/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/OnlineDB/EcalCondDB/src/ODTCCEEConfig.cc

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#include <stdexcept>
#include <string>
#include <cstdlib>

#include "OnlineDB/Oracle/interface/Oracle.h"

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

using namespace std;
using namespace oracle::occi;

ODTCCEEConfig::ODTCCEEConfig()
{
  m_env = NULL;
  m_conn = NULL;
  m_writeStmt = NULL;
  m_readStmt = NULL;
  m_config_tag="";

   m_ID=0;
   clear();
   m_size=0; 
}

void ODTCCEEConfig::clear(){
  
  m_tcc_ee_file="";
  m_lut_file="";
  m_slb_file="";
  m_test_url="";
  m_ntest=0;
}


ODTCCEEConfig::~ODTCCEEConfig()
{
}

int ODTCCEEConfig::fetchNextId()  throw(std::runtime_error) {

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

    m_readStmt = m_conn->createStatement(); 
    m_readStmt->setSQL("select ecal_tcc_ee_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("ODTCCEEConfig::fetchNextId():  "+e.getMessage()));
  }

}


void ODTCCEEConfig::setParameters(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 >::iterator ci=
         my_keys_map.begin(); ci!=my_keys_map.end(); ci++ ) {

    if(ci->first==  "TCC_EE_CONFIGURATION_ID") setConfigTag(ci->second);
    if(ci->first==  "N_TESTPATTERNS_TO_LOAD") setNTestPatternsToLoad(atoi(ci->second.c_str()));
    if(ci->first==  "LUT_CONFIGURATION_FILE") setLUTConfigurationFile(ci->second );
    if(ci->first==  "CONFIGURATION_FILE") setTCCConfigurationFile(ci->second );
    if(ci->first==  "SLB_CONFIGURATION_FILE") setSLBConfigurationFile(ci->second );
    if(ci->first==  "TESTPATTERNFILE_URL") setTestPatternFileUrl(ci->second );

    if(ci->first==  "SLB_LATENCY") setSLBLatency(atoi(ci->second.c_str()) );
    if(ci->first==  "SLBLATENCY") setSLBLatency(atoi(ci->second.c_str()) );

    if(ci->first==  "TRIGGER_POS") setTriggerPos(atoi(ci->second.c_str()));

  }

}



void ODTCCEEConfig::prepareWrite()
  throw(std::runtime_error)
{
  this->checkConnection();

  int next_id=fetchNextId();

  try {
    m_writeStmt = m_conn->createStatement();
    m_writeStmt->setSQL("INSERT INTO ECAL_TCC_EE_CONFIGURATION (tcc_ee_configuration_id, tcc_ee_tag, "
                        "Configuration_file, LUT_CONFIGURATION_FILE, SLB_CONFIGURATION_FILE, "
                        "TESTPATTERNFILE_URL , N_TESTPATTERNS_TO_LOAD, TRIGGER_POS, "
                        "tcc_configuration, lut_configuration, slb_configuration, slblatency ) "
                        "VALUES (:1, :2, :3, :4, :5, :6, :7, :8 , :9, :10, :11, :12)");
    m_writeStmt->setInt(1, next_id);
    m_writeStmt->setString(2, getConfigTag());
    m_writeStmt->setString(3, getTCCConfigurationFile());
    m_writeStmt->setString(4, getLUTConfigurationFile());
    m_writeStmt->setString(5, getSLBConfigurationFile());
    m_writeStmt->setString(6, getTestPatternFileUrl());
    m_writeStmt->setInt(7, getNTestPatternsToLoad());
    m_writeStmt->setInt(8, getTrigPos());
    m_writeStmt->setInt(12, getSLBLatency());
    // and now the clobs
    oracle::occi::Clob clob1(m_conn);
    clob1.setEmpty();
    m_writeStmt->setClob(9,clob1);

    oracle::occi::Clob clob2(m_conn);
    clob2.setEmpty();
    m_writeStmt->setClob(10,clob2);

    oracle::occi::Clob clob3(m_conn);
    clob3.setEmpty();
    m_writeStmt->setClob(11,clob3);

    m_writeStmt->executeUpdate ();
    m_ID=next_id; 

    m_conn->terminateStatement(m_writeStmt);
    std::cout<<"TCC 3 empty Clobs inserted into CONFIGURATION with id="<<next_id<<std::endl;

    // now we read and update it 
    m_writeStmt = m_conn->createStatement(); 
    m_writeStmt->setSQL ("SELECT tcc_configuration, lut_configuration, slb_configuration FROM ECAL_TCC_EE_CONFIGURATION WHERE"
                         " tcc_ee_configuration_id=:1 FOR UPDATE");

    std::cout<<"updating the clobs 0"<<std::endl;

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

  std::cout<<"updating the clob 1 "<<std::endl;
  
}

void ODTCCEEConfig::writeDB()
  throw(std::runtime_error)
{

  std::cout<<"updating the clob 2"<<std::endl;

  try {

    m_writeStmt->setInt(1, m_ID);
    ResultSet* rset = m_writeStmt->executeQuery();

    while (rset->next ())
      {
        oracle::occi::Clob clob1 = rset->getClob (1);
        oracle::occi::Clob clob2 = rset->getClob (2);
        oracle::occi::Clob clob3 = rset->getClob (3);
        cout << "Opening the clob in read write mode" << endl;
        cout << "Populating the clobs" << endl;
        populateClob (clob1, getTCCConfigurationFile(), m_size);
        populateClob (clob2, getLUTConfigurationFile(), m_size);
        populateClob (clob3, getSLBConfigurationFile(), m_size);
       
      }

    m_writeStmt->executeUpdate();
    m_writeStmt->closeResultSet (rset);

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


}






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

  try {

    m_readStmt->setSQL("SELECT * "
                       "FROM ECAL_TCC_EE_CONFIGURATION d "
                       " where (tcc_ee_configuration_id = :1 or tcc_ee_tag=:2 )" );
    m_readStmt->setInt(1, result->getId());
    m_readStmt->setString(2, result->getConfigTag());
    ResultSet* rset = m_readStmt->executeQuery();

    rset->next();
    // the first is the id 
    result->setId(rset->getInt(1));
    result->setConfigTag(rset->getString(2));

    result->setTCCConfigurationFile(rset->getString(3));
    result->setLUTConfigurationFile(rset->getString(4));
    result->setSLBConfigurationFile(rset->getString(5));
    result->setTestPatternFileUrl(rset->getString(6));
    result->setNTestPatternsToLoad(rset->getInt(7));
    result->setSLBLatency(rset->getInt(12));
    //

    Clob clob1 = rset->getClob (8);
    cout << "Opening the clob in Read only mode" << endl;
    clob1.open (OCCI_LOB_READONLY);
    int clobLength=clob1.length ();
    cout << "Length of the clob1 is: " << clobLength << endl;
    unsigned char* buffer = readClob (clob1, clobLength);
    clob1.close ();
    cout<< "the clob buffer is:"<<endl;  
    for (int i = 0; i < clobLength; ++i)
      cout << (char) buffer[i];
    cout << endl;
    result->setTCCClob(buffer );

    Clob clob2 = rset->getClob (9);
    cout << "Opening the clob in Read only mode" << endl;
    clob2.open (OCCI_LOB_READONLY);
    clobLength=clob2.length ();
    cout << "Length of the clob2 is: " << clobLength << endl;
    unsigned char* buffer2 = readClob (clob2, clobLength);
    clob2.close ();
    cout<< "the clob buffer is:"<<endl;  
    for (int i = 0; i < clobLength; ++i)
      cout << (char) buffer2[i];
    cout << endl;
    result->setLUTClob(buffer2 );

    Clob clob3 = rset->getClob (10);
    cout << "Opening the clob in Read only mode" << endl;
    clob3.open (OCCI_LOB_READONLY);
    clobLength=clob3.length ();
    cout << "Length of the clob3 is: " << clobLength << endl;
    unsigned char* buffer3 = readClob (clob3, clobLength);
    clob3.close ();
    cout<< "the clob buffer is:"<<endl;  
    for (int i = 0; i < clobLength; ++i)
      cout << (char) buffer3[i];
    cout << endl;
    result->setSLBClob(buffer3 );

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



int ODTCCEEConfig::fetchID()    throw(std::runtime_error)
{
  if (m_ID!=0) {
    return m_ID;
  }

  this->checkConnection();

  try {
    Statement* stmt = m_conn->createStatement();
    stmt->setSQL("SELECT tcc_ee_configuration_id FROM ecal_tcc_ee_configuration "
                 "WHERE  tcc_ee_tag=:tcc_ee_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("ODTCCEEConfig::fetchID:  "+e.getMessage()));
  }

    return m_ID;
}