Add EventStream::setEndTime(...) and a first stab at priviliged access to local repository
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package jdk.jfr.api.consumer.streaming;
import java.util.concurrent.CountDownLatch;
import jdk.jfr.Event;
import jdk.jfr.Name;
import jdk.jfr.Recording;
import jdk.jfr.consumer.EventStream;
import jdk.jfr.consumer.RecordingStream;
/**
* @test
* @summary Verifies that a stream from a repository starts at the latest event
* @key jfr
* @requires vm.hasJFR
* @library /test/lib
* @run main/othervm jdk.jfr.api.consumer.streaming.TestLatestEvent
*/
public class TestLatestEvent {
@Name("Chunk")
static class ChunkEvent extends Event {
boolean end;
}
public static void main(String... args) throws Exception {
try (RecordingStream r = new RecordingStream()) {
r.startAsync();
// Create chunks with events in the repository
for (int i = 0; i < 5; i++) {
try (Recording r1 = new Recording()) {
r1.start();
ChunkEvent e = new ChunkEvent();
e.end = false;
e.commit();
r1.stop();
}
}
CountDownLatch endEventRecevied = new CountDownLatch(1);
CountDownLatch emitEvent = new CountDownLatch(1);
try (EventStream s = EventStream.openRepository()) {
s.onEvent("Chunk", e -> {
if (e.getBoolean("end")) {
endEventRecevied.countDown();
return;
}
System.out.println("Stream should start at latest event:");
System.out.println(e);
});
ChunkEvent e1 = new ChunkEvent();
e1.end = false;
e1.commit();
s.startAsync();
s.onFlush(() -> {
emitEvent.countDown();
});
emitEvent.await();
ChunkEvent e2 = new ChunkEvent();
e2.end = true;
e2.commit();
endEventRecevied.await();
}
}
}
}