ReadBeamInfFromDb Class Reference

#include <ReadBeamInfFromDb.h>

List of all members.

Public Member Functions
	ReadBeamInfFromDb ()
	~ReadBeamInfFromDb ()
bool	isRunValid (int run)
double	getbeamE (int run)
	ReadBeamInfFromDb ()
	~ReadBeamInfFromDb ()
bool	isRunValid (int run)
double	getbeamE (int run, double defaultbeamE)
CLHEP::Hep3Vector	getbeta ()
bool	setcalib (bool calib)
Private Member Functions
MYSQL *	OpenDb () const
void	ReadDb (int run)
void	CloseDb (MYSQL *mysql) const
MYSQL *	OpenDb () const
double	ReadDb (int run)
void	CloseDb (MYSQL *mysql) const
Private Attributes
int	m_run
bool	m_isRunValid
double	m_beamE
IDatabaseSvc *	m_dbsvc
bool	m_usecbE
CLHEP::Hep3Vector	m_beta

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Detailed Description

Definition at line 9 of file ReadBeamInfFromDb.h.

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Constructor & Destructor Documentation

ReadBeamInfFromDb::ReadBeamInfFromDb

(

)

Definition at line 5 of file ReadBeamInfFromDb.cxx.

                                     :
  m_run(-1),
  m_isRunValid(false),
  m_beamE(0){
  }

ReadBeamInfFromDb::~ReadBeamInfFromDb

(

)

[inline]

Definition at line 14 of file ReadBeamInfFromDb.h.

{}

ReadBeamInfFromDb::ReadBeamInfFromDb

(

)

ReadBeamInfFromDb::~ReadBeamInfFromDb

(

)

[inline]

Definition at line 15 of file ReadBeamInfFromDb.h.

{}

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Member Function Documentation

void ReadBeamInfFromDb::CloseDb

(

MYSQL *

mysql

)

const [private]

void ReadBeamInfFromDb::CloseDb

(

MYSQL *

mysql

)

const [private]

Definition at line 32 of file ReadBeamInfFromDb.cxx.

Referenced by ReadDb().

                                                  {
  mysql_close(mysql);
}

double ReadBeamInfFromDb::getbeamE	(	int	run,
		double	defaultbeamE
	)

Definition at line 153 of file ReadBeamInfFromDb.cxx.

References isRunValid(), and m_beamE.

                                                              {
  int absrun=fabs(run);
  
  if (!isRunValid(absrun)){
    return defaultbeamE;
    fprintf(stderr, "ERROR in ReadBeamInfFromDb: runNo is invalid!\n");
  }
  return m_beamE;
}

double ReadBeamInfFromDb::getbeamE

(

int

run

)

Definition at line 84 of file ReadBeamInfFromDb.cxx.

References isRunValid(), and m_beamE.

Referenced by NeutralDReconstruction::execute(), DsReconstruction::execute(), ChargedDReconstruction::execute(), and DQADtag::execute().

                                         {
  if (!isRunValid(run)){
    fprintf(stderr, "ERROR in ReadBeamInfFromDb: runNo is invalid!\n");
  }
  return m_beamE;
}

CLHEP::Hep3Vector ReadBeamInfFromDb::getbeta

(

)

[inline]

Definition at line 19 of file ReadBeamInfFromDb.h.

References m_beta.

Referenced by NeutralDReconstruction::execute(), DsReconstruction::execute(), and ChargedDReconstruction::execute().

{return m_beta;}

bool ReadBeamInfFromDb::isRunValid

(

int

run

)

bool ReadBeamInfFromDb::isRunValid

(

int

run

)

Definition at line 75 of file ReadBeamInfFromDb.cxx.

References m_isRunValid, m_run, and ReadDb().

Referenced by DQADtag::execute(), and getbeamE().

                                          {
  if (run == -1 || m_run != run) {
    ReadDb(run);
  }

  return m_isRunValid;
}

MYSQL* ReadBeamInfFromDb::OpenDb

(

)

const [private]

MYSQL * ReadBeamInfFromDb::OpenDb

(

)

const [private]

Definition at line 11 of file ReadBeamInfFromDb.cxx.

Referenced by ReadDb().

                                       {
  
  const char host[]     = "bes3db2.ihep.ac.cn";
  const char user[]     = "guest";
  const char passwd[]   = "guestpass";
  const char db[]       = "run";
  unsigned int port_num = 3306;

  MYSQL* mysql = mysql_init(NULL);
  mysql = mysql_real_connect(mysql, host, user, passwd, db, port_num,
                             NULL,  // socket
                             0);    // client_flag

  if (mysql == NULL) {
    fprintf(stderr, "can not open database: offlinedb\n");
  }

  return mysql;
}

double ReadBeamInfFromDb::ReadDb

(

int

run

)

[private]

double ReadBeamInfFromDb::ReadDb

(

int

run

)

[private]

Definition at line 37 of file ReadBeamInfFromDb.cxx.

References CloseDb(), m_beamE, m_isRunValid, m_run, and OpenDb().

Referenced by isRunValid().

                                     {
  
  m_run=run;
  m_isRunValid = false;
  
  MYSQL* mysql=OpenDb();
  
  char stmt[1024];
  snprintf(stmt, 1024,
           "select BER_PRB, BPR_PRB "
          "from RunParams where run_number = %d", run);
  if (mysql_real_query(mysql, stmt, strlen(stmt))) {
    fprintf(stderr, "query error\n");
    return ;
  }
  
  
  MYSQL_RES* result_set = mysql_store_result(mysql);
  MYSQL_ROW row = mysql_fetch_row(result_set);
  if (!row) {
    fprintf(stderr, "cannot find data for RunNo %d\n", run);
    return ;
  }
  
  m_isRunValid = true;

  double E_E=0, E_P=0;
  sscanf(row[0], "%lf", &E_E);
  sscanf(row[1], "%lf", &E_P);
  
  m_beamE=(E_E+E_P)/2.0;
  
  // Free the memory to prevent memory leak!
  mysql_free_result(result_set);
  
  CloseDb(mysql);
}

bool ReadBeamInfFromDb::setcalib

(

bool

calib

)

[inline]

Definition at line 20 of file ReadBeamInfFromDb.h.

References m_usecbE.

Referenced by NeutralDReconstruction::execute(), DsReconstruction::execute(), and ChargedDReconstruction::execute().

{m_usecbE=calib;}

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Member Data Documentation

double ReadBeamInfFromDb::m_beamE [private]

Definition at line 27 of file ReadBeamInfFromDb.h.

Referenced by getbeamE(), and ReadDb().

CLHEP::Hep3Vector ReadBeamInfFromDb::m_beta [private]

Definition at line 32 of file ReadBeamInfFromDb.h.

Referenced by getbeta().

IDatabaseSvc* ReadBeamInfFromDb::m_dbsvc [private]

Definition at line 27 of file ReadBeamInfFromDb.h.

bool ReadBeamInfFromDb::m_isRunValid [private]

Definition at line 26 of file ReadBeamInfFromDb.h.

Referenced by isRunValid(), and ReadDb().

int ReadBeamInfFromDb::m_run [private]

Definition at line 25 of file ReadBeamInfFromDb.h.

Referenced by isRunValid(), and ReadDb().

bool ReadBeamInfFromDb::m_usecbE [private]

Definition at line 31 of file ReadBeamInfFromDb.h.

Referenced by setcalib().

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