@Override
    public String toString() {
        String lsAttrs = "";

        for (int i = 0; caAttributes != null && i < caAttributes.size(); i++) {
            lsAttrs += " " + caAttributes.get(i).toString();
        }
        StringBuilder builder = new StringBuilder();
        builder.append("ROOM [attributeid=");
        builder.append(csAttributeId);
        builder.append(", descr=");
        builder.append(csDescr);
        builder.append(", lastmodified=");
        builder.append(csLastModified);
        builder.append(", name=");
        builder.append(csName);
        builder.append(lsAttrs.equals("") ? "" : "," + lsAttrs);
        builder.append("]");
        return builder.toString();
    }