OSID - osid.control.ControllerList Service Interface Definition

Interface	osid.control.ControllerList
Implements	`osid.OsidList`
Used By	`osid.control.ControllerLookupSession`
	`osid.control.ControllerQuerySession`
	`osid.control.ControllerSearchResults`
	`osid.control.ControllerSystemSession`
Description	Like all `OsidLists`, `ControllerList` provides a means for accessing `Controller` elements sequentially either one at a time or many at a time. Examples: while (cl.hasNext()) { Controller controller = cl.getNextController(); } or while (cl.hasNext()) { Controller[] controllers = cl.getNextControllers(cl.available()); }
Method	getNextController
Description	Gets the next `Controller` in this list.
Return	`osid.control.Controller`		the next `Controller` in this list. The `hasNext()` method should be used to test that a next `Controller` 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	getNextControllers
Description	Gets the next set of `Controller` elements in this list. The specified amount must be less than or equal to the return from `available()`.
Parameters	`cardinal`	`n`	the number of `Controller` elements requested which must be less than or equal to `available()`
Return	`osid.control.Controller[]`		an array of `Controller` 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.