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com.vaadin.collaborationengine.
Package com.vaadin.collaborationengine
Interface AbstractCollaborationManager.ActivationHandler
All Superinterfaces:
Enclosing class:
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface
public static interface AbstractCollaborationManager.ActivationHandler
extends Serializable
The callback executed when the manager is activated, i.e. when the connection to the topic is established.
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Method Summary
Modifier and TypeMethodDescriptionThe method executed when the manager is activated.
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Method Details
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onActivation
Registration onActivation()The method executed when the manager is activated. The method might return a callback which will be invoked when the manager is deactivated, i.e. the connection to the topic is closed. This callback can be used to clean-up resources used during activation.
Returns:
a callback which will be executed when the manager is deactivated, or
nullif not needed
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