Tpetra_Packable.hpp

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#ifndef TPETRA_PACKABLE_DECL_HPP
#define TPETRA_PACKABLE_DECL_HPP


#include <Teuchos_Array.hpp>
#include <Teuchos_ArrayView.hpp>

namespace Tpetra {

  // Forward declaration of Distributor.  We don't actually need to
  // include Distributor here, since we only refer to it by reference
  // in this file and don't call any of its methods or refer to any of
  // its fields.  Subclasses should be sure to include
  // Tpetra_Distributor.hpp.
  class Distributor;

  template<class Packet, class LocalOrdinal>
  class Packable {
  public:
    virtual void
    pack (const Teuchos::ArrayView<const LocalOrdinal>& exportLIDs,
          Teuchos::Array<Packet>& exports,
          const Teuchos::ArrayView<size_t>& numPacketsPerLID,
          size_t& constantNumPackets,
          Distributor &distor) const = 0;

    virtual ~Packable () {}
  };

} // namespace Tpetra

#endif /* TPETRA_PACKABLE_DECL_HPP */