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//                                               -*- C++ -*-
/**
 *  @file  BasisSequenceFactoryImplementation.hxx
 *  @brief A factory for building BasisSequence objects
 *
 *  (C) Copyright 2005-2011 EDF-EADS-Phimeca
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License.
 *
 *  This library is distributed in the hope that it will be useful
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 *  @author: $LastChangedBy: schueller $
 *  @date:   $LastChangedDate: 2010-11-09 13:44:00 +0100 (Tue, 09 Nov 2010) $
 *  Id:      $Id: BasisSequenceFactoryImplementation.hxx 1649 2010-11-09 12:44:00Z dutka $
 */
#ifndef OPENTURNS_BASISSEQUENCEFACTORYIMPLEMENTATION_HXX
#define OPENTURNS_BASISSEQUENCEFACTORYIMPLEMENTATION_HXX

#include <iostream>
#include "PersistentObject.hxx"
#include "BasisSequence.hxx"
#include "NumericalSample.hxx"
#include "Graph.hxx"

namespace OpenTURNS {

  namespace Base {

    namespace Func {

      /**
       * @class BasisSequenceFactoryImplementation
       *
       * A factory for building BasisSequence objects
       */
      class BasisSequenceFactoryImplementation
        : public Common::PersistentObject
      {
      CLASSNAME;
      public:
        typedef Base::Stat::NumericalSample NumericalSample;
        typedef Common::StorageManager      StorageManager;

        /** Default constructor */
        BasisSequenceFactoryImplementation(const Bool verbose = false);

        /** Virtual constructor */
        virtual BasisSequenceFactoryImplementation * clone() const = 0;

        /** Verbosity accessor */
        void setVerbose(const Bool verbose);
        Bool getVerbose() const;

        /** Method to create new BasisSequence objects */
        virtual BasisSequence build(const NumericalSample & x,
				    const NumericalSample & y,
				    const Basis & psi) const;

        /** Stopping criterion on the L1-norm of the coefficients accessor */
        void setMaximumRelativeConvergence(const NumericalScalar coefficientsPaths);
        NumericalScalar getMaximumRelativeConvergence() const;

        /** String converter */
        virtual String __repr__() const;
        virtual String __str__(const String & offset = "") const;

        /** Method save() stores the object through the StorageManager */
        virtual void save(StorageManager::Advocate & adv) const;

        /** Method load() reloads the object from the StorageManager */
        virtual void load(StorageManager::Advocate & adv);

      protected:
        /** Verbosity flag */
        Bool verbose_;

        /** Stopping criterion on the L1-norm of the coefficients */
        NumericalScalar maximumRelativeConvergence_;

      }; /* class BasisSequenceFactoryImplementation */


    } /* namespace Func */
  } /* namespace Base */
} /* namespace OpenTURNS */

#endif /* OPENTURNS_BASISSEQUENCEFACTORYIMPLEMENTATION_HXX */