ConstraintFactory.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 "MantidAPI/ConstraintFactory.h"
#include "MantidAPI/Expression.h"
#include "MantidAPI/IConstraint.h"
#include "MantidKernel/LibraryManager.h"
#include "MantidKernel/StringTokenizer.h"
 
namespace Mantid::API {
 
ConstraintFactoryImpl::ConstraintFactoryImpl() : Kernel::DynamicFactory<IConstraint>() {
  // we need to make sure the library manager has been loaded before we
  // are constructed so that it is destroyed after us and thus does
  // not close any loaded DLLs with loaded algorithms in them
  Mantid::Kernel::LibraryManager::Instance();
}
 
IConstraint *ConstraintFactoryImpl::createInitialized(IFunction *fun, const std::string &input, bool isDefault) const {
  Expression expr;
  expr.parse(input);
  return createInitialized(fun, expr, isDefault);
}
 
IConstraint *ConstraintFactoryImpl::createInitialized(IFunction *fun, const Expression &expr, bool isDefault) const {
  IConstraint *c = nullptr;
  if (expr.name() == "==") {
    c = createUnwrapped("BoundaryConstraint");
  } else {
    c = createUnwrapped(expr.name());
  }
  c->initialize(fun, expr, isDefault);
  return c;
}
 
} // namespace Mantid::API