opennlp.tools.util.featuregen.DictionaryFeatureGenerator Maven / Gradle / Ivy
/*
* 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 opennlp.tools.util.featuregen;
import java.util.List;
import opennlp.tools.dictionary.Dictionary;
import opennlp.tools.namefind.DictionaryNameFinder;
/**
* The {@link DictionaryFeatureGenerator} uses the {@link DictionaryNameFinder}
* to generated features for detected names based on the {@link InSpanGenerator}.
*
* @see Dictionary
* @see DictionaryNameFinder
* @see InSpanGenerator
*/
public class DictionaryFeatureGenerator implements AdaptiveFeatureGenerator {
private InSpanGenerator isg;
public DictionaryFeatureGenerator(Dictionary dict) {
this("",dict);
}
public DictionaryFeatureGenerator(String prefix, Dictionary dict) {
setDictionary(prefix,dict);
}
public void setDictionary(Dictionary dict) {
setDictionary("",dict);
}
public void setDictionary(String name, Dictionary dict) {
isg = new InSpanGenerator(name, new DictionaryNameFinder(dict));
}
public void createFeatures(List features, String[] tokens, int index, String[] previousOutcomes) {
isg.createFeatures(features, tokens, index, previousOutcomes);
}
}