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com.vaadin.collaborationengine.
Package com.vaadin.collaborationengine
Interface CollaborationMessageSubmitter
All Superinterfaces:
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
Submitter of messages. A submitter can be set on a
CollaborationMessageList to setup the message appending logic when
the connection to the associated topic is activated and also to return a
callback to handle connection deactivation (e.g. disabling an input field).
Since:
3.1
Author:
Vaadin Ltd.
See Also:
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Nested Class Summary
Nested ClassesModifier and TypeInterfaceDescriptionstatic interfaceThe activation context of a
CollaborationMessageSubmitter. -
Method Summary
Modifier and TypeMethodDescriptiononActivation(CollaborationMessageSubmitter.ActivationContext activationContext) Handles the activation of the submitter, for example setting up an input component to append new messages using the
CollaborationMessageSubmitter.ActivationContext.appendMessage(String)method.
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Method Details
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onActivation
Handles the activation of the submitter, for example setting up an input component to append new messages using the
CollaborationMessageSubmitter.ActivationContext.appendMessage(String)method. The returnedRegistrationcallback can be used to handle the deactivation of the submitter, for example to disable an input component.Parameters:
activationContext- the activation contextReturns:
the registration which will be removed when the connection is deactivated, not null
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