How to use com.ning.billing.invoice.model

  @Override
  public Invoice apply(final InvoiceModelDao input) {
    return new DefaultInvoice(input);
  }
});

  @Override
  public String toString() {
    return "DefaultInvoice [items=" + invoiceItems + ", payments=" + payments + ", id=" + id + ", accountId=" + accountId + ", invoiceDate=" + invoiceDate + ", targetDate=" + targetDate + ", currency=" + currency + ", amountPaid=" + getPaidAmount() + "]";
  }
}

  @Override
  public InvoicePayment apply(final InvoicePaymentModelDao input) {
    return new DefaultInvoicePayment(input);
  }
}));

protected BigDecimal calculateNumberOfBillingCycles(final LocalDate startDate, final LocalDate endDate, final LocalDate targetDate, final int billingCycleDay) throws InvalidDateSequenceException {
  final List<RecurringInvoiceItemData> items = getBillingMode().calculateInvoiceItemData(startDate, endDate, targetDate, billingCycleDay, getBillingPeriod());
  BigDecimal numberOfBillingCycles = ZERO;
  for (final RecurringInvoiceItemData item : items) {
    numberOfBillingCycles = numberOfBillingCycles.add(item.getNumberOfCycles());
  }
  return numberOfBillingCycles.setScale(NUMBER_OF_DECIMALS, ROUNDING_METHOD);
}

  @Override
  public InvoiceItem apply(final InvoiceItemModelDao input) {
    return InvoiceItemFactory.fromModelDao(input);
  }
}));

  @Override
  protected BillingMode getBillingMode() {
    return new InAdvanceBillingMode();
  }
}

  @Override
  public Invoice apply(final InvoiceModelDao invoiceModelDao) {
    return new DefaultInvoice(invoiceModelDao);
  }
}

  @Override
  public InvoicePayment apply(final InvoicePaymentModelDao input) {
    return new DefaultInvoicePayment(input);
  }
});

  @Override
  public InvoiceItem apply(final InvoiceItemModelDao input) {
    return InvoiceItemFactory.fromModelDao(input);
  }
}));

@Override
protected BillingMode getBillingMode() {
  return new InAdvanceBillingMode();
}

  @Override
  public Invoice apply(final InvoiceModelDao input) {
    return new DefaultInvoice(input);
  }
}));

  @Override
  public InvoicePayment apply(final InvoicePaymentModelDao input) {
    return new DefaultInvoicePayment(input);
  }
}));

  @Override
  public InvoiceItem apply(final InvoiceItemModelDao input) {
    return InvoiceItemFactory.fromModelDao(input);
  }
}),

  @Override
  public Invoice apply(final InvoiceModelDao input) {
    return new DefaultInvoice(input);
  }
}));

  @Override
  public InvoicePayment apply(final InvoicePaymentModelDao input) {
    return new DefaultInvoicePayment(input);
  }
}));

  @Override
  public Invoice apply(final InvoiceModelDao input) {
    return new DefaultInvoice(input);
  }
})); //no need to fetch, invoicing is off on this account

  @Override
  public InvoicePayment apply(final InvoicePaymentModelDao input) {
    return new DefaultInvoicePayment(input);
  }
}));

  @Override
  public Invoice apply(final InvoiceModelDao input) {
    return new DefaultInvoice(input);
  }
}));

  @Override
  public Invoice apply(final InvoiceModelDao invoiceModelDao) {
    return new DefaultInvoice(invoiceModelDao);
  }
}

  @Override
  public Invoice apply(final InvoiceModelDao input) {
    return new DefaultInvoice(input);
  }
}));