/*
* 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.namefind;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
import opennlp.tools.cmdline.AbstractEvaluatorTool;
import opennlp.tools.cmdline.PerformanceMonitor;
import opennlp.tools.cmdline.TerminateToolException;
import opennlp.tools.cmdline.namefind.TokenNameFinderEvaluatorTool.EvalToolParams;
import opennlp.tools.cmdline.params.DetailedFMeasureEvaluatorParams;
import opennlp.tools.cmdline.params.EvaluatorParams;
import opennlp.tools.namefind.NameFinderME;
import opennlp.tools.namefind.NameSample;
import opennlp.tools.namefind.TokenNameFinderEvaluationMonitor;
import opennlp.tools.namefind.TokenNameFinderEvaluator;
import opennlp.tools.namefind.TokenNameFinderModel;
import opennlp.tools.util.ObjectStream;
import opennlp.tools.util.eval.EvaluationMonitor;
public final class TokenNameFinderEvaluatorTool
extends AbstractEvaluatorTool<NameSample, EvalToolParams> {
interface EvalToolParams extends EvaluatorParams, DetailedFMeasureEvaluatorParams {
}
public TokenNameFinderEvaluatorTool() {
super(NameSample.class, EvalToolParams.class);
}
public String getShortDescription() {
return "Measures the performance of the NameFinder model with the reference data";
}
public void run(String format, String[] args) {
super.run(format, args);
TokenNameFinderModel model = new TokenNameFinderModelLoader().load(params.getModel());
List<EvaluationMonitor<NameSample>> listeners = new LinkedList<EvaluationMonitor<NameSample>>();
if (params.getMisclassified()) {
listeners.add(new NameEvaluationErrorListener());
}
TokenNameFinderDetailedFMeasureListener detailedFListener = null;
if (params.getDetailedF()) {
detailedFListener = new TokenNameFinderDetailedFMeasureListener();
listeners.add(detailedFListener);
}
TokenNameFinderEvaluator evaluator = new TokenNameFinderEvaluator(
new NameFinderME(model),
listeners.toArray(new TokenNameFinderEvaluationMonitor[listeners.size()]));
final PerformanceMonitor monitor = new PerformanceMonitor("sent");
ObjectStream<NameSample> measuredSampleStream = new ObjectStream<NameSample>() {
public NameSample read() throws IOException {
monitor.incrementCounter();
return sampleStream.read();
}
public void reset() throws IOException {
sampleStream.reset();
}
public void close() throws IOException {
sampleStream.close();
}
};
monitor.startAndPrintThroughput();
try {
evaluator.evaluate(measuredSampleStream);
} catch (IOException e) {
System.err.println("failed");
throw new TerminateToolException(-1, "IO error while reading test data: " + e.getMessage(), e);
} finally {
try {
measuredSampleStream.close();
} catch (IOException e) {
// sorry that this can fail
}
}
monitor.stopAndPrintFinalResult();
System.out.println();
if(detailedFListener == null) {
System.out.println(evaluator.getFMeasure());
} else {
System.out.println(detailedFListener.toString());
}
}
}