OSID - osid.commenting.BookQuerySession Service Interface Definition

Interface	osid.commenting.BookQuerySession
Implements	`osid.OsidSession`
Description	This session provides methods for searching `Book` objects. The search query is constructed using the `BookQuery.` The book record `Type` also specifies the record for the book query. Books may have a query record indicated by their respective record types. The query record is accessed via the `BookQuery.` The returns in this session may not be cast directly to these interfaces.
Method	canSearchBooks
Description	Tests if this user can perform `Book` searches. A return of true does not guarantee successful authorization. A return of false indicates that it is known all methods in this session will result in a `PERMISSION_DENIED.` This is intended as a hint to an application that may opt not to offer search operations to unauthorized users.
Return	`boolean`		`false` if search methods are not authorized, `true` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	getBookQuery
Description	Gets a book query.
Return	`osid.commenting.BookQuery`		the book query
Compliance	`mandatory`		This method must be implemented.
Method	getBooksByQuery
Description	Gets a list of `Books` matching the given search.
Parameters	`osid.commenting.BookQuery`	`bookQuery`	the book query
Return	`osid.commenting.BookList`		the returned `BookList`
Errors	NULL_ARGUMENT		`bookQuery` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
	UNSUPPORTED		`bookQuery` is not of this service
Compliance	`mandatory`		This method must be implemented.