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//             Xpetra: A linear algebra interface package
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#ifndef XPETRA_CRSGRAPH_HPP
#define XPETRA_CRSGRAPH_HPP

/* this file is automatically generated - do not edit (see script/interfaces.py) */

#include <Teuchos_ParameterList.hpp>

#include <Teuchos_Describable.hpp>
#include <Kokkos_DefaultNode.hpp>
#include "Xpetra_ConfigDefs.hpp"
#include "Xpetra_DistObject.hpp"
#include "Xpetra_Exceptions.hpp"

#include "Xpetra_Map.hpp"

using Teuchos::ParameterList;

namespace Xpetra {

  struct RowInfo {
    size_t localRow;
    size_t allocSize;
    size_t numEntries;
    size_t offset1D;
  };

  enum ELocalGlobal {
    LocalIndices,
    GlobalIndices
  };

  template <class LocalOrdinal = Map<>::local_ordinal_type,
            class GlobalOrdinal = typename Map<LocalOrdinal>::global_ordinal_type,
            class Node = typename Map<LocalOrdinal, GlobalOrdinal>::node_type>
  class CrsGraph
    : /*public RowGraph<>,*/ public DistObject<GlobalOrdinal,LocalOrdinal,GlobalOrdinal,Node>
  {
  public:
    typedef LocalOrdinal local_ordinal_type;
    typedef GlobalOrdinal global_ordinal_type;
    typedef Node node_type;

    //! @name Constructor/Destructor Methods
    //@{

    //! Destructor.
    virtual ~CrsGraph() { }

   //@}

    //! @name Insertion/Removal Methods
    //@{

    //! Insert global indices into the graph.
    virtual void insertGlobalIndices(GlobalOrdinal globalRow, const ArrayView< const GlobalOrdinal > &indices)= 0;

    //! Insert local indices into the graph.
    virtual void insertLocalIndices(const LocalOrdinal localRow, const ArrayView< const LocalOrdinal > &indices)= 0;

    //! Remove all graph indices from the specified local row.
    virtual void removeLocalIndices(LocalOrdinal localRow)= 0;

    //@}

    //! @name Transformational Methods
    //@{

    //! Signal that data entry is complete, specifying domain and range maps.
    virtual void fillComplete(const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &domainMap, const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &rangeMap, const RCP< ParameterList > &params=null)= 0;

    //! Signal that data entry is complete.
    virtual void fillComplete(const RCP< ParameterList > &params=null)= 0;

    //@}

    //! @name Methods implementing RowGraph.
    //@{

    //! Returns the communicator.
    virtual RCP< const Comm< int > > getComm() const = 0;

    //! Returns the Map that describes the row distribution in this graph.
    virtual RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getRowMap() const = 0;

    //! Returns the Map that describes the column distribution in this graph.
    virtual RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getColMap() const = 0;

    //! Returns the Map associated with the domain of this graph.
    virtual RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getDomainMap() const = 0;

    //! Returns the Map associated with the domain of this graph.
    virtual RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getRangeMap() const = 0;

    //! Returns the importer associated with this graph.
    virtual RCP< const Import< LocalOrdinal, GlobalOrdinal, Node > > getImporter() const = 0;

    //! Returns the exporter associated with this graph.
    virtual RCP< const Export< LocalOrdinal, GlobalOrdinal, Node > > getExporter() const = 0;

    //! Returns the number of global rows in the graph.
    virtual global_size_t getGlobalNumRows() const = 0;

    //! Returns the number of global columns in the graph.
    virtual global_size_t getGlobalNumCols() const = 0;

    //! Returns the number of graph rows owned on the calling node.
    virtual size_t getNodeNumRows() const = 0;

    //! Returns the number of columns connected to the locally owned rows of this graph.
    virtual size_t getNodeNumCols() const = 0;

    //! Returns the index base for global indices for this graph.
    virtual GlobalOrdinal getIndexBase() const = 0;

    //! Returns the global number of entries in the graph.
    virtual global_size_t getGlobalNumEntries() const = 0;

    //! Returns the local number of entries in the graph.
    virtual size_t getNodeNumEntries() const = 0;

    //! Returns the current number of entries on this node in the specified global row.
    virtual size_t getNumEntriesInGlobalRow(GlobalOrdinal globalRow) const = 0;

    //! Returns the current number of entries on this node in the specified local row.
    virtual size_t getNumEntriesInLocalRow(LocalOrdinal localRow) const = 0;

    //! Returns the current number of allocated entries for this node in the specified global row .
    virtual size_t getNumAllocatedEntriesInGlobalRow(GlobalOrdinal globalRow) const = 0;

    //! Returns the current number of allocated entries on this node in the specified local row.
    virtual size_t getNumAllocatedEntriesInLocalRow(LocalOrdinal localRow) const = 0;

    //! Returns the number of global diagonal entries, based on global row/column index comparisons.
    virtual global_size_t getGlobalNumDiags() const = 0;

    //! Returns the number of local diagonal entries, based on global row/column index comparisons.
    virtual size_t getNodeNumDiags() const = 0;

    //! Maximum number of entries in all rows over all processes.
    virtual size_t getGlobalMaxNumRowEntries() const = 0;

    //! Maximum number of entries in all rows owned by the calling process.
    virtual size_t getNodeMaxNumRowEntries() const = 0;

    //! Whether the graph has a column Map.
    virtual bool hasColMap() const = 0;

    //! Whether the graph is locally lower triangular.
    virtual bool isLowerTriangular() const = 0;

    //! Whether the graph is locally upper triangular.
    virtual bool isUpperTriangular() const = 0;

    //! Whether column indices are stored using local indices on the calling process.
    virtual bool isLocallyIndexed() const = 0;

    //! Whether column indices are stored using global indices on the calling process.
    virtual bool isGloballyIndexed() const = 0;

    //! Whether fillComplete() has been called and the graph is in compute mode.
    virtual bool isFillComplete() const = 0;

    //! Returns true if storage has been optimized.
    virtual bool isStorageOptimized() const = 0;

    //! Return a const, nonpersisting view of global indices in the given row.
    virtual void getGlobalRowView(GlobalOrdinal GlobalRow, ArrayView< const GlobalOrdinal > &Indices) const = 0;

    //! Return a const, nonpersisting view of local indices in the given row.
    virtual void getLocalRowView(LocalOrdinal LocalRow, ArrayView< const LocalOrdinal > &indices) const = 0;

    //@}

    //! @name Overridden from Teuchos::Describable
    //@{

    //! Return a simple one-line description of this object.
    virtual std::string description() const = 0;

    //! Print the object with some verbosity level to an FancyOStream object.
    virtual void describe(Teuchos::FancyOStream &out, const Teuchos::EVerbosityLevel verbLevel=Teuchos::Describable::verbLevel_default) const = 0;

    //@}

  }; // CrsGraph class

} // Xpetra namespace

#define XPETRA_CRSGRAPH_SHORT
#endif // XPETRA_CRSGRAPH_HPP
