List of usage examples for java.lang ThreadGroup getName
public final String getName()
From source file:org.mule.service.scheduler.internal.executor.ByCallerThreadGroupPolicy.java
@Override public void rejectedExecution(Runnable r, ThreadPoolExecutor executor) { ThreadGroup targetGroup = ((SchedulerThreadFactory) executor.getThreadFactory()).getGroup(); ThreadGroup currentThreadGroup = currentThread().getThreadGroup(); ++rejectedCount;/*w w w . j a va2 s.c o m*/ if ((isRunCpuLightWhenTargetBusyThread(currentThreadGroup) && targetGroup == couLightGroup) || (isWaitGroupThread(targetGroup) && targetGroup == currentThreadGroup)) { if (isLogRejectionEnabled()) { logRejection(r.toString(), callerRuns.getClass().getSimpleName(), targetGroup.getName()); } callerRuns.rejectedExecution(r, executor); } else if (!isSchedulerThread(currentThreadGroup) || isWaitGroupThread(currentThreadGroup)) { if (isLogRejectionEnabled()) { logRejection(r.toString(), wait.getClass().getSimpleName(), targetGroup.getName()); } // MULE-11460 Make CPU-intensive pool a ForkJoinPool - keep the parallelism when waiting. wait.rejectedExecution(r, executor); } else { if (isLogRejectionEnabled()) { logRejection(r.toString(), abort.getClass().getSimpleName(), targetGroup.getName()); } abort.rejectedExecution(r, executor); } }
From source file:com.icbc.Scheduler.ThreadManager.SchedulerThreadPool.java
public void initialize() { runnableQueue = new SchedulerThreadQueue(ThreadQueueSize); if (count <= 0) { System.err.println("Thread count must be > 0"); }//from w ww . j a v a2 s .c om if (prio <= 0 || prio > 9) { System.err.println("Thread priority must be > 0 and <= 9"); } if (isThreadsInheritGroupOfInitializingThread()) { threadGroup = Thread.currentThread().getThreadGroup(); } else { // follow the threadGroup tree to the root thread group. threadGroup = Thread.currentThread().getThreadGroup(); ThreadGroup parent = threadGroup; while (!parent.getName().equals("main")) { threadGroup = parent; parent = threadGroup.getParent(); } threadGroup = new ThreadGroup(parent, "SchedulerThreadPool"); } if (isThreadsInheritContextClassLoaderOfInitializingThread()) { getLog().info( "Job execution threads will use class loader of thread: " + Thread.currentThread().getName()); } // create the worker threads and start them workers = createWorkerThreads(count); for (int i = 0; i < count; ++i) { if (isThreadsInheritContextClassLoaderOfInitializingThread()) { workers[i].setContextClassLoader(Thread.currentThread().getContextClassLoader()); } } LogProvider.outLog("INFO", threadPoolName + " initialize successfully!", GlobalDefine.LOG_LOGGER_DYNAMIC_FILE, "WorkerThread_run"); }
From source file:org.sakaiproject.status.StatusServlet.java
protected void printThreadGroupDetails(ThreadGroup g, String indent, HttpServletResponse response) throws Exception { PrintWriter pw = response.getWriter(); ThreadGroup parent = g.getParent(); String parentName = ""; if (parent != null) { parentName = parent.getName(); }//w w w .j a va 2s .com int threadCount = g.activeCount(); int groupCount = g.activeGroupCount(); pw.print(indent + g.getName() + "," + parentName + "," + threadCount + "," + groupCount + "\n"); if (groupCount > 0) { ThreadGroup[] children = new ThreadGroup[groupCount]; g.enumerate(children, false); for (ThreadGroup child : children) { if (child != null) { printThreadGroupDetails(child, indent + " ", response); } } } }
From source file:com.ibm.jaggr.service.impl.deps.DepTree.java
/** * Object constructor. Attempts to de-serialize the cached dependency lists * from disk and then validates the dependency lists based on last-modified * dates, looking for any new or removed files. If the cached dependency * list data cannot be de-serialized, new lists are constructed. Once the * dependency lists have been validated, the list data is serialized back * out to disk.//w ww. j av a 2 s. c o m * * @param paths * Collection of URIs which specify the target resources * to be scanned for javascript files. * @param aggregator * The servlet instance for this object * @param stamp * timestamp associated with external override/customization * resources that are check on every server restart * @param clean * If true, then the dependency lists are generated from scratch * rather than by de-serializing and then validating the cached * dependency lists. * @param validateDeps * If true, then validate existing cached dependencies using * file last-modified times. * @throws IOException */ public DepTree(Collection<URI> paths, IAggregator aggregator, long stamp, boolean clean, boolean validateDeps) throws IOException { this.stamp = stamp; IConfig config = aggregator.getConfig(); rawConfig = config.toString(); File cacheDir = new File(aggregator.getWorkingDirectory(), DEPCACHE_DIRNAME); File cacheFile = new File(cacheDir, CACHE_FILE); /* * The de-serialized dependency map. If we have a cached dependency map, * then it will be validated against the last-modified dates of the * current files and only the files that have changed will need to be * re-parsed to update the dependency lists. */ DepTree cached = null; if (!clean) { // If we're not starting clean, try to de-serialize the map from // cache try { ObjectInputStream is = new ObjectInputStream(new FileInputStream(cacheFile)); try { cached = (DepTree) is.readObject(); } finally { try { is.close(); } catch (Exception ignore) { } } } catch (FileNotFoundException e) { /* * Not an error. Just means that the cache file hasn't been * written yet or else it's been deleted. */ if (log.isLoggable(Level.INFO)) log.log(Level.INFO, Messages.DepTree_1); } catch (Exception e) { if (log.isLoggable(Level.SEVERE)) log.log(Level.SEVERE, e.getMessage(), e); } } // If the cacheBust config param has changed, then do a clean build // of the dependencies. if (cached != null) { if (stamp == 0) { // no init stamp provided. Preserve the cached one. stamp = cached.stamp; } if (stamp > cached.stamp) { // init stamp has been updated. Validate dependencies. validateDeps = true; } cacheBust = aggregator.getOptions().getCacheBust(); if (!StringUtils.equals(cacheBust, cached.cacheBust)) { if (log.isLoggable(Level.INFO)) { log.info(Messages.DepTree_2); } cached = null; } } /* * If we de-serialized a previously saved dependency map, then go with * that. */ if (cached != null && rawConfig.equals(cached.rawConfig) && !validateDeps && !clean) { depMap = cached.depMap; return; } // Initialize the dependency map depMap = new ConcurrentHashMap<URI, DepTreeNode>(); // This can take a while, so print something to the console String msg = MessageFormat.format(Messages.DepTree_3, new Object[] { aggregator.getName() }); ConsoleService cs = new ConsoleService(); cs.println(msg); if (log.isLoggable(Level.INFO)) { log.info(msg); } // Make sure that all the paths are unique and orthogonal paths = DepUtils.removeRedundantPaths(paths); /* * Create the thread pools, one for the tree builders and one for the * parsers. Since a tree builder thread will wait for all the outstanding * parser threads started by that builder to complete, we need to use two * independent thread pools to guard against the possibility of deadlock * caused by all the threads in the pool being consumed by tree builders * and leaving none available to service the parsers. */ final ThreadGroup treeBuilderTG = new ThreadGroup(TREEBUILDER_TGNAME), parserTG = new ThreadGroup(JSPARSER_TGNAME); ExecutorService treeBuilderExc = Executors.newFixedThreadPool(10, new ThreadFactory() { public Thread newThread(Runnable r) { return new Thread(treeBuilderTG, r, MessageFormat.format(THREADNAME, new Object[] { treeBuilderTG.getName(), treeBuilderTG.activeCount() })); } }), parserExc = Executors.newFixedThreadPool(20, new ThreadFactory() { public Thread newThread(Runnable r) { return new Thread(parserTG, r, MessageFormat.format(THREADNAME, new Object[] { parserTG.getName(), parserTG.activeCount() })); } }); // Counter to keep track of number of tree builder threads started AtomicInteger treeBuilderCount = new AtomicInteger(0); // The completion services for the thread pools final CompletionService<URI> parserCs = new ExecutorCompletionService<URI>(parserExc); CompletionService<DepTreeBuilder.Result> treeBuilderCs = new ExecutorCompletionService<DepTreeBuilder.Result>( treeBuilderExc); // Start the tree builder threads to process the paths for (final URI path : paths) { /* * Create or get from cache the root node for this path and * add it to the new map. */ DepTreeNode root = new DepTreeNode(PathUtil.getModuleName(path)); DepTreeNode cachedNode = null; if (cached != null) { cachedNode = cached.depMap.get(path); if (log.isLoggable(Level.INFO)) { log.info(MessageFormat.format(Messages.DepTree_4, new Object[] { path })); } } else { if (log.isLoggable(Level.INFO)) { log.info(MessageFormat.format(Messages.DepTree_5, new Object[] { path })); } } depMap.put(path, root); treeBuilderCount.incrementAndGet(); treeBuilderCs.submit(new DepTreeBuilder(aggregator, parserCs, path, root, cachedNode)); } // List of parser exceptions LinkedList<Exception> parserExceptions = new LinkedList<Exception>(); /* * Pull the completed tree builder tasks from the completion queue until * all the paths have been processed */ while (treeBuilderCount.decrementAndGet() >= 0) { try { DepTreeBuilder.Result result = treeBuilderCs.take().get(); if (log.isLoggable(Level.INFO)) { log.info(MessageFormat.format(Messages.DepTree_6, new Object[] { result.parseCount, result.dirName })); } } catch (Exception e) { if (log.isLoggable(Level.SEVERE)) log.log(Level.SEVERE, e.getMessage(), e); parserExceptions.add(e); } } // shutdown the thread pools now that we're done with them parserExc.shutdown(); treeBuilderExc.shutdown(); // If parser exceptions occurred, then rethrow the first one if (parserExceptions.size() > 0) { throw new RuntimeException(parserExceptions.get(0)); } // Prune dead nodes (nodes with no children or dependency lists) for (Map.Entry<URI, DepTreeNode> entry : depMap.entrySet()) { entry.getValue().prune(); } /* * Make sure the cache directory exists before we try to serialize the * dependency map. */ if (!cacheDir.exists()) if (!cacheDir.mkdirs()) { throw new IOException( MessageFormat.format(Messages.DepTree_0, new Object[] { cacheDir.getAbsolutePath() })); } // Serialize the map to the cache directory ObjectOutputStream os; os = new ObjectOutputStream(new FileOutputStream(cacheFile)); try { os.writeObject(this); } finally { try { os.close(); } catch (Exception ignore) { } } msg = MessageFormat.format(Messages.DepTree_7, new Object[] { aggregator.getName() }); // Output that we're done. cs.println(msg); if (log.isLoggable(Level.INFO)) { log.info(msg); } }
From source file:com.ibm.jaggr.core.impl.deps.DepTree.java
/** * Object constructor. Attempts to de-serialize the cached dependency lists * from disk and then validates the dependency lists based on last-modified * dates, looking for any new or removed files. If the cached dependency * list data cannot be de-serialized, new lists are constructed. Once the * dependency lists have been validated, the list data is serialized back * out to disk./*from ww w . j a v a 2 s.co m*/ * * @param paths * Collection of URIs which specify the target resources * to be scanned for javascript files. * @param aggregator * The servlet instance for this object * @param stamp * timestamp associated with external override/customization * resources that are check on every server restart * @param clean * If true, then the dependency lists are generated from scratch * rather than by de-serializing and then validating the cached * dependency lists. * @param validateDeps * If true, then validate existing cached dependencies using * file last-modified times. * @throws IOException */ public DepTree(Collection<URI> paths, IAggregator aggregator, long stamp, boolean clean, boolean validateDeps) throws IOException { final String sourceMethod = "<ctor>"; //$NON-NLS-1$ boolean isTraceLogging = log.isLoggable(Level.FINER); if (isTraceLogging) { log.entering(DepTree.class.getName(), sourceMethod, new Object[] { paths, aggregator, stamp, clean, validateDeps }); } this.stamp = stamp; IConfig config = aggregator.getConfig(); rawConfig = config.toString(); cacheBust = AggregatorUtil.getCacheBust(aggregator); File cacheDir = new File(aggregator.getWorkingDirectory(), DEPCACHE_DIRNAME); File cacheFile = new File(cacheDir, CACHE_FILE); /* * The de-serialized dependency map. If we have a cached dependency map, * then it will be validated against the last-modified dates of the * current files and only the files that have changed will need to be * re-parsed to update the dependency lists. */ DepTree cached = null; if (!clean) { // If we're not starting clean, try to de-serialize the map from // cache try { ObjectInputStream is = new ObjectInputStream(new FileInputStream(cacheFile)); try { if (isTraceLogging) { log.finer("Attempting to read cached dependencies from " + cacheFile.toString()); //$NON-NLS-1$ } cached = (DepTree) is.readObject(); } finally { try { is.close(); } catch (Exception ignore) { } } } catch (FileNotFoundException e) { /* * Not an error. Just means that the cache file hasn't been * written yet or else it's been deleted. */ if (log.isLoggable(Level.INFO)) log.log(Level.INFO, Messages.DepTree_1); } catch (Exception e) { if (log.isLoggable(Level.SEVERE)) log.log(Level.SEVERE, e.getMessage(), e); } } // If the cacheBust config param has changed, then do a clean build // of the dependencies. if (cached != null) { if (stamp == 0) { // no init stamp provided. Preserve the cached one. stamp = cached.stamp; } if (stamp > cached.stamp) { // init stamp has been updated. Validate dependencies. validateDeps = true; } if (!StringUtils.equals(cacheBust, cached.cacheBust)) { if (isTraceLogging) { log.finer("Current cacheBust = " + cacheBust + ", cached cacheBust = " + cached.cacheBust); //$NON-NLS-1$//$NON-NLS-2$ } if (log.isLoggable(Level.INFO)) { log.info(Messages.DepTree_2); } cached = null; } if (cached != null && !StringUtils.equals(rawConfig, cached.rawConfig)) { if (isTraceLogging) { log.finer("Current config = " + rawConfig); //$NON-NLS-1$ log.finer("Cached config = " + cached.rawConfig); //$NON-NLS-1$ } validateDeps = true; } } /* * If we de-serialized a previously saved dependency map, then go with * that. */ if (cached != null && !validateDeps && !clean) { depMap = cached.depMap; fromCache = true; return; } else if (isTraceLogging) { log.finer("Building/validating deps: cached = " + cached + ", validateDeps = " + validateDeps //$NON-NLS-1$//$NON-NLS-2$ + ", clean = " + clean); //$NON-NLS-1$ } // Initialize the dependency map depMap = new ConcurrentHashMap<URI, DepTreeNode>(); // This can take a while, so print something to the console String msg = MessageFormat.format(Messages.DepTree_3, new Object[] { aggregator.getName() }); ConsoleService cs = new ConsoleService(); cs.println(msg); if (log.isLoggable(Level.INFO)) { log.info(msg); } // Make sure that all the paths are unique and orthogonal paths = DepUtils.removeRedundantPaths(paths); /* * Create the thread pools, one for the tree builders and one for the * parsers. Since a tree builder thread will wait for all the outstanding * parser threads started by that builder to complete, we need to use two * independent thread pools to guard against the possibility of deadlock * caused by all the threads in the pool being consumed by tree builders * and leaving none available to service the parsers. */ final ThreadGroup treeBuilderTG = new ThreadGroup(TREEBUILDER_TGNAME), parserTG = new ThreadGroup(JSPARSER_TGNAME); ExecutorService treeBuilderExc = Executors.newFixedThreadPool(10, new ThreadFactory() { public Thread newThread(Runnable r) { return new Thread(treeBuilderTG, r, MessageFormat.format(THREADNAME, new Object[] { treeBuilderTG.getName(), treeBuilderTG.activeCount() })); } }), parserExc = Executors.newFixedThreadPool(20, new ThreadFactory() { public Thread newThread(Runnable r) { return new Thread(parserTG, r, MessageFormat.format(THREADNAME, new Object[] { parserTG.getName(), parserTG.activeCount() })); } }); // Counter to keep track of number of tree builder threads started AtomicInteger treeBuilderCount = new AtomicInteger(0); // The completion services for the thread pools final CompletionService<URI> parserCs = new ExecutorCompletionService<URI>(parserExc); CompletionService<DepTreeBuilder.Result> treeBuilderCs = new ExecutorCompletionService<DepTreeBuilder.Result>( treeBuilderExc); Set<String> nonJSExtensions = Collections.unmodifiableSet(getNonJSExtensions(aggregator)); // Start the tree builder threads to process the paths for (final URI path : paths) { /* * Create or get from cache the root node for this path and * add it to the new map. */ DepTreeNode root = new DepTreeNode("", path); //$NON-NLS-1$ DepTreeNode cachedNode = null; if (cached != null) { cachedNode = cached.depMap.get(path); if (log.isLoggable(Level.INFO)) { log.info(MessageFormat.format(Messages.DepTree_4, new Object[] { path })); } } else { if (log.isLoggable(Level.INFO)) { log.info(MessageFormat.format(Messages.DepTree_5, new Object[] { path })); } } depMap.put(path, root); treeBuilderCount.incrementAndGet(); treeBuilderCs.submit(new DepTreeBuilder(aggregator, parserCs, path, root, cachedNode, nonJSExtensions)); } // List of parser exceptions LinkedList<Exception> parserExceptions = new LinkedList<Exception>(); /* * Pull the completed tree builder tasks from the completion queue until * all the paths have been processed */ while (treeBuilderCount.decrementAndGet() >= 0) { try { DepTreeBuilder.Result result = treeBuilderCs.take().get(); if (log.isLoggable(Level.INFO)) { log.info(MessageFormat.format(Messages.DepTree_6, new Object[] { result.parseCount, result.dirName })); } } catch (Exception e) { if (log.isLoggable(Level.SEVERE)) log.log(Level.SEVERE, e.getMessage(), e); parserExceptions.add(e); } } // shutdown the thread pools now that we're done with them parserExc.shutdown(); treeBuilderExc.shutdown(); // If parser exceptions occurred, then rethrow the first one if (parserExceptions.size() > 0) { throw new RuntimeException(parserExceptions.get(0)); } // Prune dead nodes (folder nodes with no children) for (Map.Entry<URI, DepTreeNode> entry : depMap.entrySet()) { entry.getValue().prune(); } /* * Make sure the cache directory exists before we try to serialize the * dependency map. */ if (!cacheDir.exists()) if (!cacheDir.mkdirs()) { throw new IOException( MessageFormat.format(Messages.DepTree_0, new Object[] { cacheDir.getAbsolutePath() })); } // Serialize the map to the cache directory ObjectOutputStream os; os = new ObjectOutputStream(new FileOutputStream(cacheFile)); try { if (isTraceLogging) { log.finer("Writing cached dependencies to " + cacheFile.toString()); //$NON-NLS-1$ } os.writeObject(this); } finally { try { os.close(); } catch (Exception ignore) { } } msg = MessageFormat.format(Messages.DepTree_7, new Object[] { aggregator.getName() }); // Output that we're done. cs.println(msg); if (log.isLoggable(Level.INFO)) { log.info(msg); } if (isTraceLogging) { log.exiting(DepTree.class.getName(), sourceMethod); } }
From source file:com.spotify.helios.system.SystemTestBase.java
private void listThreads() { final Set<Thread> threads = Thread.getAllStackTraces().keySet(); final Map<String, Thread> sorted = Maps.newTreeMap(); for (final Thread t : threads) { final ThreadGroup tg = t.getThreadGroup(); if (t.isAlive() && (tg == null || !tg.getName().equals("system"))) { sorted.put(t.getName(), t);//from ww w . j a v a 2 s .co m } } log.info("= THREADS " + Strings.repeat("=", 70)); for (final Thread t : sorted.values()) { final ThreadGroup tg = t.getThreadGroup(); log.info("{}: \"{}\" ({}{})", t.getId(), t.getName(), (tg == null ? "" : tg.getName() + " "), (t.isDaemon() ? "daemon" : "")); } log.info(Strings.repeat("=", 80)); }