Algorithm.cpp

#include "MantidAPI/Algorithm.h"
#include "MantidAPI/AlgorithmHistory.h"
#include "MantidAPI/AlgorithmManager.h"
#include "MantidAPI/AlgorithmProxy.h"
#include "MantidAPI/AnalysisDataService.h"
#include "MantidAPI/DeprecatedAlgorithm.h"
#include "MantidAPI/FrameworkManager.h"
#include "MantidAPI/IWorkspaceProperty.h"
#include "MantidAPI/WorkspaceGroup.h"
#include "MantidAPI/WorkspaceHistory.h"

#include "MantidKernel/ConfigService.h"
#include "MantidKernel/EmptyValues.h"
#include "MantidKernel/DateAndTime.h"
#include "MantidKernel/MultiThreaded.h"
#include "MantidKernel/Strings.h"
#include "MantidKernel/Timer.h"
#include "MantidKernel/UsageService.h"

#include <boost/algorithm/string/regex.hpp>
#include <boost/weak_ptr.hpp>

#include <Poco/ActiveMethod.h>
#include <Poco/ActiveResult.h>
#include <Poco/NotificationCenter.h>
#include <Poco/RWLock.h>
#include <MantidKernel/StringTokenizer.h>
#include <Poco/Void.h>

#include <json/json.h>

#include <map>

using namespace Mantid::Kernel;

namespace Mantid {
namespace API {
namespace {
/// Separator for workspace types in workspaceMethodOnTypes member
const std::string WORKSPACE_TYPES_SEPARATOR = ";";

class WorkspacePropertyValueIs {
public:
  explicit WorkspacePropertyValueIs(const std::string &value)
      : m_value(value){};
  bool operator()(IWorkspaceProperty *property) {
    Property *prop = dynamic_cast<Property *>(property);
    if (!prop)
      return false;
    return prop->value() == m_value;
  }

private:
  const std::string &m_value;
};
}

// Doxygen can't handle member specialization at the moment:
// https://bugzilla.gnome.org/show_bug.cgi?id=406027
// so we have to ignore them
///@cond
template <typename NumT> bool Algorithm::isEmpty(const NumT toCheck) {
  return static_cast<int>(toCheck) == EMPTY_INT();
}

template <> MANTID_API_DLL bool Algorithm::isEmpty(const double toCheck) {
  return std::abs((toCheck - EMPTY_DBL()) / (EMPTY_DBL())) < 1e-8;
}

// concrete instantiations
template MANTID_API_DLL bool Algorithm::isEmpty<int>(const int);
template MANTID_API_DLL bool Algorithm::isEmpty<int64_t>(const int64_t);
template MANTID_API_DLL bool Algorithm::isEmpty<std::size_t>(const std::size_t);
///@endcond

//=============================================================================================
//================================== Constructors/Destructors
//=================================
//=============================================================================================

/// Initialize static algorithm counter
size_t Algorithm::g_execCount = 0;

/// Constructor
Algorithm::Algorithm()
    : PropertyManagerOwner(), m_cancel(false), m_parallelException(false),
      m_log("Algorithm"), g_log(m_log), m_groupSize(0), m_executeAsync(nullptr),
      m_notificationCenter(nullptr), m_progressObserver(nullptr),
      m_isInitialized(false), m_isExecuted(false), m_isChildAlgorithm(false),
      m_recordHistoryForChild(false), m_alwaysStoreInADS(false),
      m_runningAsync(false), m_running(false), m_rethrow(false),
      m_isAlgStartupLoggingEnabled(true), m_startChildProgress(0.),
      m_endChildProgress(0.), m_algorithmID(this), m_singleGroup(-1),
      m_groupsHaveSimilarNames(false) {}

/// Virtual destructor
Algorithm::~Algorithm() {
  delete m_notificationCenter;
  delete m_executeAsync;
  delete m_progressObserver;
}

//=============================================================================================
//================================== Simple Getters/Setters
//===================================
//=============================================================================================

//---------------------------------------------------------------------------------------------
/// Has the Algorithm already been initialized
bool Algorithm::isInitialized() const { return m_isInitialized; }

/// Has the Algorithm already been executed
bool Algorithm::isExecuted() const { return m_isExecuted; }

//---------------------------------------------------------------------------------------------
/// Set the Algorithm initialized state
void Algorithm::setInitialized() { m_isInitialized = true; }

/** Set the executed flag to the specified state
// Public in Gaudi - don't know why and will leave here unless we find a reason
otherwise
//     Also don't know reason for different return type and argument.
@param state :: New executed state
*/
void Algorithm::setExecuted(bool state) { m_isExecuted = state; }

//---------------------------------------------------------------------------------------------
/** To query whether algorithm is a child.
*  @returns true - the algorithm is a child algorithm.  False - this is a full
* managed algorithm.
*/
bool Algorithm::isChild() const { return m_isChildAlgorithm; }

/** To set whether algorithm is a child.
*  @param isChild :: True - the algorithm is a child algorithm.  False - this is
* a full managed algorithm.
*/
void Algorithm::setChild(const bool isChild) { m_isChildAlgorithm = isChild; }

/**
 * Change the state of the history recording flag. Only applicable for
 * child algorithms.
 * @param on :: The new state of the flag
 */
void Algorithm::enableHistoryRecordingForChild(const bool on) {
  m_recordHistoryForChild = on;
}

/** Do we ALWAYS store in the AnalysisDataService? This is set to true
 * for python algorithms' child algorithms
 *
 * @param doStore :: always store in ADS
 */
void Algorithm::setAlwaysStoreInADS(const bool doStore) {
  m_alwaysStoreInADS = doStore;
}

/** Set whether the algorithm will rethrow exceptions
 * @param rethrow :: true if you want to rethrow exception.
 */
void Algorithm::setRethrows(const bool rethrow) { this->m_rethrow = rethrow; }

/// True if the algorithm is running.
bool Algorithm::isRunning() const { return m_running; }

//---------------------------------------------------------------------------------------------
/**  Add an observer to a notification
@param observer :: Reference to the observer to add
*/
void Algorithm::addObserver(const Poco::AbstractObserver &observer) const {
  notificationCenter().addObserver(observer);
}

/**  Remove an observer
@param observer :: Reference to the observer to remove
*/
void Algorithm::removeObserver(const Poco::AbstractObserver &observer) const {
  notificationCenter().removeObserver(observer);
}

//---------------------------------------------------------------------------------------------
/** Sends ProgressNotification.
 * @param p :: Reported progress,  must be between 0 (just started) and 1
 * (finished)
 * @param msg :: Optional message string
 * @param estimatedTime :: Optional estimated time to completion
 * @param progressPrecision :: optional, int number of digits after the decimal
 * point to show.
*/
void Algorithm::progress(double p, const std::string &msg, double estimatedTime,
                         int progressPrecision) {
  notificationCenter().postNotification(
      new ProgressNotification(this, p, msg, estimatedTime, progressPrecision));
}

//---------------------------------------------------------------------------------------------
/// Function to return all of the categories that contain this algorithm
const std::vector<std::string> Algorithm::categories() const {
  Mantid::Kernel::StringTokenizer tokenizer(
      category(), categorySeparator(),