OSID - osid.course.registration.RegistrationList Service Interface Definition

Interface	osid.course.registration.RegistrationList
Implements	`osid.OsidList`
Used By	`osid.course.chronicle.CourseEntry`
	`osid.course.registration.RegistrationCourseCatalogSession`
	`osid.course.registration.RegistrationLookupSession`
	`osid.course.registration.RegistrationQuerySession`
	`osid.course.registration.RegistrationSearchResults`
Description	Like all `OsidLists` , `RegistrationList` provides a means for accessing `Registration` elements sequentially either one at a time or many at a time. Examples: while (rl.hasNext()) { Registration registration = rl.getNextRegistration(); } or while (rl.hasNext()) { Registration[] registrations = rl.getNextRegistrations(rl.available()); }
Method	getNextRegistration
Description	Gets the next `Registration` in this list.
Return	`osid.course.registration.Registration`		the next `Registration` in this list. The `hasNext()` method should be used to test that a next `Registration` 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	getNextRegistrations
Description	Gets the next set of `Registration` elements in this list. The specified amount must be less than or equal to the return from `available()` .
Parameters	`cardinal`	`n`	the number of `Registration` elements requested which must be less than or equal to `available()`
Return	`osid.course.registration.Registration[]`		an array of `Registration` 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.