<pre class="brush:java">
package org.basex.examples.query;
import org.basex.query.*;
import org.basex.query.item.*;
import org.basex.util.*;
/**
* {@link QueryModule} class.
*/
public class QueryModuleExample ContextModule extends org.basex.query.QueryModule {
/**
* Returns the root expression of this query as string.
* @return root expression
*/
public String rootExpressionfunctionNamespace() { return Token.string(context.rootsc.toString(nsFunc);
}