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170 lines
3.8 KiB
C++
170 lines
3.8 KiB
C++
/*
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* KData.h
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*
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* Created on: 2012-9-25
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* Author: fasiondog
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*/
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#pragma once
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#ifndef KDATA_H_
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#define KDATA_H_
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#include "KDataImp.h"
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namespace hku {
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class HKU_API Indicator;
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/**
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* K线数据
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* @ingroup StockManage
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*/
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class HKU_API KData {
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public:
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KData() {}
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KData(const KData&);
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KData(const Stock& stock, const KQuery& query);
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virtual ~KData() {}
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KData& operator=(const KData&);
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size_t size() const;
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bool empty() const;
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DatetimeList getDatetimeList() const;
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/** 获取指定位置的KRecord，未作越界检查 */
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KRecord getKRecord(size_t pos) const;
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/** 按日期查询KRecord */
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KRecord getKRecordByDate(const Datetime& datetime) const;
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/** 同getKRecord @see getKRecord */
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KRecord operator[](size_t pos) const {
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return getKRecord(pos);
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}
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/** 同getKRecordByDate @see getKRecordByDate */
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KRecord operator[](const Datetime& datetime) const {
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return getKRecordByDate(datetime);
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}
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/** 按日期查询对应的索引位置 */
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size_t getPos(const Datetime& datetime) const;
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/** 获取关联的KQuery */
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KQuery getQuery() const;
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/** 获取关联的Stock，如果没有关联返回Null<Stock> */
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Stock getStock() const;
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/** 获取在原始K线记录中对应的起始位置，如果为空返回0 */
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size_t startPos() const;
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/** 获取在原始K线记录中对应的最后一条记录的位置，如果为空返回0,其他等于endPos - 1 */
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size_t lastPos() const;
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/** 获取在原始K线记录中对应范围的下一条记录的位置，如果为空返回0,其他等于lastPos + 1 */
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size_t endPos() const;
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/** 输出数据到指定的文件中 */
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void tocsv(const string& filename);
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string toString() const;
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/** 开盘价 */
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Indicator open() const;
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/** 最高价 */
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Indicator high() const;
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/** 收盘价 */
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Indicator close() const;
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/** 最低价 */
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Indicator low() const;
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/** 成交量 */
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Indicator vol() const;
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/** 成交金额 */
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Indicator amo() const;
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private:
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KDataImpPtr m_imp;
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};
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/**
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* 输出KData信息
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* @details
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* <pre>
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* KData{
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* size : 738501
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* stock: Stock(SH, 000001, 上证指数, 指数, 1, 1990-Dec-19 00:00:00, +infinity),
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* query: KQuery(0, 99999999999, INDEX, MIN, NO_RECOVER)
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* }
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* </pre>
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* @ingroup StockManage
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*/
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HKU_API std::ostream& operator<<(std::ostream& os, const KData& kdata);
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inline KData::KData(const KData& x) : m_imp(x.m_imp) {}
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inline KData& KData::operator=(const KData& x) {
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if (this == &x)
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return *this;
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m_imp = x.m_imp;
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return *this;
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}
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inline DatetimeList KData::getDatetimeList() const {
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if (empty()) {
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return DatetimeList();
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}
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return getStock().getDatetimeList(startPos(), lastPos() + 1, getQuery().kType());
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}
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inline KRecord KData::getKRecord(size_t pos) const {
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return m_imp->getKRecord(pos); //如果为空，将抛出异常
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}
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inline KRecord KData::getKRecordByDate(const Datetime& datetime) const {
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size_t pos = getPos(datetime);
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return pos != Null<size_t>() ? getKRecord(pos) : Null<KRecord>();
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}
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inline size_t KData::getPos(const Datetime& datetime) const {
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return m_imp ? m_imp->getPos(datetime) : Null<size_t>();
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}
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inline size_t KData::size() const {
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return m_imp ? m_imp->size() : 0;
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}
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inline bool KData::empty() const {
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return m_imp ? m_imp->empty() : true;
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}
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inline KQuery KData::getQuery() const {
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return m_imp ? m_imp->getQuery() : Null<KQuery>();
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}
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inline Stock KData::getStock() const {
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return m_imp ? m_imp->getStock() : Null<Stock>();
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}
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inline size_t KData::startPos() const {
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return m_imp ? m_imp->startPos() : 0;
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}
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inline size_t KData::endPos() const {
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return m_imp ? m_imp->endPos() : 0;
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}
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inline size_t KData::lastPos() const {
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return m_imp ? m_imp->lastPos() : 0;
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}
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} /* namespace hku */
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#endif /* KDATA_H_ */
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