OSID - osid.control.ActionGroupList Service Interface Definition

Interface	osid.control.ActionGroupList
Implements	`osid.OsidList`
Used By	`osid.control.ActionGroupLookupSession`
	`osid.control.ActionGroupQuerySession`
	`osid.control.ActionGroupSearchResults`
	`osid.control.ActionGroupSystemSession`
	`osid.control.Trigger`
Description	Like all `OsidLists`, `ActionGroupList` provides a means for accessing `ActionGroup` elements sequentially either one at a time or many at a time. Examples: while (agl.hasNext()) { ActionGroup group = agl.getNextActionGroup(); } or while (agl.hasNext()) { ActionGroup[] groups = agl.getNextActionGroups(agl.available()); }
Method	getNextActionGroup
Description	Gets the next `ActionGroup` in this list.
Return	`osid.control.ActionGroup`		the next `ActionGroup` in this list. The `hasNext()` method should be used to test that a next `ActionGroup` 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	getNextActionGroups
Description	Gets the next set of `ActionGroup` elements in this list. The specified amount must be less than or equal to the return from `available()`.
Parameters	`cardinal`	`n`	the number of `ActionGroup` elements requested which must be less than or equal to `available()`
Return	`osid.control.ActionGroup[]`		an array of `ActionGroup` 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.