Java Code Examples for jdk.jfr.RecordingState#CLOSED

@Override
public void close() {
    RecordingState oldState;
    RecordingState newState;

    synchronized (recorder) {
        oldState = getState();
        if (RecordingState.CLOSED != getState()) {
            if (startTask != null) {
                startTask.cancel();
                startTask = null;
            }
            recorder.finish(this);
            for (RepositoryChunk c : chunks) {
                removed(c);
            }
            chunks.clear();
            setState(RecordingState.CLOSED);
            Logger.log(LogTag.JFR, LogLevel.INFO, "Closed recording \"" + getName() + "\" (" + getId() + ")");
        }
        newState = getState();
    }
    notifyIfStateChanged(newState, oldState);
}
 

private Notification createNotication(Recording recording) {
    try {
        Long id = recording.getId();
        Object oldValue = changes.get(recording.getId());
        Object newValue = getAttribute(ATTRIBUTE_RECORDINGS);
        if (recording.getState() != RecordingState.CLOSED) {
            changes.put(id, newValue);
        } else {
            changes.remove(id);
        }
        return new AttributeChangeNotification(getObjectName(), sequenceNumber.incrementAndGet(), System.currentTimeMillis(), "Recording " + recording.getName() + " is "
                + recording.getState(), ATTRIBUTE_RECORDINGS, newValue.getClass().getName(), oldValue, newValue);
    } catch (AttributeNotFoundException | MBeanException | ReflectionException e) {
        throw new RuntimeException("Could not create notifcation for FlightRecorderMXBean. " + e.getMessage(), e);
    }
}
 

private Notification createNotication(Recording recording) {
    try {
        Long id = recording.getId();
        Object oldValue = changes.get(recording.getId());
        Object newValue = getAttribute(ATTRIBUTE_RECORDINGS);
        if (recording.getState() != RecordingState.CLOSED) {
            changes.put(id, newValue);
        } else {
            changes.remove(id);
        }
        return new AttributeChangeNotification(getObjectName(), sequenceNumber.incrementAndGet(), System.currentTimeMillis(), "Recording " + recording.getName() + " is "
                + recording.getState(), ATTRIBUTE_RECORDINGS, newValue.getClass().getName(), oldValue, newValue);
    } catch (AttributeNotFoundException | MBeanException | ReflectionException e) {
        throw new RuntimeException("Could not create notifcation for FlightRecorderMXBean. " + e.getMessage(), e);
    }
}
 

@Override
public void close() {
    RecordingState oldState;
    RecordingState newState;

    synchronized (recorder) {
        oldState = getState();
        if (RecordingState.CLOSED != getState()) {
            if (startTask != null) {
                startTask.cancel();
                startTask = null;
            }
            recorder.finish(this);
            for (RepositoryChunk c : chunks) {
                removed(c);
            }
            chunks.clear();
            setState(RecordingState.CLOSED);
            Logger.log(LogTag.JFR, LogLevel.INFO, "Closed recording \"" + getName() + "\" (" + getId() + ")");
        }
        newState = getState();
    }
    notifyIfStateChanged(newState, oldState);
}
 

private Notification createNotication(Recording recording) {
    try {
        Long id = recording.getId();
        Object oldValue = changes.get(recording.getId());
        Object newValue = getAttribute(ATTRIBUTE_RECORDINGS);
        if (recording.getState() != RecordingState.CLOSED) {
            changes.put(id, newValue);
        } else {
            changes.remove(id);
        }
        return new AttributeChangeNotification(getObjectName(), sequenceNumber.incrementAndGet(), System.currentTimeMillis(), "Recording " + recording.getName() + " is "
                + recording.getState(), ATTRIBUTE_RECORDINGS, newValue.getClass().getName(), oldValue, newValue);
    } catch (AttributeNotFoundException | MBeanException | ReflectionException e) {
        throw new RuntimeException("Could not create notifcation for FlightRecorderMXBean. " + e.getMessage(), e);
    }
}
 

@Override
public void close() {
    RecordingState oldState;
    RecordingState newState;

    synchronized (recorder) {
        oldState = getState();
        if (RecordingState.CLOSED != getState()) {
            if (startTask != null) {
                startTask.cancel();
                startTask = null;
            }
            recorder.finish(this);
            for (RepositoryChunk c : chunks) {
                removed(c);
            }
            chunks.clear();
            setState(RecordingState.CLOSED);
            Logger.log(LogTag.JFR, LogLevel.INFO, "Closed recording \"" + getName() + "\" (" + getId()+ ")");
        }
        newState = getState();
    }
    notifyIfStateChanged(newState, oldState);
}
 

public static void main(String... args) throws Exception {
    Listener recordingListener = new Listener(RecordingState.RUNNING);
    FlightRecorder.addListener(recordingListener);

    Listener stoppedListener = new Listener(RecordingState.STOPPED);
    FlightRecorder.addListener(stoppedListener);

    Listener finishedListener = new Listener(RecordingState.CLOSED);
    FlightRecorder.addListener(finishedListener);

    Recording recording = new Recording();
    if (recording.getState() != RecordingState.NEW) {
        recording.close();
        throw new Exception("New recording should be in NEW state");
    }

    recording.start();
    recordingListener.waitFor();

    recording.stop();
    stoppedListener.waitFor();

    recording.close();
    finishedListener.waitFor();

    testDefaultrecordingStateChangedListener();

}
 

void updateTimer() {
    if (stopTask != null) {
        stopTask.cancel();
        stopTask = null;
    }
    if (getState() == RecordingState.CLOSED) {
        return;
    }
    if (duration != null) {
        stopTask = createStopTask();
        recorder.getTimer().schedule(stopTask, new Date(startTime.plus(duration).toEpochMilli()));
    }
}
 

public void setMaxAge(Duration maxAge) {
    synchronized (recorder) {
        if (getState() == RecordingState.CLOSED) {
            throw new IllegalStateException("Can't set max age when recording is closed");
        }
        this.maxAge = maxAge;
        if (maxAge != null) {
            trimToAge(Instant.now().minus(maxAge));
        }
    }
}
 

public void setMaxSize(long maxSize) {
    synchronized (recorder) {
        if (getState() == RecordingState.CLOSED) {
            throw new IllegalStateException("Can't set max age when recording is closed");
        }
        this.maxSize = maxSize;
        trimToSize();
    }
}
 

public static void main(String... args) throws Exception {
    Listener recordingListener = new Listener(RecordingState.RUNNING);
    FlightRecorder.addListener(recordingListener);

    Listener stoppedListener = new Listener(RecordingState.STOPPED);
    FlightRecorder.addListener(stoppedListener);

    Listener finishedListener = new Listener(RecordingState.CLOSED);
    FlightRecorder.addListener(finishedListener);

    Recording recording = new Recording();
    if (recording.getState() != RecordingState.NEW) {
        recording.close();
        throw new Exception("New recording should be in NEW state");
    }

    recording.start();
    recordingListener.waitFor();

    recording.stop();
    stoppedListener.waitFor();

    recording.close();
    finishedListener.waitFor();

    testDefaultrecordingStateChangedListener();

}
 

void updateTimer() {
    if (stopTask != null) {
        stopTask.cancel();
        stopTask = null;
    }
    if (getState() == RecordingState.CLOSED) {
        return;
    }
    if (duration != null) {
        stopTask = createStopTask();
        recorder.getTimer().schedule(stopTask, new Date(startTime.plus(duration).toEpochMilli()));
    }
}
 

public void setMaxAge(Duration maxAge) {
    synchronized (recorder) {
        if (getState() == RecordingState.CLOSED) {
            throw new IllegalStateException("Can't set max age when recording is closed");
        }
        this.maxAge = maxAge;
        if (maxAge != null) {
            trimToAge(Instant.now().minus(maxAge));
        }
    }
}
 

public void setMaxSize(long maxSize) {
    synchronized (recorder) {
        if (getState() == RecordingState.CLOSED) {
            throw new IllegalStateException("Can't set max age when recording is closed");
        }
        this.maxSize = maxSize;
        trimToSize();
    }
}
 

void updateTimer() {
    if (stopTask != null) {
        stopTask.cancel();
        stopTask = null;
    }
    if (getState() == RecordingState.CLOSED) {
        return;
    }
    if (duration != null) {
        stopTask = createStopTask();
        recorder.getTimer().schedule(stopTask, new Date(startTime.plus(duration).toEpochMilli()));
    }
}
 

public void setMaxAge(Duration maxAge) {
    synchronized (recorder) {
        if (getState() == RecordingState.CLOSED) {
            throw new IllegalStateException("Can't set max age when recording is closed");
        }
        this.maxAge = maxAge;
        if (maxAge != null) {
            trimToAge(Instant.now().minus(maxAge));
        }
    }
}
 

public void setMaxSize(long maxSize) {
    synchronized (recorder) {
        if (getState() == RecordingState.CLOSED) {
            throw new IllegalStateException("Can't set max age when recording is closed");
        }
        this.maxSize = maxSize;
        trimToSize();
    }
}
 

private void ensureNotClosed() {
    if (getState() == RecordingState.CLOSED) {
        throw new IllegalStateException("Can't change name on a closed recording");
    }
}
 

private void ensureNotClosed() {
    if (getState() == RecordingState.CLOSED) {
        throw new IllegalStateException("Can't change name on a closed recording");
    }
}
 

public void copyTo(WriteableUserPath path, String reason, Map<String, String> dumpSettings) throws IOException {
    synchronized (recorder) {
        RecordingState state = getState();
        if (state == RecordingState.CLOSED) {
            throw new IOException("Recording \"" + name + "\" (id=" + id + ") has been closed, no contents to write");
        }
        if (state == RecordingState.DELAYED || state == RecordingState.NEW) {
            throw new IOException("Recording \"" + name + "\" (id=" + id + ") has not started, no contents to write");
        }
        if (state == RecordingState.STOPPED) {
            // have all we need, just write it
            dumpToFile(path, reason, getId());
            return;
        }

        // Recording is RUNNING, create a clone
        try(Recording r = new Recording()) {
            PlatformRecording clone = PrivateAccess.getInstance().getPlatformRecording(r);
            clone.setShouldWriteActiveRecordingEvent(false);
            clone.setName(getName());
            clone.setDestination(path);
            clone.setToDisk(true);
            // We purposely don't clone settings, since
            // a union a == a
            if (!isToDisk()) {
                // force memory contents to disk
                clone.start();
            } else {
                // using existing chunks on disk
                for (RepositoryChunk c : chunks) {
                    clone.add(c);
                }
                clone.setState(RecordingState.RUNNING);
                clone.setStartTime(getStartTime());
            }
            if (dumpSettings.isEmpty()) {
                clone.setSettings(getSettings());
                clone.stop(reason); // dumps to destination path here
            } else {
                // Risk of violating lock order here, since
                // clone.stop() will take recorder lock inside
                // metadata lock, but OK if we already
                // have recorder lock when we entered metadata lock
                Thread.holdsLock(recorder);
                synchronized(MetadataRepository.getInstance()) {
                    Thread.holdsLock(recorder);
                    Map<String, String> oldSettings = getSettings();
                    Map<String, String> newSettings = new HashMap<>(oldSettings);
                    // replace with dump settings
                    newSettings.putAll(dumpSettings);
                    clone.setSettings(newSettings);
                    clone.stop(reason);
                }
            }
        }
        return;
    }
}