#include <CondDBESSource.h>

Inheritance diagram for CondDBESSource:

Classes
struct	Stats
Public Types
typedef std::multimap < std::string, ProxyP >	ProxyMap
typedef boost::shared_ptr < cond::DataProxyWrapperBase >	ProxyP
enum	RefreshPolicy { NOREFRESH, REFRESH_ALWAYS, REFRESH_OPEN_IOVS, REFRESH_EACH_RUN, RECONNECT_EACH_RUN }
Public Member Functions
	CondDBESSource (const edm::ParameterSet &)
	~CondDBESSource ()
Protected Member Functions
virtual void	newInterval (const edm::eventsetup::EventSetupRecordKey &iRecordType, const edm::ValidityInterval &iInterval)
	called when a new interval of validity occurs for iRecordType
virtual void	registerProxies (const edm::eventsetup::EventSetupRecordKey &iRecordKey, KeyedProxies &aProxyList)
virtual void	setIntervalFor (const edm::eventsetup::EventSetupRecordKey &, const edm::IOVSyncValue &, edm::ValidityInterval &)
Private Types
typedef std::map< std::string, cond::TagMetadata >	TagCollection
Private Member Functions
void	fillTagCollectionFromDB (const std::string &coraldb, const std::string &prefix, const std::string &postfix, const std::string &roottag, std::map< std::string, cond::TagMetadata > &replacement)
Private Attributes
cond::DbConnection	m_connection
bool	m_doDump
unsigned int	m_lastLumi
std::map< std::string, unsigned int >	m_lastRecordRuns
unsigned int	m_lastRun
RefreshPolicy	m_policy
ProxyMap	m_proxies
std::map< std::string, std::pair< cond::DbSession, std::string > >	m_sessionPool
Stats	m_stats
TagCollection	m_tagCollection

Detailed Description

Definition at line 34 of file CondDBESSource.h.

Member Typedef Documentation

typedef std::multimap< std::string, ProxyP> CondDBESSource::ProxyMap

Definition at line 38 of file CondDBESSource.h.

typedef boost::shared_ptr<cond::DataProxyWrapperBase > CondDBESSource::ProxyP

Definition at line 37 of file CondDBESSource.h.

typedef std::map< std::string, cond::TagMetadata > CondDBESSource::TagCollection [private]

Definition at line 65 of file CondDBESSource.h.

Member Enumeration Documentation

enum CondDBESSource::RefreshPolicy

Enumerator:

NOREFRESH
REFRESH_ALWAYS
REFRESH_OPEN_IOVS
REFRESH_EACH_RUN
RECONNECT_EACH_RUN

Definition at line 40 of file CondDBESSource.h.

{ NOREFRESH, REFRESH_ALWAYS, REFRESH_OPEN_IOVS, REFRESH_EACH_RUN, RECONNECT_EACH_RUN } RefreshPolicy;

Constructor & Destructor Documentation

CondDBESSource::CondDBESSource ( const edm::ParameterSet & iConfig ) [explicit]

required by eventsetup

Definition at line 110 of file CondDBESSource.cc.

References b, cond::DbConnection::configuration(), cond::DbConnection::configure(), cond::DbConnection::createSession(), alignCSCRings::e, edm::ParameterSet::exists(), fillTagCollectionFromDB(), edm::EventSetupRecordIntervalFinder::findingRecordWithKey(), edm::eventsetup::heterocontainer::HCTypeTag::findType(), reco::get(), edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), align_cfg::globaltag, cond::TagMetadata::labelname, m_connection, m_policy, m_proxies, m_stats, m_tagCollection, CondDBESSource::Stats::nData, cond::DbSession::openReadOnly(), cond::TagMetadata::pfn, tests::test_CacheProxy::proxy, RECONNECT_EACH_RUN, cond::TagMetadata::recordname, REFRESH_ALWAYS, REFRESH_EACH_RUN, REFRESH_OPEN_IOVS, alignCSCRings::s, AlCaHLTBitMon_QueryRunRegistry::string, cond::TagMetadata::tag, convertSQLitetoXML_cfg::toGet, edm::eventsetup::EventSetupRecordKey::type(), and edm::eventsetup::DataProxyProvider::usingRecordWithKey().

                                                               :
  m_connection(), 
  m_lastRun(0),  // for the stat
  m_lastLumi(0),  // for the stat
  m_policy( NOREFRESH ),
  m_doDump( iConfig.getUntrackedParameter<bool>( "DumpStat", false ) )
{
  if( iConfig.getUntrackedParameter<bool>( "RefreshAlways", false ) ) {
    m_policy = REFRESH_ALWAYS;
  }
  if( iConfig.getUntrackedParameter<bool>( "RefreshOpenIOVs", false ) ) {
    m_policy = REFRESH_OPEN_IOVS;
  }
  if( iConfig.getUntrackedParameter<bool>( "RefreshEachRun", false ) ) {
    m_policy = REFRESH_EACH_RUN;
  }
  if( iConfig.getUntrackedParameter<bool>( "ReconnectEachRun", false ) ) {
    m_policy = RECONNECT_EACH_RUN;
  }

  Stats s = {0,0,0,0,0,0,0,0};
  m_stats = s;  
  //std::cout<<"CondDBESSource::CondDBESSource"<<std::endl;
  /*parameter set parsing and pool environment setting
   */
  
  // default connection string
  // inproduction used for the global tag
  std::string userconnect= iConfig.getParameter<std::string>("connect");
  

  // connection configuration
  edm::ParameterSet connectionPset = iConfig.getParameter<edm::ParameterSet>( "DBParameters" );
  m_connection.configuration().setParameters( connectionPset );
  m_connection.configure();
  

  // load additional record/tag info it will overwrite the global tag
  std::map<std::string,cond::TagMetadata> replacement;
  if( iConfig.exists( "toGet" ) ) {
    typedef std::vector< edm::ParameterSet > Parameters;
    Parameters toGet = iConfig.getParameter<Parameters>( "toGet" );
    for( Parameters::iterator itToGet = toGet.begin(); itToGet != toGet.end(); ++itToGet ) {
      cond::TagMetadata nm;
      nm.recordname = itToGet->getParameter<std::string>( "record" );
      nm.labelname = itToGet->getUntrackedParameter<std::string>( "label", "" );
      nm.tag = itToGet->getParameter<std::string>( "tag" );
      nm.pfn = itToGet->getUntrackedParameter<std::string>( "connect", userconnect );
      //        nm.objectname=itFound->second;
      std::string recordLabelKey = joinRecordAndLabel( nm.recordname, nm.labelname );
      replacement.insert( std::pair<std::string,cond::TagMetadata>( recordLabelKey, nm ) );
    }
  }
  
  // get the global tag, merge with "replacement" store in "tagCollection"
  std::string globaltag;
  if( iConfig.exists( "globaltag" ) ) 
    globaltag = iConfig.getParameter<std::string>( "globaltag" );
  
  fillTagCollectionFromDB(userconnect,
                          iConfig.getUntrackedParameter<std::string>( "pfnPrefix", "" ),
                          iConfig.getUntrackedParameter<std::string>( "pfnPostfix", "" ),
                          globaltag,
                          replacement);
  
  
  TagCollection::iterator it;
  TagCollection::iterator itBeg = m_tagCollection.begin();
  TagCollection::iterator itEnd = m_tagCollection.end();
 
  std::map<std::string, cond::DbSession> sessions;

  /* load DataProxy Plugin (it is strongly typed due to EventSetup ideosyncrasis)
   * construct proxy
   * contrary to EventSetup the "object-name" is not used as identifier: multiple entries in a record are
   * dinstinguished only by their label...
   * done in two step: first create ProxyWrapper loading ALL required dictionaries
   * this will allow to initialize POOL in one go for each "database"
   * The real initialization of the Data-Proxies is done in the second loop 
   */
  std::vector<cond::DataProxyWrapperBase *> proxyWrappers(m_tagCollection.size());
  size_t ipb=0;
  for(it=itBeg;it!=itEnd;++it){
    proxyWrappers[ipb++] =  
      cond::ProxyFactory::get()->create(buildName(it->second.recordname));
  }
  // now all required libraries have been loaded
  // init sessions and DataProxies
  ipb=0;
  for(it=itBeg;it!=itEnd;++it){
    std::map<std::string, cond::DbSession>::iterator p = sessions.find( it->second.pfn );
    cond::DbSession nsess;
    if (p==sessions.end()) {
      //open db get tag info (i.e. the IOV token...)
      nsess = m_connection.createSession();
      nsess.openReadOnly( it->second.pfn, "" );
      sessions.insert(std::make_pair(it->second.pfn,nsess));
    } else nsess = (*p).second;
    //cond::MetaData metadata(nsess);
    //nsess.transaction().start(true);
    //std::string iovtoken = metadata.getToken(it->tag);
    // owenship...
    ProxyP proxy(proxyWrappers[ipb++]);
   //  instert in the map
    m_proxies.insert(std::make_pair(it->second.recordname, proxy));
    // initialize
    //proxy->lateInit(nsess,iovtoken, 
    //              it->labelname, it->pfn, it->tag
    //      );
    proxy->lateInit(nsess,it->second.tag, 
                    it->second.labelname, it->second.pfn);
    //nsess.transaction().commit();
  }

  // one loaded expose all other tags to the Proxy! 
  CondGetterFromESSource visitor( m_proxies );
  ProxyMap::iterator b = m_proxies.begin();
  ProxyMap::iterator e = m_proxies.end();
  for ( ;b != e; b++ ) {

    (*b).second->proxy()->loadMore( visitor );

    edm::eventsetup::EventSetupRecordKey recordKey(edm::eventsetup::EventSetupRecordKey::TypeTag::findType( (*b).first ) );
    if( recordKey.type() != edm::eventsetup::EventSetupRecordKey::TypeTag() ) {
      findingRecordWithKey( recordKey );
      usingRecordWithKey( recordKey );
    }
  }

  m_stats.nData=m_proxies.size();

}

CondDBESSource::~CondDBESSource ( )

Definition at line 245 of file CondDBESSource.cc.

References b, gather_cfg::cout, alignCSCRings::e, cond::BasePayloadProxy::gstats, m_doDump, m_proxies, m_stats, CondDBESSource::Stats::nActualReconnect, CondDBESSource::Stats::nActualRefresh, CondDBESSource::Stats::nData, CondDBESSource::Stats::nLumi, CondDBESSource::Stats::nReconnect, CondDBESSource::Stats::nRefresh, CondDBESSource::Stats::nRun, and CondDBESSource::Stats::nSet.

                                {
  //dump info FIXME: find a more suitable place...
  if (m_doDump) {
    std::cout << "CondDBESSource Statistics" << std::endl
              << "DataProxy " << m_stats.nData
              << " setInterval " << m_stats.nSet
              << " Runs " << m_stats.nRun
              << " Lumis " << m_stats.nLumi
              << " Refresh " << m_stats.nRefresh
              << " Actual Refresh " << m_stats.nActualRefresh
              << " Reconnect " << m_stats.nReconnect
              << " Actual Reconnect " << m_stats.nActualReconnect;
    std::cout << std::endl;
    std::cout << "Global Proxy Statistics" << std::endl
              << "proxy " << cond::BasePayloadProxy::gstats.nProxy
              << " make " << cond::BasePayloadProxy::gstats.nMake
              << " load " << cond::BasePayloadProxy::gstats.nLoad;
    std::cout << std::endl;


    ProxyMap::iterator b= m_proxies.begin();
    ProxyMap::iterator e= m_proxies.end();
    for ( ;b != e; b++ ) {
      dumpInfo( std::cout, (*b).first, *(*b).second );
      std::cout << "\n" << std::endl;
    }

    // FIXME
    // We shall eventually close transaction and session...
  }
}

Member Function Documentation

void CondDBESSource::fillTagCollectionFromDB	(	const std::string &	coraldb,
		const std::string &	prefix,
		const std::string &	postfix,
		const std::string &	roottag,
		std::map< std::string, cond::TagMetadata > &	replacement
	)		`[private]`

Definition at line 523 of file CondDBESSource.cc.

References cond::Auth::COND_READER_ROLE, cond::DbConnection::createSession(), NewTree::fid, cond::TagCollectionRetriever::getTagCollection(), cond::TagMetadata::labelname, m_connection, m_tagCollection, cond::TagMetadata::objectname, cond::DbSession::open(), cond::TagMetadata::pfn, cond::TagMetadata::recordname, python::CommonUtils::session, AlCaHLTBitMon_QueryRunRegistry::string, cond::TagMetadata::tag, and cond::DbSession::transaction().

Referenced by CondDBESSource().

                                                                                          {

  std::set< cond::TagMetadata > tagcoll;
 
 if ( !roottag.empty() ) {
   if ( coraldb.empty() ) 
     throw cond::Exception( std::string( "ESSource: requested global tag ") + roottag + std::string( " but not connection string given" ) );
   cond::DbSession session = m_connection.createSession();
   session.open( coraldb, cond::Auth::COND_READER_ROLE, true );
   session.transaction().start( true );
   cond::TagCollectionRetriever tagRetriever( session, prefix, postfix );
   tagRetriever.getTagCollection( roottag,tagcoll );
   session.transaction().commit();
  } 

  std::set<cond::TagMetadata>::iterator tagCollIter;
  std::set<cond::TagMetadata>::iterator tagCollBegin = tagcoll.begin();
  std::set<cond::TagMetadata>::iterator tagCollEnd = tagcoll.end();

  // FIXME the logic is a bit perverse: can be surely linearized (at least simplified!) ....
  for( tagCollIter = tagCollBegin; tagCollIter != tagCollEnd; ++tagCollIter ) {
    std::string recordLabelKey = joinRecordAndLabel( tagCollIter->recordname, tagCollIter->labelname );
    std::map<std::string,cond::TagMetadata>::iterator fid = replacement.find( recordLabelKey );
    if( fid != replacement.end() ) {
      cond::TagMetadata tagMetadata;
      tagMetadata.recordname = tagCollIter->recordname;
      tagMetadata.labelname = tagCollIter->labelname;
      tagMetadata.pfn = fid->second.pfn;
      tagMetadata.tag = fid->second.tag;
      tagMetadata.objectname = tagCollIter->objectname;
      m_tagCollection.insert( std::make_pair( recordLabelKey, tagMetadata ) );
      replacement.erase( fid );
      edm::LogInfo( "CondDBESSource" ) << "Replacing connection string \"" << tagCollIter->pfn
                                       << "\" and tag \"" << tagCollIter->tag
                                       << "\" for record \"" << tagMetadata.recordname
                                       << "\" and label \"" << tagMetadata.labelname
                                       << "\" with connection string \"" << tagMetadata.pfn
                                       << "\" and tag " << tagMetadata.tag
                                       << "\"; from CondDBESSource::fillTagCollectionFromDB";
    } else {
      m_tagCollection.insert( std::make_pair( recordLabelKey, *tagCollIter) );
    }
  }
  std::map<std::string,cond::TagMetadata>::iterator replacementIter;
  std::map<std::string,cond::TagMetadata>::iterator replacementBegin = replacement.begin();
  std::map<std::string,cond::TagMetadata>::iterator replacementEnd = replacement.end();
  for( replacementIter = replacementBegin; replacementIter != replacementEnd; ++replacementIter ){
    //std::cout<<"appending"<<std::endl;
    //std::cout<<"pfn "<<replacementIter->second.pfn<<std::endl;
    //std::cout<<"objectname "<<replacementIter->second.objectname<<std::endl;
    //std::cout<<"tag "<<replacementIter->second.tag<<std::endl;
    //std::cout<<"recordname "<<replacementIter->second.recordname<<std::endl;
    m_tagCollection.insert( *replacementIter );
  }
}

void CondDBESSource::newInterval	(	const edm::eventsetup::EventSetupRecordKey &	iRecordType,
		const edm::ValidityInterval &	iInterval
	)		`[protected, virtual]`

called when a new interval of validity occurs for iRecordType

Implements edm::eventsetup::DataProxyProvider.

Definition at line 513 of file CondDBESSource.cc.

References edm::eventsetup::DataProxyProvider::invalidateProxies().

{
  //LogDebug ("CondDBESSource")<<"newInterval";
  invalidateProxies(iRecordType);
}

void CondDBESSource::registerProxies	(	const edm::eventsetup::EventSetupRecordKey &	iRecordKey,
		KeyedProxies &	aProxyList
	)		`[protected, virtual]`

Implements edm::eventsetup::DataProxyProvider.

Definition at line 491 of file CondDBESSource.cc.

References b, alignCSCRings::e, combine::key, m_proxies, edm::eventsetup::EventSetupRecordKey::name(), AlCaHLTBitMon_ParallelJobs::p, and AlCaHLTBitMon_QueryRunRegistry::string.

                                                                                                             {
  std::string recordname=iRecordKey.name();

  ProxyMap::const_iterator b = m_proxies.lower_bound(recordname);
  ProxyMap::const_iterator e = m_proxies.upper_bound(recordname);
  if ( b == e) {
    edm::LogInfo( "CondDBESSource" ) << "No DataProxy (Pluging) found for record \""<< recordname
                                     << "\"; from CondDBESSource::registerProxies";
    return;
  }

  for (ProxyMap::const_iterator p=b;p!=e;++p) {  
    if(0 != (*p).second.get()) {
      edm::eventsetup::TypeTag type =  (*p).second->type(); 
      edm::eventsetup::DataKey key( type, edm::eventsetup::IdTags((*p).second->label().c_str()) );
      aProxyList.push_back(KeyedProxies::value_type(key,(*p).second->edmProxy()));
    }
  }
}

void CondDBESSource::setIntervalFor	(	const edm::eventsetup::EventSetupRecordKey &	iKey,
		const edm::IOVSyncValue &	iTime,
		edm::ValidityInterval &	oInterval
	)		`[protected, virtual]`

Implements edm::EventSetupRecordIntervalFinder.

Definition at line 283 of file CondDBESSource.cc.

References cond::DbConnection::createSession(), edm::IOVSyncValue::eventID(), edm::ValidityInterval::first(), cond::fromIOVSyncValue(), edm::ValidityInterval::invalidInterval(), edm::ValidityInterval::last(), cond::limitedIOVSyncValue(), edm::IOVSyncValue::luminosityBlockNumber(), m_connection, m_lastLumi, m_lastRecordRuns, m_lastRun, m_policy, m_proxies, m_sessionPool, m_stats, m_tagCollection, max(), min, CondDBESSource::Stats::nActualReconnect, CondDBESSource::Stats::nActualRefresh, edm::eventsetup::EventSetupRecordKey::name(), CondDBESSource::Stats::nLumi, CondDBESSource::Stats::nReconnect, CondDBESSource::Stats::nRefresh, CondDBESSource::Stats::nRun, CondDBESSource::Stats::nSet, cond::DbSession::openReadOnly(), RECONNECT_EACH_RUN, REFRESH_ALWAYS, REFRESH_EACH_RUN, REFRESH_OPEN_IOVS, dqm_diff::start, AlCaHLTBitMon_QueryRunRegistry::string, edm::IOVSyncValue::time(), cond::TIMELIMIT(), dtNoiseCalibration_cfg::timetype, cond::timeTypeNames(), cond::timeTypeSpecs, and cond::toIOVSyncValue().

                                                                                                                                          {

  std::string recordname=iKey.name();
  
  edm::LogInfo( "CondDBESSource" ) << "Getting data for record \""<< recordname
                                   << "\" to be consumed by "<< iTime.eventID() << ", timestamp: " << iTime.time().value()
                                   << "; from CondDBESSource::setIntervalFor";
  
  m_stats.nSet++;
  //{
    // not really required, keep here for the time being
    if(iTime.eventID().run()!=m_lastRun) {
      m_lastRun=iTime.eventID().run();
      m_stats.nRun++;
    }
    if(iTime.luminosityBlockNumber()!=m_lastLumi) {
      m_lastLumi=iTime.luminosityBlockNumber();
      m_stats.nLumi++;
    }
    //}
 
  bool doRefresh = false;
  if( m_policy == REFRESH_EACH_RUN || m_policy == RECONNECT_EACH_RUN ) {
    // find out the last run number for the proxy of the specified record
    std::map<std::string,unsigned int>::iterator iRec = m_lastRecordRuns.find( recordname );
    if( iRec != m_lastRecordRuns.end() ){
      unsigned int lastRecordRun = iRec->second;
      if( lastRecordRun != m_lastRun ){
        // a refresh is required!
        doRefresh = true;
        iRec->second = m_lastRun;
        edm::LogInfo( "CondDBESSource" ) << "Preparing refresh for record \"" << recordname 
                                         << "\" since there has been a transition from run "
                                         << lastRecordRun << " to run " << m_lastRun
                                         << "; from CondDBESSource::setIntervalFor";
      }
    } else {
      doRefresh = true;
      m_lastRecordRuns.insert( std::make_pair( recordname, m_lastRun ) );
      edm::LogInfo( "CondDBESSource" ) << "Preparing refresh for record \"" << recordname 
                                       << "\" for " << iTime.eventID() << ", timestamp: " << iTime.time().value()
                                       << "; from CondDBESSource::setIntervalFor";
    }
    if ( !doRefresh )
      edm::LogInfo( "CondDBESSource" ) << "Though enabled, refresh not needed for record \"" << recordname 
                                       << "\" for " << iTime.eventID() << ", timestamp: " << iTime.time().value()
                                       << "; from CondDBESSource::setIntervalFor";
  } else if( m_policy == REFRESH_ALWAYS || m_policy == REFRESH_OPEN_IOVS ) {
    doRefresh = true;
    edm::LogInfo( "CondDBESSource" ) << "Forcing refresh for record \"" << recordname 
                                     << "\" for " << iTime.eventID() << ", timestamp: " << iTime.time().value()
                                     << "; from CondDBESSource::setIntervalFor";
  }

  oInterval = edm::ValidityInterval::invalidInterval();

  // compute the smallest interval (assume all objects have the same timetype....)                                                                                                          
  cond::ValidityInterval recordValidity(1,cond::TIMELIMIT);
  cond::TimeType timetype;
  bool userTime=true;

 //FIXME use equal_range
  ProxyMap::const_iterator pmBegin = m_proxies.lower_bound(recordname);
  ProxyMap::const_iterator pmEnd = m_proxies.upper_bound(recordname);
  if ( pmBegin == pmEnd ) {
    edm::LogInfo( "CondDBESSource" ) << "No DataProxy (Pluging) found for record \""<< recordname
                                     << "\"; from CondDBESSource::setIntervalFor";
    return;
  }
  
  for ( ProxyMap::const_iterator pmIter = pmBegin; pmIter != pmEnd; ++pmIter ) {

    edm::LogInfo( "CondDBESSource" ) << "Processing record \"" << recordname
                                     << "\" and label \""<< pmIter->second->label()
                                     << "\" for " << iTime.eventID() << ", timestamp: " << iTime.time().value()
                                     << "; from CondDBESSource::setIntervalFor";

    timetype = (*pmIter).second->proxy()->timetype();
    
    cond::Time_t abtime = cond::fromIOVSyncValue( iTime, timetype );
    userTime = ( 0 == abtime );
    
    //std::cout<<"abtime "<<abtime<<std::endl;

    if (userTime) return; //  oInterval invalid to avoid that make is called...


    
    if( doRefresh ) {

      std::string recKey = joinRecordAndLabel( recordname, pmIter->second->label() );
      TagCollection::const_iterator tcIter = m_tagCollection.find( recKey ); 
      if ( tcIter == m_tagCollection.end() ) {
        edm::LogInfo( "CondDBESSource" ) << "No Tag found for record \""<< recordname
                                         << "\" and label \""<< pmIter->second->label()
                                         << "\"; from CondDBESSource::setIntervalFor";
        return;
      }

      // first reconnect if required
      if( m_policy == RECONNECT_EACH_RUN ) {
        edm::LogInfo( "CondDBESSource" ) << "Checking if the session must be closed and re-opened for getting correct conditions"
                                         << "; from CondDBESSource::setIntervalFor";
        std::stringstream transId;
        //transId << "long" << m_lastRun;
        transId << m_lastRun;
        std::map<std::string,std::pair<cond::DbSession,std::string> >::iterator iSess = m_sessionPool.find( tcIter->second.pfn );
        cond::DbSession theSession;
        bool reopen = false;
        if( iSess != m_sessionPool.end() ){
          if( iSess->second.second != transId.str() ) {
            // the available session is open for a different run: reopen
            reopen = true;
            iSess->second.second = transId.str();
          }
          theSession = iSess->second.first;
        } else {
          // no available session: probably first run analysed... 
          theSession = m_connection.createSession(); 
          m_sessionPool.insert(std::make_pair( tcIter->second.pfn,std::make_pair(theSession,transId.str()) )); 
          reopen = true;
        } 
        if( reopen ){
          theSession.openReadOnly( tcIter->second.pfn, transId.str() );
          edm::LogInfo( "CondDBESSource" ) << "Re-opening the session with connection string " << tcIter->second.pfn
                                           << " and new transaction Id " <<  transId.str()
                                           << "; from CondDBESSource::setIntervalFor";
        }
        
        edm::LogInfo( "CondDBESSource" ) << "Reconnecting to \"" << tcIter->second.pfn
                                         << "\" for getting new payload for record \"" << recordname 
                                         << "\" and label \""<< pmIter->second->label()
                                         << "\" from IOV tag \"" << tcIter->second.tag
                                         << "\" to be consumed by " << iTime.eventID() << ", timestamp: " << iTime.time().value()
                                         << "; from CondDBESSource::setIntervalFor";
        bool isSizeIncreased = pmIter->second->proxy()->refresh( theSession );
        if( isSizeIncreased )
          edm::LogInfo( "CondDBESSource" ) << "After reconnecting, an increased size of the IOV sequence labeled by tag \"" << tcIter->second.tag
                                           << "\" was found; from CondDBESSource::setIntervalFor";
        m_stats.nActualReconnect += isSizeIncreased;
        m_stats.nReconnect++;
      } else {
        edm::LogInfo( "CondDBESSource" ) << "Refreshing IOV sequence labeled by tag \"" << tcIter->second.tag
                                         << "\" for getting new payload for record \"" << recordname
                                         << "\" and label \""<< pmIter->second->label()
                                         << "\" to be consumed by " << iTime.eventID() << ", timestamp: " << iTime.time().value()
                                         << "; from CondDBESSource::setIntervalFor";
        bool isSizeIncreased = pmIter->second->proxy()->refresh();
        if( isSizeIncreased )
          edm::LogInfo( "CondDBESSource" ) << "After refreshing, an increased size of the IOV sequence labeled by tag \"" << tcIter->second.tag
                                           << "\" was found; from CondDBESSource::setIntervalFor";
        m_stats.nActualRefresh += isSizeIncreased;
        m_stats.nRefresh++;
      }

    }

    /*
      // make oInterval valid For Ever
    {
     oInterval = edm::ValidityInterval(cond::toIOVSyncValue(recordValidity.first,  cond::runnumber, true), 
                                       cond::toIOVSyncValue(recordValidity.second, cond::runnumber, false));
     return;
    }    
    */

    //query the IOVSequence
    cond::ValidityInterval validity = (*pmIter).second->proxy()->setIntervalFor( abtime );
    
    edm::LogInfo( "CondDBESSource" ) << "Validity coming from IOV sequence for record \"" << recordname
                                     << "\" and label \""<< pmIter->second->label()
                                     << "\": (" << validity.first << ", " << validity.second
                                     << ") for time (type: "<< cond::timeTypeNames( timetype ) << ") " << abtime
                                     << "; from CondDBESSource::setIntervalFor";
    
    recordValidity.first = std::max(recordValidity.first,validity.first);
    recordValidity.second = std::min(recordValidity.second,validity.second);
  }      
  
  if( m_policy == REFRESH_OPEN_IOVS ) {
    doRefresh = ( recordValidity.second == cond::timeTypeSpecs[timetype].endValue );
    edm::LogInfo( "CondDBESSource" ) << "Validity for record \"" << recordname
                                     << "\" and the corresponding label(s) coming from Condition DB: (" << recordValidity.first 
                                     << ", "<< recordValidity.first 
                                     << ") as the last IOV element in the IOV sequence is infinity"
                                     << "; from CondDBESSource::setIntervalFor";
  }
  
  // to force refresh we set end-value to the minimum such an IOV can extend to: current run or lumiblock
    
  if ( (!userTime) && recordValidity.second !=0 ) {
    edm::IOVSyncValue start = cond::toIOVSyncValue(recordValidity.first, timetype, true);
    edm::IOVSyncValue stop = doRefresh  ? cond::limitedIOVSyncValue (iTime, timetype)
      : cond::toIOVSyncValue(recordValidity.second, timetype, false);
       
    oInterval = edm::ValidityInterval( start, stop );
   }
  
  edm::LogInfo( "CondDBESSource" ) << "Setting validity for record \"" << recordname 
                                   << "\" and corresponding label(s): starting at " << oInterval.first().eventID() << ", timestamp: " << oInterval.first().time().value()
                                   << ", ending at "<< oInterval.last().eventID() << ", timestamp: " << oInterval.last().time().value()
                                   << ", for "<< iTime.eventID() << ", timestamp: " << iTime.time().value()
                                   << "; from CondDBESSource::setIntervalFor";
}