/*
* Copyright 2016
* 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.ixa.internal;
import static java.util.Collections.singletonMap;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.reflect.FieldUtils;
import de.tudarmstadt.ukp.dkpro.core.api.metadata.TagsetBase;
import opennlp.tools.ml.model.AbstractModel;
import opennlp.tools.ml.model.SequenceClassificationModel;
public class IxaLemmatizerTagsetDescriptionProvider
extends TagsetBase
{
private String name;
private String layer;
private SequenceClassificationModel<String> model;
private String feature;
private String separator = "=";
public IxaLemmatizerTagsetDescriptionProvider(String aName, Class<?> aLayer,
SequenceClassificationModel<String> aModel, String aFeature)
{
name = aName;
layer = aLayer.getName();
model = aModel;
feature = aFeature;
}
@Override
public Map<String, String> getLayers()
{
return singletonMap(layer, name);
}
@Override
public Set<String> listTags(String aLayer, String aTagsetName)
{
try {
AbstractModel innerModel = (AbstractModel) FieldUtils.readField(model, "model", true);
HashMap<String, Integer> pmap = (HashMap<String, Integer>) FieldUtils
.readField(innerModel, "pmap", true);
Set<String> tagSet = new TreeSet<String>();
String prefix = feature + separator;
for (Object key : pmap.keySet()) {
if (key instanceof String && ((String) key).startsWith(prefix)) {
tagSet.add(StringUtils.substringAfter(((String) key), separator));
}
}
return tagSet;
}
catch (IllegalAccessException e) {
throw new IllegalStateException(e);
}
}
public SequenceClassificationModel<String> getModel()
{
return model;
}
}