/******************************************************************************/
/* File           : VVops.cc                                                   */
/* Schema         : bdeschema.sch                                              */
/* GENCPP Version : Chgen V 12 - Sathya                                        */
/******************************************************************************/

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#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 *VVtable::getAbbrev()
{
  return abbrev;
}

/******************************************************************************/
/* This routine returns table name.                                           */
/******************************************************************************/
char *VVtable::getName()
{
  return name;
}

/******************************************************************************/
/* This routine returns number of rows in the table.                           */
/******************************************************************************/
unsigned int VVtable::getRowCount()
{
  return row.size();
}

/******************************************************************************/
/* This routine returns an iterator to the first row in the table.            */
/******************************************************************************/
list<VV*>::iterator VVtable::getFirstRow()
{
  return row.begin();
}
/******************************************************************************/
/* This routine returns the last row in the table.                            */
/******************************************************************************/
VV *VVtable::getLastRow()
{
  VV *retval;
  list<VV *>::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<VV*>::iterator VVtable::Terminator()
{
  return row.end();
}

bool VVtable::isFirstRow(VV* curr)
{
  return(curr != NULL && curr != (*getFirstRow()));
}

bool VVtable::isLastRow(VV* curr)
{
  return(curr != NULL && curr != getLastRow());
}
#endif /* ifdef USE_STL */

#ifdef USE_STL
/******************************************************************************/
/* This routine inserts a row into the table.                                 */
/******************************************************************************/
void VVtable::insertRow(VV *newRow)
{
  list<VV*>::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<VV*>::iterator VVtable::removeRow(list<VV*>::iterator i)
{
  VV *tmpRow = (*i);

  return row.erase(i);
}
#endif

#ifdef USE_STL
/******************************************************************************/
/* Constructor for table class.                                               */
/******************************************************************************/
VVtable::VVtable(char *newAbbrev, char *newName)
{
  strcpy(abbrev, newAbbrev);
  name = new char[sizeof( newName )];
  strcpy(name, newName);
}
#endif

#ifdef USE_STL
/******************************************************************************/
/* Table destructor.                                                          */
/******************************************************************************/
VVtable::~VVtable()
{
  VV *currRow;
  list<VV*>::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 VV::set_SVid (hcg_key value)
{
char log_text[BUFSIZE];
char temp_key[HCG_KEY_SIZE+1];
char temp_fkey[HCG_KEY_SIZE+1];
hcg_key VVid;

    logwait();
    if (get_RFLAG()==1 && hcg_log ==1 )
    {
       fprintf( hcg_logfileptr, "SET_KEY %s %s %s\n",
              decode_retstr( (hcg_key*)(get_pkid()) ), "SVid", decode_retstr(&value) );
    }
    SVid = value ; 
    VVid = RC::get_pkid();
    decode(temp_key, &VVid);
    decode(temp_fkey, &value);
    sprintf(log_text,"PR_SET_KEY %s SVid %s\n",temp_key, temp_fkey);
    logstr(log_text);

}

/******************************************************************************/
/* This routine is used to set value to a data member.                          */
/******************************************************************************/
void VV::set_vname (char  *value)
{
char log_text[BUFSIZE];
char temp_key[HCG_KEY_SIZE+1];
hcg_key VVid;

    logwait();

    if ( strlen(value) >= sizeof(vname) )
       fprintf(stderr, "Warning: field vname in class VV 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()) ),"vname", (value) );
    }
    strncpy(vname, value, sizeof(vname)) ; 
    VVid = RC::get_pkid();
    decode(temp_key, &VVid);
    sprintf(log_text,"PR_SET_STR %s vname %s\n",temp_key, value);
    logstr(log_text);

}

/******************************************************************************/
/* This routine is used to set value to a data member.                          */
/******************************************************************************/
void VV::set_mode (char  *value)
{
char log_text[BUFSIZE];
char temp_key[HCG_KEY_SIZE+1];
hcg_key VVid;

    logwait();

    if ( strlen(value) >= sizeof(mode) )
       fprintf(stderr, "Warning: field mode in class VV 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()) ),"mode", (value) );
    }
    strncpy(mode, value, sizeof(mode)) ; 
    VVid = RC::get_pkid();
    decode(temp_key, &VVid);
    sprintf(log_text,"PR_SET_STR %s mode %s\n",temp_key, value);
    logstr(log_text);

}

/******************************************************************************/
/* This routine is used to set value to a data member.                          */
/******************************************************************************/
void VV::set_num_tables (int value)
{
char log_text[BUFSIZE];
char temp_key[HCG_KEY_SIZE+1];
hcg_key VVid;

    logwait();
    if (get_RFLAG()==1 && hcg_log ==1 )
    {
       fprintf( hcg_logfileptr, "SET_INT %s %s %d\n",
              decode_retstr( (hcg_key*)(get_pkid()) ),"num_tables", (value) );
    }
    num_tables = value ; 
#ifdef USE_STL
    VVid = get_pkid();
#else
    VVid = RC::get_pkid();
#endif
    decode(temp_key, &VVid);
    sprintf(log_text,"PR_SET_INT %s num_tables %d\n",temp_key, value);
    logstr(log_text);

}

/******************************************************************************/
/* This routine is used to get value from a data member.                      */
/******************************************************************************/
hcg_key VV::get_SVid ()
{
    return SVid; 
}

/******************************************************************************/
/* This routine is used to get value from a data member.                      */
/******************************************************************************/
char* VV::get_vname ()
{
    return vname; 
}

/******************************************************************************/
/* This routine is used to get value from a data member.                      */
/******************************************************************************/
char* VV::get_mode ()
{
    return mode; 
}

/******************************************************************************/
/* This routine is used to get value from a data member.                      */
/******************************************************************************/
int VV::get_num_tables ()
{
    return num_tables; 
}

#ifndef USE_STL
VV* VV::create_row()
{
  VV  *VVtmp;

  VVtmp = new VV;

  VVtmp->set_pkid(0);

  VVtmp->set_SVid(0);
  VVtmp->set_vname("\0");
  VVtmp->set_mode("\0");
  VVtmp->set_num_tables(0);

  VVtmp->next_ptr  = NULL;
  VVtmp->prev_ptr  = NULL;

  VVtmp->SVid_pp   = NULL;
  VVtmp->SVid_fpp  = NULL;
  VVtmp->SVid_bpp  = NULL;

  VVtmp->TSid_fcp = NULL;
  VVtmp->TSid_bcp = NULL;

  return VVtmp;
}

#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 VV::add_row (char *viewname)
{
char error_table[HCG_ABBR_SIZE+1];
char tempkey[HCG_KEY_SIZE+1];
hcg_key VVid;
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("VV"))
	{
	   strncpy_null(error_table, "VV", 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
	VVelt = this;
#endif
	pr_gen_pkey(viewname,VV,VVid);
#ifdef USE_STL
	set_pkid(VVid);
#else
	RC::set_pkid(VVid);
#endif
#ifndef USE_STL
	pr_check_fkey(VV,VVelt,SVid,SV,SVid,SVelt);
#else
	pr_check_fkey(VV,this,SVid,SV,SVid,SVelt);
#endif
	pr_check_str (VV,VVelt,vname,30);
	pr_check_str (VV,VVelt,mode,2);
	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 VV::link_row()
{
 hcg_key VVid;

#ifndef USE_STL
	insert_element(VV);
#else
VVtab->insertRow(this);
#endif /* USE_STL */

	link_child_bp_m(TS,VV,VVid,VVid,VVid,TSid);
	link_parent_bp_m(VV,SV,SVid,SVid,SVid,VVid);
}

/******************************************************************************/
/* 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 VV::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);
	SVid = hcg_k;
	hcg_parse(buffer,hcg_t,&idx);
	mystrcpy(vname,hcg_t,30,1);
	hcg_parse(buffer,hcg_t,&idx);
	mystrcpy(mode,hcg_t,2,0);
	hcg_parse(buffer,hcg_t,&idx);
	set_num_tables(atoi(hcg_t));
}

/******************************************************************************/
/* 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<VV*>::iterator VV::delete_row (list<VV*>::iterator rowIter)
#else
void VV::delete_row ()
#endif
{
 static char rcsid[] = "$Id";
 char temp_key[HCG_KEY_SIZE+1];
 hcg_key VVid;

char log_text[BUFSIZE];

	logwait();


	unlink_child_bp_m(TS,VV,VVid,TSid);
#ifdef USE_STL 
	VVcurr = rowIter;
#endif
	unlink_parent_bp_m(VV,SV,SVid,VVid);
	#ifdef DEBUG
#ifdef USE_STL
		VVid = get_pkid();
#else
		VVid = RC::get_pkid();
#endif
		decode(temp_key, &VVid);
		printf("The primary key deleted is %s\n",temp_key);
	#endif
#ifdef USE_STL
	rowIter = VVtab->removeRow(rowIter);
	delete this;
#else
	del_row(VV);
#endif

	/* The following is to support logging */
#ifdef USE_STL
	VVid = get_pkid();
#else
	VVid = RC::get_pkid();
#endif
	decode(temp_key, &VVid);
	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 VVtable::dump_table ( char *viewname, char *file_name, int new_version, char *modestr )
#else
void VV::dump_table ( char *viewname, char *file_name, int new_version, char *modestr )
#endif
{
	table_loop(viewname,VV)
	{
#ifndef USE_STL
		VVcurr->dump_row(viewname,file_name,new_version,modestr); 
#else
		(*VVcurr)->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 VV::dump_row (char *viewname, char *file_name, int new_version, char *modestr )
{
char outkey[3][HCG_KEY_SIZE+1];
hcg_key VVid;
	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
	VVid = get_pkid();
#else
	VVid = RC::get_pkid();
#endif
	hcg_update_version(&VVid,VV_idx,new_version);
	decode(outkey[0], &VVid);
	hcg_update_version(&SVid,SV_idx,new_version);
	decode(outkey[1], &SVid);
	PrintCheck(fprintf(hcg_dump_fp, " %-8s %-8s %-30s %-2s %8d\n"
					, outkey[0], outkey[1], vname, mode, num_tables));
	if (open_file==1)
		fclose(hcg_dump_fp);
}

#ifdef USE_STL
void VV::insertChild_TSid(TS *childRow)
{
  TSid_children.push_back(childRow);
}

void VV::removeChild_TSid(list<TS*>::iterator rowIter)
{
  TSid_children.remove((*rowIter));
}

list<TS*>::iterator VV::getFirstChild_TSid()
{
  return TSid_children.begin();
}

list<TS*>::iterator VV::getLastChild_TSid()
{
  list<TS*>::iterator iter;

  iter = TSid_children.end();
  if (!TSid_children.empty())
    iter--;
  return iter;
}

list<TS*>::iterator VV::TSid_Terminator()
{
  return TSid_children.end();
}
#endif /* USE_STL */
#ifdef USE_STL
void VV::setParent_SVid(SV *currentRow)
{
  SVid_pp = currentRow;
}

SV *VV::getParent_SVid()
{
  return SVid_pp;
}
#endif /* USE_STL */

#ifdef USE_STL

/********************************************************************************/
/* Default constructor for VV.                                                  */
/********************************************************************************/
VV::VV ()
{
  set_pkid(0); /* initialize */
  set_SVid(0);
  set_vname("\0");
  set_mode("\0");
  set_num_tables(0);
  setParent_SVid(NULL);
}
#endif
#ifdef USE_STL

/********************************************************************************/
  /* Destructor for VV.                                                           */
/********************************************************************************/
VV::~VV ()
{
/* 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 VV::add_row_log (char *viewname)
{
char    outkey[3][HCG_KEY_SIZE+1];
int     idx;

hcg_key VVid;

	/* Return if logging not on */
	if (hcg_log != 1)
		return;

	find_tbl_idx("VV");
	idx=hcg_tbl_idx;

	/*   Write to hcg_logfile based on idx  */

#ifdef USE_STL
	VVid = get_pkid();
#else
	VVid = RC::get_pkid();
#endif
	hcg_update_version(&VVid,VV_idx,0);
	decode(outkey[0], &VVid);
	hcg_update_version(&SVid,SV_idx,0);
	decode(outkey[1], &SVid);
	PrintCheck(fprintf(hcg_logfileptr, " %-8s %-8s %-30s %-2s %8d\n"
			, outkey[0], outkey[1], vname, mode, num_tables));
}

/********************************************************************************/
/* This routine is used to to do the add given the viewname, the tablename      */
/* and a string of the additional information                                   */
/********************************************************************************/
void VV::log_do_add_row (char *view, char *theRest, int idx)
{
	hcg_parse(theRest, hcg_t, &idx);
	encode(hcg_t, &hcg_k);
	SVid = hcg_k;
	hcg_parse(theRest, hcg_t, &idx);
	mystrcpy(vname, hcg_t, 30, 1);
	hcg_parse(theRest, hcg_t, &idx);
	mystrcpy(mode, hcg_t, 2, 0);
	hcg_parse(theRest, hcg_t, &idx);
	num_tables = (atoi(hcg_t));
	add_row(view);
}

/********************************************************************************/
/* This routine is used to set the value of an int field.                       */
/********************************************************************************/
void VV::log_do_set_int_row (const char fieldname[NAMELENGTH+1], const int newval)
{
      if(strcmp(fieldname,"num_tables")==0)
        num_tables = newval;
}

/********************************************************************************/
/* This routine is used to set the value of an float field.                     */
/********************************************************************************/
void VV::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 VV::log_do_set_key_row (const char fieldname[NAMELENGTH+1], hcg_key new_key)
{
          if (strcmp(fieldname,"VVid")==0)
#ifdef USE_STL
             set_pkid (new_key);
#else
             RC::set_pkid (new_key);
#endif
          else
          if (strcmp(fieldname,"SVid")==0)
             SVid = new_key;
}

/********************************************************************************/
/* This routine is used to set the value of an string field.                    */
/********************************************************************************/
void VV::log_do_set_str_row (const char fieldname[NAMELENGTH+1], const char newval[BUFSIZE+1])
{
      if (strcmp(fieldname,"mode")==0)
         strcpy(mode,newval);
}