@Override
public final UserAccount findUserAccountByUsername(final String username) {
if (username == null) {
throw new IllegalArgumentException("The passed username was null.");
}
final Selector selector = connectionPool.createSelector();
final List<Column> columns =
selector.getColumnsFromRow(COLUMN_FAMILY_USERNAME, username, false, CONSISTENCY_LEVEL_READ);
if (!columns.isEmpty()) {
final String userid = Selector.getColumnStringValue(columns, "userid");
return findUserAccountByPrimaryKey(userid);
}
return null;
}
