public int sizeOf(QueryExpression queryExpression) throws CatalogException {
try {
if (this.isQueriable()) {
QueryService queryService = (QueryService) this.index;
return queryService.sizeOf(queryExpression);
}else {
LOG.log(Level.WARNING, "Catalog '" + this + "' is not queriable");
return 0;
}
}catch (Exception e) {