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Diffstat (limited to 'storage/connect/tabjmg.h')
| -rw-r--r-- | storage/connect/tabjmg.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/storage/connect/tabjmg.h b/storage/connect/tabjmg.h new file mode 100644 index 00000000..06c1462d --- /dev/null +++ b/storage/connect/tabjmg.h @@ -0,0 +1,147 @@ +/**************** 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 |