/* | |
* Licensed to the Apache Software Foundation (ASF) under one or more | |
* contributor license agreemnets. 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.opennlp.caseditor.util; | |
import java.util.Collection; | |
import java.util.Iterator; | |
import java.util.LinkedList; | |
import org.apache.uima.cas.FSMatchConstraint; | |
import org.apache.uima.cas.FeatureStructure; | |
import org.apache.uima.cas.text.AnnotationFS; | |
/** | |
* Checks if an AnnotationFS is contained by the given AnnotationFS. | |
*/ | |
public final class ContainingConstraint implements FSMatchConstraint { | |
private static final long serialVersionUID = 1; | |
private Collection<AnnotationFS> mContainingAnnotations = | |
new LinkedList<AnnotationFS>(); | |
/** | |
* Initializes a new instance. | |
*/ | |
public ContainingConstraint() { | |
// does currently nothing | |
} | |
/** | |
* Initializes a new instance. | |
* | |
* @param containingAnnotation | |
*/ | |
public ContainingConstraint(AnnotationFS containingAnnotation) { | |
mContainingAnnotations.add(containingAnnotation); | |
} | |
/** | |
* Checks if the given FeatureStructure match the constraint. | |
*/ | |
public boolean match(FeatureStructure featureStructure) { | |
if (!(featureStructure instanceof AnnotationFS)) { | |
return false; | |
} | |
AnnotationFS annotation = (AnnotationFS) featureStructure; | |
for (Iterator<AnnotationFS> it = mContainingAnnotations.iterator(); it.hasNext(); ) { | |
AnnotationFS containingAnnotation = it.next(); | |
if (isContaining(annotation, containingAnnotation)) { | |
return true; | |
} | |
} | |
return false; | |
} | |
private boolean isContaining(AnnotationFS annotation, AnnotationFS containing) { | |
if ((containing.getBegin() <= annotation.getBegin()) | |
&& (containing.getEnd() >= annotation.getEnd())) { | |
return true; | |
} else { | |
return false; | |
} | |
} | |
} |