/*
* 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.cmdline.lemmatizer;
import java.io.OutputStream;
import opennlp.tools.cmdline.FineGrainedReportListener;
import opennlp.tools.lemmatizer.LemmaSample;
import opennlp.tools.lemmatizer.LemmatizerEvaluationMonitor;
/**
* Generates a detailed report for the Lemmatizer.
* <p>
* It is possible to use it from an API and access the statistics using the
* provided getters.
*
*/
public class LemmatizerFineGrainedReportListener
extends FineGrainedReportListener implements LemmatizerEvaluationMonitor {
/**
* Creates a listener that will print to {@link System#err}
*/
public LemmatizerFineGrainedReportListener() {
super(System.err);
}
/**
* Creates a listener that prints to a given {@link OutputStream}
*/
public LemmatizerFineGrainedReportListener(OutputStream outputStream) {
super(outputStream);
}
// methods inherited from EvaluationMonitor
public void missclassified(LemmaSample reference, LemmaSample prediction) {
statsAdd(reference, prediction);
}
public void correctlyClassified(LemmaSample reference, LemmaSample prediction) {
statsAdd(reference, prediction);
}
private void statsAdd(LemmaSample reference, LemmaSample prediction) {
getStats().add(reference.getTokens(), reference.getTags(), prediction.getTags());
}
public void writeReport() {
printGeneralStatistics();
// token stats
printTokenErrorRank();
printTokenOcurrenciesRank();
// tag stats
printTagsErrorRank();
// confusion tables
printGeneralConfusionTable();
printDetailedConfusionMatrix();
}
}