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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
package org.apache.ctakes.temporal.ae.feature;
//import java.util.logging.Logger;
import  org.cleartk.ml.Feature;
import  org.cleartk.ml.feature.extractor.CleartkExtractorException;
import  org.cleartk.ml.feature.extractor.FeatureExtractor1;
public class ClosestVerbExtractor implements FeatureExtractor1 {
  private String name;
//  private Logger logger = Logger.getLogger(this.getClass().getName());
  public ClosestVerbExtractor() {
    super();
    this. = "ClosestVerb";
    
  }
  public List<Feature> extract(JCas viewAnnotation annotationthrows CleartkExtractorException {
	  List<Feature> features = new ArrayList<>();
	  
	  //1 get covering sentence:
	  Map<EventMentionCollection<Sentence>> coveringMap =
			  JCasUtil.indexCovering(viewEventMention.classSentence.class);
	  EventMention targetTokenAnnotation = (EventMention)annotation;
	  Collection<SentencesentList = coveringMap.get(targetTokenAnnotation);
	  
	  Map<IntegerWordTokenverbDistMap = null;
	  
	  //2 get all Verbs within the same sentence as target event lies
	  if (sentList != null && !sentList.isEmpty()){
		  for(Sentence sent : sentList) {
			  verbDistMap = new TreeMap<>();
			  for ( WordToken wt : JCasUtil.selectCovered(viewWordToken.classsent)) {
				  if (wt != null){
					  String pos = wt.getPartOfSpeech();
					  if (pos.startsWith("VB")){
						  verbDistMap.put(Math.abs(wt.getBegin() - annotation.getBegin()), wt);
					  }
				  }
			  }
			  for (Map.Entry<IntegerWordTokenentry : verbDistMap.entrySet()) {
				  Feature feature = new Feature(this.+"_token"entry.getValue().getCoveredText());
				  features.add(feature);
				  //logger.info("found nearby closest verb: "+ entry.getValue().getCoveredText() + " POS:" + entry.getValue().getPartOfSpeech());
				  Feature posfeature = new Feature(this.entry.getValue().getPartOfSpeech());
				  features.add(posfeature);
				  break;		          
			  }
		  }
		  
	  }
	  return features;
  }
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