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https://github.com/moses-smt/mosesdecoder.git
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67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
// $Id$
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// vim:tabstop=2
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/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2010 Hieu Hoang
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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***********************************************************************/
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#pragma once
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#include "RuleCube.h"
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#include <queue>
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#include <vector>
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namespace Moses
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{
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class ChartManager;
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/** Define an ordering between RuleCube based on their best item scores. This
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* is used to order items in the priority queue.
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*/
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class RuleCubeOrderer
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{
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public:
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bool operator()(const RuleCube *p, const RuleCube *q) const {
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return p->GetTopScore() < q->GetTopScore();
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}
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};
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/** @todo how is this used */
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class RuleCubeQueue
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{
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public:
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RuleCubeQueue(ChartManager &manager) : m_manager(manager) {}
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~RuleCubeQueue();
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void Add(RuleCube *);
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ChartHypothesis *Pop();
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bool IsEmpty() const {
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return m_queue.empty();
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}
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private:
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typedef std::priority_queue<RuleCube*, std::vector<RuleCube*>,
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RuleCubeOrderer > Queue;
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Queue m_queue;
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ChartManager &m_manager;
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};
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}
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