OSID - osid.subscription.SubscriptionList Service Interface Definition

Interface	osid.subscription.SubscriptionList
Implements	`osid.OsidList`
Used By	`osid.subscription.MySubscriptionSession`
	`osid.subscription.SubscriptionLookupSession`
	`osid.subscription.SubscriptionPublisherSession`
	`osid.subscription.SubscriptionQuerySession`
	`osid.subscription.SubscriptionSearchResults`
	`osid.subscription.rules.SubscriptionEnablerRuleLookupSession`
Description	Like all `OsidLists`, `SubscriptionList` provides a means for accessing `Subscription` elements sequentially either one at a time or many at a time. Examples: while (sl.hasNext()) { Subscription subscription = sl.getNextSubscription(); } or while (sl.hasNext()) { Subscription[] subscriptions = sl.getNextSubscriptions(sl.available()); }
Method	getNextSubscription
Description	Gets the next `Subscription` in this list.
Return	`osid.subscription.Subscription`		the next `Subscription` in this list. The `hasNext()` method should be used to test that a next `Subscription` 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	getNextSubscriptions
Description	Gets the next set of `Subscription` elements in this list. The specified amount must be less than or equal to the return from `available()`.
Parameters	`cardinal`	`n`	the number of `Subscription` elements requested which must be less than or equal to `available()`
Return	`osid.subscription.Subscription[]`		an array of `Subscription` 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.