Tpetra_Directory_decl.hpp

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#ifndef TPETRA_DIRECTORY_DECL_HPP
#define TPETRA_DIRECTORY_DECL_HPP

#include "Tpetra_ConfigDefs.hpp"
#include "Tpetra_Map_decl.hpp"
#include "Tpetra_DirectoryImpl_decl.hpp"
#include "Tpetra_TieBreak.hpp"
#include <Teuchos_Describable.hpp>

namespace Tpetra {

namespace Classes {

  template<class LocalOrdinal = ::Tpetra::Details::DefaultTypes::local_ordinal_type,
           class GlobalOrdinal = ::Tpetra::Details::DefaultTypes::global_ordinal_type,
           class Node = ::Tpetra::Details::DefaultTypes::node_type>
  class Directory : public Teuchos::Describable {
  public:
    typedef Map<LocalOrdinal, GlobalOrdinal, Node> map_type;



    Directory ();

    ~Directory ();

    void initialize (const map_type& map);

    void
    initialize (const map_type& map,
                const Tpetra::Details::TieBreak<LocalOrdinal, GlobalOrdinal>& tieBreak);

    bool initialized () const;

    template <class Node2>
    Teuchos::RCP<Directory<LocalOrdinal,GlobalOrdinal,Node2> >
    clone (const Map<LocalOrdinal,GlobalOrdinal,Node2>& clone_map) const
    {
      using Teuchos::RCP;
      typedef LocalOrdinal LO;
      typedef GlobalOrdinal GO;

      RCP<Directory<LO, GO, Node2> > dir (new Directory<LO, GO, Node2> ());
      if (clone_map.isDistributed ()) {
        if (clone_map.isUniform ()) {
          typedef ::Tpetra::Details::ContiguousUniformDirectory<LO, GO, Node> impl_type;
          const impl_type* theImpl = dynamic_cast<const impl_type*> (impl_);
          TEUCHOS_TEST_FOR_EXCEPTION(
            theImpl == NULL, std::logic_error, "Tpetra::Directory::clone: "
            "The input Map claims to be distributed, contiguous, and uniform, "
            "but its Directory's implementation type does not match that assumption.  "
            "Please report this bug to the Tpetra developers.");
          dir->impl_ = theImpl->template clone<Node2> (clone_map);
        }
        else if (clone_map.isContiguous ()) {
          typedef ::Tpetra::Details::DistributedContiguousDirectory<LO, GO, Node> impl_type;
          const impl_type* theImpl = dynamic_cast<const impl_type*> (impl_);
          TEUCHOS_TEST_FOR_EXCEPTION(
            theImpl == NULL, std::logic_error, "Tpetra::Directory::clone: "
            "The input Map claims to be distributed and contiguous, but its "
            "Directory's implementation type does not match that assumption.  "
            "Please report this bug to the Tpetra developers.");
          dir->impl_ = theImpl->template clone<Node2> (clone_map);
        }
        else { // not contiguous
          typedef ::Tpetra::Details::DistributedNoncontiguousDirectory<LO, GO, Node> impl_type;
          const impl_type* theImpl = dynamic_cast<const impl_type*> (impl_);
          TEUCHOS_TEST_FOR_EXCEPTION(
            theImpl == NULL, std::logic_error, "Tpetra::Directory::clone: "
            "The input Map claims to be noncontiguous, but its "
            "Directory's implementation type does not match that assumption.  "
            "Please report this bug to the Tpetra developers.");
          dir->impl_ = theImpl->template clone<Node2> (clone_map);
        }
      }
      else { // locally replicated (not distributed)
        typedef ::Tpetra::Details::ReplicatedDirectory<LO, GO, Node> impl_type;
        const impl_type* theImpl = dynamic_cast<const impl_type*> (impl_);
        TEUCHOS_TEST_FOR_EXCEPTION(
          theImpl == NULL, std::logic_error, "Tpetra::Directory::clone: "
          "The input Map claims to be locally replicated, but its "
          "Directory's implementation type does not match that assumption.  "
          "Please report this bug to the Tpetra developers.");
        dir->impl_ = theImpl->template clone<Node2> (clone_map);
      }
      return dir;
    }



    std::string description () const;



    LookupStatus
    getDirectoryEntries (const map_type& map,
                         const Teuchos::ArrayView<const GlobalOrdinal>& globalIDs,
                         const Teuchos::ArrayView<int>& nodeIDs) const;

    LookupStatus
    getDirectoryEntries (const map_type& map,
                         const Teuchos::ArrayView<const GlobalOrdinal>& globalIDs,
                         const Teuchos::ArrayView<int>& nodeIDs,
                         const Teuchos::ArrayView<LocalOrdinal>& localIDs) const;

    bool isOneToOne (const map_type& map) const;

  private:
    typedef ::Tpetra::Details::Directory<LocalOrdinal, GlobalOrdinal, Node> base_type;

    const base_type* impl_;

    Directory (const Directory<LocalOrdinal, GlobalOrdinal, Node>& directory);

    template <class LO, class GO, class N> friend class Directory;

    Directory<LocalOrdinal, GlobalOrdinal, Node>&
    operator= (const Directory<LocalOrdinal, GlobalOrdinal, Node>& source);
  }; // class Directory

} // namespace Classes

} // namespace Tpetra

#endif // TPETRA_DIRECTORY_DECL_HPP