import org.apache.lucene.queryParser.*; 
import org.apache.lucene.search.*; 
import org.apache.lucene.index.*; 
import org.apache.lucene.analysis.*; 
import org.apache.lucene.analysis.standard.*;
import org.apache.lucene.document.*; 

public class ParseTest { 

    public static void main(String args[]) throws Exception {

    	Analyzer analyzer = new StandardAnalyzer(); 
    	IndexReader reader = IndexReader.open("index");
    	Searcher searcher = new IndexSearcher(reader);
    	String qStr = "children.name:John";
    	Query query = QueryParser.parse(qStr, "text", analyzer);
    }
}