Example usage for com.google.common.util.concurrent ServiceManager servicesByState

Introduction

In this page you can find the example usage for com.google.common.util.concurrent ServiceManager servicesByState.

Prototype

public ImmutableMultimap<State, Service> servicesByState() 

Source Link

Document

Provides a snapshot of the current state of all the services under management.

Usage

From source file:org.apache.aurora.GuavaUtils.java

/**
 * Create a new {@link ServiceManagerIface} that wraps a {@link ServiceManager}.
 *
 * @param delegate Service manager to delegate to.
 * @return A wrapper.//from   w w w  . j a v  a 2 s.  co  m
 */
public static ServiceManagerIface serviceManager(final ServiceManager delegate) {
    return new ServiceManagerIface() {
        @Override
        public ServiceManagerIface startAsync() {
            delegate.startAsync();
            return this;
        }

        @Override
        public void awaitHealthy() {
            delegate.awaitHealthy();
        }

        @Override
        public ServiceManagerIface stopAsync() {
            delegate.stopAsync();
            return this;
        }

        @Override
        public void awaitStopped(long timeout, TimeUnit unit) throws TimeoutException {
            delegate.awaitStopped(timeout, unit);
        }

        @Override
        public ImmutableMultimap<State, Service> servicesByState() {
            return delegate.servicesByState();
        }
    };
}

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From source file:org.graylog2.bootstrap.ServerBootstrap.java

@Override
protected void startCommand() {
    final AuditLogger auditLogger = injector.getInstance(AuditLogger.class);
    final Map<String, Object> auditLogContext = ImmutableMap.of("version", version, "java",
            Tools.getSystemInformation());
    auditLogger.success("<system>", "initiated", "startup", auditLogContext);

    final OS os = OS.getOs();

    LOG.info("Graylog {} {} starting up", commandName, version);
    LOG.info("JRE: {}", Tools.getSystemInformation());
    LOG.info("Deployment: {}", configuration.getInstallationSource());
    LOG.info("OS: {}", os.getPlatformName());
    LOG.info("Arch: {}", os.getArch());

    final ServerStatus serverStatus = injector.getInstance(ServerStatus.class);
    serverStatus.initialize();/*w  ww . j  a v  a  2s  .  com*/

    startNodeRegistration(injector);

    final ActivityWriter activityWriter;
    final ServiceManager serviceManager;
    try {
        activityWriter = injector.getInstance(ActivityWriter.class);
        serviceManager = injector.getInstance(ServiceManager.class);
    } catch (ProvisionException e) {
        LOG.error("Guice error", e);
        annotateProvisionException(e);
        auditLogger.failure("<system>", "initiated", "startup", auditLogContext);
        System.exit(-1);
        return;
    } catch (Exception e) {
        LOG.error("Unexpected exception", e);
        auditLogger.failure("<system>", "initiated", "startup", auditLogContext);
        System.exit(-1);
        return;
    }

    Runtime.getRuntime().addShutdownHook(new Thread(injector.getInstance(shutdownHook())));

    // propagate default size to input plugins
    MessageInput.setDefaultRecvBufferSize(configuration.getUdpRecvBufferSizes());

    // Start services.
    final ServiceManagerListener serviceManagerListener = injector.getInstance(ServiceManagerListener.class);
    serviceManager.addListener(serviceManagerListener);
    try {
        serviceManager.startAsync().awaitHealthy();
    } catch (Exception e) {
        try {
            serviceManager.stopAsync().awaitStopped(configuration.getShutdownTimeout(), TimeUnit.MILLISECONDS);
        } catch (TimeoutException timeoutException) {
            LOG.error("Unable to shutdown properly on time. {}", serviceManager.servicesByState());
        }
        LOG.error("Graylog startup failed. Exiting. Exception was:", e);
        auditLogger.failure("<system>", "initiated", "startup", auditLogContext);
        System.exit(-1);
    }
    LOG.info("Services started, startup times in ms: {}", serviceManager.startupTimes());

    activityWriter.write(new Activity("Started up.", Main.class));
    LOG.info("Graylog " + commandName + " up and running.");
    auditLogger.success("<system>", "completed", "startup", auditLogContext);

    // Block forever.
    try {
        Thread.currentThread().join();
    } catch (InterruptedException e) {
        return;
    }
}

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