OSID - osid.ordering.ProductList Service Interface Definition

Interface	osid.ordering.ProductList
Implements	`osid.OsidList`
Used By	`osid.ordering.ProductLookupSession`
	`osid.ordering.ProductQuerySession`
	`osid.ordering.ProductSearchResults`
	`osid.ordering.ProductStoreSession`
Description	Like all `OsidLists`, `ProductList` provides a means for accessing `Product` elements sequentially either one at a time or many at a time. Examples: while (pl.hasNext()) { Product product = pl.getNextProduct(); } or while (pl.hasNext()) { Product[] products = pl.getNextProducts(pl.available()); }
Method	getNextProduct
Description	Gets the next `Product` in this list.
Return	`osid.ordering.Product`		the next `Product` in this list. The `hasNext()` method should be used to test that a next `Product` 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	getNextProducts
Description	Gets the next set of `Product` elements in this list. The specified amount must be less than or equal to the return from `available()`.
Parameters	`cardinal`	`n`	the number of `Product` elements requested which must be less than or equal to `available()`
Return	`osid.ordering.Product[]`		an array of `Product` 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.