Hi,
I am trying to set up a unidirectional websocket connection using the Java
DSL to create a server-push mechanism.
I am currently struggling with converting the Source to a proper Graph that
UpgradeToWebSocket.handleMessagesWith() can accept.
Here is what I have so far:
public Route createRoute() {
return route (
headerValueByType(UpgradeToWebSocket.class, (upgradeToWebSocket) ->
extractActorSystem(actorSystem -> {
Source<Message, ActorRef> pubSource =
Source.actorPublisher(MyActorPublisher.props());
Graph<SourceShape<Message>, ?> wsSource = ??;
...
return upgradeToWebSocket.handleMessagesWith(null, wsSource);
// This doesn't return a proper route
})
),
reject()
);
}
I tried using GraphDSL.create() but that created an incompatible
SourceShape. Any help is appreciated.
Thanks!
Jean-Philippe Steinmetz
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