Here is a quick way to create a ConfigSection Handler for reading Hierarchical configs. For e.g. suppose you need to read a config file which has the following structure: 1: <MainConfig> 2: <Company>MySpace</... 3: <SubConfig> 4: <ID>23</ID> 5: <Name>Rohit</Name> 6: <LastName>Gupta</L... 7: </SubConfig> 8: </MainConfig> For this you would create the 2 classes, one for the Parent Config and another for the child config...

We can run multifield searches in Lucene using either the BooleanQuery API or using the MultiFieldQueryParser for parsing the query text. For e.g. If a index has 2 fields FirstName and LastName and if you need to search for "John" in the FirstName field and "Travis" in the LastName field one can use a Boolean Query as such: 1: BooleanQuery bq = new BooleanQuery(); 2: Query qf = new TermQuery(new Lucene.Net.Index.Term("Firs... "John")); 3: Query ql = new TermQuery(new Lucene.Net.Index.Term("Last...