import org.apache.lucene.index._
import org.apache.lucene.document._
import org.apache.lucene.search._

val directory = new RAMDirectory()
val config = new IndexWriterConfig()
val writer = new IndexWriter(directory, config)
writer.addDocument({
  val doc = new Document()
  doc.add(new TextField("text", "brown fox jumps over lazy dog", Field.Store.YES))
  doc
})
writer.commit()
writer.close()

val reader = DirectoryReader.open(directory)
val searcher = new IndexSearcher(reader)
val coll = TopScoreDocCollector.create(1)
val query = new TermQuery(new Term("text", "dog"))
searcher.search(query, coll)

Console.println(coll.topDocs().scoreDocs.toList)
Console.println(coll.topDocs().scoreDocs.toList)
reader.close()
directory.close()