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This commit is contained in:
Ignasi Marimon-Clos 2020-07-13 10:46:16 +02:00
parent f187abddd1
commit 6c12ae117a
3 changed files with 13 additions and 27 deletions
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16
akka-docs/src/test/java/jdocs/stream/operators/sourceorflow/Monitor.java
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@ -26,12 +26,12 @@ public class Monitor {
// #monitor
private static <T> void printMonitorState(FlowMonitorState.StreamState<T> state) {
if (FlowMonitorState.Finished$.class.isInstance(state)) {
if (state == FlowMonitorState.finished()) {
System.out.println("Stream is initialized but hasn't processed any element");
} else if (FlowMonitorState.Received.class.isInstance(state)) {
} else if (state instanceof FlowMonitorState.Received) {
FlowMonitorState.Received msg = (FlowMonitorState.Received) state;
System.out.println("Last message received: " + msg.msg());
} else if (FlowMonitorState.Failed.class.isInstance(state)) {
} else if (state instanceof FlowMonitorState.Failed) {
Throwable cause = ((FlowMonitorState.Failed) state).cause();
System.out.println("Stream failed with cause: " + cause.getMessage());
} else {
@ -60,14 +60,8 @@ public class Monitor {
// Periodically check the monitor
Source.tick(Duration.ofMillis(200), Duration.ofMillis(400), "")
.map(
__ -> {
printMonitorState(monitor.state());
return NotUsed.getInstance();
})
.to(Sink.ignore())
.run(actorSystem);
// #monitor
.runForeach(__ -> printMonitorState(monitor.state()), actorSystem);
// #monitor
run.second().toCompletableFuture().whenComplete((x, t) -> actorSystem.terminate());
}