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o2DataQueryWorkflow.cxx
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68 lines (64 loc) · 2.34 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/ConfigParamSpec.h"
#include "Framework/CompletionPolicy.h"
#include "Framework/DeviceSpec.h"
#include "Framework/runDataProcessing.h"
#include "Framework/WorkflowSpec.h"
#include <chrono>
#include <thread>
#include <vector>
#include <iostream>
using namespace o2::framework;
AlgorithmSpec simplePipe(std::string const& what, o2::header::DataHeader::SubSpecificationType subSpec, int minDelay)
{
return AlgorithmSpec{[what, minDelay, subSpec](InitContext& ic) {
srand(getpid());
return [what, minDelay, subSpec](ProcessingContext& ctx) {
std::this_thread::sleep_for(std::chrono::seconds((rand() % 5) + minDelay));
auto& bData = ctx.outputs().make<int>(OutputRef{what, subSpec}, 1);
bData[0] = subSpec;
};
}};
}
// This demonstrates how to use the ``select'' helper to construct inputs for
// you.
WorkflowSpec defineDataProcessing(ConfigContext const& specs)
{
return WorkflowSpec{
{"A",
select(),
{OutputSpec{{"a1"}, "TST", "A1"},
OutputSpec{{"a2"}, "TST", "A2"}},
AlgorithmSpec{
[](ProcessingContext& ctx) {
std::this_thread::sleep_for(std::chrono::seconds(rand() % 2));
auto& aData = ctx.outputs().make<int>(OutputRef{"a1"}, 1);
auto& bData = ctx.outputs().make<int>(OutputRef{"a2"}, 1);
}}},
{"B",
select("x:TST/A1/0"), // This will match TST/A1/0 as <origin>/<description>/<subspec> and bind it to x
{OutputSpec{{"b1"}, "TST", "FORD", 0}},
simplePipe("b1", 0, 3)},
{"C",
select("x:TST/A2/0"),
Outputs{OutputSpec{{"c1"}, "TST", "FORD", 1}},
simplePipe("c1", 1, 2)},
{"D",
select("x:TST/FORD"),
Outputs{},
AlgorithmSpec{
[](ProcessingContext& ctx) {
auto& x = ctx.inputs().get<int>("x");
std::cout << x << std::endl;
},
}}};
}