ObsIdentity.h

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/*
 * (C) Copyright 2017-2018 UCAR
 * 
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
 */
 
#ifndef UFO_IDENTITY_OBSIDENTITY_H_
#define UFO_IDENTITY_OBSIDENTITY_H_
 
#include <ostream>
#include <string>
 
#include "oops/base/Variables.h"
#include "oops/util/ObjectCounter.h"
#include "ufo/identity/ObsIdentity.interface.h"
#include "ufo/ObsOperatorBase.h"
 
/// Forward declarations
namespace eckit {
  class Configuration;
}
 
namespace ioda {
  class ObsSpace;
  class ObsVector;
}
 
namespace ufo {
  class GeoVaLs;
  class ObsDiagnostics;
 
// -----------------------------------------------------------------------------
/// Generic identity observation operator class
class ObsIdentity : public ObsOperatorBase,
                          private util::ObjectCounter<ObsIdentity> {
 public:
  static const std::string classname() {return "ufo::ObsIdentity";}
 
  ObsIdentity(const ioda::ObsSpace &, const eckit::Configuration &);
  virtual ~ObsIdentity();
 
// Obs Operator
  void simulateObs(const GeoVaLs &, ioda::ObsVector &, ObsDiagnostics &) const override;
 
// Other
  const oops::Variables & requiredVars() const override {return varin_;}
 
  int & toFortran() {return keyOperObsIdentity_;}
  const int & toFortran() const {return keyOperObsIdentity_;}
 
 private:
  void print(std::ostream &) const override;
  F90hop keyOperObsIdentity_;
  const ioda::ObsSpace& odb_;
  oops::Variables varin_;
};
 
// -----------------------------------------------------------------------------
 
}  // namespace ufo
#endif  // UFO_IDENTITY_OBSIDENTITY_H_