code: /**
   *	Martin Riedl
   *	riedl@cs.tu-darmstadt.de
   *  FG Language Technology
   * 	Technische Universität Darmstadt, Germany
   * 
   * 
   *  This file is part of TopicTiling.
   *
   *  TopicTiling is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  TopicTiling 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 General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *  along with TopicTiling.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package de.tudarmstadt.langtech.lda.annotator;
  
  import static org.uimafit.util.JCasUtil.select;
  import static org.uimafit.util.JCasUtil.selectCovered;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  
  import org.apache.uima.jcas.JCas;
  
  import de.tudarmstadt.ukp.dkpro.core.api.segmentation.type.Sentence;
  import de.tudarmstadt.ukp.dkpro.core.api.segmentation.type.Token;
  
  
  
  public class GibbsLdaDocumentBasedTopicIdAnnotator
  	extends GibbsLdaTopicIdAnnotator {
  
  	@Override
  	public List<String>[] getDocuments(JCas jcas) {
  		Collection<Sentence> sentences = select(jcas, Sentence.class);
  		@SuppressWarnings("unchecked")
  		List<String>[] arr = new ArrayList[1];
  		arr[0]= new ArrayList<String>();
  		for (Sentence s : sentences) {
  			for (Token t : selectCovered(Token.class, s)) {
  				arr[0].add(t.getCoveredText());
  			}
  		}
  		
  		return arr;
  	}
  	
  
  }
  