public CheckingAccountBean load(CheckingAccount model, boolean onlyLazy) {

    if (model == null) throw new IllegalStateException();

    this.model = model;
    this.id = model.getId();
    this.bankUnit = new BankUnitBean().load(model.getBankUnit());
    this.name = model.getName();
    this.digit = model.getDigit();
    this.number = model.getNumber();
    this.opening = model.getOpening();
    this.start = model.getStart();
    this.startBalance = model.getStartBalance();
    this.active = model.isActive();

    List<CollectionAccountBean> collAcclist = new ArrayList<CollectionAccountBean>();
    for (CollectionAccount coll : model.getCollectionAccounts()) {
      collAcclist.add(new CollectionAccountBean().load(coll));
    }
    setCollectionAccounts(collAcclist);

    return this;
  }