/* | |
* 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.condition; | |
import java.util.Collection; | |
import java.util.List; | |
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.type.AbstractTypeListExpression; | |
import org.apache.uima.ruta.expression.type.ITypeExpression; | |
import org.apache.uima.ruta.rule.EvaluatedCondition; | |
import org.apache.uima.ruta.rule.MatchContext; | |
import org.apache.uima.ruta.type.RutaBasic; | |
import org.apache.uima.ruta.visitor.InferenceCrowd; | |
public class IsCondition extends TypeSentiveCondition { | |
public IsCondition(ITypeExpression type) { | |
super(type); | |
} | |
public IsCondition(AbstractTypeListExpression list) { | |
super(list); | |
} | |
@Override | |
public EvaluatedCondition eval(MatchContext context, RutaStream stream, InferenceCrowd crowd) { | |
AnnotationFS annotation = context.getAnnotation(); | |
if (annotation == null) { | |
return new EvaluatedCondition(this, false); | |
} | |
RutaBasic beginAnchor = stream.getBeginAnchor(annotation.getBegin()); | |
if (!isWorkingOnList()) { | |
Type t = type.getType(context, stream); | |
boolean result = false; | |
if (t != null) { | |
Collection<AnnotationFS> beginAnchors = beginAnchor.getBeginAnchors(t); | |
if (beginAnchors != null) { | |
for (AnnotationFS annotationFS : beginAnchors) { | |
result |= check(annotation, annotationFS); | |
if (result == true) { | |
break; | |
} | |
} | |
} | |
} | |
return new EvaluatedCondition(this, result); | |
} else { | |
boolean result = false; | |
List<Type> types = getList().getList(context, stream); | |
for (Type type : types) { | |
Collection<AnnotationFS> beginAnchors = beginAnchor.getBeginAnchors(type); | |
if (beginAnchors != null) { | |
for (AnnotationFS annotationFS : beginAnchors) { | |
result |= check(annotation, annotationFS); | |
if (result == true) { | |
break; | |
} | |
} | |
} | |
} | |
return new EvaluatedCondition(this, result); | |
} | |
} | |
private boolean check(AnnotationFS a1, AnnotationFS a2) { | |
boolean result = false; | |
if (a1 != null && a2 != null && a1.getBegin() == a2.getBegin() && a1.getEnd() == a2.getEnd()) { | |
result = true; | |
} | |
return result; | |
} | |
} |