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public interface DXFeedSubscriptionChangeListener
This listener interface for receiving notifications on the change of subscription.
All methods on this interface are invoked while holding a lock on DXFeedSubscription
instance,
thus all changes for a given subscription are synchronized with respect to each other.
Method Summary | |
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void |
subscriptionCleared(DXFeedSubscription<?> subscription)
Invoked when all symbols are removed from subscription. |
void |
subscriptionClosed(DXFeedSubscription<?> subscription)
Invoked when subscription is closed. |
void |
symbolsAdded(DXFeedSubscription<?> subscription,
java.util.Collection<java.lang.String> symbols)
Invoked when a collection of symbols is added to a subscription. |
void |
symbolsRemoved(DXFeedSubscription<?> subscription,
java.util.Collection<java.lang.String> symbols)
Invoked when a collection of symbols is removed from a subscription. |
Method Detail |
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void symbolsAdded(DXFeedSubscription<?> subscription, java.util.Collection<java.lang.String> symbols)
subscription
- the subscription.symbols
- the collection of symbols.void symbolsRemoved(DXFeedSubscription<?> subscription, java.util.Collection<java.lang.String> symbols)
subscription
- the subscruption.symbols
- the collection of symbols.void subscriptionCleared(DXFeedSubscription<?> subscription)
subscription
- the subscruption.void subscriptionClosed(DXFeedSubscription<?> subscription)
subscription
- the subscruption.
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