RootApplication_module.cc

// Class:       RootApplication
// Module Type: analyzer
// File:        RootApplication_module.cc
//
// Generated at Sun Dec  2 12:23:06 2012 by Alessandro Razeto & Nicola Rossi using artmod
// from art v1_02_04.

#include "art/Framework/Core/EDAnalyzer.h"
#include "art/Framework/Principal/Handle.h"
#include "art/Framework/Principal/Event.h"
#include "art/Framework/Core/ModuleMacros.h"

#include <iostream>
#include <future>
#include <TApplication.h>
#include <TSystem.h>
#include <unistd.h>

namespace demo
{
    class RootApplication : public art::EDAnalyzer
    {
    public:
        explicit RootApplication(fhicl::ParameterSet const& p);

        virtual ~RootApplication();

        void beginJob() override;

        void analyze(art::Event const& e) override;

        void endJob() override;

    private:
        std::unique_ptr<TApplication> app_;
        bool force_new_;
        bool dont_quit_;
    };
}

demo::RootApplication::RootApplication(fhicl::ParameterSet const& ps): art::EDAnalyzer(ps)
                                                                     , force_new_(ps.get<bool>("force_new", true))
                                                                     , dont_quit_(ps.get<bool>("dont_quit", false)) {}

demo::RootApplication::~RootApplication() { }

void demo::RootApplication::analyze(art::Event const&)
{
    gSystem->ProcessEvents();
}

void demo::RootApplication::beginJob()
{
    if (!gApplication || force_new_)
    {
        int tmp_argc(0);
        app_ = std::unique_ptr<TApplication>(new TApplication("noapplication", &tmp_argc, 0));
    }
}

void demo::RootApplication::endJob()
{
    if (dont_quit_) app_->Run(true);
}

DEFINE_ART_MODULE(demo::RootApplication)