ViterbiAnalyzer.java

package tv.dyndns.kishibe.qmaclone.server.relevance;

import java.io.Reader;

import org.apache.lucene.analysis.Analyzer;

import com.google.common.base.Preconditions;
import com.google.inject.Inject;

public class ViterbiAnalyzer extends Analyzer {

  public interface Factory {
    ViterbiAnalyzer create();
  }

  private final ViterbiTokenizer.Factory viterbiTokenizerFactory;
  private Reader reader;

  @Inject
  public ViterbiAnalyzer(ViterbiTokenizer.Factory viterbiTokenizerFactory) {
    this.viterbiTokenizerFactory = Preconditions.checkNotNull(viterbiTokenizerFactory);
  }

  @Override
  protected Reader initReader(String fieldName, Reader reader) {
    return this.reader = ReaderUtil.wrapWithNormalizer(reader);
  }

  @Override
  protected TokenStreamComponents createComponents(String fieldName) {
    return new TokenStreamComponents(viterbiTokenizerFactory.create(reader));
  }

}