package org.example;

public class SubstringUserType implements UserType {
    @Override
    public Class<String> returnedClass() {
        return String.class;
    }

    @Override
    public Object nullSafeGet(final ResultSet rs, final String[] names, final SessionImplementor    session, final Object owner) throws HibernateException, SQLException {
        if (rs != null || names.length != 0 || null != names[0]) {
            String desc = rs.getString(names[0]);
            return desc.substring(0, 3);
        }
    }
}

@Type(type = "org.example.SubstringUserType")