Gather conditions data from online DB. More...

#include <HcalDbPoolOCCI.h>

Public Member Functions
bool	getObject (HcalPedestals *fObject, const std::string &fTag, unsigned long fRun)

bool	getObject (HcalGains *fObject, const std::string &fTag, unsigned long fRun)

bool	getObject (HcalElectronicsMap *fObject, const std::string &fTag, unsigned long fRun)

	HcalDbPoolOCCI (const std::string &fDb)

	~HcalDbPoolOCCI ()

Private Member Functions
std::string	getDataToken (const std::string &fIov, unsigned long fRun)

std::string	getMetadataToken (const std::string &fTag)

template<class T , class S >
bool	getObjectGeneric (T fObject, S fCondObject, const std::string &fTag, unsigned long fRun)

Private Attributes
oracle::occi::Connection *	mConnect

oracle::occi::Environment *	mEnvironment

oracle::occi::Statement *	mStatement

Detailed Description

Gather conditions data from online DB.

Author: Fedor Ratnikov

Definition at line 33 of file HcalDbPoolOCCI.h.

Constructor & Destructor Documentation

HcalDbPoolOCCI::HcalDbPoolOCCI ( const std::string & fDb )

Definition at line 39 of file HcalDbPoolOCCI.cc.

References dtNoiseDBValidation_cfg::cerr, query::host, mConnect, mEnvironment, mStatement, AlCaHLTBitMon_QueryRunRegistry::string, and hcal_dqm_sourceclient-file_cfg::user.

   : mConnect (0)
 {
   mEnvironment = oracle::occi::Environment::createEnvironment (oracle::occi::Environment::OBJECT);
   // decode connect string
   size_t ipass = fDb.find ('/');
   size_t ihost = fDb.find ('@');
   
   if (ipass == std::string::npos || ihost == std::string::npos) {
     std::cerr << "HcalDbPoolOCCI::HcalDbPoolOCCI-> Error in connection string format: " << fDb
           << " Expect user/password@db" << std::endl;
   }
   else {
     std::string user (fDb, 0, ipass);
     std::string pass (fDb, ipass+1, ihost-ipass-1);
     std::string host (fDb, ihost+1);
     //     if (debug) std::cout << "HcalDbPoolOCCI::HcalDbPoolOCCI-> Connecting " << user << '/' << pass << '@' << host << std::endl;
     try {
       mConnect = mEnvironment->createConnection(user, pass, host);
       mStatement = mConnect->createStatement ();
     }
     catch (oracle::occi::SQLException& sqlExcp) {
       std::cerr << "HcalDbPoolOCCI::HcalDbPoolOCCI exception-> " << sqlExcp.getErrorCode () << ": " << sqlExcp.what () << std::endl;
     }
   }
 }

HcalDbPoolOCCI::~HcalDbPoolOCCI ( )

Definition at line 66 of file HcalDbPoolOCCI.cc.

References mConnect, mEnvironment, and mStatement.

                                  {
   delete mStatement;
   mEnvironment->terminateConnection (mConnect);
   oracle::occi::Environment::terminateEnvironment (mEnvironment);
 }

Member Function Documentation

std::string HcalDbPoolOCCI::getDataToken	(	const std::string &	fIov,
		unsigned long	fRun
	)

private

Definition at line 112 of file HcalDbPoolOCCI.cc.

References dtNoiseDBValidation_cfg::cerr, gather_cfg::cout, debug, mStatement, query::result, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by getObjectGeneric().

                                                                                  {
   std::string result = "";
   long iovId = getObjectId (fIov);
   if (iovId >= 0) {
     char sql_query [1024];
     sprintf (sql_query, "select IOV_IOV_UNSIGNED_LONG, IOV_IOV_STRING from COND__IOV_IOV where ID_ID = %ld ORDER BY IOV_IOV_UNSIGNED_LONG DESC", iovId);
     try {
        if (debug) std::cout << "executing query: \n" << sql_query << std::endl;
       mStatement->setPrefetchRowCount (100);
       mStatement->setSQL (std::string (sql_query));
       oracle::occi::ResultSet* rset = mStatement->executeQuery ();
       while (rset->next ()) {
     unsigned long runMax = rset->getUInt (1);
     std::string token = rset->getString (2);
     if (fRun <= runMax) {
       result = token;
       break;
     }
       }
       delete rset;
     }
     catch (oracle::occi::SQLException& sqlExcp) {
       std::cerr << "HcalDbPoolOCCI::getDataToken exception-> " << sqlExcp.getErrorCode () << ": " << sqlExcp.what () << std::endl;
     }
   }
   return result;
 }

std::string HcalDbPoolOCCI::getMetadataToken ( const std::string & fTag )

private

Definition at line 88 of file HcalDbPoolOCCI.cc.

References dtNoiseDBValidation_cfg::cerr, gather_cfg::cout, debug, mStatement, mergeVDriftHistosByStation::name, query::result, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by getObjectGeneric().

                                                                  {
   std::string result = "";
   std::string sql_query = "select * from metadata";
   try {
      if (debug) std::cout << "executing query: \n" << sql_query << std::endl;
     mStatement->setPrefetchRowCount (100);
     mStatement->setSQL (sql_query);
     oracle::occi::ResultSet* rset = mStatement->executeQuery ();
     while (rset->next ()) {
       std::string name = rset->getString (1);
       std::string token = rset->getString (2);
       if (name == fTag) {
     result = token;
     break;
       }
     }
     delete rset;
   }
   catch (oracle::occi::SQLException& sqlExcp) {
     std::cerr << "HcalDbPoolOCCI::getMetadataToken exception-> " << sqlExcp.getErrorCode () << ": " << sqlExcp.what () << std::endl;
   }
   return result;
 }

bool HcalDbPoolOCCI::getObject	(	HcalPedestals *	fObject,
		const std::string &	fTag,
		unsigned long	fRun
	)

Definition at line 72 of file HcalDbPoolOCCI.cc.

References getObjectGeneric().

                                                                                                  {
   HcalPedestal* myped(0);
   return getObjectGeneric (fObject, myped, fTag, fRun);
 }

bool HcalDbPoolOCCI::getObject	(	HcalGains *	fObject,
		const std::string &	fTag,
		unsigned long	fRun
	)

Definition at line 77 of file HcalDbPoolOCCI.cc.

References getObjectGeneric().

                                                                                              {
   HcalGain* mygain(0);
   return getObjectGeneric (fObject, mygain, fTag, fRun);
 }

bool HcalDbPoolOCCI::getObject	(	HcalElectronicsMap *	fObject,
		const std::string &	fTag,
		unsigned long	fRun
	)

Definition at line 82 of file HcalDbPoolOCCI.cc.

                                                                                                       {
   return false;
 }

template<class T , class S >

bool HcalDbPoolOCCI::getObjectGeneric	(	T *	fObject,
		S *	fCondObject,
		const std::string &	fTag,
		unsigned long	fRun
	)

private

Definition at line 141 of file HcalDbPoolOCCI.cc.

References dtNoiseDBValidation_cfg::cerr, gather_cfg::cout, debug, getDataToken(), getMetadataToken(), i, mStatement, mergeVDriftHistosByStation::name, S(), AlCaHLTBitMon_QueryRunRegistry::string, and makeHLTPrescaleTable::values.

Referenced by getObject().

                                                                                                             {
   std::string mdToken = getMetadataToken (fTag);
    if (debug) std::cout << "HcalDbPoolOCCI::getObjectGeneric-> tag/token: " << fTag << '/' << mdToken << std::endl;
   if (mdToken.empty ()) return false;
   std::string objToken = getDataToken (mdToken, fRun);
    if (debug) std::cout << "HcalDbPoolOCCI::getObjectGeneric-> Run/token: " << fRun << '/' << objToken << std::endl;
   if (objToken.empty ()) return false;
   long id = getObjectId (objToken);
   if (id >= 0) {
     char sql_query [1024];
     const char* name = getTable (fObject);
     sprintf (sql_query, "select MITEMS_%s_MID, MITEMS_%s_MVALUE1, MITEMS_%s_MVALUE2, MITEMS_%s_MVALUE3, MITEMS_%s_MVALUE4 from %sS_MITEMS where ID_ID = %ld ORDER BY MITEMS_%s_MID",
          name, name, name, name, name, name, id, name);
     try {
        if (debug) std::cout << "executing query: \n" << sql_query << std::endl;
       mStatement->setPrefetchRowCount (100);
       mStatement->setSQL (sql_query);
       oracle::occi::ResultSet* rset = mStatement->executeQuery ();
       while (rset->next ()) {
     unsigned long hcalId = rset->getUInt (1);
     float values [4];
     for (int i = 0; i < 4; i++) values [i] = rset->getFloat (i+2);
 
     fCondObject = new S(DetId (hcalId), values[0], values[1], values[2], values[3]);
     fObject->addValues (*fCondObject);
     delete fCondObject;
     //   if (debug) std::cout << "new entry: " << hcalId << '/' << values [0] << '/' << values [1] << '/' 
     //    << values [2] << '/' << values [3] << std::endl;
       }
       delete rset;
       return true;
     }
     catch (oracle::occi::SQLException& sqlExcp) {
       std::cerr << "HcalDbPoolOCCI::getObjectn exception-> " << sqlExcp.getErrorCode () << ": " << sqlExcp.what () << std::endl;
     }
   }
   return false;
 }