OSID - osid.voting.PollsQuerySession Service Interface Definition

Interface	osid.voting.PollsQuerySession
Implements	`osid.OsidSession`
Implemented By	`osid.voting.PollsSearchSession`
Used By	`osid.voting.VotingManager`
Used By	`osid.voting.VotingProxyManager`
Description	This session provides methods for searching among `Polls` objects. The search query is constructed using the `PollsQuery`. Polls may have a polls query record indicated by their respective record types. The polls query record is accessed via the `PollsQuery`.
Method	canSearchPolls
Description	Tests if this user can perform `Polls` 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	getPollsQuery
Description	Gets a polls query.
Return	`osid.voting.PollsQuery`		the polls query
Compliance	`mandatory`		This method must be implemented.
Method	getPollsByQuery
Description	Gets a list of `Polls` matching the given query.
Parameters	`osid.voting.PollsQuery`	`pollsQuery`	the polls query
Return	`osid.voting.PollsList`		the returned `PollsList`
Errors	NULL_ARGUMENT		`pollsQuery` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
	UNSUPPORTED		a `pollsQuery` is not of this service
Compliance	`mandatory`		This method must be implemented.