/* This file is part of the Joshua Machine Translation System.
*
* Joshua is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
package joshua.decoder.ff.tm;
import joshua.corpus.Phrase;
/**
* This class provides an abstract factory that will return itself
* as a batch grammar.
* <p>
* This means that the grammar produced by this class will be
* constant over any test set, and will not be specific to any
* provided sentence.
*
* @author Zhifei Li, <zhifei.work@gmail.com>
* @version $LastChangedDate: 2009-11-30 16:15:39 -0600 (Mon, 30 Nov 2009) $
*/
public abstract class BatchGrammar extends AbstractGrammar implements GrammarFactory {
/**
* Returns a grammar which is <em>not</em> adapted to the
* specified sentence.
* <p>
* This method always ignores the provided parameter.
*
* The grammar returned will always be the same, regardless
* of the value of the sentence parameter.
*
* @param sentence the next sentence to be translated
* @return a grammar that represents a set of translation
* rules
*/
public Grammar getGrammarForSentence(Phrase sentence) {
return this;
}
}