support.hh
Go to the documentation of this file.00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */ 00002 /* 00003 * Main authors: 00004 * Christian Schulte <schulte@gecode.org> 00005 * 00006 * Copyright: 00007 * Christian Schulte, 2008 00008 * 00009 * Last modified: 00010 * $Date: 2011-02-01 14:11:54 +0100 (Tue, 01 Feb 2011) $ by $Author: schulte $ 00011 * $Revision: 11591 $ 00012 * 00013 * This file is part of Gecode, the generic constraint 00014 * development environment: 00015 * http://www.gecode.org 00016 * 00017 * Permission is hereby granted, free of charge, to any person obtaining 00018 * a copy of this software and associated documentation files (the 00019 * "Software"), to deal in the Software without restriction, including 00020 * without limitation the rights to use, copy, modify, merge, publish, 00021 * distribute, sublicense, and/or sell copies of the Software, and to 00022 * permit persons to whom the Software is furnished to do so, subject to 00023 * the following conditions: 00024 * 00025 * The above copyright notice and this permission notice shall be 00026 * included in all copies or substantial portions of the Software. 00027 * 00028 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00029 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00030 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00031 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 00032 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 00033 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00034 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00035 * 00036 */ 00037 00038 #ifndef __GECODE_SEARCH_SUPPORT_HH__ 00039 #define __GECODE_SEARCH_SUPPORT_HH__ 00040 00041 #include <gecode/search.hh> 00042 00043 namespace Gecode { namespace Search { 00044 00046 forceinline Space* 00047 snapshot(Space* s, const Options& o, bool share=true) { 00048 return o.clone ? s->clone(share) : s; 00049 } 00050 00052 template<class Worker> 00053 class WorkerToEngine : public Engine { 00054 protected: 00055 Worker w; 00056 public: 00058 WorkerToEngine(Space* s, size_t sz, const Options& o); 00060 virtual Space* next(void); 00062 virtual Search::Statistics statistics(void) const; 00064 virtual bool stopped(void) const; 00065 }; 00066 00067 template<class Worker> 00068 WorkerToEngine<Worker>::WorkerToEngine(Space* s, size_t sz, 00069 const Options& o) 00070 : w(s,sz,o) {} 00071 template<class Worker> 00072 Space* 00073 WorkerToEngine<Worker>::next(void) { 00074 return w.next(); 00075 } 00076 template<class Worker> 00077 Search::Statistics 00078 WorkerToEngine<Worker>::statistics(void) const { 00079 return w.statistics(); 00080 } 00081 template<class Worker> 00082 bool 00083 WorkerToEngine<Worker>::stopped(void) const { 00084 return w.stopped(); 00085 } 00086 00087 }} 00088 00089 #endif 00090 00091 // STATISTICS: search-other