Examples of java.util.concurrent.FutureTask$Sync

java.util.concurrent.FutureTask
Synchronization control for FutureTask. Note that this must be a non-static inner class in order to invoke the protected done method. For clarity, all inner class support methods are same as outer, prefixed with "inner". Uses AQS sync state to represent run status

    Process p = null;
    try
    {
      p = Runtime.getRuntime().exec(cmd);
      final Process fp = p;
      FutureTask<String> future = new FutureTask(new Callable()
      {


        public String call() throws Exception
        {
          StringBuffer result = new StringBuffer();
          InputStream in = fp.getInputStream();
          int x;
          while ((x = in.read()) != -1)
            result.append((char) x);


          return result.toString();
        }
      });
      executor.execute(future);
      String result = future.get(timeout, TimeUnit.MILLISECONDS);
      return result;


    }
    catch (Exception e)
    {

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        return response;
    }




    public FutureTask<SResponse> asyncHttp(final Url url, final String jsonData, final RestRequest.Method method) {
        FutureTask<SResponse> getRemoteDataTask = new FutureTask(new Callable<SResponse>() {
            @Override
            public SResponse call() throws Exception {
                return http(url, jsonData, method);
            }
        });

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                public void run()
                {
                    MemtableManager.instance().submit(cfName_, Memtable.this, cLogCtx);
                }
            };
            flushQueuer = new FutureTask(runnable, null);
        }

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            warn(bundle, "Error while creating extension", t);
        }
    }


    private void destroyExtension(final Bundle bundle) {
        FutureTask future;
        synchronized (extensions) {
            debug(bundle, "Starting destruction process");
            future = destroying.get(bundle);
            if (future == null) {
                final Extension extension = extensions.remove(bundle);
                if (extension != null) {
                    debug(bundle, "Scheduling extension destruction");
                    future = new FutureTask<Void>(new Runnable() {
                        public void run() {
                            debug(bundle, "Destroying extension");
                            try {
                                extension.destroy();
                            } catch (Exception e) {
                                warn(bundle, "Error while destroying extension", e);
                            } finally {
                                debug(bundle, "Finished destroying extension");
                                synchronized (extensions) {
                                    destroying.remove(bundle);
                                }
                            }
                        }
                    }, null);
                    destroying.put(bundle, future);
                } else {
                    debug(bundle, "Not an extended bundle or destruction of extension already finished");
                }
            } else {
                debug(bundle, "Destruction already scheduled");
            }
        }
        if (future != null) {
            try {
                debug(bundle, "Waiting for extension destruction");
                future.run();
                future.get();
            } catch (Throwable t) {
                warn(bundle, "Error while destroying extension", t);
            }
        }
    }

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    int count = 0;
      while(count < 1000) {
          count++;
          logger.info("Launching " + count + "-th operation");
          final int c = count;
          FutureTask task = new FutureTask<Object>(
            new Thread() {
              public void run() {
                    Model.getByKey(PersonLongAutoIDModel.class, PERSON_LONGAUTOID_TESLA.id);
                  logger.info("Executed " + c + "-th operation");
                }
            }, null);
          Thread thread = new Thread(task);
          thread.start();
          try {
              task.get(1l, TimeUnit.HOURS);
          } catch (Exception e) {
              e.printStackTrace();
          }   
      }
  }

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        assertEquals(0, this.collector.getEvents().size());
    }


    public void testCollectFromDifferentThreads() throws Exception {
        FutureTask f1 = new FutureTask(new Tester());
        FutureTask f2 = new FutureTask(new Tester());
        Thread t1 = new Thread(f1);
        Thread t2 = new Thread(f2);
        
        t1.start();
        t2.start();
        
        int total1 = 0;
        int total2 = 0;
        try {    
            total1 = (Integer) f1.get();
            total2 = (Integer) f2.get();
        } catch (Exception ex) {
            ex.printStackTrace();
            this.fail("Test failure: " + ex.getMessage());
        }
        assertEquals(0, total1);

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        assertSame(e2, this.collector.pollEvent());
        assertSame(e3, this.collector.pollEvent());
    }
    
    public void testCollectAndPollFromDifferentThreads() throws Exception {
        FutureTask f1 = new FutureTask(new Producer());
        FutureTask f2 = new FutureTask(new Consumer());
        Thread t1 = new Thread(f1);
        Thread t2 = new Thread(f2);
        
        t1.start();
        t2.start();
        
        try {
            f1.get();
            f2.get();
        } catch (Exception ex) {
            ex.printStackTrace();
            this.fail("Test failure: " + ex.getMessage());
        }
    }

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        assertEquals(0, this.collector.getEvents().size());
    }


    public void testCollectFromDifferentThreads() throws Exception {
        FutureTask f1 = new FutureTask(new Tester());
        FutureTask f2 = new FutureTask(new Tester());
        Thread t1 = new Thread(f1);
        Thread t2 = new Thread(f2);
        
        t1.start();
        t2.start();
        
        try {    
            f1.get();
            f2.get();
        } catch (Exception ex) {
            ex.printStackTrace();
            this.fail("Test failure: " + ex.getMessage());
        }
    }

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            // failed to create a proxy for it.
            handler = originalHandler;
        }


        cft = new CallbackFutureTask(ic.getAsyncResponseListener(), handler, handlerCL);
        task = new FutureTask(cft);
        executor = ic.getExecutor();
        
        /*
         * TODO review.  We need to save the invocation context so we can set it on the
         * response (or fault) context so the FutureCallback has access to the handler list.

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                public Message createMessage(Session session) throws JMSException {
                    Message message = endpoint.getBinding().makeJmsMessage(exchange, in, session);
                    message.setJMSReplyTo(replyTo);
                    requestor.setReplyToSelectorHeader(in, message);


                    FutureTask future = null;
                    future = (!msgIdAsCorrId)
                        ? requestor.getReceiveFuture(message.getJMSCorrelationID(), endpoint
                            .getRequestTimeout()) : requestor.getReceiveFuture(callback);


                    futureHolder.set(future);

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