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interface EventSender
EventSender
s encapsulates a remote event listener, a
handback, an event sequence number, and an event type (an event ID
and class of RemoteEvent
). EventSender
s
provide a method that attempts to deliver an event of the
encapsulated type with the encapsulated handback and sequence number
to the encapsulated listener.
Method Summary | |
---|---|
void |
cancelRegistration()
Called when the event sending infrastructure decides to give up on the event registration associated with this sender. |
boolean |
runAfter(EventSender other)
Return true if the passed EventSender
should run before this one, otherwise return false . |
void |
sendEvent(JavaSpace source,
long now,
ProxyPreparer preparer)
Send a remote event to the encapsulated listener of the encapsulated type, with the encapsulated handback, sequence number. |
Method Detail |
---|
void sendEvent(JavaSpace source, long now, ProxyPreparer preparer) throws UnknownEventException, ClassNotFoundException, IOException
source
- the source the event object
sent to the lister should have.now
- The current time.preparer
- to apply to the listener if it has
been recovered from a store and not yet re-prepared
in this VM.
IOException
- if the listener can not
be unmarshalled. May throw RemoteException
if the call to the listener or preparer does
ClassNotFoundException
- if the listener
needs to be unmarshalled and a necessary
class can not be found.
UnknownEventException
- if the
call to the listener does. Note, this
will not cause the watcher to remove itself.
SecurityException
- if the call to the listener does
or if the listener needs to be prepared and
the prepareProxy
call does.
RuntimeException
- if the call to the listener does.void cancelRegistration()
boolean runAfter(EventSender other)
true
if the passed EventSender
should run before this one, otherwise return false
.
other
- the sender this object should compare itself too.
true
if this object should run after
other
.
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