OSID - osid.course.program.EnrollmentList Service Interface Definition

Interface	osid.course.program.EnrollmentList
Implements	`osid.OsidList`
Used By	`osid.course.chronicle.ProgramEntry`
	`osid.course.program.EnrollmentCourseCatalogSession`
	`osid.course.program.EnrollmentLookupSession`
	`osid.course.program.EnrollmentQuerySession`
	`osid.course.program.EnrollmentSearchResults`
Description	Like all `OsidLists`, `EnrollmentList` provides a means for accessing `Enrollment` elements sequentially either one at a time or many at a time. Examples: while (el.hasNext()) { Enrollment enrollment = el.getNextEnrollment(); } or while (el.hasNext()) { Enrollment[] enrollments = el.getNextEnrollments(el.available()); }
Method	getNextEnrollment
Description	Gets the next `Enrollment` in this list.
Return	`osid.course.program.Enrollment`		the next `Enrollment` in this list. The `hasNext()` method should be used to test that a next `Enrollment` 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	getNextEnrollments
Description	Gets the next set of `Enrollment` elements in this list. The specified amount must be less than or equal to the return from `available()`.
Parameters	`cardinal`	`n`	the number of `Enrollment` elements requested which must be less than or equal to `available()`
Return	`osid.course.program.Enrollment[]`		an array of `Enrollment` 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.