25 

    25 

    26 package jdk.jfr.api.consumer.streaming;

    26 package jdk.jfr.api.consumer.streaming;

    27 

    27 

    28 import java.time.Instant;

    28 import java.time.Instant;

    29 import java.util.concurrent.CountDownLatch;

    29 import java.util.concurrent.CountDownLatch;

    30 

    31 

    31 import jdk.jfr.Event;

    32 import jdk.jfr.Event;

    32 import jdk.jfr.Recording;

    33 import jdk.jfr.Recording;

    33 import jdk.jfr.consumer.EventStream;

    34 import jdk.jfr.consumer.EventStream;

    34 

    35 

    50     }

    51     }

    51 

    52 

    52     static class EndEvent extends Event {

    53     static class EndEvent extends Event {

    53     }

    54     }

    54 

    55 

    56 

    57 

    57     public static void main(String... args) throws Exception {

    58     public static void main(String... args) throws Exception {

    58 

    59 

    59         CountDownLatch gap = new CountDownLatch(1);

    60         CountDownLatch gap = new CountDownLatch(1);

    60         try (EventStream s = EventStream.openRepository()) {

    63         try (EventStream s = EventStream.openRepository()) {

    61             try (Recording r1 = new Recording()) {

    64             try (Recording r1 = new Recording()) {

    62                 s.setStartTime(Instant.EPOCH);

    65                 s.setStartTime(Instant.EPOCH);

    63                 s.onEvent(e -> {

    66                 s.onEvent(e -> {

    64                     System.out.println(e);

    67                     System.out.println(e);

    65                     try {

    69                     try {

    66                         gap.await();

    70                         gap.await();

    67                     } catch (InterruptedException e1) {

    71                     } catch (InterruptedException e1) {

    68                         e1.printStackTrace();

    72                         e1.printStackTrace();

    69                     }

    73                     }

    71                     if (e.getEventType().getName().equals(EndEvent.class.getName())) {

    75                     if (e.getEventType().getName().equals(EndEvent.class.getName())) {

    72                         s.close();

    76                         s.close();

    73                     }

    77                     }

    74                 });

    78                 });

    75                 s.startAsync();

    79                 s.startAsync();

    78                 r1.start();

    80                 r1.start();

    79                 StartEvent event1 = new StartEvent();

    81                 StartEvent event1 = new StartEvent();

    80                 event1.commit();

    82                 event1.commit();

    81                 r1.stop();

    84                 r1.stop();

    82 

    85 

    83                 // create chunk that is removed

    86                 // create chunk that is removed

    84                 try (Recording r2 = new Recording()) {

    87                 try (Recording r2 = new Recording()) {

    85                     r2.enable(TestGapEvent.class);

    88                     r2.enable(TestGapEvent.class);

    95                     EndEvent event3 = new EndEvent();

    98                     EndEvent event3 = new EndEvent();

    96                     event3.commit();

    99                     event3.commit();

    97                     r3.stop();

   100                     r3.stop();

    98 

   101 

    99                     s.awaitTermination();

   102                     s.awaitTermination();

   101                         throw new AssertionError("Expected 2 event, but got " + count);

   104                         throw new AssertionError("Expected 2 event, but got " + count);

   102                     }

   105                     }

   103                 }

   106                 }

   104             }

   107             }

   105         }

   108         }