TrigConf::TrigDBLoader Class Reference

Loader of trigger configurations from Json files. More...

#include <TrigDBLoader.h>

Inheritance diagram for TrigConf::TrigDBLoader:

Collaboration diagram for TrigConf::TrigDBLoader:

Public Member Functions
	TrigDBLoader (const std::string &loaderName, const std::string &connection)
	Constructor. More...
virtual	~TrigDBLoader () override
	Destructor - cannot be defined here because QueryDefinition is an incomplete type. More...
size_t	schemaVersion (coral::ISessionProxy *session) const
	access to TriggerDB schema version More...
bool	writeRawFile (const coral::Blob &data, const std::string &outFileName) const
	write data blob into file This can be used to write the DB content to file without going through a ptree More...
void	setLevel (MSGTC::Level lvl)
MSGTC::Level	outputLevel () const
bool	msgLvl (const MSGTC::Level lvl) const
	Test the output level. More...
MsgStreamTC &	msg () const
	The standard message stream. More...
MsgStreamTC &	msg (const MSGTC::Level lvl) const
	The standard message stream. More...

Protected Member Functions
std::unique_ptr< coral::ISessionProxy >	createDBSession () const
	create (if needed) DB session and return the session proxy More...
QueryDefinition	getQueryDefinition (size_t schemaVersion, const std::map< size_t, QueryDefinition > &queries) const
	return query for given schemaVersion from possible queries More...

Private Attributes
std::string	m_connection {"TRIGGERDB"}
int	m_retrialPeriod {0}
int	m_retrialTimeout {0}
int	m_connectionTimeout {0}
boost::thread_specific_ptr< MsgStreamTC >	m_msg_tls
	MsgStreamTC instance (a std::cout like with print-out levels) More...
std::string	m_name

Detailed Description

Loader of trigger configurations from Json files.

Definition at line 33 of file TrigDBLoader.h.

Constructor & Destructor Documentation

TrigDBLoader()

TrigConf::TrigDBLoader::TrigDBLoader	(	const std::string &	loaderName,
		const std::string &	connection
	)

Constructor.

Definition at line 21 of file TrigDBLoader.cxx.

                                                                                             : 
   TrigConfMessaging(loaderName),
   m_connection(connection)
{}

~TrigDBLoader()

TrigConf::TrigDBLoader::~TrigDBLoader ( )

overridevirtualdefault

Destructor - cannot be defined here because QueryDefinition is an incomplete type.

Member Function Documentation

createDBSession()

std::unique_ptr< coral::ISessionProxy > TrigConf::TrigDBLoader::createDBSession ( ) const

protected

create (if needed) DB session and return the session proxy

Definition at line 94 of file TrigDBLoader.cxx.

                                            {
 
   coral::ConnectionService connSvc;
   coral::IConnectionServiceConfiguration& csc = connSvc.configuration();
   csc.setConnectionRetrialPeriod( m_retrialPeriod );
   csc.setConnectionRetrialTimeOut( m_retrialTimeout );
   csc.setConnectionTimeOut( m_connectionTimeout );
 
   /* TODO
   if(csc.replicaSortingAlgorithm() == nullptr) { // likely to be standalone, create our own
      TRG_MSG_INFO("Create own ReplicaSortingAlgorithm");
      m_replicaSorter = new TrigConf::ReplicaSorter();
      csc.setReplicaSortingAlgorithm(*m_replicaSorter);
   }
   */
 
   TRG_MSG_INFO("Connecting to " << m_connection);
 
   auto proxy = std::unique_ptr<coral::ISessionProxy>( connSvc.connect(m_connection, coral::AccessMode::ReadOnly) );
 
   TRG_MSG_INFO("Opened session " << m_connection << " with  retrialPeriod/retrialTimeout/connectionTimeout: " 
                << m_retrialPeriod << "/" << m_retrialTimeout << "/" << m_connectionTimeout);
 
   return proxy;
}

getQueryDefinition()

TrigConf::QueryDefinition TrigConf::TrigDBLoader::getQueryDefinition ( size_t  schemaVersion, const std::map< size_t, QueryDefinition > &  queries  ) const

protected

return query for given schemaVersion from possible queries

Definition at line 122 of file TrigDBLoader.cxx.

{
   // find the largest version key in the map of defined queries that is <= the schemaVersion
   size_t maxDefVersion = 0;
   for(auto & entry : queries) {
      size_t vkey = entry.first;
      if(vkey>maxDefVersion and vkey<=schemaVersion) {
         maxDefVersion = vkey;
      }
   }
   // if nothing found, throw an error
   if( maxDefVersion==0 ) {
      TRG_MSG_ERROR("No query for schema version " << schemaVersion << " defined" );
      throw TrigConf::NoQueryException( "No query available for schema version" + std::to_string(schemaVersion) );
   }
   return queries.at(maxDefVersion);
}

msg() [1/2]

MsgStreamTC & TrigConf::TrigConfMessaging::msg ( ) const

inlineinherited

The standard message stream.

Returns a reference to the message stream May not be invoked before sysInitialize() has been invoked.

Definition at line 81 of file TrigConfMessaging.h.

  {
    MsgStreamTC* ms = m_msg_tls.get();
    if (!ms) {
      ms = new MsgStreamTC(m_name);
      m_msg_tls.reset(ms);
    }
    return *ms;
  }

msg() [2/2]

MsgStreamTC & TrigConf::TrigConfMessaging::msg ( const MSGTC::Level  lvl ) const

inlineinherited

The standard message stream.

Returns a reference to the default message stream May not be invoked before sysInitialize() has been invoked.

Definition at line 91 of file TrigConfMessaging.h.

  {
    return msg() << lvl;
  }

msgLvl()

bool TrigConf::TrigConfMessaging::msgLvl ( const MSGTC::Level  lvl ) const

inlineinherited

Test the output level.

Parameters

lvl	The message level to test against

Returns

boolean Indicting if messages at given level will be printed

Return values

true	Messages at level "lvl" will be printed

Definition at line 70 of file TrigConfMessaging.h.

  {
    if (msg().level() <= lvl) {
      msg() << lvl;
      return true;
    }
    else {
      return false;
    }
  }

outputLevel()

MSGTC::Level TrigConf::TrigDBLoader::outputLevel ( ) const

inline

Definition at line 54 of file TrigDBLoader.h.

{ return msg().level(); }

schemaVersion()

size_t TrigConf::TrigDBLoader::schemaVersion

(

coral::ISessionProxy *

session

)

const

access to TriggerDB schema version

Returns

version of the DB schema (0 - no version, >0 - schema version)

Definition at line 38 of file TrigDBLoader.cxx.

                                                                     {
 
   static const std::string versionTagPrefix("Trigger-Run3-Schema-v");
 
   // if database has no schema version, then we return 0
   if(! session->nominalSchema().existsTable("TRIGGER_SCHEMA") ) {
      throw std::runtime_error( "Trigger schema has no schema version table" );
   }
   
   TrigConf::QueryDefinition qdef;
   // tables
   qdef.addToTableList ( "TRIGGER_SCHEMA" );
   // attributes
   qdef.extendOutput<std::string>( "TS_TAG" );
 
   auto query = qdef.createQuery( session );
   auto & cursor = query->execute();
   if ( ! cursor.next() ) {
      throw std::runtime_error( "Trigger schema has schema version table but it is empty" );
   }
 
   const coral::AttributeList& row = cursor.currentRow();
   std::string versionTag = row["TS_TAG"].data<std::string>();
   if( ! startswith(versionTag, versionTagPrefix)) {
      throw std::runtime_error( "Tag format error: Trigger schema version tag " + versionTag + "does not start with " + versionTagPrefix);      
   }
   
   std::string vstr = versionTag.substr(versionTagPrefix.size()); // the part of the string containing the version
   size_t schemaVersion{0};
   try {
      schemaVersion = std::stoi(vstr);
   }
   catch (const std::invalid_argument& ia) {
      TRG_MSG_ERROR("Invalid argument when interpreting the version part " << vstr << " of schema tag " << versionTag << ". " << ia.what());
      throw;
   }
 
   TRG_MSG_INFO("TriggerDB schema version: " << schemaVersion);
   return schemaVersion;
}

setLevel()

void TrigConf::TrigDBLoader::setLevel ( MSGTC::Level  lvl )

inline

Definition at line 52 of file TrigDBLoader.h.

{ msg().setLevel(lvl); }

writeRawFile()

bool TrigConf::TrigDBLoader::writeRawFile	(	const coral::Blob &	data,
		const std::string &	outFileName
	)		const

write data blob into file This can be used to write the DB content to file without going through a ptree

Definition at line 80 of file TrigDBLoader.cxx.

{
   if( outFileName.empty() ) {
      return true;
   }
   std::ofstream outFile;
   outFile.open( outFileName, std::ofstream::binary );
   outFile.write( static_cast<const char*> ( data.startingAddress()), data.size() );
   outFile.close();
   TRG_MSG_INFO("Wrote file " << outFileName);
   return true;
}

Member Data Documentation

m_connection

std::string TrigConf::TrigDBLoader::m_connection {"TRIGGERDB"}

private

Definition at line 68 of file TrigDBLoader.h.

m_connectionTimeout

int TrigConf::TrigDBLoader::m_connectionTimeout {0}

private

Definition at line 71 of file TrigDBLoader.h.

m_msg_tls

boost::thread_specific_ptr<MsgStreamTC> TrigConf::TrigConfMessaging::m_msg_tls

mutableprivateinherited

MsgStreamTC instance (a std::cout like with print-out levels)

Definition at line 66 of file TrigConfMessaging.h.

m_name

std::string TrigConf::TrigConfMessaging::m_name

privateinherited

Definition at line 67 of file TrigConfMessaging.h.

m_retrialPeriod

int TrigConf::TrigDBLoader::m_retrialPeriod {0}

private

Definition at line 69 of file TrigDBLoader.h.

m_retrialTimeout

int TrigConf::TrigDBLoader::m_retrialTimeout {0}

private

Definition at line 70 of file TrigDBLoader.h.

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The documentation for this class was generated from the following files:

• TrigDBLoader.h
• TrigDBLoader.cxx