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StopRemoteTransaction.cpp
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StopRemoteTransaction.cpp
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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
// NScD Oak Ridge National Laboratory, European Spallation Source,
// Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#include "MantidRemoteAlgorithms/StopRemoteTransaction.h"
#include "MantidKernel/ConfigService.h"
#include "MantidKernel/FacilityInfo.h"
#include "MantidKernel/ListValidator.h"
#include "MantidKernel/MandatoryValidator.h"
#include "MantidKernel/SimpleJSON.h"
#include "MantidKernel/RemoteJobManager.h"
#include "boost/make_shared.hpp"
namespace Mantid {
namespace RemoteAlgorithms {
// Register the algorithm into the AlgorithmFactory
DECLARE_ALGORITHM(StopRemoteTransaction)
using namespace Mantid::Kernel;
// A reference to the logger is provided by the base class, it is called g_log.
void StopRemoteTransaction::init() {
auto requireValue =
std::make_shared<Mantid::Kernel::MandatoryValidator<std::string>>();
// Compute Resources
std::vector<std::string> computes = Mantid::Kernel::ConfigService::Instance()
.getFacility()
.computeResources();
declareProperty(
"ComputeResource", "", std::make_shared<StringListValidator>(computes),
"The name of the remote computer where the transaction was created",
Direction::Input);
// The transaction ID comes from the StartRemoteTransaction algortithm
declareProperty("TransactionID", "", requireValue,
"The ID string returned when the transaction was created",
Mantid::Kernel::Direction::Input);
}
void StopRemoteTransaction::exec() {
std::shared_ptr<RemoteJobManager> jobManager =
Mantid::Kernel::ConfigService::Instance()
.getFacility()
.getRemoteJobManager(getPropertyValue("ComputeResource"));
// jobManager is a std::shared_ptr...
if (!jobManager) {
// Requested compute resource doesn't exist
// TODO: should we create our own exception class for this??
throw(std::runtime_error(
std::string("Unable to create a compute resource named " +
getPropertyValue("ComputeResource"))));
}
std::string transId = getPropertyValue("TransactionID");
std::istream &respStream = jobManager->httpGet(
"/transaction", std::string("Action=Stop&TransID=") + transId);
if (jobManager->lastStatus() == Poco::Net::HTTPResponse::HTTP_OK) {
g_log.information() << "Transaction ID " << transId << " stopped.\n";
} else {
JSONObject resp;
initFromStream(resp, respStream);
std::string errMsg;
resp["Err_Msg"].getValue(errMsg);
throw(std::runtime_error(errMsg));
}
}
} // end namespace RemoteAlgorithms
} // end namespace Mantid