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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/Model/Job/JobWorker.cpp
//! @brief Implements class JobWorker.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "GUI/Model/Job/JobWorker.h"
#include "Base/Util/Assert.h"
#include "Device/Data/Datafield.h"
#include "GUI/Model/Job/JobStatus.h"
#include "Sim/Simulation/ScatteringSimulation.h"
#include <utility>
JobWorker::JobWorker(ISimulation* simulation)
: m_simulation(simulation)
, m_percentage_done(0)
, m_job_status(JobStatus::Idle)
, m_terminate_request_flag(false)
{
}
JobWorker::~JobWorker() = default;
void JobWorker::start()
{
m_terminate_request_flag = false;
m_simulation_start = QDateTime::currentDateTime();
m_simulation_end = QDateTime();
m_result.reset();
emit started();
try {
m_job_status = JobStatus::Running;
ASSERT(m_simulation);
m_simulation->subscribe([this](size_t percentage_done) {
return updateProgress(static_cast<int>(percentage_done));
});
Datafield result = m_simulation->simulate();
if (m_job_status != JobStatus::Canceled)
m_job_status = JobStatus::Completed;
m_result = std::make_unique<Datafield>(result);
} catch (const std::exception& ex) {
m_job_status = JobStatus::Failed;
m_percentage_done = 100;
m_failure_message = ex.what();
}
m_simulation_end = QDateTime::currentDateTime();
emit progressUpdate();
emit finished();
}
//! Sets request for JobRunner to terminate underlying domain simulation.
void JobWorker::terminate()
{
m_terminate_request_flag = true;
m_job_status = JobStatus::Canceled;
}
//! Sets current progress. Returns true if we want to continue the simulation.
bool JobWorker::updateProgress(int percentage_done)
{
if (percentage_done > m_percentage_done) {
m_percentage_done = percentage_done;
emit progressUpdate();
}
return !m_terminate_request_flag;
}
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