Example usage for com.google.common.util.concurrent Service isRunning

Introduction

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

Prototype

boolean isRunning();

Source Link

Document

Returns true if this service is State#RUNNING running .

Usage

From source file:com.continuuity.weave.internal.WeaveContainerMain.java

private static Service wrapService(final ZKClientService zkClientService, final Service containerService) {
    return new Service() {

        @Override/*from w  ww  .  jav a  2s. c  o m*/
        public ListenableFuture<State> start() {
            return Futures.transform(Services.chainStart(zkClientService, containerService),
                    new AsyncFunction<List<ListenableFuture<State>>, State>() {
                        @Override
                        public ListenableFuture<State> apply(List<ListenableFuture<State>> input)
                                throws Exception {
                            return input.get(1);
                        }
                    });
        }

        @Override
        public State startAndWait() {
            return Futures.getUnchecked(start());
        }

        @Override
        public boolean isRunning() {
            return containerService.isRunning();
        }

        @Override
        public State state() {
            return containerService.state();
        }

        @Override
        public ListenableFuture<State> stop() {
            return Futures.transform(Services.chainStop(containerService, zkClientService),
                    new AsyncFunction<List<ListenableFuture<State>>, State>() {
                        @Override
                        public ListenableFuture<State> apply(List<ListenableFuture<State>> input)
                                throws Exception {
                            return input.get(0);
                        }
                    });
        }

        @Override
        public State stopAndWait() {
            return Futures.getUnchecked(stop());
        }

        @Override
        public void addListener(Listener listener, Executor executor) {
            containerService.addListener(listener, executor);
        }
    };
}

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From source file:com.brighttag.agathon.service.impl.ServiceRegistry.java

@Override
protected void shutDown() {
    List<Future<State>> stopFutures = Lists.newArrayList();
    LOG.info("Stopping service registry");

    // Stop the services in parallel
    for (Service service : services) {
        if (service.isRunning()) {
            Future<State> stopFuture = service.stop();
            stopFutures.add(stopFuture);
            LOG.info("Stop service {}, future={}", serviceName(service), stopFuture);
        }//from w w w .  j av a 2s  . c om
    }

    // Wait for the services ... and swallow exceptions
    for (Future<State> stateFuture : stopFutures) {
        try {
            State state = stateFuture.get();
            LOG.info("Service future {} result={}", stateFuture, state);
        } catch (Exception e) {
            // Ok to catch Exception here
            LOG.warn("Problem stopping service, but pushing on", e);
        }
    }

    LOG.info("Finished stopping service registry");
}

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From source file:org.apache.twill.internal.CompositeService.java

private void stopAll() throws Exception {
    Throwable failureCause = null;

    // Stop services in reverse order.
    Iterator<Service> itor = services.descendingIterator();
    while (itor.hasNext()) {
        Service service = itor.next();
        try {/*from   w  w  w  . j av  a2s.co  m*/
            if (service.isRunning() || service.state() == State.STARTING) {
                service.stopAndWait();
            }
        } catch (UncheckedExecutionException e) {
            // Just catch as we want all services stopped
            if (failureCause == null) {
                failureCause = e.getCause();
            } else {
                // Log for sub-sequence service shutdown error, as only the first failure cause will be thrown.
                LOG.warn("Failed to stop service {}", service, e);
            }
        }
    }

    if (failureCause != null) {
        Throwables.propagateIfPossible(failureCause, Exception.class);
        throw new RuntimeException(failureCause);
    }
}

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From source file:de.ks.launch.Launcher.java

public boolean isStarted() {
    for (Service service : getServices()) {
        if (!service.isRunning()) {
            return false;
        }/*from   ww  w .  ja v a 2 s  .c  o m*/
    }
    return true;
}

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From source file:io.janusproject.kernel.Kernel.java

/** Replies a kernel service that is alive.
 *
 * @param <S> - type of the type to reply.
 * @param type - type of the type to reply.
 * @return the service, or <code>null</code>.
 *//*from   w  w  w.  j a  v a2 s .co m*/
public <S extends Service> S getService(Class<S> type) {
    for (Service serv : this.serviceManager.servicesByState().values()) {
        if (serv.isRunning() && type.isInstance(serv)) {
            return type.cast(serv);
        }
    }
    return null;
}

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