/data/refman/pasoursint/CMSSW_5_3_0/src/OnlineDB/SiStripO2O/plugins/SiStripPopConConfigDbObjHandler.h

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#ifndef SISTRIPPOPCON_CONFIGDB_HANDLER_H
#define SISTRIPPOPCON_CONFIGDB_HANDLER_H

#include "FWCore/ParameterSet/interface/ParameterSetfwd.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSetfwd.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "CondCore/PopCon/interface/PopConSourceHandler.h"
#include "CondCore/DBCommon/interface/TagInfo.h"
#include "CondCore/DBCommon/interface/LogDBEntry.h"

#include "OnlineDB/SiStripESSources/interface/SiStripCondObjBuilderFromDb.h"
#include "OnlineDB/SiStripConfigDb/interface/SiStripDbParams.h"
#include "OnlineDB/SiStripConfigDb/interface/SiStripPartition.h"

#include <sstream>
#include <vector>
#include <string>
#include <iostream>
#include <typeinfo>

namespace popcon{
  
  template <typename T>
    class SiStripPopConConfigDbObjHandler : public popcon::PopConSourceHandler<T>{
    public:

    //---------------------------------------
    //
    SiStripPopConConfigDbObjHandler(const edm::ParameterSet& pset):
      m_name(pset.getUntrackedParameter<std::string>("name","SiStripPopPopConConfigDbObjHandler")),
      m_since(pset.getUntrackedParameter<uint32_t>("since",5)),
      m_debugMode(pset.getUntrackedParameter<bool>("debug",false)){}; 

    //---------------------------------------
    //
    ~SiStripPopConConfigDbObjHandler(){}; 

    //---------------------------------------
    //
    void getNewObjects(){
      edm::LogInfo   ("SiStripPopPopConConfigDbObjHandler") << "[getNewObjects] for PopCon application " << m_name;
     
      if (m_debugMode){
        std::stringstream ss;
        ss << "\n\n------- " << m_name 
           << " - > getNewObjects\n"; 
        if (this->tagInfo().size){
          //check whats already inside of database
          ss << "got offlineInfo"<<
            this->tagInfo().name << ", size " << this->tagInfo().size << " " << this->tagInfo().token 
             << " , last object valid since " 
             << this->tagInfo().lastInterval.first << " token "   
             << this->tagInfo().lastPayloadToken << "\n\n UserText " << this->userTextLog() 
             << "\n LogDBEntry \n" 
             << this->logDBEntry().logId<< "\n"
             << this->logDBEntry().destinationDB<< "\n"   
             << this->logDBEntry().provenance<< "\n"
             << this->logDBEntry().usertext<< "\n"
             << this->logDBEntry().iovtag<< "\n"
             << this->logDBEntry().iovtimetype<< "\n"
             << this->logDBEntry().payloadIdx<< "\n"
             << this->logDBEntry().payloadClass<< "\n"
             << this->logDBEntry().payloadToken<< "\n"
             << this->logDBEntry().exectime<< "\n"
             << this->logDBEntry().execmessage<< "\n"
             << "\n\n-- user text " << this->logDBEntry().usertext.substr(this->logDBEntry().usertext.find_last_of("@")) ;
        } else {
          ss << " First object for this tag ";
        }
        edm::LogInfo   ("SiStripPopPopConConfigDbObjHandler") << ss.str();
      }
      if (isTransferNeeded())
        setForTransfer();
  
      edm::LogInfo   ("SiStripPopPopConConfigDbObjHandler") << "[getNewObjects] for PopCon application " << m_name << " Done\n--------------\n";
    }


    //---------------------------------------
    //
    std::string id() const { return m_name;}

    //---------------------------------------
    //
    bool isTransferNeeded(){


      edm::LogInfo   ("SiStripPopPopConConfigDbObjHandler") << "[isTransferNeeded] checking for transfer: " << typeid(T).name()  <<   std::endl;
      std::stringstream ss_logdb, ss;

      //get log information from previous upload
      if (this->logDBEntry().usertext!="")
        ss_logdb << this->logDBEntry().usertext.substr(this->logDBEntry().usertext.find_first_of("@"));
      else
        ss_logdb << "";

      std::string label="";
      if(typeid(T)==typeid(SiStripFedCabling))
        label="Cabling";

      if(typeid(T)==typeid(SiStripApvGain))
        label="ApvTiming";
      
      if(typeid(T)==typeid(SiStripLatency))
        label="ApvLatency";

      if(!condObjBuilder->checkForCompatibility(ss_logdb,ss,label)){
        //string are equal, no need to do transfer
        edm::LogInfo   ("SiStripPopPopConConfigDbObjHandler") 
          << "[isTransferNeeded] the selected conditions are already uploaded in the last iov ("  
          << this->tagInfo().lastInterval.first << ") open for the object " 
          << this->logDBEntry().payloadClass << " in the db " 
          << this->logDBEntry().destinationDB << " parameters: "  << ss_logdb.str() << "\n NO TRANSFER NEEDED";
        return false;
      }
      
      this->m_userTextLog = ss.str();
      edm::LogInfo   ("SiStripPopPopConConfigDbObjHandler") 
        << "[isTransferNeeded] the selected conditions will be uploaded: " << ss.str() 
        << "\n Going to Upload: "<< ss.str()  << "\n Last Upload: " << ss_logdb.str() << "\n Fine";

      return true;
    }


    //---------------------------------------
    //
    void setForTransfer(){
      edm::LogInfo   ("SiStripPopPopConConfigDbObjHandler") << "[setForTransfer] " << m_name << " getting data to be transferred "  << std::endl;
      
      T *obj=0; 
      condObjBuilder->getValue(obj);

      edm::LogInfo   ("SiStripPopPopConConfigDbObjHandler") << "[setForTransfer] " << m_name << " got data to be transferred from condObjBuilder "  << std::endl;

      if(!this->tagInfo().size)
        m_since=1;
      else
        if (m_debugMode)
          m_since=this->tagInfo().lastInterval.first+1; 
      edm::LogInfo   ("SiStripPopPopConConfigDbObjHandler") <<"[setForTransfer] setting since = "<< m_since <<std::endl;

      if (obj!=0){

        edm::LogInfo   ("SiStripPopPopConConfigDbObjHandler") <<"[setForTransfer] filling map m_to_transfer" <<std::endl;
        this->m_to_transfer.push_back(std::make_pair(obj,m_since));
      }else{
        edm::LogError   ("SiStripPopPopConConfigDbObjHandler") <<"[setForTransfer] " << m_name << "  : NULL pointer of obj " << typeid(T).name() << " reported by SiStripCondObjBuilderFromDb\n Transfer aborted"<<std::endl;
      }
    }

    private: 
    // data members
    std::string m_name;
    unsigned long long m_since;
    bool m_debugMode;
    edm::Service<SiStripCondObjBuilderFromDb> condObjBuilder;
  };
}

#endif //SISTRIPPOPCON_CONFIGDB_HANDLER_H