OSID - osid.billing.payment.Payer Service Interface Definition

Interface	osid.billing.payment.Payer
Implements	`osid.OsidObject`
Implements	`osid.Temporal`
Description	A `Payer` represents the payer of the bills. A `Payer` links a payment type to a paying contact `Resource.`
Method	getResourceId
Description	Gets the resource `Id` representing the billing contact.
Return	`osid.id.Id`		the resource `Id`
Compliance	`mandatory`		This method must be implemented.
Method	getResource
Description	Gets the resource.
Return	`osid.resource.Resource`		the resource
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.
Method	hasCustomer
Description	Tests if this payer is linked directly to a customer account.
Return	`boolean`		`true` if this payer is linked to a customer, `false` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	getCustomerId
Description	Gets the customer `Id.`
Return	`osid.id.Id`		the customer `Id`
Errors	ILLEGAL_STATE		`hasCustomer()` is `false`
Compliance	`mandatory`		This method must be implemented.
Method	getCustomer
Description	Gets the customer.
Return	`osid.billing.Customer`		the customer
Errors	ILLEGAL_STATE		`hasCustomer()` is `false`
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.
Method	usesActivity
Description	Tests if this payer uses the customer financial activity for payments. If `usesActivity()` is true, then `usesCash(),` `hasCreditCard(),` and `hasBankAccount()` must be `false.`
Return	`boolean`		`true` if this payer uses the customer activity, `false` otherwise
Errors	ILLEGAL_STATE		`hasCustomer()` is `false`
Compliance	`mandatory`		This method must be implemented.
Method	usesCash
Description	Tests if this payer uses cash for payments.
Return	`boolean`		`true` if this payer uses the cash, `false` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	hasCreditCard
Description	Tests if this payer pays by credit card. If `hasCreditCard()` is true, then `usesActivity(),` `usesCash(),` `hasCreditCard(),` and `hasBankAccount()` must be `false.`
Return	`boolean`		`true` if this payer pays by credit card, `false` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	getCreditCardNumber
Description	Gets the credit card number.
Return	`string`		the credit card number
Errors	ILLEGAL_STATE		`hasCreditCard()` is `false`
Compliance	`mandatory`		This method must be implemented.
Method	getCreditCardExpiration
Description	Gets the credit card expiration date.
Return	`osid.calendaring.DateTime`		the expiration date
Errors	ILLEGAL_STATE		`hasCreditCard()` is `false`
Compliance	`mandatory`		This method must be implemented.
Method	getCreditCardCode
Description	Gets the credit card security code.
Return	`string`		the credit card security code
Errors	ILLEGAL_STATE		`hasCreditCard()` is `false`
Compliance	`mandatory`		This method must be implemented.
Method	hasBankAccount
Description	Tests if this payer pays by bank account If `hasBankAccount()` is true, then `usesActivity(),` `usesCash(),` `hasCreditCard(),` and `hasCreditCard()` must be `false.`
Return	`boolean`		`true` if this payer pays by bank account, `false` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	getBankRoutingNumber
Description	Gets the bank routing number.
Return	`string`		the bank routing number number
Errors	ILLEGAL_STATE		`hasBankAccount()` is `false`
Compliance	`mandatory`		This method must be implemented.
Method	getBankAccountNumber
Description	Gets the bank account number.
Return	`string`		the bank account number
Errors	ILLEGAL_STATE		`hasBankAccount()` is `false`
Compliance	`mandatory`		This method must be implemented.
Method	getPayerRecord
Description	Gets the payer record corresponding to the given `Payer` record `Type.` This method is used to retrieve an object implementing the requested record. The `payerRecordType` may be the `Type` returned in `getRecordTypes()` or any of its parents in a `Type` hierarchy where `hasRecordType(payerRecordType)` is `true` .
Parameters	`osid.type.Type`	`payerRecordType`	the type of payer record to retrieve
Return	`osid.billing.payment.records.PayerRecord`		the payer record
Errors	NULL_ARGUMENT		`payerRecordType` is `null`
	OPERATION_FAILED		unable to complete request
	UNSUPPORTED		`hasRecordType(payerRecordType)` is `false`
Compliance	`mandatory`		This method must be implemented.