Examples of com.google.common.base.Stopwatch.elapsedTime()

com.google.common.base.Stopwatch.elapsedTime()
Returns the current elapsed time shown on this stopwatch, expressed in the desired time unit, with any fraction rounded down.
Note that the overhead of measurement can be more than a microsecond, so it is generally not useful to specify {@link TimeUnit#NANOSECONDS}precision here.


   protected ServiceStats trackAvailabilityOfProcessOnNode(Statement process, String processName, NodeMetadata node) {
      ServiceStats stats = new ServiceStats();
      Stopwatch watch = new Stopwatch().start();
      ExecResponse exec = client.runScriptOnNode(node.getId(), process, runAsRoot(false).wrapInInitScript(false));
      stats.backgroundProcessMilliseconds = watch.elapsedTime(TimeUnit.MILLISECONDS);
      watch.reset().start();
      
      HostAndPort socket = null;
      try {
         socket = openSocketFinder.findOpenSocketOnNode(node, 8080, 600, TimeUnit.SECONDS);

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         socket = openSocketFinder.findOpenSocketOnNode(node, 8080, 600, TimeUnit.SECONDS);
      } catch (NoSuchElementException e) {
         throw new NoSuchElementException(format("%s%n%s%s", e.getMessage(), exec.getOutput(), exec.getError()));
      }


      stats.socketOpenMilliseconds = watch.elapsedTime(TimeUnit.MILLISECONDS);


      getAnonymousLogger().info(format("<< %s on node(%s)[%s] %s", processName, node.getId(), socket, stats));
      return stats;
   }

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      ImmutableSet<String> tags = ImmutableSet. of(group);
      Stopwatch watch = new Stopwatch().start();
      NodeMetadata node = getOnlyElement(client.createNodesInGroup(group, 1,
            inboundPorts(22, 8080).blockOnPort(22, 300).userMetadata(userMetadata).tags(tags)));
      long createSeconds = watch.elapsedTime(TimeUnit.SECONDS);


      final String nodeId = node.getId();


      checkUserMetadataContains(node, userMetadata);
      checkTagsInNodeEquals(node, tags);

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      watch.reset().start();


      client.runScriptOnNode(nodeId, JettyStatements.install(), nameTask("configure-jetty"));


      long configureSeconds = watch.elapsedTime(TimeUnit.SECONDS);


      getAnonymousLogger().info(
            format(
                  "<< configured node(%s) with %s and jetty %s in %ss",
                  nodeId,

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                    ? new SuccessfulHealthCheckResult(endPoint.getId(), sw.stop().elapsedTime(TimeUnit.NANOSECONDS))
                    : new FailedHealthCheckResult(endPoint.getId(), sw.stop().elapsedTime(TimeUnit.NANOSECONDS));
        } catch (Exception e) {
            return new FailedHealthCheckResult(endPoint.getId(), sw.stop().elapsedTime(TimeUnit.NANOSECONDS), e);
        } finally {
            _healthCheckTime.update(sw.elapsedTime(TimeUnit.NANOSECONDS), TimeUnit.NANOSECONDS);
        }
    }


    @VisibleForTesting
    final class HealthCheck implements Runnable {

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      throw new ExecutionException(e);
    } catch (Error e) {
      throw new ExecutionError(e);
    } finally {
      if (!success) {
        globalStatsCounter.recordLoadException(stopwatch.elapsedTime(NANOSECONDS));
      }
    }


    if (result == null) {
      globalStatsCounter.recordLoadException(stopwatch.elapsedTime(NANOSECONDS));

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        globalStatsCounter.recordLoadException(stopwatch.elapsedTime(NANOSECONDS));
      }
    }


    if (result == null) {
      globalStatsCounter.recordLoadException(stopwatch.elapsedTime(NANOSECONDS));
      throw new InvalidCacheLoadException(loader + " returned null map from loadAll");
    }


    stopwatch.stop();
    // TODO(fry): batch by segment

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        put(key, value);
      }
    }


    if (nullsPresent) {
      globalStatsCounter.recordLoadException(stopwatch.elapsedTime(NANOSECONDS));
      throw new InvalidCacheLoadException(loader + " returned null keys or values from loadAll");
    }


    // TODO(fry): record count of loaded entries
    globalStatsCounter.recordLoadSuccess(stopwatch.elapsedTime(NANOSECONDS));

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      globalStatsCounter.recordLoadException(stopwatch.elapsedTime(NANOSECONDS));
      throw new InvalidCacheLoadException(loader + " returned null keys or values from loadAll");
    }


    // TODO(fry): record count of loaded entries
    globalStatsCounter.recordLoadSuccess(stopwatch.elapsedTime(NANOSECONDS));
    return result;
  }


  /**
   * Returns the internal entry for the specified key. The entry may be loading, expired, or

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    sw.stop();
    
    metrics.addSync(sw.elapsedTime(TimeUnit.MICROSECONDS));
    if (sw.elapsedTime(TimeUnit.MILLISECONDS) > WARN_SYNC_MILLIS_THRESHOLD) {
      LOG.warn("Sync of transaction range " + firstTxnId + "-" + lastTxnId +
               " took " + sw.elapsedTime(TimeUnit.MILLISECONDS) + "ms");
    }


    if (isLagging) {
      // This batch of edits has already been committed on a quorum of other
      // nodes. So, we are in "catch up" mode. This gets its own metric.

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