Java Code Examples for org.apache.brooklyn.util.time.Time#makeTimeStringRounded()

/**
 * Reconnects. If it already is connected, it disconnects first.
 *
 * @throws IOException
 */
public synchronized void reconnectWithRetryDampened() throws IOException {
    // If we've already tried reconnecting very recently, don't try again immediately
    if (failedReconnecting) {
        long timeSince = (System.currentTimeMillis() - failedReconnectingTime);
        if (timeSince < minTimeBetweenReconnectAttempts) {
            String msg = "Not reconnecting to JMX at "+url+" because attempt failed "+Time.makeTimeStringRounded(timeSince)+" ago";
            throw new IllegalStateException(msg);
        }
    }
    
    reconnect();
}
 

protected void doTestManyTimesAndAssertNoMemoryLeak(String testName, Runnable iterationBody) {
        int iterations = numIterations();
        Stopwatch timer = Stopwatch.createStarted();
        long last = timer.elapsed(TimeUnit.MILLISECONDS);
        
        long memUsedNearStart = -1;
        
        for (int i = 0; i < iterations; i++) {
            if (i % 100 == 0 || i<5) {
                long now = timer.elapsed(TimeUnit.MILLISECONDS);
                System.gc(); System.gc();
                String msg = testName+" iteration " + i + " at " + Time.makeTimeStringRounded(now) + " (delta "+Time.makeTimeStringRounded(now-last)+"), using "+
                    ((AbstractManagementContext)managementContext).getGarbageCollector().getUsageString()+
                    "; weak-refs app="+Iterables.size(weakApps.keySet())+" and locs="+Iterables.size(weakLocs.keySet());
                LOG.info(msg);
                if (i>=100 && memUsedNearStart<0) {
                    // set this the first time we've run 100 times (let that create a baseline with classes loaded etc)
                    memUsedNearStart = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
                }
                last = timer.elapsed(TimeUnit.MILLISECONDS);
            }
            iterationBody.run();
        }
        
        BrooklynStorage storage = ((ManagementContextInternal)managementContext).getStorage();
        Assert.assertTrue(storage.isMostlyEmpty(), "Not empty storage: "+storage);
        
        ConcurrentMap<Object, TaskScheduler> schedulers = ((BasicExecutionManager)managementContext.getExecutionManager()).getSchedulerByTag();
        // TODO would like to assert this
//        Assert.assertTrue( schedulers.isEmpty(), "Not empty schedulers: "+schedulers);
        // but weaker form for now
        Assert.assertTrue( schedulers.size() <= 3*iterations, "Not empty schedulers: "+schedulers.size()+" after "+iterations+", "+schedulers);
        
        // memory leak detection only applies to subclasses who run lots of iterations
        if (checkMemoryLeaks())
            assertNoMemoryLeak(memUsedNearStart, iterations);
    }
 

protected void waitForReachable(Callable<Boolean> checker, String hostAndPort, Iterable<LoginCredentials> credentialsToLog, ConfigBag setup, Duration timeout) {
    if (LOG.isDebugEnabled()) {
        List<String> credsToString = Lists.newArrayList();
        for (LoginCredentials creds : credentialsToLog) {
            String user = creds.getUser();
            String password;
            String key;
            if (Boolean.TRUE.equals(setup.get(LOG_CREDENTIALS))) {
                password = creds.getOptionalPassword().or("<absent>");
                key = creds.getOptionalPrivateKey().or("<absent>");
            } else {
                password = creds.getOptionalPassword().isPresent() ? "******" : "<absent>";
                key = creds.getOptionalPrivateKey().isPresent() ? "******" : "<absent>";
            }
            credsToString.add("user="+user+", password="+password+", key="+key);
        }

        LOG.debug("VM {}: reported online, now waiting {} for it to be contactable on {}; trying {} credential{}: {}",
                new Object[] {
                        getCreationString(setup), timeout,
                        hostAndPort,
                        Iterables.size(credentialsToLog),
                        Strings.s(Iterables.size(credentialsToLog)),
                        (credsToString.size() == 1) ? credsToString.get(0) : "(multiple!):" + Joiner.on("\n\t").join(credsToString)
                });
    }

    Stopwatch stopwatch = Stopwatch.createStarted();

    ReferenceWithError<Boolean> reachable = new Repeater("reachable repeater ")
            .backoff(Duration.ONE_SECOND, 2, Duration.TEN_SECONDS) // exponential backoff, to 10 seconds
            .until(checker)
            .limitTimeTo(timeout)
            .runKeepingError();

    if (!reachable.getWithoutError()) {
        throw new IllegalStateException("Connection failed for "
                +hostAndPort+" ("+getCreationString(setup)+") after waiting "
                +Time.makeTimeStringRounded(timeout), reachable.getError());
    }

    LOG.debug("VM {}: connection succeeded after {} on {}",new Object[] {
            getCreationString(setup), Time.makeTimeStringRounded(stopwatch),
            hostAndPort});
}
 

/** @deprecated use {@link Time#makeTimeStringRounded(long)} */
@Deprecated
public static String makeTimeString(long utcMillis) {
    return Time.makeTimeStringRounded(utcMillis);
}
 

private String getTimeStringSince(Long time) {
    return time == null ? null : Time.makeTimeStringRounded(System.currentTimeMillis() - time);
}
 

private String getTimeStringSince(Long time) {
    return time == null ? null : Time.makeTimeStringRounded(System.currentTimeMillis() - time);
}
 

private static String timestampString(Long remoteTimestamp) {
    if (remoteTimestamp==null) return null;
    return remoteTimestamp+" / "+Time.makeTimeStringRounded( Duration.sinceUtc(remoteTimestamp))+" ago";
}