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Diffstat (limited to 'storage/connect/tabjdbc.h')
| -rw-r--r-- | storage/connect/tabjdbc.h | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/storage/connect/tabjdbc.h b/storage/connect/tabjdbc.h new file mode 100644 index 00000000..078129a1 --- /dev/null +++ b/storage/connect/tabjdbc.h @@ -0,0 +1,236 @@ +/*************** Tabjdbc H Declares Source Code File (.H) **************/ +/* Name: TABJDBC.H Version 1.1 */ +/* */ +/* (C) Copyright to the author Olivier BERTRAND 2016-2017 */ +/* */ +/* This file contains the TDBJDBC classes declares. */ +/***********************************************************************/ +#include "colblk.h" +#include "resource.h" +#include "jdbccat.h" + +typedef class JDBCDEF *PJDBCDEF; +typedef class TDBJDBC *PTDBJDBC; +typedef class JDBCCOL *PJDBCCOL; +typedef class TDBXJDC *PTDBXJDC; +typedef class JSRCCOL *PJSRCCOL; + +/***********************************************************************/ +/* JDBC table. */ +/***********************************************************************/ +class DllExport JDBCDEF : public EXTDEF { /* Logical table description */ + friend class TDBJDBC; + friend class TDBXJDC; + friend class TDBJDRV; + friend class TDBJTB; + friend class TDBJDBCL; +public: + // Constructor + JDBCDEF(void); + + // Implementation + virtual const char *GetType(void) { return "JDBC"; } + + // Methods + virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff); + virtual PTDB GetTable(PGLOBAL g, MODE m); + int ParseURL(PGLOBAL g, char *url, bool b = true); + bool SetParms(PJPARM sjp); + +protected: + // Members + PSZ Driver; /* JDBC driver */ + PSZ Url; /* JDBC driver URL */ + PSZ Wrapname; /* Java driver name */ +}; // end of JDBCDEF + +#if !defined(NJDBC) +#include "jdbconn.h" + +/***********************************************************************/ +/* This is the JDBC Access Method class declaration for files from */ +/* other DB drivers to be accessed via JDBC. */ +/***********************************************************************/ +class TDBJDBC : public TDBEXT { + friend class JDBCCOL; + friend class JDBConn; +public: + // Constructor + TDBJDBC(PJDBCDEF tdp = NULL); + TDBJDBC(PTDBJDBC tdbp); + + // Implementation + virtual AMT GetAmType(void) {return TYPE_AM_JDBC;} + virtual PTDB Duplicate(PGLOBAL g) {return (PTDB)new(g) TDBJDBC(this);} + + // Methods + virtual PTDB Clone(PTABS t); + virtual bool SetRecpos(PGLOBAL g, int recpos); + virtual void ResetSize(void); + virtual PCSZ GetServer(void) { return "JDBC"; } + virtual int Indexable(void) { return 2; } + + // Database routines + virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n); + virtual int Cardinality(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: + // Internal functions + bool MakeInsert(PGLOBAL g); + bool SetParameters(PGLOBAL g); + + // Members + JDBConn *Jcp; // Points to a JDBC connection class + JDBCCOL *Cnp; // Points to count(*) column + JDBCPARM Ops; // Additional parameters + PSZ Wrapname; // Points to Java wrapper name + bool Prepared; // True when using prepared statement + bool Werr; // Write error + bool Rerr; // Rewind error +}; // end of class TDBJDBC + +/***********************************************************************/ +/* Class JDBCCOL: JDBC access method column descriptor. */ +/* This A.M. is used for JDBC tables. */ +/***********************************************************************/ +class JDBCCOL : public EXTCOL { + friend class TDBJDBC; + friend class JDBConn; +public: + // Constructors + JDBCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "JDBC"); + JDBCCOL(JDBCCOL *colp, PTDB tdbp); // Constructor used in copy process + + // Implementation + virtual int GetAmType(void) { return TYPE_AM_JDBC; } + + // Methods +//virtual bool SetBuffer(PGLOBAL g, PVAL value, bool ok, bool check); + virtual void ReadColumn(PGLOBAL g); + virtual void WriteColumn(PGLOBAL g); + +protected: + // Constructor for count(*) column + JDBCCOL(void); + + // Members + bool uuid; // For PostgreSQL +}; // end of class JDBCCOL + +/***********************************************************************/ +/* This is the JDBC Access Method class declaration that send */ +/* commands to be executed by other DB JDBC drivers. */ +/***********************************************************************/ +class TDBXJDC : public TDBJDBC { + friend class JSRCCOL; + friend class JDBConn; +public: + // Constructors + TDBXJDC(PJDBCDEF tdp = NULL); + + // Implementation + virtual AMT GetAmType(void) {return TYPE_AM_XDBC;} + + // Methods + + // Database routines + virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n); + //virtual int GetProgMax(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); + +protected: + // Internal functions + PCMD MakeCMD(PGLOBAL g); + + // Members + PCMD Cmdlist; // The commands to execute + char *Cmdcol; // The name of the Xsrc command column + int Mxr; // Maximum errors before closing + int Nerr; // Number of errors so far +}; // end of class TDBXJDC + +/***********************************************************************/ +/* Used by table in source execute mode. */ +/***********************************************************************/ +class JSRCCOL : public JDBCCOL { + friend class TDBXJDC; +public: + // Constructors + JSRCCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "JDBC"); + + // Implementation + virtual int GetAmType(void) {return TYPE_AM_JDBC;} + + // Methods + virtual void ReadColumn(PGLOBAL g); + virtual void WriteColumn(PGLOBAL g); + +protected: + // Members + char *Buffer; // To get returned message + int Flag; // Column content desc +}; // end of class JSRCCOL + +/***********************************************************************/ +/* This is the class declaration for the Drivers catalog table. */ +/***********************************************************************/ +class TDBJDRV : public TDBCAT { +public: + // Constructor + TDBJDRV(PJDBCDEF tdp) : TDBCAT(tdp) {Maxres = tdp->Maxres;} + +protected: + // Specific routines + virtual PQRYRES GetResult(PGLOBAL g); + + // Members + int Maxres; // Returned lines limit +}; // end of class TDBJDRV + +/***********************************************************************/ +/* This is the class declaration for the tables catalog table. */ +/***********************************************************************/ +class TDBJTB : public TDBJDRV { +public: + // Constructor + TDBJTB(PJDBCDEF tdp); + +protected: + // Specific routines + virtual PQRYRES GetResult(PGLOBAL g); + + // Members + PCSZ Schema; // Points to schema name or NULL + PCSZ Tab; // Points to JDBC table name or pattern + PCSZ Tabtype; // Points to JDBC table type + JDBCPARM Ops; // Additional parameters +}; // end of class TDBJTB + +/***********************************************************************/ +/* This is the class declaration for the columns catalog table. */ +/***********************************************************************/ +class TDBJDBCL : public TDBJTB { +public: + // Constructor + TDBJDBCL(PJDBCDEF tdp); + +protected: + // Specific routines + virtual PQRYRES GetResult(PGLOBAL g); + + // Members + PCSZ Colpat; // Points to catalog column pattern +}; // end of class TDBJDBCL + +#endif // !NJDBC |