Example usage for com.google.common.util.concurrent SettableFuture create

Introduction

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

Prototype

public static <V> SettableFuture<V> create()

Source Link

Document

Creates a new SettableFuture that can be completed or cancelled by a later method call.

Usage

From source file:org.opendaylight.openflowplugin.impl.statistics.StatisticsContextImpl.java

@Override
public ListenableFuture<Boolean> gatherDynamicData() {
    final ListenableFuture<Boolean> errorResultFuture = deviceConnectionCheck();
    if (errorResultFuture != null) {
        return errorResultFuture;
    }/* ww  w  . jav a  2  s .  c om*/
    final Iterator<MultipartType> statIterator = collectingStatType.iterator();
    final SettableFuture<Boolean> settableStatResultFuture = SettableFuture.create();
    statChainFuture(statIterator, settableStatResultFuture);
    return settableStatResultFuture;
}

From source file:es.udc.pfc.xmpp.component.AbstractXMPPComponent.java

/**
 * Send an IQ request, handling the response using a Future.
 * /* w  w  w .ja v a 2s. co m*/
 * @param iq the IQ request to be sent
 * @return a Future 
 */
public final ListenableFuture<IQ> sendIQ(final IQ iq) {
    checkNotNull(iq);
    checkArgument(iq.isRequest() && !Strings.isNullOrEmpty(iq.getId()));

    if (futureHandlers.containsKey(iq.getId())) {
        log.warning("ID " + iq.getId() + " already being handled.");
        return futureHandlers.get(iq.getId());
    }

    final SettableFuture<IQ> future = SettableFuture.create();
    futureHandlers.put(iq.getId(), future);
    send(iq);
    return future;
}

From source file:io.datakernel.service.ServiceAdapters.java

public static ServiceAdapter<Eventloop> forEventloop(final ThreadFactory threadFactory) {
    return new ServiceAdapter<Eventloop>() {
        @Override//from w  ww . jav a 2  s  . c  om
        public Service toService(final Eventloop eventloop, final Executor executor) {
            return new Service() {
                volatile SettableFuture<?> stopFuture;

                @Override
                public ListenableFuture<?> start() {
                    final SettableFuture<?> future = SettableFuture.create();
                    threadFactory.newThread(new Runnable() {
                        @Override
                        public void run() {
                            eventloop.keepAlive(true);
                            future.set(null);
                            eventloop.run();
                            if (stopFuture != null) {
                                stopFuture.set(null);
                            }
                        }
                    }).start();
                    return future;
                }

                @Override
                public ListenableFuture<?> stop() {
                    stopFuture = SettableFuture.create();
                    eventloop.execute(new Runnable() {
                        @Override
                        public void run() {
                            eventloop.keepAlive(false);
                        }
                    });
                    return stopFuture;
                }
            };
        }
    };
}

From source file:org.apache.qpid.server.security.auth.manager.AbstractAuthenticationManager.java

private ListenableFuture<Void> performDelete() {
    final SettableFuture<Void> futureResult = SettableFuture.create();
    addFutureCallback(closeAsync(), new FutureCallback<Void>() {
        @Override/*from  w ww . j  av a 2 s  . co  m*/
        public void onSuccess(final Void result) {
            try {
                tidyUp();
                futureResult.set(null);
            } catch (Exception e) {
                futureResult.setException(e);
            }
        }

        @Override
        public void onFailure(final Throwable t) {
            try {
                tidyUp();
            } finally {
                futureResult.setException(t);
            }
        }

        private void tidyUp() {
            deleted();
            setState(State.DELETED);
            _eventLogger.message(AuthenticationProviderMessages.DELETE(getName()));
        }
    }, getTaskExecutor());

    return futureResult;
}

From source file:org.apache.heron.statemgr.NullStateManager.java

@Override
public ListenableFuture<TopologyMaster.MetricsCacheLocation> getMetricsCacheLocation(WatchCallback watcher,
        String topologyName) {
    return SettableFuture.create();
}

From source file:org.opendaylight.netvirt.vpnmanager.VpnRpcServiceImpl.java

/**
 * Remove label for the given ip prefix from the associated VPN.
 */// ww w . j ava2s  .  c om
@Override
public Future<RpcResult<Void>> removeVpnLabel(RemoveVpnLabelInput input) {
    String vpnName = input.getVpnName();
    String ipPrefix = input.getIpPrefix();
    String rd = VpnUtil.getVpnRd(dataBroker, vpnName);
    SettableFuture<RpcResult<Void>> futureResult = SettableFuture.create();
    VpnUtil.releaseId(idManager, VpnConstants.VPN_IDPOOL_NAME,
            VpnUtil.getNextHopLabelKey((rd != null) ? rd : vpnName, ipPrefix));
    futureResult.set(RpcResultBuilder.<Void>success().build());
    return futureResult;
}

From source file:com.vmware.photon.controller.common.thrift.ClientPoolImpl.java

@Override
public synchronized ListenableFuture<C> acquire() {
    if (promises.size() < options.getMaxWaiters()) {
        SettableFuture<C> future = SettableFuture.create();
        Promise<C> promise = new Promise<>(future);
        promises.add(promise);/*  w ww.  j  a v  a  2  s.co  m*/
        processPromises();
        logger.info("options.getTimeoutMs() is {}", options.getTimeoutMs());
        if (options.getTimeoutMs() > 0 && !future.isDone()) {
            setTimeout(promise);
        }
        logger.info("{} Promise processed {}", options.getServiceName(), promise);
        return future;
    }

    return Futures.immediateFailedFuture(new ClientPoolException("Too many waiters"));
}

From source file:org.opendaylight.streamhandler.impl.StreamhandlerImpl.java

@Override
public Future<RpcResult<Void>> persistEvent(PersistEventInput input) {
    final SettableFuture<RpcResult<Void>> futureResult = SettableFuture.create();
    boolean result = true;
    try {//from w w w .j a va 2  s . c o  m
        // Initialize client with the remote Flume agent's host and port
        if (client == null) {
            client = new PersistEvent(commonServices.flumeHostname, commonServices.flumePort);
        }
        result = client.sendDataToFlume(input);
    } catch (Exception e) {
        futureResult.set(RpcResultBuilder.<Void>failed().build());
        LOG.error("Unable to save data " + e.getMessage(), e);
    }
    if (!result) {
        futureResult.set(RpcResultBuilder.<Void>failed().build());
    } else {
        futureResult.set(RpcResultBuilder.<Void>success().build());
    }
    return futureResult;
}

From source file:org.opendaylight.controller.cluster.databroker.actors.dds.RemoteProxyTransaction.java

@Override
CheckedFuture<Boolean, ReadFailedException> doExists(final YangInstanceIdentifier path) {
    final SettableFuture<Boolean> future = SettableFuture.create();
    return sendReadRequest(new ExistsTransactionRequest(getIdentifier(), client().self(), path),
            t -> completeExists(future, t), future);
}