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

List of usage examples for com.google.common.util.concurrent Futures immediateFuture

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Introduction

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

Prototype

@CheckReturnValue
public static <V> ListenableFuture<V> immediateFuture(@Nullable V value)

Source Link

Document

Creates a ListenableFuture which has its value set immediately upon construction.

Usage

From source file:com.torodb.torod.db.metaInf.DefaultDbMetaInformationCache.java

@Override
public void shutdown() {
    Futures.immediateFuture(null);
}

From source file:com.google.wave.splash.auth.oauth.OAuthRequestFactory.java

@Override
public ListenableFuture<String> makeSignedRequest(String body) {
    SessionContext session = sessionProvider.get();
    InputStream bodyStream;/*from   ww w .java2s .  c om*/
    try {
        bodyStream = new ByteArrayInputStream(body.getBytes("UTF-8"));
    } catch (UnsupportedEncodingException e) {
        throw new IllegalStateException(e);
    }

    String result = null;
    try {
        InputStream output;
        if (session.isAuthenticated()) {
            output = getSignedResult(session, bodyStream);
        } else {
            output = getUnsignedResult(body, bodyStream);
        }
        result = CharStreams.toString(new InputStreamReader(output, HttpMessage.DEFAULT_CHARSET));
    } catch (URISyntaxException e) {
        LOG.warning(e.toString());
    } catch (OAuthException e) {
        LOG.warning(e.toString());
    } catch (IOException e) {
        LOG.severe(e.toString());
    }
    return Futures.immediateFuture(result);
}

From source file:com.facebook.buck.core.build.engine.cache.manager.BuildCacheArtifactFetcher.java

public ListenableFuture<CacheResult> tryToFetchArtifactFromBuildCacheAndOverlayOnTopOfProjectFilesystem(
        RuleKey ruleKey, ArtifactCache artifactCache, ProjectFilesystem filesystem) {
    if (!rule.isCacheable()) {
        return Futures.immediateFuture(CacheResult.ignored());
    }//from w ww  . j a v  a  2  s  .c  o m

    // Create a temp file whose extension must be ".zip" for Filesystems.newFileSystem() to infer
    // that we are creating a zip-based FileSystem.
    LazyPath lazyZipPath = new LazyPath() {
        @Override
        protected Path create() throws IOException {
            return Files.createTempFile(
                    "buck_artifact_" + MostFiles.sanitize(rule.getBuildTarget().getShortName()), ".zip");
        }
    };

    // TODO(mbolin): Change ArtifactCache.fetch() so that it returns a File instead of takes one.
    // Then we could download directly from the remote cache into the on-disk cache and unzip it
    // from there.
    return Futures.transformAsync(fetch(artifactCache, ruleKey, lazyZipPath), cacheResult -> {
        try (Scope ignored = buildRuleScope()) {
            // Verify that the rule key we used to fetch the artifact is one of the rule keys
            // reported in it's metadata.
            if (cacheResult.getType().isSuccess()) {
                ImmutableSet<RuleKey> ruleKeys = RichStream.from(cacheResult.getMetadata().entrySet())
                        .filter(e -> BuildInfo.RULE_KEY_NAMES.contains(e.getKey())).map(Map.Entry::getValue)
                        .map(RuleKey::new).toImmutableSet();
                if (!ruleKeys.contains(ruleKey)) {
                    LOG.warn("%s: rule keys in artifact don't match rule key used to fetch it: %s not in %s",
                            rule.getBuildTarget(), ruleKey, ruleKeys);
                }
            }

            return Futures.immediateFuture(
                    extractArtifactFromCacheResult(ruleKey, lazyZipPath, filesystem, cacheResult));
        }
    });
}

From source file:org.opendaylight.lispflowmapping.southbound.LispSouthboundRPC.java

@Override
public Future<RpcResult<Void>> sendMapReply(SendMapReplyInput mapReplyInput) {
    LOG.trace("sendMapReply called!!");
    if (mapReplyInput != null) {
        ByteBuffer outBuffer = MapReplySerializer.getInstance().serialize(mapReplyInput.getMapReply());
        lispSbPlugin.handleSerializedLispBuffer(mapReplyInput.getTransportAddress(), outBuffer,
                MessageType.MapReply);/*from  w  w w  .  java 2 s.  c om*/
    } else {
        LOG.warn("MapReply was null");
        return Futures.immediateFuture(RpcResultBuilder.<Void>failed().build());
    }
    return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
}

From source file:org.opendaylight.openflowplugin.legacy.sal.compatibility.adsal.FlowServiceAdapter.java

@Override
public ListenableFuture<RpcResult<AddFlowOutput>> addFlow(AddFlowInput input) {

    Flow flow = ToSalConversionsUtils.toFlow(input, null);
    @SuppressWarnings("unchecked")
    org.opendaylight.controller.sal.core.Node node = InventoryMapping
            .toAdNode((InstanceIdentifier<Node>) input.getNode().getValue());
    Status status = delegate.addFlowAsync(node, flow);
    AddFlowOutputBuilder builder = new AddFlowOutputBuilder();
    builder.setTransactionId(new TransactionId(BigInteger.valueOf(status.getRequestId())));
    AddFlowOutput rpcResultType = builder.build();
    return Futures.immediateFuture(
            RpcResultBuilder.<AddFlowOutput>status(status.isSuccess()).withResult(rpcResultType).build());
}

From source file:org.opendaylight.topomanager.impl.BierTopologyProcess.java

@Override
public ListenableFuture<T> call() throws Exception {
    T object = mtT;// w  w  w . ja v  a2  s .  c o m
    //try
    {
        BierTopologyOperation op = mqueTopoOperation.take();
        final ReadWriteTransaction tx = this.mcDataBroker.newReadWriteTransaction();
        int ops = 0;

        do {
            if (0 == miProcessFlag) {
                ListenableFuture<Optional<T>> readResult = op.readOperation(tx);
                //try
                {
                    object = readResult.get().get();
                }
                /*catch (Exception e) {
                LOG.error("Read Data failed", e);
                }*/
            } else {
                op.writeOperation(tx);

                //try
                {
                    tx.submit().checkedGet();
                }
                /*catch (final TransactionCommitFailedException e) {
                tObject = null;
                LOG.warn("Stat DataStoreOperation unexpected State!", e);
                //m_cTxChain.close();
                //m_cTxChain = m_cDataBroker.createTransactionChain(this);
                }*/
            }

            ops++;
            if (ops < MAX_TRANSACTION_OPERATIONS) {
                op = mqueTopoOperation.poll();
            } else {
                op = null;
            }

        } while (op != null);

    }
    /*catch (final Exception e) {
    LOG.warn("Stat DataStore Operation executor fail!", e);
    }*/

    cleanDataStoreOperQueue();

    return Futures.immediateFuture(object);
}

From source file:eu.point.bootstrapping.impl.BootstrappingServiceImpl.java

/**
 * The method which configures the client of the TM-SDN interface.
 * It receives as input the TM IP address and port.
 * @param input The TM configuration input, including parameters such as server ip, port, node id, lid and ilid.
 * @return It returns a void future result.
 * @see ConfigureTmInput//w w w .ja  va2s  . co  m
 */
@Override
public Future<RpcResult<Void>> configureTm(ConfigureTmInput input) {
    LOG.info("Received input {}.", input);
    Client.serverIP = input.getTmIp();
    Client.tcpPort = input.getTmPort();
    IcnIdConfigurator.tmOpenflowId = input.getTmOpenflowId();
    IcnIdConfigurator.tmAttachedOpenflowSwitchId = input.getTmAttachedSwitchId();
    IcnIdConfigurator.tmNodeId = input.getTmNodeId();
    IcnIdConfigurator.tmLidPosition = input.getTmLid();
    IcnIdConfigurator.tmInternalLidPosition = input.getTmInternalLid();

    //Adding input to the registries
    BootstrappingServiceImpl.assignedNodeIds.put(IcnIdConfigurator.tmOpenflowId, IcnIdConfigurator.tmNodeId);
    NodeRegistryUtils.getInstance().writeToNodeRegistry(new NodeRegistryEntryBuilder()
            .setNoneName(IcnIdConfigurator.tmOpenflowId).setNoneId(IcnIdConfigurator.tmNodeId).build());

    BootstrappingServiceImpl.assignedLinkIds.put(
            IcnIdConfigurator.tmOpenflowId + "," + IcnIdConfigurator.tmAttachedOpenflowSwitchId,
            IcnIdConfigurator.generateLid(IcnIdConfigurator.tmLidPosition));
    LinkRegistryUtils.getInstance().writeToLinkRegistry(new LinkRegistryEntryBuilder()
            .setLinkName(IcnIdConfigurator.tmOpenflowId + "," + IcnIdConfigurator.tmAttachedOpenflowSwitchId)
            .setLinkId(IcnIdConfigurator.generateLid(IcnIdConfigurator.tmLidPosition)).build());
    return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
}

From source file:com.google.api.server.spi.config.datastore.testing.FakeAsyncMemcacheService.java

@Override
public Future<Stats> getStatistics() {
    return Futures.immediateFuture(memcacheService.getStatistics());
}

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

public ProjectConfigRule(BuildRuleParams buildRuleParams, @Nullable BuildRule srcRule,
        @Nullable List<String> srcRoots, @Nullable BuildRule testRule, @Nullable List<String> testRoots,
        boolean isIntelliJPlugin) {
    super(buildRuleParams);
    Preconditions.checkArgument(srcRule != null || testRule != null,
            "At least one of src_target or test_target must be specified in %s.",
            buildRuleParams.getBuildTarget().getFullyQualifiedName());
    Preconditions.checkArgument(testRule == null || testRule.getType().isTestRule(),
            "The test_target for a project_config() must correspond to a test rule, if specified, "
                    + "but was %s.",
            testRule);/*from w  w  w.j  ava 2  s. c o m*/

    this.srcRule = srcRule;
    if (srcRoots != null) {
        this.srcSourceRoots = ImmutableList
                .copyOf(Iterables.transform(srcRoots, new Function<String, SourceRoot>() {
                    @Override
                    public SourceRoot apply(String srcRoot) {
                        return new SourceRoot(srcRoot);
                    }
                }));
    } else {
        this.srcSourceRoots = null;
    }

    this.testRule = testRule;
    if (testRoots != null) {
        this.testsSourceRoots = ImmutableList
                .copyOf(Iterables.transform(testRoots, new Function<String, SourceRoot>() {
                    @Override
                    public SourceRoot apply(String testRoot) {
                        return new SourceRoot(testRoot);
                    }
                }));
    } else {
        this.testsSourceRoots = null;
    }

    this.isIntelliJPlugin = isIntelliJPlugin;

    BuildRuleSuccess buildRuleSuccess = new BuildRuleSuccess(this, SUCCESS_TYPE);
    this.buildOutput = Futures.immediateFuture(buildRuleSuccess);
}

From source file:org.apache.qpid.server.txn.AsyncAutoCommitTransaction.java

public void dequeue(MessageEnqueueRecord record, Action postTransactionAction) {
    Transaction txn = null;/*w  w w  . j a  va2  s  .c  om*/
    try {
        ListenableFuture<Void> future;
        if (record != null) {
            _logger.debug("Dequeue of message number {} from transaction log. Queue : {}",
                    record.getMessageNumber(), record.getQueueId());

            txn = _messageStore.newTransaction();
            txn.dequeueMessage(record);
            future = txn.commitTranAsync((Void) null);

            txn = null;
        } else {
            future = Futures.immediateFuture(null);
        }
        addFuture(future, postTransactionAction);
        postTransactionAction = null;
    } finally {
        rollbackIfNecessary(postTransactionAction, txn);
    }

}