/data/refman/pasoursint/CMSSW_5_3_0/src/OnlineDB/EcalCondDB/src/MODRunIOV.cc

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#include <stdexcept>
#include "OnlineDB/Oracle/interface/Oracle.h"

#include "OnlineDB/EcalCondDB/interface/MODRunIOV.h"
#include "OnlineDB/EcalCondDB/interface/RunIOV.h"
#include "OnlineDB/EcalCondDB/interface/Tm.h"
#include "OnlineDB/EcalCondDB/interface/DateHandler.h"

using namespace std;
using namespace oracle::occi;

MODRunIOV::MODRunIOV()
{
  m_conn = NULL;
  m_ID = 0;
  m_runIOV = RunIOV();
  m_subRunNum = 0;
  m_subRunStart = Tm();
  m_subRunEnd = Tm();
}



MODRunIOV::~MODRunIOV()
{
}


void MODRunIOV::setID(int id)
{
    m_ID = id;
}



void MODRunIOV::setRunIOV(RunIOV iov)
{
  if (iov != m_runIOV) {
    m_ID = 0;
    m_runIOV = iov;
  }
}

RunIOV MODRunIOV::getRunIOV() 
{ 
  return m_runIOV;
}


void MODRunIOV::setSubRunNumber(subrun_t subrun)
{
  if (subrun != m_subRunNum) {
    m_ID = 0;
    m_subRunNum = subrun;
  }
}



run_t MODRunIOV::getSubRunNumber() const
{
  return m_subRunNum;
}



void MODRunIOV::setSubRunStart(Tm start)
{
  if (start != m_subRunStart) {
    m_ID = 0;
    m_subRunStart = start;
  }
}



Tm MODRunIOV::getSubRunStart() const
{
  return m_subRunStart;
}



void MODRunIOV::setSubRunEnd(Tm end)
{
  if (end != m_subRunEnd) {
    m_ID = 0;
    m_subRunEnd = end;
  }
}



Tm MODRunIOV::getSubRunEnd() const
{
  return m_subRunEnd;
}



int MODRunIOV::fetchID()
  throw(std::runtime_error)
{
  // Return from memory if available
  if (m_ID) {
    return m_ID;
  }

  this->checkConnection();

  // fetch the parent IDs
  int  runIOVID;
  this->fetchParentIDs(&runIOVID);

  if (!runIOVID) { 
    return 0;
  }

  DateHandler dh(m_env, m_conn);

  if (m_subRunEnd.isNull()) {
    m_subRunEnd = dh.getPlusInfTm();
  }

  try {
    Statement* stmt = m_conn->createStatement();
    stmt->setSQL("SELECT iov_id FROM OD_run_iov "
                 "WHERE "
                 "run_iov_id   = :1 AND "
                 "subrun_num   = :2 AND "
                 "subrun_start = :3 AND "
                 "subrun_end   = :4");

    stmt->setInt(1, runIOVID);
    stmt->setInt(2, m_subRunNum);
    stmt->setDate(3, dh.tmToDate(m_subRunStart));
    stmt->setDate(4, dh.tmToDate(m_subRunEnd));
  
    ResultSet* rset = stmt->executeQuery();

    if (rset->next()) {
      m_ID = rset->getInt(1);
    } else {
      m_ID = 0;
    }
    m_conn->terminateStatement(stmt);
  } catch (SQLException &e) {
    throw(std::runtime_error("MODRunIOV::fetchID:  "+e.getMessage()));
  }

  return m_ID;
}



void MODRunIOV::setByID(int id) 
  throw(std::runtime_error)
{
   this->checkConnection();

   DateHandler dh(m_env, m_conn);

   try {
     Statement* stmt = m_conn->createStatement();

     stmt->setSQL("SELECT run_iov_id, subrun_num, subrun_start, subrun_end FROM OD_run_iov WHERE iov_id = :1");
     stmt->setInt(1, id);
     
     ResultSet* rset = stmt->executeQuery();
     if (rset->next()) {
       int runIOVID = rset->getInt(1);
       m_subRunNum = rset->getInt(2);
       Date startDate = rset->getDate(3);
       Date endDate = rset->getDate(4);
         
       m_subRunStart = dh.dateToTm( startDate );
       m_subRunEnd = dh.dateToTm( endDate );

       m_runIOV.setConnection(m_env, m_conn);
       m_runIOV.setByID(runIOVID);

       m_ID = id;
     } else {
       throw(std::runtime_error("MODRunIOV::setByID:  Given id is not in the database"));
     }
     
     m_conn->terminateStatement(stmt);
   } catch (SQLException &e) {
     throw(std::runtime_error("MODRunIOV::setByID:  "+e.getMessage()));
   }
}



int MODRunIOV::writeDB()
  throw(std::runtime_error)
{
  this->checkConnection();

  // Check if this IOV has already been written
  if (this->fetchID()) {
    return m_ID;
  }

  // fetch Parent IDs
  int runIOVID;
  this->fetchParentIDs(&runIOVID);
                       
  // Validate the data, use infinity-till convention
  DateHandler dh(m_env, m_conn);

  if (m_subRunStart.isNull()) {
    throw(std::runtime_error("MODRunIOV::writeDB:  Must setSubRunStart before writing"));
  }
  
  if (m_subRunEnd.isNull()) {
    m_subRunEnd = dh.getPlusInfTm();
  }

  try {
    Statement* stmt = m_conn->createStatement();
    
    stmt->setSQL("INSERT INTO od_run_iov (iov_id,  run_iov_id, subrun_num, subrun_start, subrun_end) "
                 "VALUES (OD_run_iov_sq.NextVal, :1, :2, :3, :4)");
    stmt->setInt(1, runIOVID);
    stmt->setInt(2, m_subRunNum);
    stmt->setDate(3, dh.tmToDate(m_subRunStart));
    stmt->setDate(4, dh.tmToDate(m_subRunEnd));

    stmt->executeUpdate();

    m_conn->terminateStatement(stmt);
  } catch (SQLException &e) {
    throw(std::runtime_error("MODRunIOV::writeDB:  "+e.getMessage()));
  }

  // Now get the ID
  if (!this->fetchID()) {
    throw(std::runtime_error("MODRunIOV::writeDB:  Failed to write"));
  }
  
  return m_ID;
}



void MODRunIOV::fetchParentIDs( int* runIOVID)
  throw(std::runtime_error)
{
  // get the RunIOV
  m_runIOV.setConnection(m_env, m_conn);
  *runIOVID = m_runIOV.fetchID();

  if (! *runIOVID) { 
    throw(std::runtime_error("MODRunIOV:  Given RunIOV does not exist in DB")); 
  }

}



void MODRunIOV::setByRun( RunIOV* runiov, subrun_t subrun)
  throw(std::runtime_error)
{
  this->checkConnection();
  
  runiov->setConnection(m_env, m_conn);
  int runIOVID = runiov->fetchID();

  if (!runIOVID) {
    throw(std::runtime_error("MODRunIOV::setByRun:  Given RunIOV does not exist in DB"));
  }

  DateHandler dh(m_env, m_conn);

  try {
    Statement* stmt = m_conn->createStatement();

    stmt->setSQL("SELECT iov_id, subrun_start, subrun_end FROM OD_run_iov "
                 "WHERE run_iov_id = :1 AND subrun_num = :2");
    stmt->setInt(1, runIOVID);
    stmt->setInt(2, subrun);

    ResultSet* rset = stmt->executeQuery();
    if (rset->next()) {
      m_runIOV = *runiov;
      m_subRunNum = subrun;
      
      m_ID = rset->getInt(1);
      Date startDate = rset->getDate(2);
      Date endDate = rset->getDate(3);
         
      m_subRunStart = dh.dateToTm( startDate );
      m_subRunEnd = dh.dateToTm( endDate );
    } else {
      throw(std::runtime_error("MODRunIOV::setByRun:  Given subrun is not in the database"));
    }
     
    m_conn->terminateStatement(stmt);
  } catch (SQLException &e) {
    throw(std::runtime_error("MODRunIOV::setByRun:  "+e.getMessage()));
  }
  
}