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public interface SubscriptionListener
The SubscriptionListener
is used to receive notifications about
subscription availability in the corresponding subscription providers.
Generally, the notification is issued only if provider transforms from 'empty' state into 'available' state at some moment after transition. In other cases notification is not issued, though certain exclusions exist. The notification is issued in a state that allows listener to perform potentially costly operations like event scheduling, synchronization, or farther notification.
Field Summary | |
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static SubscriptionListener |
VOID
This listener immediately retrieves and discards subscription from provider. |
Method Summary | |
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void |
subscriptionAvailable(SubscriptionProvider provider)
Notifies this listener that subscription is available in the specified subscription provider. |
Field Detail |
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static final SubscriptionListener VOID
Method Detail |
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void subscriptionAvailable(SubscriptionProvider provider)
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