/*
* Copyright 2015
* Ubiquitous Knowledge Processing (UKP) Lab
* Technische Universität Darmstadt
*
* Licensed 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 de.tudarmstadt.ukp.dkpro.core.testing.validation.checks;
import static de.tudarmstadt.ukp.dkpro.core.testing.validation.Message.Level.ERROR;
import static org.apache.uima.fit.util.JCasUtil.select;
import static org.apache.uima.fit.util.JCasUtil.selectCovered;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.uima.jcas.JCas;
import de.tudarmstadt.ukp.dkpro.core.api.segmentation.type.Sentence;
import de.tudarmstadt.ukp.dkpro.core.api.syntax.type.dependency.Dependency;
import de.tudarmstadt.ukp.dkpro.core.testing.validation.Message;
public class DependencyRootSelfLoopCheck
implements Check
{
@Override
public boolean check(JCas aCas, List<Message> aMessages)
{
for (Sentence sentence : select(aCas, Sentence.class)) {
Collection<Dependency> dependencies = selectCovered(Dependency.class, sentence);
if (dependencies.isEmpty()) {
continue;
}
List<Dependency> roots = dependencies.stream()
.filter(dep ->
dep.getGovernor() != null &&
dep.getDependent() != null &&
dep.getGovernor() == dep.getDependent())
.collect(Collectors.toList());
if (roots.isEmpty()) {
aMessages.add(new Message(this, ERROR,
"Sentence has no self-looping dependency root: %s", sentence));
}
}
return aMessages.stream().anyMatch(m -> m.level == ERROR);
}
}