advisor.hpp
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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */ 00002 /* 00003 * Main authors: 00004 * Mikael Lagerkvist <lagerkvist@gecode.org> 00005 * Christian Schulte <schulte@gecode.org> 00006 * 00007 * Copyright: 00008 * Mikael Lagerkvist, 2006 00009 * Christian Schulte, 2007 00010 * 00011 * Last modified: 00012 * $Date: 2010-04-08 12:35:31 +0200 (Thu, 08 Apr 2010) $ by $Author: schulte $ 00013 * $Revision: 10684 $ 00014 * 00015 * This file is part of Gecode, the generic constraint 00016 * development environment: 00017 * http://www.gecode.org 00018 * 00019 * Permission is hereby granted, free of charge, to any person obtaining 00020 * a copy of this software and associated documentation files (the 00021 * "Software"), to deal in the Software without restriction, including 00022 * without limitation the rights to use, copy, modify, merge, publish, 00023 * distribute, sublicense, and/or sell copies of the Software, and to 00024 * permit persons to whom the Software is furnished to do so, subject to 00025 * the following conditions: 00026 * 00027 * The above copyright notice and this permission notice shall be 00028 * included in all copies or substantial portions of the Software. 00029 * 00030 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00031 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00032 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00033 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 00034 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 00035 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00036 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00037 * 00038 */ 00039 00040 namespace Gecode { 00041 00046 template<class View> 00047 class ViewAdvisor : public Advisor { 00048 protected: 00050 View x; 00051 public: 00053 template<class A> 00054 ViewAdvisor(Space& home, Propagator& p, Council<A>& c, View x0); 00056 ViewAdvisor(Space& home, bool share, ViewAdvisor<View>& a); 00058 View view(void) const; 00060 void view(Space& home, View y); 00062 template<class A> 00063 void dispose(Space& home, Council<A>& c); 00064 }; 00065 00066 00067 template<class View> 00068 template<class A> 00069 forceinline 00070 ViewAdvisor<View>::ViewAdvisor(Space& home, Propagator& p, 00071 Council<A>& c, View x0) 00072 : Advisor(home,p,c), x(x0) { 00073 x.subscribe(home,*this); 00074 } 00075 template<class View> 00076 forceinline 00077 ViewAdvisor<View>::ViewAdvisor(Space& home, bool share, 00078 ViewAdvisor<View>& a) 00079 : Advisor(home,share,a) { 00080 x.update(home,share,a.x); 00081 } 00082 template<class View> 00083 forceinline View 00084 ViewAdvisor<View>::view(void) const { 00085 return x; 00086 } 00087 template<class View> 00088 forceinline void 00089 ViewAdvisor<View>::view(Space& home, View y) { 00090 x.cancel(home,*this); x=y; x.subscribe(home,*this); 00091 } 00092 template<class View> 00093 template<class A> 00094 forceinline void 00095 ViewAdvisor<View>::dispose(Space& home, Council<A>& c) { 00096 x.cancel(home,*this); 00097 Advisor::dispose(home,c); 00098 } 00099 00100 } 00101 00102 // STATISTICS: kernel-other