OSID - osid.inventory.ItemList Service Interface Definition

Interface	osid.inventory.ItemList
Implements	`osid.OsidList`
Used By	`osid.inventory.ItemLookupSession`
	`osid.inventory.ItemQuerySession`
	`osid.inventory.ItemSearchResults`
	`osid.inventory.ItemWarehouseSession`
Description	Like all `OsidLists`, `ItemList` provides a means for accessing `Item` elements sequentially either one at a time or many at a time. Examples: while (il.hasNext()) { Item item = il.getNextItem(); } or while (il.hasNext()) { Item[] items = il.getNextItems(il.available()); }
Method	getNextItem
Description	Gets the next `Item` in this list.
Return	`osid.inventory.Item`		the next `Item` in this list. The `hasNext()` method should be used to test that a next `Item` 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	getNextItems
Description	Gets the next set of `Item` elements in this list. The specified amount must be less than or equal to the return from `available()`.
Parameters	`cardinal`	`n`	the number of `Item` elements requested which must be less than or equal to `available()`
Return	`osid.inventory.Item[]`		an array of `Item` 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.