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o2BasicArrowWorkflow.cpp
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46 lines (40 loc) · 1.54 KB
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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
#include "Framework/DataRefUtils.h"
#include "Framework/runDataProcessing.h"
#include "Framework/Monitoring.h"
#include "Framework/Logger.h"
#include "Framework/TableBuilder.h"
#include <TH1F.h>
#include <chrono>
#include <vector>
using Monitoring = o2::monitoring::Monitoring;
using namespace o2::framework;
using DataHeader = o2::header::DataHeader;
using DataOrigin = o2::header::DataOrigin;
std::vector<DataProcessorSpec> defineDataProcessing(ConfigContext const&)
{
DataProcessorSpec timeframeReader{
"reader",
Inputs{},
{OutputSpec{{"tpc"}, "TPC", "CLUSTERS"}},
AlgorithmSpec{
[](ProcessingContext& ctx) {
std::this_thread::sleep_for(std::chrono::seconds(1));
auto builder = ctx.outputs().make<TableBuilder>(Output{"TPC", "CLUSTERS", 0});
auto rowWriter = builder->persist<float, float, float>({"x", "y", "z"});
for (size_t i = 0; i < 3; ++i) {
rowWriter(0, 0.f, 0.f, 0.f);
}
builder->finalize();
}}};
return {timeframeReader};
}