IOVEditor.cc

Go to the documentation of this file.

#include "CondCore/CondDB/interface/IOVEditor.h"
#include "CondCore/CondDB/interface/Utils.h"
#include "SessionImpl.h"
//

namespace cond {

  namespace persistency {

    // implementation details. holds only data.
    class IOVEditorData {
    public:
      explicit IOVEditorData():
    tag( "" ),
    timeType( cond::invalid ),
    payloadType(""),
    synchronizationType( cond::SYNCH_ANY ),
    description(""),
    iovBuffer(),
        changes(){
      }
      std::string tag;
      cond::TimeType timeType;
      std::string payloadType;
      cond::SynchronizationType synchronizationType; 
      std::string description;
      cond::Time_t endOfValidity = cond::time::MAX_VAL;
      cond::Time_t lastValidatedTime = cond::time::MIN_VAL; 
      boost::posix_time::ptime creationTime;
      bool change = false;
      bool exists = false;
      // buffer for the iov sequence
      std::vector<std::tuple<cond::Time_t,cond::Hash,boost::posix_time::ptime> > iovBuffer;
      bool validationMode = false;
      std::set<std::string> changes;
    };

    IOVEditor::IOVEditor():
      m_data(),
      m_session(){
    }

    IOVEditor::IOVEditor( const std::shared_ptr<SessionImpl>& session ):
      m_data( new IOVEditorData ),
      m_session( session ){
    }

    IOVEditor::IOVEditor( const std::shared_ptr<SessionImpl>& session, 
              const std::string& tag, 
              cond::TimeType timeType, 
              const std::string& payloadObjectType,
              cond::SynchronizationType synchronizationType,
              const boost::posix_time::ptime& creationTime ):
      m_data( new IOVEditorData ),
      m_session( session ){
      m_data->tag = tag;
      m_data->timeType = timeType;
      m_data->payloadType = payloadObjectType;
      m_data->synchronizationType = synchronizationType;
      m_data->creationTime = creationTime;
      m_data->change = true;
    }

    IOVEditor::IOVEditor( const IOVEditor& rhs ):
      m_data( rhs.m_data ),
      m_session( rhs.m_session ){
    }
    
    IOVEditor& IOVEditor::operator=( const IOVEditor& rhs ){
      m_data = rhs.m_data;
      m_session = rhs.m_session;
      return *this;
    }
    
    void IOVEditor::load( const std::string& tag ){
      checkTransaction( "IOVEditor::load" );
      // loads the current header data in memory
      if( !m_session->iovSchema().tagTable().select( tag, m_data->timeType, m_data->payloadType, m_data->synchronizationType, 
                             m_data->endOfValidity, m_data->description, m_data->lastValidatedTime ) ){
    cond::throwException( "Tag \""+tag+"\" has not been found in the database.","IOVEditor::load");
      }
      m_data->tag = tag;
      m_data->exists = true;
      m_data->change = false;
    }
    
    std::string IOVEditor::tag() const {
      return m_data.get()? m_data->tag : "" ;
    }
    
    
    cond::TimeType IOVEditor::timeType() const {
      return m_data.get() ? m_data->timeType : cond::invalid;
    }
    
    std::string IOVEditor::payloadType() const {
      return m_data.get() ? m_data->payloadType :  "";
    }
    
    cond::SynchronizationType IOVEditor::synchronizationType() const {
      return m_data.get()? m_data->synchronizationType : cond::SYNCH_ANY ; 
    }

    void IOVEditor::setSynchronizationType( cond::SynchronizationType synchronizationType ){
      if( m_data.get() ) {
    m_data->synchronizationType = synchronizationType;
    m_data->change = true;
        m_data->changes.insert("SynchronizationType");
      }      
    }
    
    cond::Time_t IOVEditor::endOfValidity() const {
      return m_data.get() ? m_data->endOfValidity : cond::time::MIN_VAL;
    }
    
    void IOVEditor::setEndOfValidity( cond::Time_t time ){
      if( m_data.get() ) {
    m_data->endOfValidity = time;
    m_data->change = true;
    m_data->changes.insert("EndOfValidity");
      }
    }
    
    std::string IOVEditor::description() const {
      return m_data.get() ? m_data->description :  "";
    }
    
    void IOVEditor::setDescription( const std::string& description ){
      if( m_data.get() ) {
    m_data->description = description;
    m_data->change = true;
    m_data->changes.insert("Description");
      }
    }
    
    cond::Time_t IOVEditor::lastValidatedTime() const {
      return m_data.get() ? m_data->lastValidatedTime : cond::time::MIN_VAL;
    }
    
    void IOVEditor::setLastValidatedTime(cond::Time_t time ){
      if( m_data.get() ) {
    m_data->lastValidatedTime = time;
    m_data->change = true;
    m_data->changes.insert("LastValidatedTime");
      }
    }

    void IOVEditor::setValidationMode(){
      if( m_data.get() ) m_data->validationMode = true;
    }
   
    void IOVEditor::insert( cond::Time_t since, const cond::Hash& payloadHash, bool checkType ){
      boost::posix_time::ptime now = boost::posix_time::microsec_clock::universal_time();
      insert( since, payloadHash, now, checkType ); 
    }
    
    void IOVEditor::insert( cond::Time_t since, const cond::Hash& payloadHash, const boost::posix_time::ptime& insertionTime, bool ){
      if( m_data.get() ){
    // here the type check could be added
    m_data->iovBuffer.push_back( std::tie( since, payloadHash, insertionTime ) );
      }
    }

    bool iovSorter( const std::tuple<cond::Time_t,cond::Hash,boost::posix_time::ptime>& f, const std::tuple<cond::Time_t,cond::Hash,boost::posix_time::ptime>& s ){
      return std::get<0>(f) < std::get<0>(s);
    }

    bool IOVEditor::flush( const std::string& logText, const boost::posix_time::ptime& operationTime, bool forceInsertion ){
      bool ret = false;
      checkTransaction( "IOVEditor::flush" );
      std::string lt = logText;
      if( lt.empty() ) lt = "-";
      if( m_data->change ){
    if( m_data->description.empty() ) throwException( "A non-empty description string is mandatory.","IOVEditor::flush" );
    if( m_data->validationMode ) m_session->iovSchema().tagTable().setValidationMode();
    if( !m_data->exists ){
      // set the creation time ( only available in the migration from v1...)
      if( m_data->creationTime.is_not_a_date_time() )  m_data->creationTime = operationTime;
      m_session->iovSchema().tagTable().insert( m_data->tag, m_data->timeType, m_data->payloadType, 
                            m_data->synchronizationType, m_data->endOfValidity, 
                            m_data->description, m_data->lastValidatedTime, m_data->creationTime );
          if( m_session->iovSchema().tagLogTable().exists() )
        m_session->iovSchema().tagLogTable().insert(  m_data->tag,  m_data->creationTime, cond::getUserName(),cond::getHostName(), cond::getCommand(),
                              std::string("New tag created."),lt );
      m_data->exists = true;
      ret = true;
    } else {
      m_session->iovSchema().tagTable().update( m_data->tag, m_data->synchronizationType, m_data->endOfValidity, m_data->description, 
                            m_data->lastValidatedTime, operationTime );   
          if( m_session->iovSchema().tagLogTable().exists() ){
        std::string action("Tag header updated. Changes involve: ");
            size_t i = 0;
        for( auto c: m_data->changes){
          action += c;
          if( i==(m_data->changes.size()-1) ) action += ".";
          else action += ", ";
              i++;
        } 
        m_session->iovSchema().tagLogTable().insert(  m_data->tag,  operationTime, cond::getUserName(),cond::getHostName(), cond::getCommand(), 
                              action,lt );
      }
      ret = true;
    }
    m_data->change = false;
      }
      if( !m_data->iovBuffer.empty() ) {
    std::sort(m_data->iovBuffer.begin(),m_data->iovBuffer.end(),iovSorter);
    cond::Time_t l = std::get<0>(m_data->iovBuffer.front());
        //We do not allow for IOV updates (i.e. insertion in the past or overriding) on tags whose syncrosization is not "ANY" or "VALIDATION".
        //This policy is stricter than the one deployed in the Condition Upload service,
        //which allows insertions in the past or overriding for IOVs larger than the first condition safe run for HLT ("HLT"/"EXPRESS" synchronizations) and Tier0 ("PROMPT"/"PCL").
        //This is intended: in the C++ API we have not got a way to determine the first condition safe runs.
        if( !forceInsertion && m_data->synchronizationType != cond::SYNCH_ANY && m_data->synchronizationType != cond::SYNCH_VALIDATION ){
      // retrieve the last since
      cond::Time_t last = 0;
      cond::Hash h;
      boost::posix_time::ptime no_time;
      m_session->iovSchema().iovTable().getLastIov( m_data->tag, no_time, last, h );
      // check if the min iov is greater then the last since
      if( l <= last ){
        std::stringstream msg;
        msg << "Can't insert iov since "<<l<<" on the tag "<< m_data->tag<<": last since is "<<last<<
          " and synchronization is \""<<cond::synchronizationTypeNames(  m_data->synchronizationType )<<"\"";
        throwException( msg.str(),"IOVEditor::flush");
      }
    }
    // set the insertion time ( only for the migration from v1 will be available... )
        for( auto& iov : m_data->iovBuffer ){
      boost::posix_time::ptime& insertionTime = std::get<2>(iov);
      if( insertionTime.is_not_a_date_time() ) insertionTime = operationTime;
    }
    // insert the new iovs
    m_session->iovSchema().iovTable().insertMany( m_data->tag, m_data->iovBuffer );
    std::stringstream msg;
        msg << m_data->iovBuffer.size() << " iov(s) inserted.";
    if( m_session->iovSchema().tagLogTable().exists() ){
      m_session->iovSchema().tagLogTable().insert(  m_data->tag,  operationTime, cond::getUserName(), cond::getHostName(), cond::getCommand(), 
                            msg.str(),lt );
    }
    m_data->iovBuffer.clear();
        m_data->changes.clear();
    ret = true;
      }
      return ret;
    }
    
    bool IOVEditor::flush( const std::string& logText ){
      return flush( logText, boost::posix_time::microsec_clock::universal_time(), false );
    }

    bool IOVEditor::flush( const boost::posix_time::ptime& operationTime ){
      return flush( std::string("-"), operationTime, false );
    }

    bool IOVEditor::flush(){
      return flush( std::string("-"), boost::posix_time::microsec_clock::universal_time(), false );
    }

    bool IOVEditor::flush( const std::string& logText, bool forceInsertion ){
      return flush( logText, boost::posix_time::microsec_clock::universal_time(), forceInsertion );
    }

    void IOVEditor::checkTransaction( const std::string& ctx ){
      if( !m_session.get() ) throwException("The session is not active.",ctx );
      if( !m_session->isTransactionActive( false ) ) throwException("The transaction is not active.",ctx );
    }
    
  }
}