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 //____________________________________________________________________________..
 //
 // This is a template for a Fun4All SubsysReco module with all methods from the
 // $OFFLINE_MAIN/include/fun4all/SubsysReco.h baseclass
 // You do not have to implement all of them, you can just remove unused methods
 // here and in HerwigHepMCFilter.h.
 //
 // HerwigHepMCFilter(const std::string &name = "HerwigHepMCFilter")
 // everything is keyed to HerwigHepMCFilter, duplicate names do work but it makes
 // e.g. finding culprits in logs difficult or getting a pointer to the module
 // from the command line
 //
 // HerwigHepMCFilter::~HerwigHepMCFilter()
 // this is called when the Fun4AllServer is deleted at the end of running. Be
 // mindful what you delete - you do loose ownership of object you put on the node tree
 //
 // int HerwigHepMCFilter::Init(PHCompositeNode *topNode)
 // This method is called when the module is registered with the Fun4AllServer. You
 // can create historgrams here or put objects on the node tree but be aware that
 // modules which haven't been registered yet did not put antyhing on the node tree
 //
 // int HerwigHepMCFilter::InitRun(PHCompositeNode *topNode)
 // This method is called when the first event is read (or generated). At
 // this point the run number is known (which is mainly interesting for raw data
 // processing). Also all objects are on the node tree in case your module's action
 // depends on what else is around. Last chance to put nodes under the DST Node
 // We mix events during readback if branches are added after the first event
 //
 // int HerwigHepMCFilter::process_event(PHCompositeNode *topNode)
 // called for every event. Return codes trigger actions, you find them in
 // $OFFLINE_MAIN/include/fun4all/Fun4AllReturnCodes.h
 //   everything is good:
 //     return Fun4AllReturnCodes::EVENT_OK
 //   abort event reconstruction, clear everything and process next event:
 //     return Fun4AllReturnCodes::ABORT_EVENT; 
 //   proceed but do not save this event in output (needs output manager setting):
 //     return Fun4AllReturnCodes::DISCARD_EVENT; 
 //   abort processing:
 //     return Fun4AllReturnCodes::ABORT_RUN
 // all other integers will lead to an error and abort of processing
 //
 // int HerwigHepMCFilter::ResetEvent(PHCompositeNode *topNode)
 // If you have internal data structures (arrays, stl containers) which needs clearing
 // after each event, this is the place to do that. The nodes under the DST node are cleared
 // by the framework
 //
 // int HerwigHepMCFilter::EndRun(const int runnumber)
 // This method is called at the end of a run when an event from a new run is
 // encountered. Useful when analyzing multiple runs (raw data). Also called at
 // the end of processing (before the End() method)
 //
 // int HerwigHepMCFilter::End(PHCompositeNode *topNode)
 // This is called at the end of processing. It needs to be called by the macro
 // by Fun4AllServer::End(), so do not forget this in your macro
 //
 // int HerwigHepMCFilter::Reset(PHCompositeNode *topNode)
 // not really used - it is called before the dtor is called
 //
 // void HerwigHepMCFilter::Print(const std::string &what) const
 // Called from the command line - useful to print information when you need it
 //
 //____________________________________________________________________________..
 
 #include "HerwigHepMCFilter.h"
 
 #include <fun4all/Fun4AllReturnCodes.h>
 
 #include <phool/PHCompositeNode.h>
 
 //____________________________________________________________________________..
 HerwigHepMCFilter::HerwigHepMCFilter(int n_events, const std::string &name):
  SubsysReco(name)
 {
   this->goal_number=n_events;
   std::cout << "HerwigHepMCFilter::HerwigHepMCFilter(const std::string &name) Calling ctor" << std::endl;
 }
 
 //____________________________________________________________________________..
 HerwigHepMCFilter::~HerwigHepMCFilter()
 {
   std::cout << "HerwigHepMCFilter::~HerwigHepMCFilter() Calling dtor" << std::endl;
 }
 
 //____________________________________________________________________________..
 int HerwigHepMCFilter::Init(PHCompositeNode *topNode)
 {
   std::cout << "HerwigHepMCFilter::Init(PHCompositeNode *topNode) Initializing" << std::endl;
   return Fun4AllReturnCodes::EVENT_OK;
 }
 
 //____________________________________________________________________________..
 int HerwigHepMCFilter::InitRun(PHCompositeNode *topNode)
 {
   std::cout << "HerwigHepMCFilter::InitRun(PHCompositeNode *topNode) Initializing for Run XXX" << std::endl;
   return Fun4AllReturnCodes::EVENT_OK;
 }
 
 //____________________________________________________________________________..
 int HerwigHepMCFilter::process_event(PHCompositeNode *topNode)
 {
   std::cout << "HerwigHepMCFilter::process_event(PHCompositeNode *topNode) Processing Event" << std::endl;
   return Fun4AllReturnCodes::EVENT_OK;
 }
 
 //____________________________________________________________________________..
 int HerwigHepMCFilter::ResetEvent(PHCompositeNode *topNode)
 {
   std::cout << "HerwigHepMCFilter::ResetEvent(PHCompositeNode *topNode) Resetting internal structures, prepare for next event" << std::endl;
   return Fun4AllReturnCodes::EVENT_OK;
 }
 
 //____________________________________________________________________________..
 int HerwigHepMCFilter::EndRun(const int runnumber)
 {
   std::cout << "HerwigHepMCFilter::EndRun(const int runnumber) Ending Run for Run " << runnumber << std::endl;
   return Fun4AllReturnCodes::EVENT_OK;
 }
 
 //____________________________________________________________________________..
 int HerwigHepMCFilter::End(PHCompositeNode *topNode)
 {
   std::cout << "HerwigHepMCFilter::End(PHCompositeNode *topNode) This is the End..." << std::endl;
   return Fun4AllReturnCodes::EVENT_OK;
 }
 
 //____________________________________________________________________________..
 int HerwigHepMCFilter::Reset(PHCompositeNode *topNode)
 {
  std::cout << "HerwigHepMCFilter::Reset(PHCompositeNode *topNode) being Reset" << std::endl;
   return Fun4AllReturnCodes::EVENT_OK;
 }
 
 //____________________________________________________________________________..
 void HerwigHepMCFilter::Print(const std::string &what) const
 {
   std::cout << "HerwigHepMCFilter::Print(const std::string &what) const Printing info for " << what << std::endl;
 }

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