ODScanConfig.cc

Go to the documentation of this file.

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

#include "OnlineDB/EcalCondDB/interface/ODScanConfig.h"

using namespace std;
using namespace oracle::occi;

ODScanConfig::ODScanConfig()
{
  m_env = nullptr;
  m_conn = nullptr;
  m_writeStmt = nullptr;
  m_readStmt = nullptr;
  m_config_tag="";
  m_ID=0;
  clear();
}



ODScanConfig::~ODScanConfig()
{
}

void ODScanConfig::clear(){

  m_type_id=0;
  m_type="";
  m_from_val=0;
  m_to_val=0;
  m_step=0;

}

int ODScanConfig::fetchNextId()  noexcept(false) {

  int result=0;
  try {
    this->checkConnection();

    m_readStmt = m_conn->createStatement(); 
    m_readStmt->setSQL("select ecal_scan_config_sq.NextVal from dual");
    ResultSet* rset = m_readStmt->executeQuery();
    while (rset->next ()){
      result= rset->getInt(1);
    }
    m_conn->terminateStatement(m_readStmt);
    return result; 

  } catch (SQLException &e) {
    throw(std::runtime_error(std::string("ODScanConfig::fetchNextId():  ")+e.getMessage()));
  }

}


void ODScanConfig::setParameters(const std::map<string,string>& my_keys_map){
  
  // parses the result of the XML parser that is a map of 
  // string string with variable name variable value 
  
  for( std::map<std::string, std::string >::const_iterator ci=
     my_keys_map.begin(); ci!=my_keys_map.end(); ci++ ) {
    
    if(ci->first==  "SCAN_ID") setConfigTag(ci->second);
    if(ci->first==  "TYPE_ID") setTypeId(atoi(ci->second.c_str()) );
    if(ci->first==  "TYPE" || ci->first== "SCAN_TYPE") setScanType(ci->second );
    if(ci->first==  "FROM" ||ci->first==  "FROM_VAL" ) setFromVal(atoi(ci->second.c_str() ));
    if(ci->first==  "TO" ||ci->first==  "TO_VAL" ) setToVal(atoi(ci->second.c_str() ));
    if(ci->first==  "STEP") setStep(atoi(ci->second.c_str() ));
      
  }
  
}

void ODScanConfig::prepareWrite()
  noexcept(false)
{
  this->checkConnection();
  int next_id=fetchNextId();

  try {
    m_writeStmt = m_conn->createStatement();
    m_writeStmt->setSQL("INSERT INTO ECAL_scan_dat ( scan_id, scan_tag ,"
            "   type_id, scan_type , FROM_VAL , TO_VAL, STEP )"
            " VALUES ( :1, :2, :3, :4, :5, :6, :7)");
    m_writeStmt->setInt(1, next_id);
    m_ID=next_id;

  } catch (SQLException &e) {
    throw(std::runtime_error(std::string("ODScanConfig::prepareWrite():  ")+e.getMessage()));
  }
}

void ODScanConfig::writeDB()
  noexcept(false)
{
  this->checkConnection();
  this->checkPrepare();

  try {

    // number 1 is the id 
    m_writeStmt->setString(2, this->getConfigTag());

    m_writeStmt->setInt(3, this->getTypeId());
    m_writeStmt->setString(4,  this->getScanType() );
    m_writeStmt->setInt(5, this->getFromVal() );
    m_writeStmt->setInt(6, this->getToVal() );
    m_writeStmt->setInt(7, this->getStep() );
 
    m_writeStmt->executeUpdate();


  } catch (SQLException &e) {
    throw(std::runtime_error(std::string("ODScanConfig::writeDB():  ")+e.getMessage()));
  }
  // Now get the ID
  if (!this->fetchID()) {
    throw(std::runtime_error("ODScanConfig::writeDB:  Failed to write"));
  }

}




void ODScanConfig::fetchData(ODScanConfig * result)
  noexcept(false)
{
  this->checkConnection();
  result->clear();
  if(result->getId()==0 && (result->getConfigTag().empty()) ){
    throw(std::runtime_error("ODScanConfig::fetchData(): no Id defined for this ODScanConfig "));
  }

  try {

    m_readStmt->setSQL("SELECT * "
               "FROM ECAL_SCAN_DAT "
               " where (scan_id = :1  or scan_tag=:2 )" );
     m_readStmt->setInt(1, result->getId());
    m_readStmt->setString(2, result->getConfigTag());

    ResultSet* rset = m_readStmt->executeQuery();

    rset->next();

    // id 1 is the scan_id 
    result->setId(rset->getInt(1));
    result->setConfigTag(rset->getString(2));
    result->setTypeId(           rset->getInt(3) );
    result->setScanType(        rset->getString(4) );
    result->setFromVal(            rset->getInt(5) );
    result->setToVal(              rset->getInt(6) );
    result->setStep(              rset->getInt(7) );

  } catch (SQLException &e) {
    throw(std::runtime_error(std::string("ODScanConfig::fetchData():  ")+e.getMessage()));
  }
}

int ODScanConfig::fetchID()    noexcept(false)
{
  // Return from memory if available
  if (m_ID!=0) {
    return m_ID;
  }

  this->checkConnection();

  try {
    Statement* stmt = m_conn->createStatement();
    stmt->setSQL("SELECT scan_id FROM ecal_scan_dat "
                 "WHERE scan_tag=:scan_tag ");
    
    stmt->setString(1, getConfigTag() );

    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(std::string("ODScanConfig::fetchID:  ")+e.getMessage()));
  }

  return m_ID;
}