Synchronous event triggering

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I want to trigger at the exact same time through message receipt, some processes into different Actors. Considering my Actors possible heavily stacked mailBoxes, what would be the best method to implement this?

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Quizzie On

I'm assuming you want the actors to read the messages at the same time. This, of course is not possible (while an actor is processing a message he cannot be disturbed).

But you can make sure that your trigger message is the next message they will take from the mailbox. This can be achieved by using a priority mailbox, for example this one: http://doc.akka.io/api/akka/snapshot/index.html#akka.dispatch.UnboundedStablePriorityMailbox

The messages in the mailbox will be sorted by priority. If you give your trigger messages the highest priority, they will be processed first.