com.vaadin.collaborationengine

Class CollaborationMessagePersister.FetchQuery

java.lang.Object

java.util.EventObject

com.vaadin.collaborationengine.CollaborationMessagePersister.FetchQuery

All Implemented Interfaces:

Serializable

Enclosing interface:

CollaborationMessagePersister

public static class CollaborationMessagePersister.FetchQuery
extends EventObject

A query to fetch messages from a backend. It provides information such as the topic identifier and the timestamp since when messages should be fetched.

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Method Summary

Modifier and Type	Method and Description
Instant	getSince() Gets the timestamp since when messages should be fetched.
MessageManager	getSource()
String	getTopicId() Gets the topic identifier.

Methods inherited from class java.util.EventObject

toString

Methods inherited from class java.lang.Object

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

Method Detail

getTopicId

public String getTopicId()

Gets the topic identifier.

Returns:

the topic identifier

getSince

public Instant getSince()

Gets the timestamp since when messages should be fetched.

Note: You must include the messages sent during or after this timestamp, including the messages sent at this exact time. More formally, you should return all such messages, for which the following condition is true:

 message.getTime() >= fetchQuery.getSince()
 

Returns:

the timestamp

getSource

public MessageManager getSource()

Overrides:

getSource in class EventObject