//
// $Id: BrDbVolumePlatformMap.cxx,v 1.1 2001/08/03 11:12:38 hagel Exp $
// $Author: hagel $
// $Date: 2001/08/03 11:12:38 $
// $Copyright: 2001 Brahms Collaboration 
//
///////////////////////////////////////////////////////////////////////
//
// BrDbVolumePlatformMap is a class that maps the various brahms detector
// volumes in the geometry db to the platform they are sitting on.  This
// is necessary because detector volumes will be sorted by spectrometer angle 
// and when asking for the angle from the run db, it will be necessary to
// know whether we will sort on the FS angle or the MRS angle.  So the idea
// is to first take the volume requested, extract the platform it is sitting
// on from this table, then request the proper angle from the run db using
// this information.  Finally one can obtain the detector volumes sorted
// by the proper angle from the geometry db.
//
///////////////////////////////////////////////////////////////////////


#include <BrDbVolumePlatformMap.h>
#ifndef BRAT_BrException
#include "BrException.h"
#endif
#ifndef WIN32 
#include <cstdlib>
#include <iostream>
#else 
#include <stdlib.h>
#include <iostream.h>
#endif

ClassImp(BrDbVolumePlatformMap);
 
//____________________________________________________________________
const Char_t* BrDbVolumePlatformMap::kTableName = "VolumePlatformMap";

//____________________________________________________________________
 BrDbVolumePlatformMap::BrDbVolumePlatformMap(void)
{
  // Empty default constructor.
}

//____________________________________________________________________
 BrDbVolumePlatformMap::BrDbVolumePlatformMap(const Char_t *name, 
					     EPlatformType platformType)
{
  // Constructor.
  SetName(name);
  fPlatformType = platformType;
}

//____________________________________________________________________
 BrDbQuery* BrDbVolumePlatformMap::Create(void)
{
  // Returns a SQL query string suitable for creation of this table in
  // a database. 

  return BrDbQuery::Create(BrDbVolumePlatformMap::kTableName,
			  "VolumeName    VARCHAR(64) NOT NULL,
                           platformType  INT         NOT NULL");
}

//____________________________________________________________________
 BrDbVolumePlatformMap* BrDbVolumePlatformMap::SingleInstance(TSQLRow* row)
{
  // Returns an instance of a BrDbVolumePlatformMap. User needs to store this
  // object immediately.
  if (!row) return 0;
  EPlatformType platformType;
  sscanf(row->GetField(2),"%d",&platformType);

  BrDbVolumePlatformMap* vol = new BrDbVolumePlatformMap(
			    row->GetField(1),                //name
			    platformType);                   //platformType

  return vol;
}

//____________________________________________________________________
 TObjArray* BrDbVolumePlatformMap::MultipleInstance(TSQLResult* res)
{
  // Returns an (1D) array of BrDbVolumePlatformMap's matching Query that made
  // the TSQLResult. User need to store this immediately. 
  Int_t count = (res) ? res->GetRowCount() : 0;
  TObjArray* table = new TObjArray(count);

  for (Int_t i = 0; i < count; i++)
    table->Add(BrDbVolumePlatformMap::SingleInstance(res->Next()));
  
  return table;
}

//____________________________________________________________________
 BrDbQuery* BrDbVolumePlatformMap::Insert(void) 
{
  return BrDbQuery::Insert(BrDbVolumePlatformMap::kTableName,
	  Form("%d, '%s', %d", GetDBID(), fName,fPlatformType));
}

//____________________________________________________________________
 void BrDbVolumePlatformMap::SetName(const Char_t *name) {
  //Set the detector name
  Int_t len = strlen(name);
  if(len > 64) len = 64;
  strncpy(fName,name,len);
  fName[len] = 0;
}


//
// $Log: BrDbVolumePlatformMap.cxx,v $
// Revision 1.1  2001/08/03 11:12:38  hagel
// Initial revision
//

Copyright ; 2002 BRAHMS Collaboration <brahmlib@rcf.rhic.bnl.gov>
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