OSID - osid.control.rules.ActionEnablerList Service Interface Definition

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