/*
 * Filler.hpp
 *
 *  Created on: Jan 16, 2012
 *      Author: heber
 */

#ifndef FILLER_HPP_
#define FILLER_HPP_


// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <vector>

#include "Cluster.hpp"
#include "Predicates/FillPredicate.hpp"
#include "Mesh/Mesh.hpp"
#include "NodeTypes.hpp"

class CopyAtomsInterface;
class FillPredicate;
class Inserter;
class Mesh;

/** This class operators on a set of nodes (Vector's), checks which fulfill some
 * given predicate, and fills these position with a given molecule lateron.
 *
 */
class Filler
{
public:
  /** Constructor for class Filler.
   *
   * \note We store inverted \a _predicate because we need it only for
   * remove_copy_if which works in this inverted way as desired.
   *
   * @param _mesh Mesh with a NodeSet that fills its Shape
   * @param _predicate predicate construct to check at each Node
   * @param _inserter inserter which places the cloned cluster
   */
  Filler(const Mesh &_mesh, const FillPredicate &_predicate, const Inserter &_inserter);

  /** Destructor for class Filler.
   *
   */
  ~Filler();

  //!> typedef Vector of clusters as return type for operator()
  typedef std::vector<ClusterInterface::Cluster_impl> ClusterVector_t;

  /** Fill in the desired Cluster at each remaining node.
   *
   * \note The cluster is non-const because it is moved to the first vacant node.
   *
   * @param copyMethod functor that knows how to copy atoms.
   * @param cluster set of atomic ids contained in a specific Shape to fill each Node with
   * @param ClonedClusters reference to vector of clusters, that is filled with created clones
   * @return true - all clusters inserted succesfully, else - insertion failed
   */
  bool operator()(CopyAtomsInterface &copyMethod, ClusterInterface::Cluster_impl cluster, ClusterVector_t &ClonedClusters) const;

private:

  //!> mesh is the set of points filling a Shape
  const Mesh mesh;
  //!> the predicate is evaluted whether a Node in the NodeSet of mesh is filled or not
  const FillPredicate predicate;
  //!> Inserter function to allow for some changes when placing the cluster at the node
  const Inserter &inserter;
};


#endif /* FILLER_HPP_ */