aos.lucene.analysis.Fragments.java Source code

Introduction

Here is the source code for aos.lucene.analysis.Fragments.java

Source

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package aos.lucene.analysis;

import org.apache.lucene.analysis.*;
import org.apache.lucene.analysis.tokenattributes.*;
import org.apache.lucene.analysis.standard.*;
import org.apache.lucene.index.*;
import org.apache.lucene.store.*;
import org.apache.lucene.util.*;
import org.apache.lucene.document.*;
import java.io.*;

// From chapter 4
public class Fragments {
    public void frag1() throws Exception {
        Directory directory = null;

        Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_46);
        IndexWriter writer = new IndexWriter(directory, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);

    }

    public void frag2() throws Exception {
        IndexWriter writer = null;

        Document doc = new Document();
        doc.add(new Field("title", "This is the title", Field.Store.YES, Field.Index.ANALYZED));
        doc.add(new Field("contents", "...document contents...", Field.Store.NO, Field.Index.ANALYZED));
        writer.addDocument(doc);

    }

    public void frag3() throws Exception {
        Analyzer analyzer = null;
        String text = null;

        TokenStream stream = analyzer.tokenStream("contents", new StringReader(text));
        PositionIncrementAttribute posIncr = (PositionIncrementAttribute) stream
                .addAttribute(PositionIncrementAttribute.class);
        while (stream.incrementToken()) {
            LOGGER.info("posIncr=" + posIncr.getPositionIncrement());
        }

    }
}