/**
* 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.ArrayList;
import java.util.List;
import org.apache.ctakes.relationextractor.ae.features.RelationFeaturesExtractor;
import org.apache.ctakes.typesystem.type.textsem.EventMention;
import org.apache.ctakes.typesystem.type.textsem.IdentifiedAnnotation;
import org.apache.ctakes.typesystem.type.textsem.TimeMention;
import org.apache.uima.analysis_engine.AnalysisEngineProcessException;
import org.apache.uima.jcas.JCas;
import org.cleartk.classifier.Feature;
import org.uimafit.util.JCasUtil;
public class TemporalAttributeForMixEventTimeExtractor implements
RelationFeaturesExtractor {
@SuppressWarnings("null")
@Override
public List<Feature> extract(JCas jCas, IdentifiedAnnotation arg1,
IdentifiedAnnotation arg2) throws AnalysisEngineProcessException {
ArrayList<Feature> feats = new ArrayList<>();
EventMention event = null;
TimeMention time = null;
if(arg1 instanceof EventMention){
event = JCasUtil.selectCovering(jCas, EventMention.class, arg1.getBegin(), arg1.getEnd()).get(0);
if( event != null && event.getEvent() !=null ){
feats.add(new Feature("Arg1-Event-Modality", event.getEvent().getProperties().getContextualModality()));
}
}else if(arg1 instanceof TimeMention){
time = (TimeMention) arg1;
if( time != null){
feats.add(new Feature("Arg1-Timex-", time.getTimeClass()));
}
}
if(arg2 instanceof TimeMention){
time = (TimeMention) arg2;
if(time != null){
feats.add(new Feature("Arg2-Timex-", time.getTimeClass()));
}
}else if(arg2 instanceof EventMention){
event = JCasUtil.selectCovering(jCas, EventMention.class, arg2.getBegin(), arg2.getEnd()).get(0);
if(event !=null && event.getEvent() !=null ){
feats.add(new Feature("Arg2-Event-Modality", event.getEvent().getProperties().getContextualModality()));
}
}
return feats;
}
}