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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.language.simple;
import com.google.inject.Inject;
import com.yahoo.collections.Tuple2;
import com.yahoo.component.Version;
import com.yahoo.language.Linguistics;
import com.yahoo.language.detect.Detector;
import com.yahoo.language.process.CharacterClasses;
import com.yahoo.language.process.GramSplitter;
import com.yahoo.language.process.Normalizer;
import com.yahoo.language.process.Segmenter;
import com.yahoo.language.process.SegmenterImpl;
import com.yahoo.language.process.Stemmer;
import com.yahoo.language.process.StemmerImpl;
import com.yahoo.language.process.Tokenizer;
import com.yahoo.language.process.Transformer;
/**
* Factory of simple linguistic processor implementations.
* Useful for testing and english-only use cases.
*
* @author bratseth
* @author bjorncs
*/
public class SimpleLinguistics implements Linguistics {
// Threadsafe instances
private final Normalizer normalizer;
private final Transformer transformer;
private final Detector detector;
private final CharacterClasses characterClasses;
private final GramSplitter gramSplitter;
@Inject
public SimpleLinguistics() {
this.normalizer = new SimpleNormalizer();
this.transformer = new SimpleTransformer();
this.detector = new SimpleDetector();
this.characterClasses = new CharacterClasses();
this.gramSplitter = new GramSplitter(characterClasses);
}
@Override
public Stemmer getStemmer() { return new StemmerImpl(getTokenizer()); }
@Override
public Tokenizer getTokenizer() { return new SimpleTokenizer(normalizer, transformer); }
@Override
public Normalizer getNormalizer() { return normalizer; }
@Override
public Transformer getTransformer() { return transformer; }
@Override
public Segmenter getSegmenter() { return new SegmenterImpl(getTokenizer()); }
@Override
public Detector getDetector() { return detector; }
@Override
public GramSplitter getGramSplitter() { return gramSplitter; }
@Override
public CharacterClasses getCharacterClasses() { return characterClasses; }
}
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