/******************************************************************************/ /* File : TAops.cc */ /* Schema : bdeschema.sch */ /* GENCPP Version : Chgen V 12 - Sathya */ /******************************************************************************/ #include #include #include #include "bdeschema.h" #include "SVschema.h" #include "TTschema.h" #include "TAschema.h" #include "VVschema.h" #include "TSschema.h" #include "FOschema.h" #include "GDschema.h" #include "HGschema.h" #include "HNschema.h" #include "HAschema.h" #include "HLschema.h" #include "HPschema.h" #include "HIschema.h" #include "CGschema.h" #include "GXschema.h" #ifdef USE_STL /******************************************************************************/ /* This routine returns table abbreviation. */ /******************************************************************************/ char *TAtable::getAbbrev() { return abbrev; } /******************************************************************************/ /* This routine returns table name. */ /******************************************************************************/ char *TAtable::getName() { return name; } /******************************************************************************/ /* This routine returns number of rows in the table. */ /******************************************************************************/ unsigned int TAtable::getRowCount() { return row.size(); } /******************************************************************************/ /* This routine returns an iterator to the first row in the table. */ /******************************************************************************/ list::iterator TAtable::getFirstRow() { return row.begin(); } /******************************************************************************/ /* This routine returns the last row in the table. */ /******************************************************************************/ TA *TAtable::getLastRow() { TA *retval; list::iterator iter; if (row.empty()) { retval = NULL; } else { iter = row.end(); iter--; retval = *iter; } return retval; } /******************************************************************************/ /* This routine returns the terminator after last row in the table. */ /******************************************************************************/ list::iterator TAtable::Terminator() { return row.end(); } bool TAtable::isFirstRow(TA* curr) { return(curr != NULL && curr != (*getFirstRow())); } bool TAtable::isLastRow(TA* curr) { return(curr != NULL && curr != getLastRow()); } #endif /* ifdef USE_STL */ #ifdef USE_STL /******************************************************************************/ /* This routine inserts a row into the table. */ /******************************************************************************/ void TAtable::insertRow(TA *newRow) { list::iterator iter; iter = row.begin(); while (iter != row.end() && (*iter)->get_pkid() < newRow->get_pkid()) iter++; row.insert(iter, newRow); } #endif /* USE_STL */ #ifdef USE_STL /******************************************************************************/ /* This routine returns removes the specified row from the table. */ /******************************************************************************/ list::iterator TAtable::removeRow(list::iterator i) { TA *tmpRow = (*i); return row.erase(i); } #endif #ifdef USE_STL /******************************************************************************/ /* Constructor for table class. */ /******************************************************************************/ TAtable::TAtable(char *newAbbrev, char *newName) { strcpy(abbrev, newAbbrev); name = new char[sizeof( newName )]; strcpy(name, newName); } #endif #ifdef USE_STL /******************************************************************************/ /* Table destructor. */ /******************************************************************************/ TAtable::~TAtable() { TA *currRow; list::iterator iterator; iterator = row.begin(); while (iterator != row.end()) { currRow = *iterator; iterator = currRow->delete_row(iterator); } delete [] name; } #endif /******************************************************************************/ /* This routine is used to set value to a data member. */ /******************************************************************************/ void TA::set_TTid (hcg_key value) { char log_text[BUFSIZE]; char temp_key[HCG_KEY_SIZE+1]; char temp_fkey[HCG_KEY_SIZE+1]; hcg_key TAid; logwait(); if (get_RFLAG()==1 && hcg_log ==1 ) { fprintf( hcg_logfileptr, "SET_KEY %s %s %s\n", decode_retstr( (hcg_key*)(get_pkid()) ), "TTid", decode_retstr(&value) ); } TTid = value ; TAid = RC::get_pkid(); decode(temp_key, &TAid); decode(temp_fkey, &value); sprintf(log_text,"PR_SET_KEY %s TTid %s\n",temp_key, temp_fkey); logstr(log_text); } /******************************************************************************/ /* This routine is used to set value to a data member. */ /******************************************************************************/ void TA::set_fname (char *value) { char log_text[BUFSIZE]; char temp_key[HCG_KEY_SIZE+1]; hcg_key TAid; logwait(); if ( strlen(value) >= sizeof(fname) ) fprintf(stderr, "Warning: field fname in class TA is too long- truncated\n"); if (get_RFLAG()==1 && hcg_log ==1 ) { fprintf( hcg_logfileptr, "SET_STR %s %s %s\n", decode_retstr( (hcg_key*)(get_pkid()) ),"fname", (value) ); } strncpy(fname, value, sizeof(fname)) ; TAid = RC::get_pkid(); decode(temp_key, &TAid); sprintf(log_text,"PR_SET_STR %s fname %s\n",temp_key, value); logstr(log_text); } /******************************************************************************/ /* This routine is used to set value to a data member. */ /******************************************************************************/ void TA::set_dfltVal (char *value) { char log_text[BUFSIZE]; char temp_key[HCG_KEY_SIZE+1]; hcg_key TAid; logwait(); if ( strlen(value) >= sizeof(dfltVal) ) fprintf(stderr, "Warning: field dfltVal in class TA is too long- truncated\n"); if (get_RFLAG()==1 && hcg_log ==1 ) { fprintf( hcg_logfileptr, "SET_STR %s %s %s\n", decode_retstr( (hcg_key*)(get_pkid()) ),"dfltVal", (value) ); } strncpy(dfltVal, value, sizeof(dfltVal)) ; TAid = RC::get_pkid(); decode(temp_key, &TAid); sprintf(log_text,"PR_SET_STR %s dfltVal %s\n",temp_key, value); logstr(log_text); } /******************************************************************************/ /* This routine is used to set value to a data member. */ /******************************************************************************/ void TA::set_ftype (char *value) { char log_text[BUFSIZE]; char temp_key[HCG_KEY_SIZE+1]; hcg_key TAid; logwait(); if ( strlen(value) >= sizeof(ftype) ) fprintf(stderr, "Warning: field ftype in class TA is too long- truncated\n"); if (get_RFLAG()==1 && hcg_log ==1 ) { fprintf( hcg_logfileptr, "SET_STR %s %s %s\n", decode_retstr( (hcg_key*)(get_pkid()) ),"ftype", (value) ); } strncpy(ftype, value, sizeof(ftype)) ; TAid = RC::get_pkid(); decode(temp_key, &TAid); sprintf(log_text,"PR_SET_STR %s ftype %s\n",temp_key, value); logstr(log_text); } /******************************************************************************/ /* This routine is used to set value to a data member. */ /******************************************************************************/ void TA::set_iskey (char *value) { char log_text[BUFSIZE]; char temp_key[HCG_KEY_SIZE+1]; hcg_key TAid; logwait(); if ( strlen(value) >= sizeof(iskey) ) fprintf(stderr, "Warning: field iskey in class TA is too long- truncated\n"); if (get_RFLAG()==1 && hcg_log ==1 ) { fprintf( hcg_logfileptr, "SET_STR %s %s %s\n", decode_retstr( (hcg_key*)(get_pkid()) ),"iskey", (value) ); } strncpy(iskey, value, sizeof(iskey)) ; TAid = RC::get_pkid(); decode(temp_key, &TAid); sprintf(log_text,"PR_SET_STR %s iskey %s\n",temp_key, value); logstr(log_text); } /******************************************************************************/ /* This routine is used to set value to a data member. */ /******************************************************************************/ void TA::set_comment (char *value) { char log_text[BUFSIZE]; char temp_key[HCG_KEY_SIZE+1]; hcg_key TAid; logwait(); if ( strlen(value) >= sizeof(comment) ) fprintf(stderr, "Warning: field comment in class TA is too long- truncated\n"); if (get_RFLAG()==1 && hcg_log ==1 ) { fprintf( hcg_logfileptr, "SET_STR %s %s %s\n", decode_retstr( (hcg_key*)(get_pkid()) ),"comment", (value) ); } strncpy(comment, value, sizeof(comment)) ; TAid = RC::get_pkid(); decode(temp_key, &TAid); sprintf(log_text,"PR_SET_STR %s comment %s\n",temp_key, value); logstr(log_text); } /******************************************************************************/ /* This routine is used to get value from a data member. */ /******************************************************************************/ hcg_key TA::get_TTid () { return TTid; } /******************************************************************************/ /* This routine is used to get value from a data member. */ /******************************************************************************/ char* TA::get_fname () { return fname; } /******************************************************************************/ /* This routine is used to get value from a data member. */ /******************************************************************************/ char* TA::get_dfltVal () { return dfltVal; } /******************************************************************************/ /* This routine is used to get value from a data member. */ /******************************************************************************/ char* TA::get_ftype () { return ftype; } /******************************************************************************/ /* This routine is used to get value from a data member. */ /******************************************************************************/ char* TA::get_iskey () { return iskey; } /******************************************************************************/ /* This routine is used to get value from a data member. */ /******************************************************************************/ char* TA::get_comment () { return comment; } #ifndef USE_STL TA* TA::create_row() { TA *TAtmp; TAtmp = new TA; TAtmp->set_pkid(0); TAtmp->set_TTid(0); TAtmp->set_fname("\0"); TAtmp->set_dfltVal("\0"); TAtmp->set_ftype("\0"); TAtmp->set_iskey("\0"); TAtmp->set_comment("\0"); TAtmp->next_ptr = NULL; TAtmp->prev_ptr = NULL; TAtmp->TTid_pp = NULL; TAtmp->TTid_fpp = NULL; TAtmp->TTid_bpp = NULL; return TAtmp; } #endif /******************************************************************************/ /* This routine is used to add a single row to a virtual database table. */ /* Validations for valid table-id, table is within view, and the version */ /* number is the right one for this table in this view. if all this passes, */ /* the row is added to the database, and linked in to its parents, etc... */ /******************************************************************************/ void TA::add_row (char *viewname) { char error_table[HCG_ABBR_SIZE+1]; char tempkey[HCG_KEY_SIZE+1]; hcg_key TAid; char VNstring[NAMELENGTH] = "VN "; if (hcg_log == 1) { logwait(); if (strcmp(viewname, hcg_viewname)) { logstr(strcat (strcat (VNstring, viewname), "\n")); strcpy (hcg_viewname, viewname); } } if (!hcg_initialized) { printf("Error: pr_add() called when database is not yet initialized.\n"); add_row_log (viewname); return; } if (!find_view_idx(viewname)) { printf("Error: view %s passed to pr_load is not defined.\n",viewname); add_row_log (viewname); return; } if (!find_tbl_idx("TA")) { strncpy_null(error_table, "TA", HCG_ABBR_SIZE); printf("Warning: unknown table (%s) passed to pr_add, ignored.\n",error_table); add_row_log (viewname); return; } hcg_version = hcg_view_list.view_list[hcg_view_idx].version_list[hcg_tbl_idx]; hcg_table_seq_list[hcg_tbl_idx].rcount++; hcg_ts_list[hcg_tbl_idx].ts_list[hcg_version].rcount++; #ifndef USE_STL TAelt = this; #endif pr_gen_pkey(viewname,TA,TAid); #ifdef USE_STL set_pkid(TAid); #else RC::set_pkid(TAid); #endif #ifndef USE_STL pr_check_fkey(TA,TAelt,TTid,TT,TTid,TTelt); #else pr_check_fkey(TA,this,TTid,TT,TTid,TTelt); #endif pr_check_str (TA,TAelt,fname,30); pr_check_str (TA,TAelt,dfltVal,30); pr_check_str (TA,TAelt,ftype,10); pr_check_str (TA,TAelt,iskey,4); pr_check_str (TA,TAelt,comment,132); add_row_log (viewname); link_row(); hcg_ts_list[hcg_tbl_idx].ts_list[hcg_version].maxrow++; } /******************************************************************************/ /* This routine is used to link a single row to a virtual database table. */ /******************************************************************************/ void TA::link_row() { hcg_key TAid; #ifndef USE_STL insert_element(TA); #else TAtab->insertRow(this); #endif /* USE_STL */ link_parent_bp_m(TA,TT,TTid,TTid,TTid,TAid); } /******************************************************************************/ /* This routine is used to parse a single row to a virtual database table. */ /* Validations for valid table-id, table is within view, and the version */ /* number is the right one for this table in this view. if all this passes, */ /* the row is added to the database, and linked in to its parents, etc... */ /******************************************************************************/ void TA::parse_row (char *buffer, int idx, hcg_key hcg_k) { #ifdef USE_STL set_pkid(hcg_k); #else RC::set_pkid(hcg_k); #endif hcg_parse(buffer, hcg_t, &idx); encode(hcg_t, &hcg_k); TTid = hcg_k; hcg_parse(buffer,hcg_t,&idx); mystrcpy(fname,hcg_t,30,0); hcg_parse(buffer,hcg_t,&idx); mystrcpy(dfltVal,hcg_t,30,1); hcg_parse(buffer,hcg_t,&idx); mystrcpy(ftype,hcg_t,10,0); hcg_parse(buffer,hcg_t,&idx); mystrcpy(iskey,hcg_t,4,0); mystrcpy(comment,buffer+idx,132,1); } /******************************************************************************/ /* This routine will delete a single row from the database. The row is the */ /* one pointed to by the XXcurr variable. */ /******************************************************************************/ #ifdef USE_STL list::iterator TA::delete_row (list::iterator rowIter) #else void TA::delete_row () #endif { static char rcsid[] = "$Id"; char temp_key[HCG_KEY_SIZE+1]; hcg_key TAid; char log_text[BUFSIZE]; logwait(); #ifdef USE_STL TAcurr = rowIter; #endif unlink_parent_bp_m(TA,TT,TTid,TAid); #ifdef DEBUG #ifdef USE_STL TAid = get_pkid(); #else TAid = RC::get_pkid(); #endif decode(temp_key, &TAid); printf("The primary key deleted is %s\n",temp_key); #endif #ifdef USE_STL rowIter = TAtab->removeRow(rowIter); delete this; #else del_row(TA); #endif /* The following is to support logging */ #ifdef USE_STL TAid = get_pkid(); #else TAid = RC::get_pkid(); #endif decode(temp_key, &TAid); sprintf(log_text,"DL %s\n",temp_key); logstr(log_text); #ifdef USE_STL return rowIter; #endif } /******************************************************************************/ /* This routine will write-out (dump) all rows that meet the specified */ /* view to the specified file_name. The tbl indicates which table's row */ /* will be dumped. The open_file flag of 1 indicates open a file for dumping */ /* a single row. Otherwise doesn't open file because pr_dump had opened a */ /* file. If the mode of the view is write, the caller is allowed to specify a */ /* new_version flag of 1, which will cause a version number update. Finally, */ /* the modestr parameter indicates if a new file should be generated ('w'), */ /* or append to an existing file ('a'). */ /******************************************************************************/ #ifdef USE_STL void TAtable::dump_table ( char *viewname, char *file_name, int new_version, char *modestr ) #else void TA::dump_table ( char *viewname, char *file_name, int new_version, char *modestr ) #endif { table_loop(viewname,TA) { #ifndef USE_STL TAcurr->dump_row(viewname,file_name,new_version,modestr); #else (*TAcurr)->dump_row(viewname,file_name,new_version,modestr); #endif /* USE_STL */ } } /******************************************************************************/ /* This routine will write-out (dump) a single row that meet the specified */ /* view to the specified file_name. The tbl indicates which table's row */ /* will be dumped. The open_file flag of 1 indicates open a file for dumping */ /* a single row. Otherwise doesn't open file because pr_dump had opened a */ /* file. If the mode of the view is write, the caller is allowed to specify a */ /* new_version flag of 1, which will cause a version number update. Finally, */ /* the modestr parameter indicates if a new file should be generated ('w'), */ /* or append to an existing file ('a'). */ /******************************************************************************/ void TA::dump_row (char *viewname, char *file_name, int new_version, char *modestr ) { char outkey[3][HCG_KEY_SIZE+1]; hcg_key TAid; if (open_file==1) { if ((hcg_dump_fp=fopen(file_name,modestr)) == NULL) { printf("Error: dump_row() cannot open %s using file mode %s\n", file_name,modestr); exit(1); } } #ifdef USE_STL TAid = get_pkid(); #else TAid = RC::get_pkid(); #endif hcg_update_version(&TAid,TA_idx,new_version); decode(outkey[0], &TAid); hcg_update_version(&TTid,TT_idx,new_version); decode(outkey[1], &TTid); PrintCheck(fprintf(hcg_dump_fp, " %-8s %-8s %-30s %-30s %-10s %-4s %-132s\n" , outkey[0], outkey[1], fname, dfltVal, ftype, iskey, comment)); if (open_file==1) fclose(hcg_dump_fp); } #ifdef USE_STL void TA::setParent_TTid(TT *currentRow) { TTid_pp = currentRow; } TT *TA::getParent_TTid() { return TTid_pp; } #endif /* USE_STL */ #ifdef USE_STL /********************************************************************************/ /* Default constructor for TA. */ /********************************************************************************/ TA::TA () { set_pkid(0); /* initialize */ set_TTid(0); set_fname("\0"); set_dfltVal("\0"); set_ftype("\0"); set_iskey("\0"); set_comment("\0"); setParent_TTid(NULL); } #endif #ifdef USE_STL /********************************************************************************/ /* Destructor for TA. */ /********************************************************************************/ TA::~TA () { /* Empty */ } #endif /********************************************************************************/ /* This routine is used to log a call to pr_add to hcg_logfile */ /* The tbl indicates which table is having a row added. */ /* tbl_ptr points to the record to be added. */ /********************************************************************************/ void TA::add_row_log (char *viewname) { char outkey[3][HCG_KEY_SIZE+1]; int idx; hcg_key TAid; /* Return if logging not on */ if (hcg_log != 1) return; find_tbl_idx("TA"); idx=hcg_tbl_idx; /* Write to hcg_logfile based on idx */ #ifdef USE_STL TAid = get_pkid(); #else TAid = RC::get_pkid(); #endif hcg_update_version(&TAid,TA_idx,0); decode(outkey[0], &TAid); hcg_update_version(&TTid,TT_idx,0); decode(outkey[1], &TTid); PrintCheck(fprintf(hcg_logfileptr, " %-8s %-8s %-30s %-30s %-10s %-4s %-132s\n" , outkey[0], outkey[1], fname, dfltVal, ftype, iskey , comment)); } /********************************************************************************/ /* This routine is used to to do the add given the viewname, the tablename */ /* and a string of the additional information */ /********************************************************************************/ void TA::log_do_add_row (char *view, char *theRest, int idx) { hcg_parse(theRest, hcg_t, &idx); encode(hcg_t, &hcg_k); TTid = hcg_k; hcg_parse(theRest, hcg_t, &idx); mystrcpy(fname, hcg_t, 30, 0); hcg_parse(theRest, hcg_t, &idx); mystrcpy(dfltVal, hcg_t, 30, 1); hcg_parse(theRest, hcg_t, &idx); mystrcpy(ftype, hcg_t, 10, 0); hcg_parse(theRest, hcg_t, &idx); mystrcpy(iskey, hcg_t, 4, 0); mystrcpy(comment, theRest+idx, 132, 1); add_row(view); } /********************************************************************************/ /* This routine is used to set the value of an int field. */ /********************************************************************************/ void TA::log_do_set_int_row (const char fieldname[NAMELENGTH+1], const int newval) { } /********************************************************************************/ /* This routine is used to set the value of an float field. */ /********************************************************************************/ void TA::log_do_set_flt_row (const char fieldname[NAMELENGTH+1], const int newval) { } /********************************************************************************/ /* This routine is used to set the value of an key field. */ /********************************************************************************/ void TA::log_do_set_key_row (const char fieldname[NAMELENGTH+1], hcg_key new_key) { if (strcmp(fieldname,"TAid")==0) #ifdef USE_STL set_pkid (new_key); #else RC::set_pkid (new_key); #endif else if (strcmp(fieldname,"TTid")==0) TTid = new_key; } /********************************************************************************/ /* This routine is used to set the value of an string field. */ /********************************************************************************/ void TA::log_do_set_str_row (const char fieldname[NAMELENGTH+1], const char newval[BUFSIZE+1]) { if (strcmp(fieldname,"fname")==0) strcpy(fname,newval); else if (strcmp(fieldname,"ftype")==0) strcpy(ftype,newval); else if (strcmp(fieldname,"iskey")==0) strcpy(iskey,newval); }