OSID - osid.billing.payment.batch.PaymentBatchForm Service Interface Definition

Interface	osid.billing.payment.batch.PaymentBatchForm
Implements	`osid.billing.payment.PaymentForm`
Description	This is the form for creating and updating payments in bulk. Like all `OsidForm` objects, various data elements may be set here for use in the create and update methods in the `PaymentBatchAdminSession.` For each data element that may be set, metadata may be examined to provide display hints or data constraints.
Method	getPayerId
Description	Gets the `Id` of the payer if this is a create transaction.
Return	`osid.id.Id`	the payer `Id`
Errors	ILLEGAL_STATE	`isForUpdate()` is `true`
Compliance	`mandatory`	This method must be implemented.
Method	getCustomerId
Description	Gets the `Id` of the customer if this is a create transaction.
Return	`osid.id.Id`	the customer `Id`
Errors	ILLEGAL_STATE	`isForUpdate()` is `true`
Compliance	`mandatory`	This method must be implemented.
Method	getPaymentId
Description	Gets the `Id` of the payment to be updated if this is an update transaction.
Return	`osid.id.Id`	the payment `Id`
Errors	ILLEGAL_STATE	`isForUpdate()` is `false`
Compliance	`mandatory`	This method must be implemented.