string&);
/** 根据字符串名称,获取相应的枚举值 */
static KType getKTypeEnum(const string&);
/** 根据字符串名称,获取相应的枚举值 */
static RecoverType getRecoverTypeEnum(const string&);
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private:
int64_t m_start;
int64_t m_end;
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QueryType m_queryType;
KType m_dataType;
RecoverType m_recoverType;
};
/**
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* K线查询[start, end)
* @param start
* @param end
* @param dataType K线类型
* @param recoverType
* @see KQuery
* @ingroup StockManage*
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*/
KQuery HKU_API KQueryByIndex(int64_t start = 0, int64_t end = Null<int64_t>(),
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const KQuery::KType& dataType = KQuery::DAY,
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KQuery::RecoverType recoverType = KQuery::NO_RECOVER);
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inline KQuery KQueryByIndex(int64_t start, int64_t end, const KQuery::KType& dataType,
KQuery::RecoverType recoverType) {
return KQuery(start, end, dataType, recoverType, KQuery::INDEX);
}
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/**
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* K线查询[startDatetime, endDatetime)
* @param start
* @param end
* @param dataType K线类型
* @param recoverType
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* @see KQuery
* @ingroup StockManage
*/
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KQuery HKU_API KQueryByDate(const Datetime& start = Datetime::min(),
const Datetime& end = Null<Datetime>(),
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const KQuery::KType& dataType = KQuery::DAY,
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KQuery::RecoverType recoverType = KQuery::NO_RECOVER);
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inline KQuery KQueryByDate(const Datetime& start, const Datetime& end,
const KQuery::KType& dataType, KQuery::RecoverType recoverType) {
return KQuery(start, end, dataType, recoverType);
}
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/**
* KQuery信息KQuery(start, end, queryType, kType, recoverType)
* @ingroup StockManage
*/
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HKU_API std::ostream& operator<<(std::ostream& os, const KQuery& query);
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///////////////////////////////////////////////////////////////////////////////
//
// 关系比较函数, 不直接在类中定义是为了支持 Null<>() == dNull可以放在左边
//
///////////////////////////////////////////////////////////////////////////////
bool HKU_API operator==(const KQuery&, const KQuery&);
bool HKU_API operator!=(const KQuery&, const KQuery&);
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/**
* KQuery的Null值
* @ingroup StockManage
*/
template <>
class Null<KQuery> {
public:
Null() {}
operator KQuery() {
return KQuery(Null<int64_t>(), Null<int64_t>(),
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"", // KQuery::INVALID_KTYPE,
KQuery::INVALID_RECOVER_TYPE, KQuery::INVALID);
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}
};
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} // namespace hku
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#if FMT_VERSION >= 90000
template <>
struct fmt::formatter<hku::KQuery> : ostream_formatter {};
#endif
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#endif /* KQUERY_H_ */