/data/refman/pasoursint/CMSSW_4_4_5_patch3/src/CondTools/RPC/src/RPCDBCom.cc

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#include "CondTools/RPC/interface/RPCDBCom.h"
#include "RelationalAccess/IRelationalDomain.h"
#include "RelationalAccess/IConnection.h"
#include "RelationalAccess/ISession.h"
#include "RelationalAccess/RelationalServiceException.h"
#include "CoralKernel/Context.h"

RPCDBCom::RPCDBCom():
  m_connection( 0 )
{
  coral::Context& context = coral::Context::instance();
  context.loadComponent( "CORAL/RelationalPlugins/oracle" );
  coral::IHandle<coral::IRelationalDomain> domain = context.query<coral::IRelationalDomain>(
"CORAL/RelationalPlugins/oracle" );
  if ( ! domain.isValid() )
    throw std::runtime_error( "Could not load the OracleAccess plugin" );
}


RPCDBCom::~RPCDBCom()
{
  if ( m_connection ) delete m_connection;
}


coral::ISession*
RPCDBCom::connect( const std::string& connectionString,
                   const std::string& userName,
                   const std::string& password )
{
  coral::Context& ctx = coral::Context::instance();
  ctx.loadComponent("CORAL/RelationalPlugins/oracle");
  coral::IHandle<coral::IRelationalDomain> iHandle=ctx.query<coral::IRelationalDomain>("CORAL/RelationalPlugins/oracle");
  if ( ! iHandle.isValid() ) {
    throw std::runtime_error( "Could not load the OracleAccess plugin" );
  }
  std::pair<std::string, std::string> connectionAndSchema = iHandle->decodeUserConnectionString( connectionString );

  if ( ! m_connection )
    m_connection = iHandle->newConnection( connectionAndSchema.first );

  if ( ! m_connection->isConnected() )
    m_connection->connect();
  
  coral::ISession* session = m_connection->newSession( connectionAndSchema.second );
  
  if ( session ) {
    session->startUserSession( userName, password );
  }
  //memory leaking
  return session;
}


void
RPCDBCom::setVerbosityLevel( coral::MsgLevel level )
{
  coral::MessageStream::setMsgVerbosity(level);
}