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

public Account getAccount() {
  if (account != null && account.getCreatedAt() == null) {
    account = fetch(account, Account.class);
  }
  return account;
}

public Invoice getInvoice() {
  if (invoice != null && invoice.getCreatedAt() == null) {
    invoice = fetch(invoice, Invoice.class);
  }
  return invoice;
}

public Coupon getCoupon() {
  if (coupon != null && coupon.getCouponCode() == null) {
    coupon = fetch(coupon, Coupon.class);
  }
  return coupon;
}

  private void verifyPendingSubscription(final Subscription subscription) {
    Subscription pending = subscription.getPendingSubscription();
    Assert.assertEquals(pending.getPlan().getPlanCode(), "silver");
    Assert.assertEquals(pending.getPlan().getName(), "Silver plan");
    Assert.assertEquals(pending.getUnitAmountInCents(), (Integer) 400);
    Assert.assertEquals(pending.getQuantity(), (Integer) 1);
    Assert.assertEquals(pending.getAddOns().size(), 0);
  }
}

private void verifySubscriptionAddons(final Subscription subscription) {
  Assert.assertEquals(subscription.getAddOns().size(), 2);
  Assert.assertEquals(subscription.getAddOns().get(0).getAddOnCode(), "extra_users");
  Assert.assertEquals(subscription.getAddOns().get(0).getQuantity(), (Integer) 2);
  Assert.assertEquals(subscription.getAddOns().get(0).getUnitAmountInCents(), (Integer) 1000);
  Assert.assertEquals(subscription.getAddOns().get(1).getAddOnCode(), "extra_ip");
  Assert.assertEquals(subscription.getAddOns().get(1).getQuantity(), (Integer) 3);
  Assert.assertEquals(subscription.getAddOns().get(1).getUnitAmountInCents(), (Integer) 200);
}

private CustomFields getTestFields() {
  CustomField cf = new CustomField();
  cf.setName("acct_field");
  cf.setValue("some account value");
  CustomFields fields = new CustomFields();
  fields.add(cf);
  return fields;
}

private void verifySubscriptionCustomFields(final Subscription subscription) {
  Assert.assertEquals(subscription.getCustomFields().size(), 2);
  Assert.assertEquals(subscription.getCustomFields().get(0).getName(), "field1");
  Assert.assertEquals(subscription.getCustomFields().get(0).getValue(), "one value");
  Assert.assertEquals(subscription.getCustomFields().get(1).getName(), "field2");
  Assert.assertEquals(subscription.getCustomFields().get(1).getValue(), "second value");
}

private void verifyPaginationData(final Subscription subscription) {
  // Verify nested attributes
  Assert.assertEquals(subscription.getAccount().getHref(), "https://api.recurly.com/v2/accounts/1");
  Assert.assertEquals(subscription.getAccount().getAccountCode(), "1");
}

public AdjustmentRefund toAdjustmentRefund() {
  final AdjustmentRefund adjustmentRefund = new AdjustmentRefund();
  adjustmentRefund.setUuid(uuid);
  adjustmentRefund.setQuantity(quantity);
  adjustmentRefund.setProrate(false);
  return adjustmentRefund;
}

public Account getAccount() {
  if (account != null && account.getCreatedAt() == null) {
    account = fetch(account, Account.class);
  }
  return account;
}

public Account getAccount() {
  if (account != null && account.getCreatedAt() == null) {
    account = fetch(account, Account.class);
  }
  return account;
}

public Account getAccount() {
  if (account != null && account.getCreatedAt() == null) {
    account = fetch(account, Account.class);
  }
  return account;
}

/**
 * Account object associated to this BillingInfo
 * <p>
 * Note: when fetching a BillingInfo object from Recurly, the account object is not guaranteed to be populated.
 *
 * @return account object
 */
public Account getAccount() {
  if (account != null && account.getCreatedAt() == null) {
    account = fetch(account, Account.class);
  }
  return account;
}

/**
 *  Builds a redemption request
 *
 * @param accountCode Account code to redeem
 * @return gift card redemption data for an account
 */
public static GiftCard.Redemption createRedemption(String accountCode) {
  Redemption redemption = new Redemption();
  redemption.setAccountCode(accountCode);
  return redemption;
}

/**
 * Sets the discount type for a {@link Coupon}
 *
 * @param discountType
 */
public void setDiscountType(final Object discountType) {
  this.discountType = enumOrNull(DiscountType.class, discountType);
}

/**
 * Sets the coupon code for the {@link Coupon}
 *
 * @param couponCode The coupon code
 */
public void setCouponCode(final Object couponCode) {
  this.couponCode = stringOrNull(couponCode);
}

  private void verifyPendingSubscription(final Subscription subscription) {
    Subscription pending = subscription.getPendingSubscription();
    Assert.assertEquals(pending.getPlan().getPlanCode(), "silver");
    Assert.assertEquals(pending.getPlan().getName(), "Silver plan");
    Assert.assertEquals(pending.getUnitAmountInCents(), (Integer) 400);
    Assert.assertEquals(pending.getQuantity(), (Integer) 1);
    Assert.assertEquals(pending.getAddOns().size(), 0);
  }
}

private void verifySubscriptionAddons(final Subscription subscription) {
  Assert.assertEquals(subscription.getAddOns().size(), 2);
  Assert.assertEquals(subscription.getAddOns().get(0).getAddOnCode(), "extra_users");
  Assert.assertEquals(subscription.getAddOns().get(0).getQuantity(), (Integer) 2);
  Assert.assertEquals(subscription.getAddOns().get(0).getUnitAmountInCents(), (Integer) 1000);
  Assert.assertEquals(subscription.getAddOns().get(1).getAddOnCode(), "extra_ip");
  Assert.assertEquals(subscription.getAddOns().get(1).getQuantity(), (Integer) 3);
  Assert.assertEquals(subscription.getAddOns().get(1).getUnitAmountInCents(), (Integer) 200);
}

private CustomFields getTestFields() {
  CustomField cf = new CustomField();
  cf.setName("acct_field");
  cf.setValue("some account value");
  CustomFields fields = new CustomFields();
  fields.add(cf);
  return fields;
}

private void verifySubscriptionCustomFields(final Subscription subscription) {
  Assert.assertEquals(subscription.getCustomFields().size(), 2);
  Assert.assertEquals(subscription.getCustomFields().get(0).getName(), "field1");
  Assert.assertEquals(subscription.getCustomFields().get(0).getValue(), "one value");
  Assert.assertEquals(subscription.getCustomFields().get(1).getName(), "field2");
  Assert.assertEquals(subscription.getCustomFields().get(1).getValue(), "second value");
}