OSID - osid.repository.RepositoryQuerySession Service Interface Definition

Interface	osid.repository.RepositoryQuerySession
Implements	`osid.OsidSession`
Implemented By	`osid.repository.RepositorySearchSession`
Used By	`osid.repository.RepositoryManager`
Used By	`osid.repository.RepositoryProxyManager`
Description	This session provides methods for searching among `Repository` objects. The search query is constructed using the `RepositoryQuery`. Repositories may have a query record indicated by their respective record types. The query record is accessed via the `RepositoryQuery`.
Method	canSearchRepositories
Description	Tests if this user can perform `Repository` 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	getRepositoryQuery
Description	Gets a repository query.
Return	`osid.repository.RepositoryQuery`		the repository query
Compliance	`mandatory`		This method must be implemented.
Method	getRepositoriesByQuery
Description	Gets a list of `Repositories` matching the given repository query.
Parameters	`osid.repository.RepositoryQuery`	`repositoryQuery`	the repository query
Return	`osid.repository.RepositoryList`		the returned `RepositoryList`
Errors	NULL_ARGUMENT		`repositoryQuery` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
	UNSUPPORTED		`repositoryQuery` is not of this service
Compliance	`mandatory`		This method must be implemented.