in src/main/java/org/apache/commons/dbutils/QueryRunner.java [714:722]
private void retrieveOutParameters(final CallableStatement stmt, final Object[] params) throws SQLException {
if (params != null) {
for (int i = 0; i < params.length; i++) {
if (params[i] instanceof OutParameter) {
((OutParameter<?>) params[i]).setValue(stmt, i + 1);
}
}
}
}