/* | |
* 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.uima.ruta.action; | |
import java.util.ArrayList; | |
import java.util.Collection; | |
import java.util.Comparator; | |
import java.util.List; | |
import java.util.TreeSet; | |
import org.apache.commons.collections.CollectionUtils; | |
import org.apache.uima.cas.Feature; | |
import org.apache.uima.cas.Type; | |
import org.apache.uima.cas.TypeSystem; | |
import org.apache.uima.cas.text.AnnotationFS; | |
import org.apache.uima.ruta.RutaStream; | |
import org.apache.uima.ruta.UIMAConstants; | |
import org.apache.uima.ruta.expression.IRutaExpression; | |
import org.apache.uima.ruta.expression.bool.IBooleanExpression; | |
import org.apache.uima.ruta.expression.feature.FeatureExpression; | |
import org.apache.uima.ruta.expression.feature.FeatureMatchExpression; | |
import org.apache.uima.ruta.expression.feature.GenericFeatureExpression; | |
import org.apache.uima.ruta.expression.feature.SimpleFeatureExpression; | |
import org.apache.uima.ruta.expression.number.INumberExpression; | |
import org.apache.uima.ruta.expression.string.IStringExpression; | |
import org.apache.uima.ruta.expression.type.ITypeExpression; | |
import org.apache.uima.ruta.expression.type.TypeExpression; | |
import org.apache.uima.ruta.rule.AnnotationComparator; | |
import org.apache.uima.ruta.rule.RuleElement; | |
import org.apache.uima.ruta.rule.RuleMatch; | |
import org.apache.uima.ruta.utils.UIMAUtils; | |
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(RuleMatch match, RuleElement element, RutaStream stream, InferenceCrowd crowd) { | |
TypeExpression typeExpr = expr.getTypeExpr(element.getParent()); | |
Type type = typeExpr.getType(element.getParent()); | |
List<AnnotationFS> matchedAnnotations = match.getMatchedAnnotationsOf(element); | |
Collection<AnnotationFS> annotations = new TreeSet<AnnotationFS>(comp); | |
for (AnnotationFS annotation : matchedAnnotations) { | |
annotations.addAll(getAnnotations(annotation, type, expr, stream)); | |
} | |
for (AnnotationFS each : annotations) { | |
stream.getCas().removeFsFromIndexes(each); | |
} | |
Collection<AnnotationFS> featureAnnotations = expr.getFeatureAnnotations(annotations, stream, | |
element.getParent(), false); | |
if (featureAnnotations.isEmpty()) { | |
// null value in feature, but we require the host | |
featureAnnotations = annotations; | |
} | |
Feature feature = expr.getFeature(element.getParent()); | |
IRutaExpression arg = expr.getArg(); | |
for (AnnotationFS each : featureAnnotations) { | |
setFeatureValue(each, feature, arg, element, stream); | |
} | |
for (AnnotationFS each : annotations) { | |
stream.getCas().addFsToIndexes(each); | |
} | |
} | |
private void setFeatureValue(AnnotationFS a, Feature feature, IRutaExpression argExpr, | |
RuleElement element, RutaStream stream) { | |
if (feature == null) { | |
throw new IllegalArgumentException("Not able to assign feature value (e.g., coveredText)."); | |
} | |
String range = feature.getRange().getName(); | |
if (range.equals(UIMAConstants.TYPE_STRING)) { | |
if (argExpr instanceof IStringExpression) { | |
IStringExpression stringExpr = (IStringExpression) argExpr; | |
String string = stringExpr.getStringValue(element.getParent(), a, stream); | |
a.setStringValue(feature, string); | |
} | |
} else if (argExpr instanceof INumberExpression | |
&& (range.equals(UIMAConstants.TYPE_INTEGER) || range.equals(UIMAConstants.TYPE_LONG) | |
|| range.equals(UIMAConstants.TYPE_SHORT) || range | |
.equals(UIMAConstants.TYPE_BYTE))) { | |
INumberExpression numberExpr = (INumberExpression) argExpr; | |
int v = numberExpr.getIntegerValue(element.getParent(), a, stream); | |
a.setIntValue(feature, v); | |
} else if (argExpr instanceof INumberExpression && (range.equals(UIMAConstants.TYPE_DOUBLE))) { | |
INumberExpression numberExpr = (INumberExpression) argExpr; | |
double v = numberExpr.getDoubleValue(element.getParent(), a, stream); | |
a.setDoubleValue(feature, v); | |
} else if (argExpr instanceof INumberExpression && (range.equals(UIMAConstants.TYPE_FLOAT))) { | |
INumberExpression numberExpr = (INumberExpression) argExpr; | |
float v = numberExpr.getFloatValue(element.getParent(), a, stream); | |
a.setFloatValue(feature, v); | |
} else if (argExpr instanceof IBooleanExpression && (range.equals(UIMAConstants.TYPE_BOOLEAN))) { | |
IBooleanExpression booleanExpr = (IBooleanExpression) argExpr; | |
boolean v = booleanExpr.getBooleanValue(element.getParent(), a, stream); | |
a.setBooleanValue(feature, v); | |
} else if (argExpr instanceof IBooleanExpression && (range.equals(UIMAConstants.TYPE_BOOLEAN))) { | |
IBooleanExpression booleanExpr = (IBooleanExpression) argExpr; | |
boolean v = booleanExpr.getBooleanValue(element.getParent(), a, stream); | |
a.setBooleanValue(feature, v); | |
} else if (argExpr instanceof ITypeExpression && !feature.getRange().isPrimitive()) { | |
ITypeExpression typeExpr = (ITypeExpression) argExpr; | |
Type t = typeExpr.getType(element.getParent()); | |
List<AnnotationFS> inWindow = stream.getAnnotationsInWindow(a, t); | |
if (feature.getRange().isArray()) { | |
a.setFeatureValue(feature, UIMAUtils.toFSArray(stream.getJCas(), inWindow)); | |
} else { | |
if (inWindow != null) { | |
AnnotationFS annotation = inWindow.get(0); | |
a.setFeatureValue(feature, annotation); | |
} else { | |
a.setFeatureValue(feature, null); | |
} | |
} | |
} else if (argExpr instanceof GenericFeatureExpression && !feature.getRange().isPrimitive()) { | |
FeatureExpression fe = ((GenericFeatureExpression) argExpr).getFeatureExpression(); | |
TypeExpression typeExpr = fe.getTypeExpr(element.getParent()); | |
Type t = typeExpr.getType(element.getParent()); | |
List<AnnotationFS> inWindow = stream.getAnnotationsInWindow(a, t); | |
if (fe instanceof SimpleFeatureExpression) { | |
SimpleFeatureExpression sfe = (SimpleFeatureExpression) fe; | |
List<AnnotationFS> featureAnnotations = new ArrayList<>(sfe.getFeatureAnnotations(inWindow, | |
stream, element.getParent(), false)); | |
if (feature.getRange().isArray()) { | |
a.setFeatureValue(feature, UIMAUtils.toFSArray(stream.getJCas(), featureAnnotations)); | |
} else if (!featureAnnotations.isEmpty()) { | |
AnnotationFS annotation = featureAnnotations.get(0); | |
a.setFeatureValue(feature, annotation); | |
} | |
} else { | |
if (feature.getRange().isArray()) { | |
a.setFeatureValue(feature, UIMAUtils.toFSArray(stream.getJCas(), inWindow)); | |
} else { | |
AnnotationFS annotation = inWindow.get(0); | |
a.setFeatureValue(feature, annotation); | |
} | |
} | |
} | |
} | |
private List<AnnotationFS> getAnnotations(AnnotationFS annotation, Type type, | |
FeatureMatchExpression fme, RutaStream stream) { | |
List<AnnotationFS> result = new ArrayList<AnnotationFS>(); | |
TypeSystem typeSystem = stream.getCas().getTypeSystem(); | |
if (typeSystem.subsumes(type, annotation.getType())) { | |
result.add(annotation); | |
} else { | |
Collection<AnnotationFS> beginAnchors = stream.getBeginAnchor(annotation.getBegin()) | |
.getBeginAnchors(type); | |
Collection<AnnotationFS> endAnchors = stream.getEndAnchor(annotation.getEnd()).getEndAnchors( | |
type); | |
@SuppressWarnings("unchecked") | |
Collection<AnnotationFS> intersection = CollectionUtils | |
.intersection(beginAnchors, endAnchors); | |
result.addAll(intersection); | |
} | |
return result; | |
} | |
public FeatureMatchExpression getExpr() { | |
return expr; | |
} | |
public void setExpr(FeatureMatchExpression expr) { | |
this.expr = expr; | |
} | |
} |