OSID - osid.control.ActionList Service Interface Definition

Interface	osid.control.ActionList
Implements	`osid.OsidList`
Used By	`osid.control.ActionGroup`
Used By	`osid.control.rules.ActionEnablerRuleLookupSession`
Description	Like all `OsidLists`, `ActionList` provides a means for accessing `Action` elements sequentially either one at a time or many at a time. Examples: while (al.hasNext()) { Action action = al.getNextAction(); } or while (al.hasNext()) { Action[] actions = al.getNextActions(al.available()); }
Method	getNextAction
Description	Gets the next `Action` in this list.
Return	`osid.control.Action`		the next `Action` in this list. The `hasNext()` method should be used to test that a next `Action` 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	getNextActions
Description	Gets the next set of `Action` elements in this list. The specified amount must be less than or equal to the return from `available()`.
Parameters	`cardinal`	`n`	the number of `Action` elements requested which must be less than or equal to `available()`
Return	`osid.control.Action[]`		an array of `Action` 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.