/**
* 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.padtermspotter.impl;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.apache.ctakes.core.fsm.token.TextToken;
import org.apache.ctakes.necontexts.ContextAnalyzer;
import org.apache.ctakes.necontexts.ContextAnnotator;
import org.apache.ctakes.necontexts.ContextHit;
import org.apache.ctakes.necontexts.NamedEntityContextAnalyzer;
import org.apache.ctakes.padtermspotter.fsm.output.IllnessDxIndicator;
import org.apache.ctakes.padtermspotter.fsm.pad.machine.DxIndicatorFSM;
import org.apache.uima.jcas.tcas.Annotation;
/**
* @author Mayo Clinic
*/
public class DxContextAnalyzerImpl extends NamedEntityContextAnalyzer
implements ContextAnalyzer {
public static final String CTX_HIT_KEY_ILLNESS_TYPE = "ILLNESS_TYPE";
private DxIndicatorFSM iv_statusDxIndicatorFSM = new DxIndicatorFSM();
public ContextHit analyzeContext(List<? extends Annotation> tokenList,
int scope) {
List<TextToken> fsmTokenList = wrapAsFsmTokens(tokenList);
Set<IllnessDxIndicator> s;
try {
s = iv_statusDxIndicatorFSM.execute(fsmTokenList);
if (s.size() > 0) {
IllnessDxIndicator finalSi = null;
Iterator <IllnessDxIndicator>siItr = s.iterator();
while (siItr.hasNext()) {
IllnessDxIndicator si = (IllnessDxIndicator) siItr.next();
if (finalSi == null) {
finalSi = si;
} else if ((si.getStatus() == IllnessDxIndicator.BRAIN_STATUS)
&& (finalSi.getStatus() == IllnessDxIndicator.COLON_STATUS)) {
// not implemented yet
finalSi = si;
} else if ((scope == ContextAnnotator.LEFT_SCOPE)
&& (si.getEndOffset() > finalSi.getEndOffset())) {
// pick one w/ closest proximity to focus
finalSi = si;
} else if ((scope == ContextAnnotator.RIGHT_SCOPE)
&& (si.getStartOffset() < finalSi.getStartOffset())) {
// pick one w/ closest proximity to focus
finalSi = si;
}
}
ContextHit ctxHit = new ContextHit(finalSi.getStartOffset(),
finalSi.getEndOffset());
ctxHit.addMetaData(CTX_HIT_KEY_ILLNESS_TYPE, new Integer(
finalSi.getStatus()));
return ctxHit;
} else {
return null;
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
}
}