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* or more contributor license agreements. See the NOTICE file | |
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* http://www.apache.org/licenses/LICENSE-2.0 | |
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* Unless required by applicable law or agreed to in writing, | |
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package org.apache.uima.ruta.action; | |
import java.util.Collection; | |
import java.util.Comparator; | |
import java.util.List; | |
import java.util.TreeSet; | |
import org.apache.uima.cas.Feature; | |
import org.apache.uima.cas.FeatureStructure; | |
import org.apache.uima.cas.Type; | |
import org.apache.uima.cas.text.AnnotationFS; | |
import org.apache.uima.ruta.RutaStream; | |
import org.apache.uima.ruta.expression.IRutaExpression; | |
import org.apache.uima.ruta.expression.MatchReference; | |
import org.apache.uima.ruta.expression.annotation.IAnnotationExpression; | |
import org.apache.uima.ruta.expression.annotation.IAnnotationListExpression; | |
import org.apache.uima.ruta.expression.feature.FeatureMatchExpression; | |
import org.apache.uima.ruta.expression.type.ITypeExpression; | |
import org.apache.uima.ruta.rule.AnnotationComparator; | |
import org.apache.uima.ruta.rule.MatchContext; | |
import org.apache.uima.ruta.rule.RuleElement; | |
import org.apache.uima.ruta.rule.RuleMatch; | |
import org.apache.uima.ruta.visitor.InferenceCrowd; | |
public class ImplicitFeatureAction extends AbstractRutaAction { | |
private FeatureMatchExpression expr; | |
private Comparator<? super AnnotationFS> comp = new AnnotationComparator(); | |
public ImplicitFeatureAction(FeatureMatchExpression expr) { | |
super(); | |
this.expr = expr; | |
} | |
@Override | |
public void execute(MatchContext context, RutaStream stream, InferenceCrowd crowd) { | |
RuleMatch match = context.getRuleMatch(); | |
RuleElement element = context.getElement(); | |
List<AnnotationFS> matchedAnnotations = match.getMatchedAnnotationsOfElement(element); | |
Collection<AnnotationFS> annotations = new TreeSet<AnnotationFS>(comp); | |
MatchReference matchReference = expr.getMatchReference(); | |
ITypeExpression typeExpr = matchReference.getTypeExpression(context, stream); | |
IAnnotationListExpression annotationListExpr = matchReference.getAnnotationListExpression(context, stream); | |
IAnnotationExpression annotationExpr = matchReference.getAnnotationExpression(context, stream); | |
// TODO refactor and do we really need multiple annotations for each matched ones? | |
for (AnnotationFS annotation : matchedAnnotations) { | |
if (typeExpr != null) { | |
Type type = typeExpr.getType(context, stream); | |
annotations = stream.getBestGuessedAnnotationsAt(annotation, type); | |
} else if(annotationListExpr!=null) { | |
annotations.addAll(annotationListExpr.getAnnotationList(context, stream)); | |
} else if(annotationExpr!=null) { | |
annotations.add(annotationExpr.getAnnotation(context, stream)); | |
} | |
} | |
for (AnnotationFS each : annotations) { | |
stream.getCas().removeFsFromIndexes(each); | |
} | |
Collection<? extends FeatureStructure> featureAnnotations = expr.getFeatureStructures(annotations, false, | |
context, stream); | |
if (featureAnnotations.isEmpty()) { | |
// null value in feature, but we require the host | |
featureAnnotations = annotations; | |
} | |
Feature feature = expr.getFeature(context, stream); | |
IRutaExpression arg = expr.getArg(); | |
for (FeatureStructure each : featureAnnotations) { | |
stream.assignFeatureValue(each, feature, arg, context); | |
} | |
for (AnnotationFS each : annotations) { | |
stream.getCas().addFsToIndexes(each); | |
} | |
} | |
public FeatureMatchExpression getExpr() { | |
return expr; | |
} | |
public void setExpr(FeatureMatchExpression expr) { | |
this.expr = expr; | |
} | |
} |