query.h

#ifndef _QUERY_H
#define _QUERY_H
/*
 * Fledge storage client.
 *
 * Copyright (c) 2018 OSisoft, LLC
 *
 * Released under the Apache 2.0 Licence
 *
 * Author: Mark Riddoch
 */
#include <where.h>
#include <aggregate.h>
#include <sort.h>
#include <join.h>
#include <timebucket.h>
#include <returns.h>
#include <string>
#include <vector>
 
 
class Query {
    public:
        Query(Where *where);
        Query(Aggregate *aggreate, Where *where);
        Query(Timebucket *timebucket, Where *where);
        Query(Timebucket *timebucket, Where *where, unsigned int limit);
        Query(Returns *returns);
        Query(std::vector<Returns *> returns);
        Query(std::vector<Returns *> returns, Where *where);
        Query(std::vector<Returns *> returns, Where *where, unsigned int limit);
        ~Query();
        void                aggregate(Aggregate *aggegate);
        void                group(const std::string& column);
        void                sort(Sort *sort);
        void                limit(unsigned int limit);
        void                timebucket(Timebucket*);
        void                returns(Returns *);
        void                returns(std::vector<Returns *>);
        void                distinct();
        void                join(Join *join);
        const std::string       toJSON() const;
    private:
        Query(const Query&);        // Disable copy of query
        Query&              operator=(Query const&);
        Where               *m_where;
        std::vector<Aggregate *>    m_aggregates;
        std::string         m_group;
        std::vector<Sort *>     m_sort;
        unsigned int            m_limit;
        Timebucket*         m_timebucket;
        std::vector<Returns *>      m_returns;
        bool                m_distinct;
        Join                *m_join;
};
#endif