linguistics/src/main/java/com/yahoo/language/opennlp/OpenNlpLinguistics.java


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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.language.opennlp;

import com.google.inject.Inject;
import com.yahoo.language.Linguistics;
import com.yahoo.language.detect.Detector;
import com.yahoo.language.process.Tokenizer;
import com.yahoo.language.simple.SimpleDetector;
import com.yahoo.language.simple.SimpleLinguistics;
import opennlp.tools.langdetect.LanguageDetectorModel;

/**
 * Returns a linguistics implementation based on OpenNlp.
 *
 * @author bratseth
 * @author jonmv
 */
public class OpenNlpLinguistics extends SimpleLinguistics {

    private final Detector detector;

    @Inject
    public OpenNlpLinguistics(LangDetectModel model) {
        LanguageDetectorModel loaded = model.load();
        this.detector = loaded != null ? new OpenNlpDetector(loaded) : new SimpleDetector();
    }

    @Override
    public Tokenizer getTokenizer() {
        return new OpenNlpTokenizer(getNormalizer(), getTransformer());
    }

    @Override
    public Detector getDetector() { return detector; }

    @Override
    public boolean equals(Linguistics other) { return (other instanceof OpenNlpLinguistics); }

}