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CdbEnvProxy.cc

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// File and Version Information:
//      $Id: CdbEnvProxy.cc,v 1.3 2005/05/03 20:59:50 gapon Exp $

/// The implementation of the CdbEnvProxy class.
/**
  * @see CdbEnvProxy
  */
#include "BaBar/BaBar.hh"

#include "CdbBase/CdbEnvProxy.hh"
#include "CdbBase/CdbProxyElement.hh"
#include "CdbBase/CdbObject.hh"
#include "CdbBase/CdbPathName.hh"
#include "CdbBase/CdbTimeUtils.hh"

#include "ErrLogger/ErrLog.hh"

#include <string>
using std::endl;

template< class T >
CdbEnvProxy<T>::CdbEnvProxy( const char*     theDetectorName,
                             const char*     theConditionName,
                             CdbDefStrategy* theStrategy ) :
    CdbProxyBase<T>( theStrategy )
{
    if( 0 == theDetectorName )  ErrMsg(fatal) << "a null string passed where a detector name was expected." << endmsg;
    if( 0 == theConditionName ) ErrMsg(fatal) << "a null string passed where a condition name was expected." << endmsg;

  // Build full path name for the condition and make a subscription

    std::string pathName = std::string( CdbPathName::separator( )) +
                           std::string( theDetectorName ) +
                           std::string( CdbPathName::separator( )) +
                           std::string( theConditionName );

    subscribeCondition( pathName );
}

template< class T >
CdbEnvProxy<T>::~CdbEnvProxy( )
{ }

template< class T >
T*
CdbEnvProxy<T>::redefinedFaultHandler( const std::vector<CdbProxyElement>& listOfElements )
{
    const char* fatalStr = "CdbEnvProxy<T>::redefinedFaultHandler() -- FATAL";
    const char* errorStr = "CdbEnvProxy<T>::redefinedFaultHandler() -- ERROR";

  // Just one element is expected

    assert( 1 == listOfElements.size( ));  // if it's not one then the code is fatally broken

    CdbObjectPtr objectPtr = listOfElements[0].objectPtr( );

    if( objectPtr.isNull( ))
        ErrMsg(fatal) << fatalStr << endl
                      << "    A persistent object found in the condition is not valid." << endl
                      << "        CONDITION NAME: \"" << listOfElements[0].name( ) << "\"" << endl
                      << "        BEGIN VALIDITY: "   << CdbTimeUtils::time2string( listOfElements[0].validity( ).beginTime( )) << endl
                      << "        END VALIDITY:   "   << CdbTimeUtils::time2string( listOfElements[0].validity( ).endTime( )) << endl
                      << "    The database may be corrupted or it's not available for some other reason." << endmsg;

  // Try the persistent-to-transient translation.

    T* transientObjectPtr = 0;
    if( CdbStatus::Success != CdbObject::transient( transientObjectPtr,
                                                    objectPtr )) {
        ErrMsg(error) << errorStr << endl
                      << "    Failed to convert a persistent object into the transient one." << endl
                      << "        OBJECT ID:      \"" << objectPtr->id( ) << "\"" << endl
                      << "        CONDITION NAME: \"" << listOfElements[0].name( ) << "\"" << endl
                      << "        BEGIN VALIDITY: "   << CdbTimeUtils::time2string( listOfElements[0].validity( ).beginTime( )) << endl
                      << "        END VALIDITY:   "   << CdbTimeUtils::time2string( listOfElements[0].validity( ).endTime( )) << endl
                      << "    The current application may be improperly configured to set up the corresponding" << endl
                      << "    persistent-to-transient converter." << endmsg;
    }

  // Return whatever is found

    return transientObjectPtr;
}

/////////////////
// End Of File //
/////////////////

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