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Isorropia_Partitioner.hpp

00001 //@HEADER
00002 /*
00003 ************************************************************************
00004 
00005               Isorropia: Partitioning and Load Balancing Package
00006                 Copyright (2006) Sandia Corporation
00007 
00008 Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00009 license for use of this work by or on behalf of the U.S. Government.
00010 
00011 This library is free software; you can redistribute it and/or modify
00012 it under the terms of the GNU Lesser General Public License as
00013 published by the Free Software Foundation; either version 2.1 of the
00014 License, or (at your option) any later version.
00015 
00016 This library is distributed in the hope that it will be useful, but
00017 WITHOUT ANY WARRANTY; without even the implied warranty of
00018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00019 Lesser General Public License for more details.
00020 
00021 You should have received a copy of the GNU Lesser General Public
00022 License along with this library; if not, write to the Free Software
00023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00024 USA
00025 Questions? Contact Alan Williams (william@sandia.gov)
00026                 or Erik Boman    (egboman@sandia.gov)
00027 
00028 ************************************************************************
00029 */
00030 //@HEADER
00031 
00032 #ifndef _Isorropia_Partitioner_hpp_
00033 #define _Isorropia_Partitioner_hpp_
00034 
00035 #include <Isorropia_configdefs.hpp>
00036 #include <Teuchos_ParameterList.hpp>
00037 
00041 namespace Isorropia {
00042 
00054 class Partitioner {
00055 public:
00056 
00058   virtual ~Partitioner() {}
00059 
00065   virtual void setParameters(const Teuchos::ParameterList& paramlist) = 0;
00066 
00081   virtual void compute_partitioning(bool force_repartitioning=false) = 0;
00082 
00085   virtual bool partitioning_already_computed() const = 0;
00086 
00090   virtual int newPartitionNumber(int myElem) const = 0;
00091 
00094   virtual int numElemsInPartition(int partition) const = 0;
00095 
00099   virtual void elemsInPartition(int partition,
00100                                 int* elementList,
00101                                 int len) const = 0;
00102 
00103 };//class Partitioner
00104 
00105 }//namespace Isorropia
00106 
00107 #endif
00108