OSID - osid.lexicon.PressQuerySession Service Interface Definition

Interface	osid.lexicon.PressQuerySession
Implements	`osid.OsidSession`
Implemented By	`osid.lexicon.PressSearchSession`
Used By	`osid.lexicon.LexiconManager`
Used By	`osid.lexicon.LexiconProxyManager`
Description	This session provides methods for searching among `Presses`. The search query is constructed using the `PressQuery`. Presses may have a query record indicated by their respective record types. The query record is accessed via the `PressQuery`.
Method	canSearchPresses
Description	Tests if this user can perform `Press` 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 press that may not offer lookup operations to unauthorized users.
Return	`boolean`		`false` if search methods are not authorized, `true` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	getPressQuery
Description	Gets an press query.
Return	`osid.lexicon.PressQuery`		the press query
Compliance	`mandatory`		This method must be implemented.
Method	getPressesByQuery
Description	Gets a list of `Presses` matching the given press query.
Parameters	`osid.lexicon.PressQuery`	`pressQuery`	the press query
Return	`osid.lexicon.PressList`		the returned `PressList`
Errors	NULL_ARGUMENT		`pressQuery` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
	UNSUPPORTED		`pressQuery` is not of this service
Compliance	`mandatory`		This method must be implemented.