OSID - osid.ordering.PriceList Service Interface Definition

Interface	osid.ordering.PriceList
Implements	`osid.OsidList`
Used By	`osid.ordering.Item`
	`osid.ordering.PriceSchedule`
	`osid.ordering.rules.PriceEnablerRuleLookupSession`
Description	Like all `OsidLists`, `PriceList` provides a means for accessing `Price` elements sequentially either one at a time or many at a time. Examples: while (pl.hasNext()) { Price price = pl.getNextPrice(); } or while (pl.hasNext()) { Price[] prices = pl.getNextPrices(pl.available()); }
Method	getNextPrice
Description	Gets the next `Price` in this list.
Return	`osid.ordering.Price`		the next `Price` in this list. The `hasNext()` method should be used to test that a next `Price` is available before calling this method.
Errors	ILLEGAL_STATE		no more elements available in this list
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.
Method	getNextPrices
Description	Gets the next set of `Price` elements in this list. The specified amount must be less than or equal to the return from `available()`.
Parameters	`cardinal`	`n`	the number of `Price` elements requested which must be less than or equal to `available()`
Return	`osid.ordering.Price[]`		an array of `Price` elements. The length of the array is less than or equal to the number specified.
Errors	ILLEGAL_STATE		no more elements available in this list
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.