io.datalayer.lucene.read.LuceneReaderTest.java Source code

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Here is the source code for io.datalayer.lucene.read.LuceneReaderTest.java

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package io.datalayer.lucene.read;

import static org.junit.Assert.*;
import io.datalayer.lucene.helper.AosDirectory;
import io.datalayer.lucene.helper.AosFieldType;

import java.io.IOException;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.core.SimpleAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.Version;
import org.junit.BeforeClass;
import org.junit.Test;

public class LuceneReaderTest {
    private static Directory directory;

    private static String[] keywords = { "1", "2" };
    private static String[] unindexed = { "Netherlands", "Italy" };
    private static String[] unstored = { "Amsterdam has lots of bridges", "Venice has lots of canals" };
    private static String[] text = { "Amsterdam", "Venice" };

    @BeforeClass
    public static void setUp() throws IOException {
        directory = AosDirectory.newDirectory();
        addDocuments(directory);
    }

    @Test
    public void testWriter() throws IOException {
        IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46, getAnalyzer());
        IndexWriter writer = new IndexWriter(directory, config);
        assertEquals(keywords.length, writer.maxDoc());
        writer.close();
    }

    @Test
    public void testReader() throws IOException {
        IndexReader reader = DirectoryReader.open(directory);
        assertEquals(keywords.length, reader.maxDoc());
        assertEquals(keywords.length, reader.numDocs());
        reader.close();
    }

    private static void addDocuments(Directory dir) throws IOException {
        IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46, getAnalyzer());
        IndexWriter writer = new IndexWriter(dir, config);
        for (int i = 0; i < keywords.length; i++) {
            Document doc = new Document();
            doc.add(new Field("id", keywords[i], AosFieldType.INDEXED_STORED_TERMVECTORS));
            doc.add(new Field("city", text[i], AosFieldType.INDEXED_STORED_TERMVECTORS));
            doc.add(new Field("country", unindexed[i], AosFieldType.INDEXEDNOT_STORED_TERMVECTORSNOT));
            doc.add(new Field("contents", unstored[i], AosFieldType.INDEXED_STOREDNOT_TERMVECTORS));
            writer.addDocument(doc);
        }
        writer.forceMerge(1);
        writer.close();
    }

    private static Analyzer getAnalyzer() {
        return new SimpleAnalyzer(Version.LUCENE_46);
    }

}