Jip J. Dekker
2572df0663
git-subtree-dir: software/gecode_base git-subtree-split: bbefcea214fec798a0f5acc442581984555acd21
80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Guido Tack <tack@gecode.org>
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*
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* Copyright:
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* Guido Tack, 2010
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef GECODE_FLATZINC_PLUGIN_HH
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#define GECODE_FLATZINC_PLUGIN_HH
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#ifdef GECODE_HAS_QT
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#include <QtCore>
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#include <QPluginLoader>
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#include <QLibrary>
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namespace Gecode { namespace FlatZinc {
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/**
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* \brief Interface for branch plugins
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*
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* This interface has to be implemented as a Qt Plugin. It then
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* provides custom branch methods that can be loaded at runtime
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* from a FlatZinc file.
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*
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* In order to use a custom branching, add an annotation to the
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* FlatZinc solve item like the following:
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*
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* ::gecode_search(mybranch(some,arguments,x,y,z))
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*
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* This will load the plugin called mybranch and invoke its branch
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* method with the arguments encoded in an AST.
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*
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* The plugin mybranch must reside in a file called mybranch.dll
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* on Windows, libmybranch.dylib on Mac OS and libmybranch.so on
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* Linux systems.
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*
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* An example plugin can be found in the Gecode source tree under
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* gecode/flatzinc/exampleplugin.
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*
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*/
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class GECODE_VTABLE_EXPORT BranchPlugin {
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public:
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/// The custom branch method that this plugin provides
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virtual void branch(Gecode::FlatZinc::FlatZincSpace& s,
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Gecode::FlatZinc::AST::Call* c) = 0;
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};
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}}
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Q_DECLARE_INTERFACE(Gecode::FlatZinc::BranchPlugin,
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"org.gecode.FlatZinc.BranchPlugin/1.0");
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#endif
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#endif
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// STATISTICS: flatzinc-any
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