examples/DstExample/DstExampleFactory.cc

0001
0002 // Copyright 2020, Jefferson Science Associates, LLC.
0003 // Subject to the terms in the LICENSE file found in the top-level directory.
0004
0005 #include "DstExampleFactory.h"
0006 #include "DataObjects.h"
0007
0008 #include <JANA/JEvent.h>
0009
0010 void DstExampleFactory::Init() {
0011
0012     /// This is necessary to generate the virtual function which does the conversion.
0013     /// Otherwise your datatype won't show up when you call event->GetAllChildren<T>.
0014     /// You can call this from the ctor, from Init, or from JEventSource::GetEvent.
0015
0016     EnableGetAs<JObject>();
0017     EnableGetAs<Renderable>();
0018 }
0019
0020 void DstExampleFactory::ChangeRun(const std::shared_ptr<const JEvent>&) {
0021 }
0022
0023 void DstExampleFactory::Process(const std::shared_ptr<const JEvent> &event) {
0024
0025     auto inputs = event->Get<MyRenderableJObject>("from_source");
0026
0027     std::vector<MyRenderableJObject*> results;
0028
0029     for (auto input : inputs) {
0030         // "Smear" each input
0031         auto mrj = new MyRenderableJObject(input->x + 1, input->y + 1, input->E + 1);
0032         results.push_back(mrj);
0033     }
0034
0035     Set(results);
0036 }