.. _program_listing_file_Root_MessagePrinterAlgo.cxx:

Program Listing for File MessagePrinterAlgo.cxx
===============================================

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

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

.. code-block:: cpp

   // EL include(s):
   #include <EventLoop/Job.h>
   #include <EventLoop/Worker.h>
   #include "EventLoop/OutputStream.h"
   
   #include <xAODAnaHelpers/MessagePrinterAlgo.h>
   
   // this is needed to distribute the algorithm to the workers
   ClassImp(MessagePrinterAlgo)
   
   MessagePrinterAlgo :: MessagePrinterAlgo () :
       Algorithm("MessagePrinterAlgo")
   {
   }
   
   
   EL::StatusCode MessagePrinterAlgo :: setupJob (EL::Job& job)
   {
     job.useXAOD();
     xAOD::Init("MessagePrinterAlgo").ignore(); // call before opening first file
     return EL::StatusCode::SUCCESS;
   }
   
   
   
   EL::StatusCode MessagePrinterAlgo :: histInitialize ()
   {
     ANA_CHECK( xAH::Algorithm::algInitialize());
     if(numInstances() != 1){
       ANA_MSG_FATAL( "More than one instance of MessagePrinterAlgo was created. Aborting.");
       return EL::StatusCode::FAILURE;
     }
   
     // otherwise, we're fine, let's just set up the messaging correctly
     m_messagePrinter.reset(new asg::MessagePrinter(m_sourceWidth));
     m_messagePrinterOverlay.reset(new asg::MessagePrinterOverlay(m_messagePrinter.get()));
   
     return EL::StatusCode::SUCCESS;
   }
   
   EL::StatusCode MessagePrinterAlgo :: fileExecute () { return EL::StatusCode::SUCCESS; }
   EL::StatusCode MessagePrinterAlgo :: changeInput (bool /*firstFile*/) { return EL::StatusCode::SUCCESS; }
   EL::StatusCode MessagePrinterAlgo :: initialize () { return EL::StatusCode::SUCCESS; }
   EL::StatusCode MessagePrinterAlgo :: execute () { return EL::StatusCode::SUCCESS; }
   EL::StatusCode MessagePrinterAlgo :: postExecute () { return EL::StatusCode::SUCCESS; }
   EL::StatusCode MessagePrinterAlgo :: finalize () { return EL::StatusCode::SUCCESS; }
   
   EL::StatusCode MessagePrinterAlgo :: histFinalize ()
   {
     ANA_CHECK( xAH::Algorithm::algFinalize());
     return EL::StatusCode::SUCCESS;
   }