com.vaadin.collaborationengine

Class AbstractCollaborationManager

java.lang.Object

com.vaadin.collaborationengine.AbstractCollaborationManager

Direct Known Subclasses:

MessageManager

public abstract class AbstractCollaborationManager
extends Object

The common abstract superclass of Collaboration Managers.

Author:

Vaadin Ltd

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	AbstractCollaborationManager.ActivationHandler The callback executed when the manager is activated, i.e.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractCollaborationManager(UserInfo localUser, String topicId, CollaborationEngine collaborationEngine) Constructs a new manager instance.

Method Summary

Modifier and Type	Method and Description
void	close() Closes the manager connection to the topic.
protected CollaborationEngine	getCollaborationEngine() Gets the CollaborationEngine of this manager.
UserInfo	getLocalUser() Gets the local user of this manager.
String	getTopicId() Gets the topic id of this manager.
protected void	openTopicConnection(ConnectionContext context, SerializableFunction<TopicConnection,Registration> connectionActivationCallback) Opens a connection to the topic of this manager using the provided context and activation callback.
void	setActivationHandler(AbstractCollaborationManager.ActivationHandler handler) Sets an handler that will be executed when the manager is activated, i.e.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractCollaborationManager

protected AbstractCollaborationManager(UserInfo localUser,
                                       String topicId,
                                       CollaborationEngine collaborationEngine)

Constructs a new manager instance.

Parameters:

localUser - the local user, not null

topicId - the topic id, not null

collaborationEngine - the Collaboration Engine instance, not null

Method Detail

openTopicConnection

protected void openTopicConnection(ConnectionContext context,
                                   SerializableFunction<TopicConnection,Registration> connectionActivationCallback)

Opens a connection to the topic of this manager using the provided context and activation callback.

Parameters:

context - the connection context, not null

connectionActivationCallback - the callback to be executed when a connection is activated, not null

setActivationHandler

public void setActivationHandler(AbstractCollaborationManager.ActivationHandler handler)

Sets an handler that will be executed when the manager is activated, i.e. the connection to the topic is established.

Parameters:

handler - the handler, null to remove an existing handler

getCollaborationEngine

protected CollaborationEngine getCollaborationEngine()

Gets the CollaborationEngine of this manager.

Returns:

the CollaborationEngine, not null

getLocalUser

public UserInfo getLocalUser()

Gets the local user of this manager.

Returns:

the local user, not null

getTopicId

public String getTopicId()

Gets the topic id of this manager.

Returns:

the topic id, not null

close

public void close()

Closes the manager connection to the topic. This is typically handled automatically by the connection-context and in most cases is not needed to be done explicitly, e.g. with ComponentConnectionContext when the component is detached.