io.datalayer.lucene.helper.AosIndexUtil.java Source code

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Here is the source code for io.datalayer.lucene.helper.AosIndexUtil.java

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package io.datalayer.lucene.helper;

import static io.datalayer.lucene.helper.AosField.CITY;
import static io.datalayer.lucene.helper.AosField.CONTENT;
import static io.datalayer.lucene.helper.AosField.COUNTRY;
import static io.datalayer.lucene.helper.AosField.ID;

import java.io.IOException;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.Version;

public class AosIndexUtil {
    public static final String TEST_DOC_PATH = "src/test/resources/aos/lucene/doc";

    private static String[] id = { "1", "2", "3" };
    private static String[] city = { "Amsterdam", "Venice", "Venice" };
    private static String[] unindexed = { "Netherlands", "Italy", "Italy" };
    private static String[] unstored = { "Amsterdam has lots of bridges", //
            "Venice has lots of canals, yes yes yes canals", //
            "Venice has lots of canals" };

    private static Directory indexDirectory;

    static {
        try {
            indexDirectory = AosDirectory.newDirectory();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static IndexWriter newIndexWithDocuments() throws IOException {
        IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46, getAnalyzer());
        IndexWriter writer = new IndexWriter(indexDirectory, config);
        for (int i = 0; i < id.length; i++) {
            Document document = new Document();
            document.add(new Field(ID, id[i], AosFieldType.INDEXED_STORED_TERMVECTORS));
            document.add(new Field(CITY, city[i], AosFieldType.INDEXED_STORED_TERMVECTORS));
            document.add(new Field(COUNTRY, unindexed[i], AosFieldType.INDEXEDNOT_STORED_TERMVECTORSNOT));
            document.add(new Field(CONTENT, unstored[i], AosFieldType.INDEXED_STOREDNOT_TERMVECTORS));
            writer.addDocument(document);
        }
        writer.commit();
        return writer;
    }

    public static Directory directory() {
        return indexDirectory;
    }

    private static Analyzer getAnalyzer() {
        return AosAnalyser.NO_LIMIT_TOKEN_COUNT_STANDARD_ANALYSER;
    }

}