OSID - osid.commenting.BookList Service Interface Definition

Interface	osid.commenting.BookList
Implements	`osid.OsidList`
Used By	`osid.commenting.BookHierarchySession`
	`osid.commenting.BookLookupSession`
	`osid.commenting.BookQuerySession`
	`osid.commenting.BookSearchResults`
	`osid.commenting.CommentBookSession`
Description	Like all `OsidLists`, `BookList` provides a means for accessing `Book` elements sequentially either one at a time or many at a time. Examples: while (bl.hasNext()) { Book book = bl.getNextBook(); } or while (bl.hasNext()) { Book[] books = bl.getNextBooks(bl.available()); }
Method	getNextBook
Description	Gets the next `Book` in this list.
Return	`osid.commenting.Book`		the next `Book` in this list. The `hasNext()` method should be used to test that a next `Book` 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	getNextBooks
Description	Gets the next set of `Book` elements in this list. The specified amount must be less than or equal to the return from `available()`.
Parameters	`cardinal`	`n`	the number of `Book` elements requested which must be less than or equal to `available()`
Return	`osid.commenting.Book[]`		an array of `Book` 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.