opennlp.tools.parser.ParserChunkerFactory 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package opennlp.tools.parser;
import opennlp.tools.chunker.ChunkerContextGenerator;
import opennlp.tools.chunker.ChunkerFactory;
import opennlp.tools.chunker.ChunkerME;
import opennlp.tools.ml.model.MaxentModel;
import opennlp.tools.util.SequenceValidator;
import opennlp.tools.util.TokenTag;
public class ParserChunkerFactory extends ChunkerFactory {
@Override
public ChunkerContextGenerator getContextGenerator() {
return new ChunkContextGenerator(ChunkerME.DEFAULT_BEAM_SIZE);
}
@Override
public SequenceValidator getSequenceValidator() {
MaxentModel model = artifactProvider.getArtifact("chunker.model");
String[] outcomes = new String[model.getNumOutcomes()];
for (int i = 0; i < outcomes.length; i++) {
outcomes[i] = model.getOutcome(i);
}
return new ParserChunkerSequenceValidator(outcomes);
}
}