My Indexing Code ------------------------------- public void index(File indexDir, File dataDir) throws IOException { if (!dataDir.exists() || !dataDir.isDirectory()) { throw new IOException(dataDir + " does not exist or is not a directory"); } IndexWriter writer = new IndexWriter(indexDir, new StandardAnalyzer(), true); indexDirectory(writer, dataDir); writer.close(); } public void indexDirectory(IndexWriter writer, File dir) throws IOException { File[] files = dir.listFiles(); System.out.println("TOTAL NUMBER OF FILES :"+files.length); for (int i=0; i < files.length; i++) {
File f = files[i]; if (f.isDirectory()) { indexDirectory(writer, f); // recurse } else if (f.getName().endsWith(".txt") || f.getName().endsWith(".doc")) { indexFile(writer, f); } } } public void indexFile(IndexWriter writer, File f) throws IOException { System.out.println("Indexing " + f.getName()); /*Print the Indexed File Names*/ Document doc = new Document(); doc.add(Field.Text("contents", new FileReader(f))); doc.add(Field.Keyword("filename", f.getCanonicalPath())); writer.addDocument(doc); } -------------------------------------------------------------------- My Searching code...public Vector search(File indexDir, String q) throws Exception { Vector vecname=new Vector(); Directory fsDir = FSDirectory.getDirectory(indexDir, false); IndexSearcher is = new IndexSearcher(fsDir); Query query = QueryParser.parse(q, "contents", new StandardAnalyzer()); Hits hits = is.search(query); System.out.println("Found " + hits.length() + " document(s) that matched query '" + q + "':"); for (int i = 0; i < hits.length(); i++) { Document doc = hits.doc(i); vecname.add(doc.get("filename")); //System.out.println(doc.get("filename")); //System.out.println(hits.length()); } /** Creates a new instance of ContentSearcher */ return vecname; } ------------------------------------------------------------------ On Jan 25, 2008 1:35 PM, anjana m <[EMAIL PROTECTED]> wrote: > I want to retain the older index. > I dont want to delete the older index. > Please help me. > Does the recent release has the option to update the indexes without > deleting it. > I am ruuning the indexer on my sun application server. > and its thorwing exceptions like cannot delete indexex. > now every time i add new docs..i need to create a new index directory > andmake my program point to thenew index directory. > Please provide me..info about how can i handle the same.. > And also i would like to know abt the latest version..where it has fetures > to update indexes without deleting it.. > > > Thanks and regards > anjana >