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

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:org.jclouds.blobstore.util.BlobStoreUtils.java

public static ListenableFuture<Void> createParentIfNeededAsync(AsyncBlobStore asyncBlobStore, String container,
        Blob blob) {//w ww. j  a  va2 s. com
    checkNotNull(asyncBlobStore, "asyncBlobStore");
    checkNotNull(container, "container");

    String name = blobName.apply(blob);
    if (name.indexOf('/') > 0) {
        return asyncBlobStore.createDirectory(container, parseDirectoryFromPath(name));
    } else {
        return Futures.immediateFuture(null);
    }
}

From source file:org.apache.qpid.server.security.AllowAllAccessControlProviderImpl.java

@StateTransition(currentState = { State.UNINITIALIZED, State.QUIESCED,
        State.ERRORED }, desiredState = State.ACTIVE)
@SuppressWarnings("unused")
private ListenableFuture<Void> activate() {

    setState(_broker.isManagementMode() ? State.QUIESCED : State.ACTIVE);
    return Futures.immediateFuture(null);
}

From source file:org.eclipse.neoscada.protocol.iec60870.server.data.AbstractBaseDataModel.java

protected synchronized ListenableFuture<Void> disposeSubscription(final DefaultSubscription subscription) {
    this.subscriptions.remove(subscription);
    this.numberOfSubscriptions = this.subscriptions.size();

    if (this.executor.isShutdown()) {
        // if we are already disposed
        return Futures.immediateFuture(null);
    }/*from   w  w w  . ja  v a  2s.c om*/

    // the completion will come from the executor, so the completion has to wait in line
    // with possible remaining updated
    return this.executor.submit(() -> null);
}

From source file:com.facebook.presto.operator.index.IndexLookupSourceSupplier.java

@Override
public ListenableFuture<LookupSource> getLookupSource(OperatorContext operatorContext) {
    IndexLoader indexLoader = indexLoaderSupplier.get();
    indexLoader.setContext(operatorContext.getDriverContext().getPipelineContext().getTaskContext());
    return Futures.immediateFuture(new IndexLookupSource(indexLoader));
}

From source file:org.mule.module.extension.internal.runtime.ReflectiveMethodOperationExecutor.java

/**
 * {@inheritDoc}/*w w  w  .  j  a va  2s. c o  m*/
 */
@Override
public Future<Object> execute(OperationContext operationContext) throws Exception {
    Object result = invokeMethod(operationMethod, executorDelegate, getParameterValues(operationContext));
    return Futures.immediateFuture(returnDelegate.asReturnValue(result, operationContext));
}

From source file:io.v.impl.google.rpc.ClientCallImpl.java

@Override
public ListenableFuture<Object[]> finish(final Type[] types) {
    ListenableFutureCallback<byte[][]> callback = new ListenableFutureCallback<>();
    nativeFinish(nativeRef, types.length, callback);
    return VFutures.withUserLandChecks(ctx,
            Futures.transform(callback.getVanillaFuture(), new AsyncFunction<byte[][], Object[]>() {
                @Override//ww  w . jav  a  2  s  .  c o m
                public ListenableFuture<Object[]> apply(byte[][] vomResults) throws Exception {
                    if (vomResults.length != types.length) {
                        throw new VException(String.format("Mismatch in number of results, want %s, have %s",
                                types.length, vomResults.length));
                    }
                    // VOM-decode results.
                    Object[] ret = new Object[types.length];
                    for (int i = 0; i < types.length; i++) {
                        ret[i] = VomUtil.decode(vomResults[i], types[i]);
                    }
                    return Futures.immediateFuture(ret);
                }
            }));
}

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

@Override
public Future<Boolean> delete(Object key, long millisNoReAdd) {
    return Futures.immediateFuture(memcacheService.delete(key, millisNoReAdd));
}

From source file:org.thingsboard.server.service.script.AbstractJsInvokeService.java

@Override
public ListenableFuture<Void> release(UUID scriptId) {
    String functionName = scriptIdToNameMap.get(scriptId);
    if (functionName != null) {
        try {/*  www.  ja  v  a  2  s  .  co  m*/
            scriptIdToNameMap.remove(scriptId);
            blackListedFunctions.remove(scriptId);
            doRelease(scriptId, functionName);
        } catch (Exception e) {
            return Futures.immediateFailedFuture(e);
        }
    }
    return Futures.immediateFuture(null);
}

From source file:org.thingsboard.server.dao.sql.attributes.JpaAttributeDao.java

@Override
public ListenableFuture<List<AttributeKvEntry>> find(TenantId tenantId, EntityId entityId, String attributeType,
        Collection<String> attributeKeys) {
    List<AttributeKvCompositeKey> compositeKeys = attributeKeys.stream()
            .map(attributeKey -> getAttributeKvCompositeKey(entityId, attributeType, attributeKey))
            .collect(Collectors.toList());
    return Futures.immediateFuture(
            DaoUtil.convertDataList(Lists.newArrayList(attributeKvRepository.findAll(compositeKeys))));
}

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

@StateTransition(currentState = { State.ACTIVE }, desiredState = State.DELETED)
private ListenableFuture<Void> doDelete() {
    _authenticationManager.getUserMap().remove(getName());
    deleted();// www  .j a va 2 s .  com
    return Futures.immediateFuture(null);
}