Example usage for com.google.common.util.concurrent Futures addCallback

Introduction

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

Prototype

public static <V> void addCallback(ListenableFuture<V> future, FutureCallback<? super V> callback) 

Source Link

Document

Registers separate success and failure callbacks to be run when the Future 's computation is java.util.concurrent.Future#isDone() complete or, if the computation is already complete, immediately.

Usage

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  ww w  .j ava 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;
}

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From source file:org.anhonesteffort.p25.resource.ControlChannelQualifyingResource.java

@POST
@Timed/*  www  . j a v a 2s. c  o m*/
@ManagedAsync
public void qualify(@NotNull @Valid QualifyRequest request, @Suspended AsyncResponse response) {
    ChannelRequest.Reader channelRequest = transform(request);
    ListenableFuture<SamplesSourceHandler> sourceFuture = chnlzr.createSourceFor(channelRequest);

    Futures.addCallback(sourceFuture, new SamplesSourceCallback(channelRequest, response));

    response.setTimeout(config.getChannelRequestTimeoutMs(), TimeUnit.MILLISECONDS);
    response.setTimeoutHandler(asyncResponse -> sourceFuture.cancel(true));
}

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From source file:io.druid.indexing.overlord.ThreadPoolTaskRunner.java

@Override
public ListenableFuture<TaskStatus> run(final Task task) {
    final TaskToolbox toolbox = toolboxFactory.build(task);
    final ListenableFuture<TaskStatus> statusFuture = exec
            .submit(new ThreadPoolTaskRunnerCallable(task, toolbox));
    final ThreadPoolTaskRunnerWorkItem taskRunnerWorkItem = new ThreadPoolTaskRunnerWorkItem(task,
            statusFuture);/*from   w  w  w.  j  a  v a2 s  .  c om*/
    runningItems.add(taskRunnerWorkItem);
    Futures.addCallback(statusFuture, new FutureCallback<TaskStatus>() {
        @Override
        public void onSuccess(TaskStatus result) {
            runningItems.remove(taskRunnerWorkItem);
        }

        @Override
        public void onFailure(Throwable t) {
            runningItems.remove(taskRunnerWorkItem);
        }
    });

    return statusFuture;
}

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From source file:org.apache.twill.internal.zookeeper.RewatchOnExpireZKClient.java

@Override
public OperationFuture<NodeData> getData(String path, Watcher watcher) {
    if (watcher == null) {
        return super.getData(path, null);
    }//from  ww  w. j  av  a2 s . c o  m
    final RewatchOnExpireWatcher wrappedWatcher = new RewatchOnExpireWatcher(this, ActionType.DATA, path,
            watcher);
    OperationFuture<NodeData> result = super.getData(path, wrappedWatcher);
    Futures.addCallback(result, new FutureCallback<NodeData>() {
        @Override
        public void onSuccess(NodeData result) {
            wrappedWatcher.setLastResult(result);
        }

        @Override
        public void onFailure(Throwable t) {
            // No-op
        }
    });
    return result;

}

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From source file:com.microsoft.office365.snippetapp.helpers.DiscoveryController.java

/**
 * Provides information about the service that corresponds to the provided
 * capability.// www  .  j  a  v a 2  s.com
 *
 * @param capability A string that contains the capability of the service that
 *                   is going to be discovered.
 * @return A signal to wait on before continuing execution. The signal contains the
 * ServiceInfo object with extra information about discovered service.
 */
public SettableFuture<ServiceInfo> getServiceInfo(final String capability) {

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

    // First, look in the locally cached services.
    if (mServices != null) {
        boolean serviceFound = false;
        for (ServiceInfo service : mServices) {
            if (service.getcapability().equals(capability)) {
                Log.i(TAG, "getServiceInfo - " + service.getserviceName() + " service for " + capability
                        + " was found in local cached services");
                result.set(service);
                serviceFound = true;
                break;
            }
        }

        if (!serviceFound) {
            NoSuchElementException noSuchElementException = new NoSuchElementException(
                    "The " + capability + " capability was not found in the local cached services.");
            Log.e(TAG, "getServiceInfo - " + noSuchElementException.getMessage());
            result.setException(noSuchElementException);
        }
    } else { // The services have not been cached yet. Go ask the discovery service.
        AuthenticationController.getInstance().setResourceId(Constants.DISCOVERY_RESOURCE_ID);
        ADALDependencyResolver dependencyResolver = (ADALDependencyResolver) AuthenticationController
                .getInstance().getDependencyResolver();

        DiscoveryClient discoveryClient = new DiscoveryClient(Constants.DISCOVERY_RESOURCE_URL,
                dependencyResolver);

        try {
            ListenableFuture<List<ServiceInfo>> future = discoveryClient.getservices()
                    .select("serviceResourceId,serviceEndpointUri,capability").read();
            Futures.addCallback(future, new FutureCallback<List<ServiceInfo>>() {
                @Override
                public void onSuccess(final List<ServiceInfo> services) {
                    Log.i(TAG, "getServiceInfo - Services discovered\n");
                    // Save the discovered services to serve further requests from the local cache.
                    mServices = services;

                    boolean serviceFound = false;
                    for (ServiceInfo service : services) {
                        if (service.getcapability().equals(capability)) {
                            Log.i(TAG, "getServiceInfo - " + service.getserviceName() + " service for "
                                    + capability + " was found in services retrieved from discovery");
                            result.set(service);
                            serviceFound = true;
                            break;
                        }
                    }

                    if (!serviceFound) {
                        NoSuchElementException noSuchElementException = new NoSuchElementException(
                                "The " + capability + " capability was not found in the user services.");
                        Log.e(TAG, "getServiceInfo - " + noSuchElementException.getMessage());
                        result.setException(noSuchElementException);
                    }
                }

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

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From source file:org.opendaylight.usc.manager.UscShardServiceImpl.java

@Override
public void write(LogicalDatastoreType type, final InstanceIdentifier<DataObject> id, final DataObject data) {
    if (dataProvider == null) {
        LOG.error("Data Service is not initialized!");
        return;//from  w  w w . j ava  2s.  c o m
    }
    writeTransaction = dataProvider.newWriteOnlyTransaction();
    writeTransaction.put(type, id, data);

    Futures.addCallback(writeTransaction.submit(), new FutureCallback<Void>() {
        @Override
        public void onSuccess(final Void result) {
            LOG.trace("Successfully write [{}]", data.toString());
        }

        @Override
        public void onFailure(final Throwable t) {
            LOG.error(String.format("Failed to write [%s]", data.toString()), t);
        }
    });
}

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From source file:org.opendaylight.netconf.topology.singleton.impl.RemoteOperationTxProcessorImpl.java

@Override
public void doSubmit(final ActorRef recipient, final ActorRef sender) {
    currentUser = null;/*  w w  w.  jav  a2 s .c o  m*/
    if (writeTx != null) {
        CheckedFuture<Void, TransactionCommitFailedException> submitFuture = writeTx.submit();
        Futures.addCallback(submitFuture, new FutureCallback<Void>() {
            @Override
            public void onSuccess(Void result) {
                recipient.tell(new SubmitReply(), sender);
            }

            @Override
            public void onFailure(@Nonnull Throwable throwable) {
                recipient.tell(throwable, sender);
            }
        });
    } else {
        recipient.tell(new SubmitFailedReply(), sender);
        LOG.warn("{}: Couldn't submit transaction because it was already closed.", id);
    }
}

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From source file:org.opendaylight.atrium.bgprouter.impl.DeviceListener.java

@Override
public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
    Map<InstanceIdentifier<?>, DataObject> createdData = change.getCreatedData();

    for (Map.Entry<InstanceIdentifier<?>, DataObject> entrySet : createdData.entrySet()) {

        InstanceIdentifier<?> iiD = entrySet.getKey();
        final DataObject dataObject = entrySet.getValue();

        if (dataObject instanceof FlowCapableNode) {
            final InstanceIdentifier<Node> path = iiD.firstIdentifierOf(Node.class);

            ReadOnlyTransaction readOnlyTransaction = dataBroker.newReadOnlyTransaction();
            final CheckedFuture<Optional<Node>, ReadFailedException> readFuture = readOnlyTransaction
                    .read(LogicalDatastoreType.OPERATIONAL, path);
            Futures.addCallback(readFuture, new FutureCallback<Optional<Node>>() {
                @Override/*from www .ja  v  a2s.c o  m*/
                public void onSuccess(Optional<Node> result) {
                    if (result.isPresent()) {
                        bgpRouter.processNodeAdd(result.get().getId());
                        LOG.info("Node discovered and passed to processNodeAdd : " + result.get().getId());
                    } else {
                        LOG.info("Read succeeded, node doesn't exist: {}", path);
                    }
                }

                @Override
                public void onFailure(Throwable t) {
                    LOG.info("Failed to read Node: {}", path, t);
                }
            });
        }
    }
}

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From source file:org.hawkular.metrics.api.jaxrs.handler.CounterHandler.java

@POST
@Path("/{group}/{counter}")
@ApiOperation(value = "Increase value of a counter", hidden = true)
public void updateCounter(@Suspended final AsyncResponse asyncResponse, @PathParam("group") String group,
        @PathParam("counter") String counter) {
    ListenableFuture<Void> future = metricsService
            .updateCounter(new Counter(DEFAULT_TENANT_ID, group, counter, 1L));
    Futures.addCallback(future, new NoDataCallback<>(asyncResponse));
}

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From source file:com.microsoft.tooling.msservices.serviceexplorer.RefreshableNode.java

public ListenableFuture<List<Node>> load() {
    final RefreshableNode node = this;
    final SettableFuture<List<Node>> future = SettableFuture.create();

    DefaultLoader.getIdeHelper().runInBackground(getProject(), "Loading " + getName() + "...", false, true,
            null, new Runnable() {
                @Override// w ww  .  j a va 2s.com
                public void run() {
                    final String nodeName = node.getName();
                    node.setName(nodeName + " (Refreshing...)");

                    Futures.addCallback(future, new FutureCallback<List<Node>>() {
                        @Override
                        public void onSuccess(List<Node> nodes) {
                            updateName(null);
                        }

                        @Override
                        public void onFailure(Throwable throwable) {
                            updateName(throwable);
                        }

                        private void updateName(final Throwable throwable) {
                            DefaultLoader.getIdeHelper().invokeLater(new Runnable() {
                                @Override
                                public void run() {
                                    node.setName(nodeName);

                                    if (throwable != null) {
                                        DefaultLoader.getUIHelper().showException(
                                                "An error occurred while attempting " + "to load "
                                                        + node.getName() + ".",
                                                throwable, "MS Services - Error Loading " + node.getName(),
                                                false, true);
                                    }
                                }
                            });
                        }
                    });

                    node.refreshItems(future);
                }
            });

    return future;
}

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