Hi,
I have the following method which creates a FixInitiator which is part of
another multi-threaded framework I have no control, the client is started
inside an actor which its children are named and located by a generated
UUID.
I have read that passing the context to another thread is not safe but when
you look at the Scala code, the context is lazily initialized, if it was
initialized already, doesn't that make this code OK?
The method fromApp(...) is re-actively called back from another thread when
a FIX message comes into the system, so far this is working for me without
any issues, but maybe it is because I have called context() already for
this actor before I reach the anonymous class declaration at the preStart()
method?
*Note:* The call to super.preStart() is because the actor is inheriting
from another Abstract type of actor with some template methods pattern.
@Override
public void preStart() throws Exception {
initiator = new FixInitiator(entity, log, "order") {
@Override
public void fromApp(Message message, SessionID sessionId) throws
FieldNotFound {
if (message instanceof ExecutionReport) {
final String uuid = message.getString(ClOrdID.FIELD);
final Option<ActorRef> orderPersistor = *context**()*.child(uuid);
if (orderPersistor.isDefined()) {
orderPersistor.get().tell(message, noSender());
} else {
log.error("Order persistor for " + uuid + " doesn't exist or
has expired");
}
} else {
unhandled(message);
}
}
};
initiator.start();
super.preStart();
}
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