.. _program_listing_file_Root_IParticleHistsAlgo.cxx:

Program Listing for File IParticleHistsAlgo.cxx
===============================================

|exhale_lsh| :ref:`Return to documentation for file <file_Root_IParticleHistsAlgo.cxx>` (``Root/IParticleHistsAlgo.cxx``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #include <EventLoop/Job.h>
   #include <EventLoop/StatusCode.h>
   #include <EventLoop/Worker.h>
   
   #include <xAODBase/IParticleContainer.h>
   #include <xAODEventInfo/EventInfo.h>
   #include <AthContainers/ConstDataVector.h>
   
   #include <xAODAnaHelpers/IParticleHistsAlgo.h>
   #include <xAODAnaHelpers/HelperFunctions.h>
   #include <xAODAnaHelpers/HelperClasses.h>
   
   // this is needed to distribute the algorithm to the workers
   ClassImp(IParticleHistsAlgo)
   
   IParticleHistsAlgo :: IParticleHistsAlgo (std::string className) :
       Algorithm(className)
   {
   }
   
   EL::StatusCode IParticleHistsAlgo :: setupJob (EL::Job& job)
   {
     job.useXAOD();
     xAOD::Init("IParticleHistsAlgo").ignore();
   
     return EL::StatusCode::SUCCESS;
   }
   
   EL::StatusCode IParticleHistsAlgo :: histInitialize ()
   {
   
     ANA_MSG_INFO( m_name );
     ANA_CHECK( xAH::Algorithm::algInitialize());
     return EL::StatusCode::SUCCESS;
   }
   
   EL::StatusCode IParticleHistsAlgo::AddHists( std::string name ) {
     std::string fullname(m_name);
     fullname += name; // add systematic
     IParticleHists* particleHists = new IParticleHists( fullname, m_detailStr, m_histPrefix, m_histTitle ); // add systematic
     particleHists->m_debug = msgLvl(MSG::DEBUG);
     ANA_CHECK( particleHists->initialize());
     particleHists->record( wk() );
     m_plots[name] = particleHists;
   
     return EL::StatusCode::SUCCESS;
   }
   
   EL::StatusCode IParticleHistsAlgo :: fileExecute () { return EL::StatusCode::SUCCESS; }
   EL::StatusCode IParticleHistsAlgo :: changeInput (bool /*firstFile*/) { return EL::StatusCode::SUCCESS; }
   
   EL::StatusCode IParticleHistsAlgo :: initialize ()
   {
     ANA_MSG_DEBUG( m_name);
   
     // in case anything was missing or blank...
     if( m_inContainerName.empty() || m_detailStr.empty() ){
       ANA_MSG_ERROR( "One or more required configuration values are empty");
       return EL::StatusCode::FAILURE;
     }
   
   
     // only running 1 collection
     if(m_inputAlgo.empty()) { AddHists( "" ); }
     m_event = wk()->xaodEvent();
     m_store = wk()->xaodStore();
     return EL::StatusCode::SUCCESS;
   }
   
   EL::StatusCode IParticleHistsAlgo :: execute ()
   {
     return execute<IParticleHists, xAOD::IParticleContainer>();
   }
   
   EL::StatusCode IParticleHistsAlgo :: postExecute () { return EL::StatusCode::SUCCESS; }
   
   EL::StatusCode IParticleHistsAlgo :: finalize () {
     ANA_MSG_DEBUG( m_name );
     for( auto plots : m_plots ) {
       if(plots.second){
         plots.second->finalize();
         delete plots.second;
       }
     }
     return EL::StatusCode::SUCCESS;
   }
   
   EL::StatusCode IParticleHistsAlgo :: histFinalize () {
     ANA_CHECK( xAH::Algorithm::algFinalize());
     return EL::StatusCode::SUCCESS;
   }