/**
* Singleton access method
*
* @return the single instance of SumQueryService
*/
public static final SumQueryService getInstance() {
if (instance == null) {
instance = new SumQueryService();
try {
Document doc = instance.openDocument();
instance.readQueries(doc);
} catch (DocumentException e) {
e.printStackTrace();
}
}
return instance;
}
/**
* A convenience method for getting a named query from the service.
*
* @param name
* @return SumNativeQuery
*/
public static SumNativeQuery getQuery(String name) {
return (SumNativeQuery) SumQueryService.getInstance().getQueries().get(name);
}