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

List of usage examples for com.google.common.util.concurrent SettableFuture create

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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.openflowjava.protocol.impl.core.TcpHandler.java

/**
 * Constructor of TCPHandler that listens on selected address and port.
 * @param address listening address of TCPHandler server
 * @param port listening port of TCPHandler server
 *///w  w w . j  av  a 2  s. c  om
public TcpHandler(InetAddress address, int port) {
    this.port = port;
    this.startupAddress = address;
    channelInitializer = new PublishingChannelInitializer();
    isOnlineFuture = SettableFuture.create();
}

From source file:c5db.client.FutureBasedMessageHandler.java

@Override
public ListenableFuture<Response> buffer(final Call request, final Channel channel) {
    SettableFuture<Response> settableFuture = SettableFuture.create();
    futures.put(request.getCommandId(), settableFuture);
    // Keep track of how many outstanding requests we have and limit it.
    ChannelFuture future = channel.write(request);
    future.addListener(objectFuture -> inFlightCalls.decrementAndGet());

    if (inFlightCalls.incrementAndGet() > C5Constants.IN_FLIGHT_CALLS) {
        System.out.println("Backing off:" + C5Constants.IN_FLIGHT_CALLS);
        try {/*w ww .  j av a  2 s. c  o  m*/
            future.get();
        } catch (InterruptedException | ExecutionException e) {
            e.printStackTrace();
            System.exit(1);
        }
    }

    return settableFuture;
}

From source file:org.wso2.andes.kernel.disruptor.inbound.InboundBindingEvent.java

/**
 * Create a binding event to be published to disruptor. Also prepare the event before publishing by
 * calling prepare methods.//from  ww  w  .  j  a  va  2s. c om
 *
 * @param boundedQueue           Information on the queue bound
 * @param boundMessageRouterName name of message router
 * @param routingKey             binding key
 */
public InboundBindingEvent(QueueInfo boundedQueue, String boundMessageRouterName, String routingKey) {
    this.boundMessageRouterName = boundMessageRouterName;
    this.boundedQueue = boundedQueue;
    this.routingKey = routingKey;
    this.isEventComplete = SettableFuture.create();
}

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

public static ServiceAdapter<EventloopServer> forEventloopServer() {
    return new ServiceAdapter<EventloopServer>() {
        @Override//from   www. j ava2s  . c  o  m
        public Service toService(final EventloopServer instance, Executor executor) {
            return new Service() {
                @Override
                public ListenableFuture<?> start() {
                    final SettableFuture<?> future = SettableFuture.create();
                    instance.getEventloop().execute(new Runnable() {
                        @Override
                        public void run() {
                            try {
                                instance.listen();
                                future.set(null);
                            } catch (IOException e) {
                                future.setException(e);
                            }
                        }
                    });
                    return future;
                }

                @Override
                public ListenableFuture<?> stop() {
                    final SettableFuture<?> future = SettableFuture.create();
                    instance.getEventloop().execute(new Runnable() {
                        @Override
                        public void run() {
                            instance.close();
                            future.set(null);
                        }
                    });
                    return future;
                }
            };
        }
    };
}

From source file:org.opendaylight.openflowplugin.impl.role.RoleContextImpl.java

public RoleContextImpl(final DeviceContext deviceContext, final EntityOwnershipService entityOwnershipService,
        final Entity entity) {
    this.entityOwnershipService = Preconditions.checkNotNull(entityOwnershipService);
    this.deviceContext = Preconditions.checkNotNull(deviceContext);
    this.entity = Preconditions.checkNotNull(entity);

    salRoleService = new SalRoleServiceImpl(this, deviceContext);
    initRoleChangeFuture = SettableFuture.create();
}

From source file:com.facebook.buck.rules.AbstractCachingBuildRule.java

protected AbstractCachingBuildRule(Buildable buildable, BuildRuleParams params) {
    super(params);
    this.buildable = Preconditions.checkNotNull(buildable);
    this.hasBuildStarted = new AtomicBoolean(false);
    this.buildRuleResult = SettableFuture.create();
}

From source file:com.microsoft.office365.connect.MailController.java

/**
 * Sends an email message using the Office 365 mail capability from the address of the
 * signed in user./* w  w  w  . j  a v  a  2s. com*/
 * @param emailAddress The recipient email address.
 * @param subject The subject to use in the mail message.
 * @param body The body of the message.
 * @return A signal to wait on before continuing execution. The signal contains
 * a boolean value of true if the operation was successful.
 */
public SettableFuture<Boolean> sendMail(final String emailAddress, final String subject, final String body) {

    if (!isReady()) {
        throw new MissingResourceException(
                "You must set the ServiceResourceId and ServiceEndPointUri before using sendMail",
                "MailController", "ServiceResourceId, ServiceEndPointUri");
    }

    final SettableFuture<Boolean> result = SettableFuture.create();

    try {
        AuthenticationManager.getInstance().setResourceId(mServiceResourceId);
        ADALDependencyResolver dependencyResolver = (ADALDependencyResolver) AuthenticationManager.getInstance()
                .getDependencyResolver();

        OutlookClient mailClient = new OutlookClient(mServiceEndpointUri, dependencyResolver);

        // Prepare the message.
        List<Recipient> recipientList = new ArrayList<>();

        Recipient recipient = new Recipient();
        EmailAddress email = new EmailAddress();
        email.setAddress(emailAddress);
        recipient.setEmailAddress(email);
        recipientList.add(recipient);

        Message messageToSend = new Message();
        messageToSend.setToRecipients(recipientList);

        ItemBody bodyItem = new ItemBody();
        bodyItem.setContentType(BodyType.HTML);
        bodyItem.setContent(body);
        messageToSend.setBody(bodyItem);
        messageToSend.setSubject(subject);

        // Contact the Office 365 service and try to deliver the message.
        ListenableFuture<Integer> mailSent = mailClient.getMe().getOperations().sendMail(messageToSend, true);
        Futures.addCallback(mailSent, new FutureCallback<Integer>() {
            @Override
            public void onSuccess(Integer mailItemId) {
                Log.i(TAG, "sendMail - Email sent");
                result.set(true);
            }

            @Override
            public void onFailure(Throwable t) {
                Log.e(TAG, "sendMail - " + t.getMessage());
                result.setException(t);
            }
        });
    } catch (Exception e) {
        Log.e(TAG, "sendMail - " + e.getMessage());
        result.setException(e);
    }
    return result;
}

From source file:org.opendaylight.mdsal.dom.broker.ShardedDOMReadTransactionAdapter.java

@Override
public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final LogicalDatastoreType store,
        final YangInstanceIdentifier path) {
    checkRunning();/*  w  w  w . j  a v a  2 s.  c  o m*/
    LOG.debug("{}: Invoking read at {}:{}", txIdentifier, store, path);
    final ListenerRegistration<DOMDataTreeListener> reg;
    final SettableFuture<Optional<NormalizedNode<?, ?>>> initialDataTreeChangeFuture = SettableFuture.create();
    try {
        reg = service.registerListener(new ReadShardedListener(initialDataTreeChangeFuture),
                Collections.singleton(new DOMDataTreeIdentifier(store, path)), false, Collections.emptyList());
        registrations.add(reg);
    } catch (final DOMDataTreeLoopException e) {
        // This should not happen, we are not specifying any
        // producers when registering listener
        throw new IllegalStateException("Loop in listener and producers detected", e);
    }

    // After data tree change future is finished, we can close the listener registration
    Futures.addCallback(initialDataTreeChangeFuture, new FutureCallback<Optional<NormalizedNode<?, ?>>>() {
        @Override
        public void onSuccess(@Nullable final Optional<NormalizedNode<?, ?>> result) {
            reg.close();
        }

        @Override
        public void onFailure(final Throwable throwable) {
            reg.close();
        }
    });

    return Futures.makeChecked(initialDataTreeChangeFuture, ReadFailedException.MAPPER);
}

From source file:edu.umich.si.inteco.minuku.dao.LocationDataRecordDAO.java

@Override
public Future<List<LocationDataRecord>> getAll() throws DAOException {
    final SettableFuture<List<LocationDataRecord>> settableFuture = SettableFuture.create();
    String firebaseUrlForLocation = Constants.getInstance().getFirebaseUrlForLocation();
    Firebase locationListRef = new Firebase(firebaseUrlForLocation).child(myUserEmail)
            .child(new SimpleDateFormat("MMddyyyy").format(new Date()).toString());

    locationListRef.addValueEventListener(new ValueEventListener() {
        @Override//  w  w  w . j ava 2 s.c  om
        public void onDataChange(DataSnapshot dataSnapshot) {
            Map<String, LocationDataRecord> locationListMap = (HashMap<String, LocationDataRecord>) dataSnapshot
                    .getValue();
            List<LocationDataRecord> values = (List) locationListMap.values();
            settableFuture.set(values);
        }

        @Override
        public void onCancelled(FirebaseError firebaseError) {
            settableFuture.set(null);
        }
    });
    return settableFuture;
}

From source file:org.opendaylight.openflowplugin.impl.services.RoleService.java

public Future<BigInteger> getGenerationIdFromDevice(Short version) throws RoleChangeException {
    final NodeId nodeId = deviceContext.getPrimaryConnectionContext().getNodeId();
    LOG.info("getGenerationIdFromDevice called for device:{}", nodeId.getValue());

    // send a dummy no-change role request to get the generation-id of the switch
    final RoleRequestInputBuilder roleRequestInputBuilder = new RoleRequestInputBuilder();
    roleRequestInputBuilder.setRole(toOFJavaRole(OfpRole.NOCHANGE));
    roleRequestInputBuilder.setVersion(version);
    roleRequestInputBuilder.setGenerationId(BigInteger.ZERO);

    final SettableFuture<BigInteger> finalFuture = SettableFuture.create();
    ListenableFuture<RpcResult<RoleRequestOutput>> genIdListenableFuture = handleServiceCall(
            roleRequestInputBuilder);/*from   w  w w .j a  v  a  2  s.  c o  m*/
    Futures.addCallback(genIdListenableFuture, new FutureCallback<RpcResult<RoleRequestOutput>>() {
        @Override
        public void onSuccess(RpcResult<RoleRequestOutput> roleRequestOutputRpcResult) {
            if (roleRequestOutputRpcResult.isSuccessful()) {
                RoleRequestOutput roleRequestOutput = roleRequestOutputRpcResult.getResult();
                if (roleRequestOutput != null) {
                    LOG.debug("roleRequestOutput.getGenerationId()={}", roleRequestOutput.getGenerationId());
                    finalFuture.set(roleRequestOutput.getGenerationId());
                } else {
                    LOG.info("roleRequestOutput is null in getGenerationIdFromDevice");
                    finalFuture.setException(new RoleChangeException(
                            "Exception in getting generationId for device:" + nodeId.getValue()));
                }

            } else {
                LOG.error("getGenerationIdFromDevice RPC error "
                        + roleRequestOutputRpcResult.getErrors().iterator().next().getInfo());

            }

        }

        @Override
        public void onFailure(Throwable throwable) {
            LOG.info("onFailure - getGenerationIdFromDevice RPC error {}", throwable);
            finalFuture.setException(new ExecutionException(throwable));
        }
    });
    return finalFuture;
}