Examples of com.google.common.util.concurrent.ServiceManager

Package com.google.common.util.concurrent

Examples of com.google.common.util.concurrent.ServiceManager

com.google.common.util.concurrent.ServiceManager
ices have been initialized and are healthy, start accepting requests... } public void failure(Service service) { // Something failed, at this point we could log it, notify a load balancer, or take // some other action. For now we will just exit. System.exit(1); } }, MoreExecutors.sameThreadExecutor()); Runtime.getRuntime().addShutdownHook(new Thread() { public void run() { // Give the services 5 seconds to stop to ensure that we are responsive to shutdown // requests. try { manager.stopAsync().awaitStopped(5, TimeUnit.SECONDS); } catch (TimeoutException timeout) { // stopping timed out } } }); manager.startAsync(); // start all the services asynchronously } }}
This class uses the ServiceManager's methods to start all of its services, to respond to service failure and to ensure that when the JVM is shutting down all the services are stopped. @author Luke Sandberg @since 14.0


        // register node by initiating first ping. if the node isn't registered, loading persisted inputs will fail silently, for example
        Ping.Pinger pinger = injector.getInstance(Ping.Pinger.class);
        pinger.ping();


        final ServiceManager serviceManager = injector.getInstance(ServiceManager.class);
        final ServiceManagerListener serviceManagerListener = injector.getInstance(ServiceManagerListener.class);
        serviceManager.addListener(serviceManagerListener);
        serviceManager.startAsync().awaitHealthy();


        LOG.info("Graylog2 Radio up and running.");


        while (true) {
            try { Thread.sleep(1000); } catch (InterruptedException e) { /* lol, i don't care */ }

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    Set<Service> services;


    @Override
    public ServiceManager get() {
        LOG.debug("Using services: {}", services);
        return new ServiceManager(services);
    }

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        // Le server object. This is where all the magic happens.
        final ServerStatus serverStatus = injector.getInstance(ServerStatus.class);
        serverStatus.initialize();


        ActivityWriter activityWriter = null;
        ServiceManager serviceManager = null;
        try {
            activityWriter = injector.getInstance(ActivityWriter.class);
            serviceManager = injector.getInstance(ServiceManager.class);
        } catch (ProvisionException e) {
            for (Message message : e.getErrorMessages()) {
                if (message.getCause() instanceof MongoException) {
                    LOG.error(UI.wallString("Unable to connect to MongoDB. Is it running and the configuration correct?"));
                    System.exit(-1);
                }
            }


            LOG.error("Guice error", e);
            System.exit(-1);
        } catch (Exception e) {
            LOG.error("Unexpected exception", e);
            System.exit(-1);
        }


        final ActivityWriter finalActivityWriter = activityWriter;
        final ServiceManager finalServiceManager = serviceManager;
        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                String msg = "SIGNAL received. Shutting down.";
                LOG.info(msg);
                finalActivityWriter.write(new Activity(msg, Main.class));


                GracefulShutdown shutdown = injector.getInstance(GracefulShutdown.class);
                shutdown.runWithoutExit();
                finalServiceManager.stopAsync().awaitStopped();
            }
        });


        // Register this node.
        final NodeService nodeService = injector.getInstance(NodeService.class);

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          stdout.printf("  %s = %s%n", entry.getKey(), entry.getValue());
        }
      }
      // check that the parameters are valid
      injector.getInstance(BenchmarkClass.class).validateParameters(options.userParameters());
      ServiceManager serviceManager = injector.getInstance(ServiceManager.class);
      serviceManager.startAsync().awaitHealthy();
      try {
        CaliperRun run = injector.getInstance(CaliperRun.class); // throws wrapped ICE, IBE
        run.run(); // throws IBE
      } finally {
        serviceManager.stopAsync();
      }
    } catch (CreationException e) {
      propogateIfCaliperException(e.getCause());
      throw e;
    } catch (ProvisionException e) {

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  }


  @Provides
  @Singleton
  ServiceManager provideServiceManager(Set<Service> services) {
    return new ServiceManager(services);
  }

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      if( args.length > 1) {
        Logging.setup(host, commandLineArguments.getLogPort());
      }


      List<StageService> stageServices = StageServiceFactory.createStageServices(stageName, host, port, performanceLogging, stage);
      startServices(new ServiceManager(stageServices));
    } catch(Exception e) {
      logger.error("Caught exception while starting stage(s).", e);
      System.exit(1);
    }
  }

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    } catch (Exception e) {
      logger.error("Unable to connect to remote logging host on "+ host +":"+cmdLineArgs.getLogPort(), e);
      System.exit(1);
    }


    final ServiceManager manager;
    try {
      manager = getServiceManager(groupName, host, port, performanceLogging);
    } catch (Exception e) {
      logger.error("Failed to get stage service manager. Shutting down.", e);
      System.exit(1);

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    List<StageService> stageServices = new ArrayList<StageService>();
    for (String stageName : getStages(host, port, groupName)) {
      List<StageService> stageServicesForStage = StageServiceFactory.createStageServices(stageName, host, port, performanceLogging, null);
      stageServices.addAll(stageServicesForStage);
    }
    return new ServiceManager(stageServices);
  }

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  @Provides
  @Singleton
  @SchedulerActive
  ServiceManagerIface provideSchedulerActiveServiceManager(@SchedulerActive Set<Service> services) {
    return GuavaUtils.serviceManager(new ServiceManager(services));
  }

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