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com.vaadin.flow.component.
Package com.vaadin.flow.component
Interface PollNotifier
All Superinterfaces:
All Known Implementing Classes:
The interface for adding and removing PollEvent listeners.
By implementing this interface, a class publicly announces that it is able to
send PollEvents whenever the client sends a periodic poll
message to the client, to check for asynchronous server-side modifications.
Since:
1.0
See Also:
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Method Summary
Modifier and TypeMethodDescriptiondefault RegistrationaddPollListener(ComponentEventListener<PollEvent> listener) Add a poll listener.
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Method Details
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addPollListener
Add a poll listener.
The listener is called whenever the client polls the server for asynchronous UI updates.
Parameters:
listener- the listener to addReturns:
a handle that can be used for removing the listener
See Also:
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