Package java.util.concurrent

Examples of java.util.concurrent.ScheduledThreadPoolExecutor

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     * This default spawns up to 32 background thread on an as need basis. Idle
     * threads are pruned after one minute.
     * @return  fresh ScheduledExecutorService
     */
    public static ScheduledExecutorService defaultScheduledExecutor() {
        ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(32, new ThreadFactory() {
            private final AtomicInteger counter = new AtomicInteger();

            @Override
            public Thread newThread(Runnable r) {
                Thread thread = new Thread(r, createName());
                thread.setDaemon(true);
                return thread;
            }

            private String createName() {
                return "oak-scheduled-executor-" + counter.getAndIncrement();
            }
        });
        executor.setKeepAliveTime(1, TimeUnit.MINUTES);
        executor.allowCoreThreadTimeOut(true);
        return executor;
    }
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    private final Method timeoutHandler;

    @SuppressWarnings("unchecked")
    public MonitoredUDFExecutor(EvalFunc udf) {
        // is 10 enough? This is pretty arbitrary.
        exec = MoreExecutors.getExitingExecutorService(new ScheduledThreadPoolExecutor(10));
        this.evalFunc = udf;
        MonitoredUDF anno = udf.getClass().getAnnotation(MonitoredUDF.class);
        timeUnit = anno.timeUnit();
        duration = anno.duration();
        errorCallback = anno.errorCallback();
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    /**
     * A factory method to create a default thread pool and executor
     */
    protected ScheduledExecutorService createExecutorService() {
        return new ScheduledThreadPoolExecutor(defaultThreadPoolSize, new ThreadFactory() {
            int counter;

            public synchronized Thread newThread(Runnable runnable) {
                Thread thread = new Thread(runnable);
                thread.setName("Thread: " + (++counter) + " " + DefaultComponent.this.toString());
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        }
        return null;
    }

    protected ScheduledThreadPoolExecutor createExecutorService() {
        return new ScheduledThreadPoolExecutor(10);
    }
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     * This default spawns up to 32 background thread on an as need basis. Idle
     * threads are pruned after one minute.
     * @return  fresh ScheduledExecutorService
     */
    public static ScheduledExecutorService defaultScheduledExecutor() {
        ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(32, new ThreadFactory() {
            private final AtomicInteger counter = new AtomicInteger();

            @Override
            public Thread newThread(Runnable r) {
                Thread thread = new Thread(r, createName());
                thread.setDaemon(true);
                return thread;
            }

            private String createName() {
                return "oak-scheduled-executor-" + counter.getAndIncrement();
            }
        });
        executor.setKeepAliveTime(1, TimeUnit.MINUTES);
        executor.allowCoreThreadTimeOut(true);
        return executor;
    }
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            return srcPaths;
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
            return srcPaths;
        }
        ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(ManagementFactory.getOperatingSystemMXBean().getAvailableProcessors());
        try {
            File instrumenterFile = new File(instrumenterFileName);
            instrumenterFile.delete();
            instrumenter.open(instrumenterFile, true);
            List<Future<File>> futures = new ArrayList<Future<File>>();
            for (File file: srcPaths) {
                String path = file.getPath();
                if (path.matches(".*/ofbiz[^/]*\\.(jar|zip)")) {
                    futures.add(executor.submit(new FileInstrumenter(instrumenter, file)));
                } else {
                    futures.add(new ConstantFutureFile(file));
                }
            }
            List<File> result = new ArrayList<File>(futures.size());
            for (Future<File> future: futures) {
                result.add(future.get());
            }
            instrumenter.close();
            return result;
        } catch (ExecutionException e) {
            e.printStackTrace();
            return srcPaths;
        } catch (InterruptedException e) {
            e.printStackTrace();
            return srcPaths;
        } catch (IOException e) {
            e.printStackTrace();
            return srcPaths;
        } finally {
            executor.shutdown();
        }
    }
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      // Mess it up by leaving a hole in the assignment, meta, and hdfs data
      TEST_UTIL.getHBaseAdmin().disableTable(table);

      String[] args = {"-sidelineCorruptHFiles", "-repairHoles", "-ignorePreCheckPermission",
          table.getNameAsString()};
      ExecutorService exec = new ScheduledThreadPoolExecutor(10);
      HBaseFsck res = hbck.exec(exec, args);

      HFileCorruptionChecker hfcc = res.getHFilecorruptionChecker();
      assertEquals(hfcc.getHFilesChecked(), check);
      assertEquals(hfcc.getCorrupted().size(), corrupt);
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  // Disabled because fails sporadically.  Is this test right?  Timing-wise, there could be no
  // files in a column family on initial creation -- as suggested by Matteo.
  @Ignore @Test(timeout=120000)
  public void testQuarantineMissingFamdir() throws Exception {
    TableName table = TableName.valueOf(name.getMethodName());
    ExecutorService exec = new ScheduledThreadPoolExecutor(10);
    // inject a fault in the hfcc created.
    final FileSystem fs = FileSystem.get(conf);
    HBaseFsck hbck = new HBaseFsck(conf, exec) {
      @Override
      public HFileCorruptionChecker createHFileCorruptionChecker(boolean sidelineCorruptHFiles) throws IOException {
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   * has removed a region dir before the corruption checker got to it.
   */
  @Test(timeout=120000)
  public void testQuarantineMissingRegionDir() throws Exception {
    TableName table = TableName.valueOf(name.getMethodName());
    ExecutorService exec = new ScheduledThreadPoolExecutor(10);
    // inject a fault in the hfcc created.
    final FileSystem fs = FileSystem.get(conf);
    HBaseFsck hbck = new HBaseFsck(conf, exec) {
      @Override
      public HFileCorruptionChecker createHFileCorruptionChecker(boolean sidelineCorruptHFiles) throws IOException {
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     * @throws RepositoryException if there is already another repository
     *                             instance running on the given configuration
     *                             or another error occurs.
     */
    protected RepositoryImpl(RepositoryConfig repConfig) throws RepositoryException {
        ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(
                Runtime.getRuntime().availableProcessors() * 2,
                new ThreadPoolExecutor.CallerRunsPolicy());
        this.executor = executor;

        // Acquire a lock on the repository home
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