opennlp.tools.util.featuregen.WindowFeatureGeneratorFactory 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 opennlp.tools.util.InvalidFormatException;
/**
* @see WindowFeatureGenerator
*/
public class WindowFeatureGeneratorFactory
extends GeneratorFactory.AbstractXmlFeatureGeneratorFactory {
public WindowFeatureGeneratorFactory() {
super();
}
@Override
public AdaptiveFeatureGenerator create() throws InvalidFormatException {
AdaptiveFeatureGenerator generator = (AdaptiveFeatureGenerator) args.get("generator#0");
if (generator == null) {
throw new InvalidFormatException("window feature generator must contain" +
" an aggregator element");
}
return new WindowFeatureGenerator(generator,
getInt("prevLength"), getInt("nextLength"));
}
}