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/**************** tabjmg H Declares Source Code File (.H) **************/
/* Name: tabjmg.h Version 1.3 */
/* */
/* (C) Copyright to the author Olivier BERTRAND 2017 - 2021 */
/* */
/* This file contains the MongoDB classes using the Java Driver. */
/***********************************************************************/
#include "mongo.h"
#include "jmgoconn.h"
#include "jdbccat.h"
/***********************************************************************/
/* Class used to get the columns of a mongo collection. */
/***********************************************************************/
class JMGDISC : public MGODISC {
public:
// Constructor
JMGDISC(PGLOBAL g, int *lg);
// Methods
virtual bool Init(PGLOBAL g);
virtual void GetDoc(void) {}
virtual bool Find(PGLOBAL g);
protected:
// Function
bool ColDesc(PGLOBAL g, jobject obj, char *pcn, char *pfmt,
int ncol, int k);
// Members
JMgoConn *Jcp; // Points to a Mongo connection class
jmethodID columnid; // The ColumnDesc method ID
jmethodID bvnameid; // The ColDescName method ID
}; // end of JMGDISC
/* -------------------------- TDBJMG class --------------------------- */
/***********************************************************************/
/* This is the MongoDB Table Type using the Java Driver. */
/* The table is a collection, each record being a document. */
/***********************************************************************/
class DllExport TDBJMG : public TDBEXT {
friend class JMGCOL;
friend class MGODEF;
friend class JMGDISC;
friend class JAVAConn;
friend PQRYRES MGOColumns(PGLOBAL, PCSZ, PCSZ, PTOS, bool);
public:
// Constructor
TDBJMG(PMGODEF tdp);
TDBJMG(TDBJMG *tdbp);
// Implementation
virtual AMT GetAmType(void) { return TYPE_AM_MGO; }
virtual PTDB Duplicate(PGLOBAL g) { return (PTDB)new(g) TDBJMG(this); }
// Methods
virtual PTDB Clone(PTABS t);
virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n);
virtual PCOL InsertSpecialColumn(PCOL colp);
//virtual void SetFilter(PFIL fp);
virtual int RowNumber(PGLOBAL g, bool b = FALSE) { return N; }
// Database routines
virtual int Cardinality(PGLOBAL g);
virtual int GetMaxSize(PGLOBAL g);
virtual bool OpenDB(PGLOBAL g);
virtual int ReadDB(PGLOBAL g);
virtual int WriteDB(PGLOBAL g);
virtual int DeleteDB(PGLOBAL g, int irc);
virtual void CloseDB(PGLOBAL g);
virtual bool ReadKey(PGLOBAL g, OPVAL op, const key_range *kr);
protected:
bool Init(PGLOBAL g);
// Members
JMgoConn *Jcp; // Points to a Mongo connection class
//JMGCOL *Cnp; // Points to count(*) column
JDBCPARM Ops; // Additional parameters
PCSZ Uri;
PCSZ Db_name;
PCSZ Coll_name;
PCSZ Options; // The MongoDB options
PCSZ Filter; // The filtering query
PCSZ Strfy; // The stringified columns
PSZ Wrapname; // Java wrapper name
int Fpos; // The current row index
int N; // The current Rownum
int B; // Array index base
bool Done; // Init done
bool Pipe; // True for pipeline
}; // end of class TDBJMG
/* --------------------------- JMGCOL class -------------------------- */
/***********************************************************************/
/* Class JMGCOL: MongoDB access method column descriptor. */
/***********************************************************************/
class DllExport JMGCOL : public EXTCOL {
friend class TDBJMG;
friend class FILTER;
public:
// Constructors
JMGCOL(PGLOBAL g, PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i);
JMGCOL(JMGCOL *colp, PTDB tdbp); // Constructor used in copy process
// Implementation
virtual int GetAmType(void) {return Tmgp->GetAmType();}
virtual bool Stringify(void) { return Sgfy; }
// Methods
//virtual bool SetBuffer(PGLOBAL g, PVAL value, bool ok, bool check);
virtual PSZ GetJpath(PGLOBAL g, bool proj);
virtual void ReadColumn(PGLOBAL g);
virtual void WriteColumn(PGLOBAL g);
//bool AddValue(PGLOBAL g, bson_t *doc, char *key, bool upd);
protected:
// Default constructor not to be used
JMGCOL(void) = default;
//char *GetProjPath(PGLOBAL g);
//char *Mini(PGLOBAL g, const bson_t *bson, bool b);
// Members
TDBJMG *Tmgp; // To the MGO table block
char *Jpath; // The json path
bool Sgfy; // True if stringified
}; // end of class JMGCOL
/***********************************************************************/
/* This is the class declaration for the MONGO catalog table. */
/***********************************************************************/
class DllExport TDBJGL : public TDBCAT {
public:
// Constructor
TDBJGL(PMGODEF tdp);
protected:
// Specific routines
virtual PQRYRES GetResult(PGLOBAL g);
// Members
PTOS Topt;
PCSZ Uri;
PCSZ Db;
}; // end of class TDBGOL
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