Initialize the index writer and index data.

IndexData.java

// --------------------------------------------------------------------------------
//Initiate the writer -------------------------------------------------------------
writer = new IndexWriter(indexDir, new IndexWriterConfig(
        new WhitespaceAnalyzer()).setOpenMode(IndexWriterConfig.OpenMode.CREATE));



//Index Data ----------------------------------------------------------------------
//Sample Data 1 -------------------------------------------------------------------
Document doc = new Document();
doc.add(new StoredField(NAME_TAG ,"Colombo Ratmalana")); //Stored fields will be stored in the index and values can be retrieved from the index
doc.add(new StoredField(CITY_TAG,"Colombo"));

//Index data as a LatLon Point
doc.add(new LatLonPoint(LOCATION_TAG, 6.821994,79.886208));

//Index Altitude as a FloatPoint. An One-Dimensional Point
doc.add(new FloatPoint(ALT_TAG,22));

//Write the document into Index
writer.addDocument(doc);