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/**************** mongo H Declares Source Code File (.H) ***************/
/* Name: mongo.h Version 1.1 */
/* */
/* (C) Copyright to the author Olivier BERTRAND 2021 */
/* */
/* This file contains the common MongoDB classes declares. */
/***********************************************************************/
#ifndef __MONGO_H
#define __MONGO_H
#include "osutil.h"
#include "block.h"
#include "colblk.h"
typedef class MGODEF *PMGODEF;
typedef struct _bncol {
struct _bncol *Next;
char *Name;
char *Fmt;
int Type;
int Len;
int Scale;
bool Cbn;
bool Found;
} BCOL, *PBCOL;
/***********************************************************************/
/* Class used to get the columns of a mongo collection. */
/***********************************************************************/
class MGODISC : public BLOCK {
public:
// Constructor
MGODISC(PGLOBAL g, int *lg);
// Methods
virtual bool Init(PGLOBAL g) { return false; }
virtual void GetDoc(void) {}
virtual bool Find(PGLOBAL g) = 0;
// Functions
int GetColumns(PGLOBAL g, PCSZ db, PCSZ uri, PTOS topt);
void AddColumn(PGLOBAL g, PCSZ colname, PCSZ fmt, int k);
// Members
BCOL bcol;
PBCOL bcp, fbcp, pbcp;
PMGODEF tdp;
PTDB tmgp;
PCSZ drv;
int *length;
int i, ncol, lvl;
bool all;
}; // end of MGODISC
/***********************************************************************/
/* MongoDB table. */
/***********************************************************************/
class DllExport MGODEF : public EXTDEF { /* Table description */
friend class TDBCMG;
friend class TDBJMG;
friend class TDBGOL;
friend class TDBJGL;
friend class CMGFAM;
friend class MGODISC;
friend DllExport PQRYRES MGOColumns(PGLOBAL, PCSZ, PCSZ, PTOS, bool);
public:
// Constructor
MGODEF(void);
// Implementation
const char *GetType(void) override { return "MONGO"; }
// Methods
bool DefineAM(PGLOBAL g, LPCSTR am, int poff) override;
PTDB GetTable(PGLOBAL g, MODE m) override;
protected:
// Members
PCSZ Driver; /* MongoDB Driver (C or JAVA) */
PCSZ Uri; /* MongoDB connection URI */
PSZ Wrapname; /* Java wrapper name */
PCSZ Colist; /* Options list */
PCSZ Filter; /* Filtering query */
PCSZ Strfy; /* The stringify columns */
int Base; /* The array index base */
int Version; /* The Java driver version */
bool Pipe; /* True is Colist is a pipeline */
}; // end of MGODEF
#endif // __MONGO_H
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