Lucene indexer Intro

Lucene Intro: "Lucene is a high-performance, scalable, search engine technology. Both indexing and searching features make up the Lucene API. The first part of this article takes you through an example of using Lucene to index all the text files in a directory and its subdirectories. Before proceeding to examples of analysis and searching, we'll take a brief detour to discuss the format of the index directory."