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

Introduction

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

Prototype

@Beta
@CheckReturnValue
public static <V> ListenableFuture<List<V>> allAsList(
        Iterable<? extends ListenableFuture<? extends V>> futures)

Source Link

Document

Creates a new ListenableFuture whose value is a list containing the values of all its input futures, if all succeed.

Usage

From source file:c5db.ConcurrencyTestUtil.java

private static void waitForAll(List<ListenableFuture<Boolean>> futures) throws Exception {
    Futures.allAsList(futures).get();
}

From source file:com.google.idea.blaze.base.prefetch.PrefetchServiceImpl.java

@Override
public ListenableFuture<?> prefetchFiles(Project project, Collection<File> files) {
    List<ListenableFuture<?>> futures = Lists.newArrayList();
    for (Prefetcher prefetcher : Prefetcher.EP_NAME.getExtensions()) {
        futures.add(prefetcher.prefetchFiles(project, files, FetchExecutor.EXECUTOR));
    }// www. j  a  va  2s.c o m
    return Futures.allAsList(futures);
}

From source file:com.google.gapid.models.ConstantSets.java

public ListenableFuture<List<Service.ConstantSet>> loadConstants(Service.Command cmd) {
    List<ListenableFuture<Service.ConstantSet>> sets = Lists.newArrayList();
    for (Service.Parameter param : cmd.getParametersList()) {
        if (param.hasConstants()) {
            sets.add(cache.get(param.getConstants()));
        }/*from   w  w w  . java  2s.  c o  m*/
    }
    return Futures.allAsList(sets);
}

From source file:org.robotninjas.concurrent.FluentFutures.java

/**
 *
 * @param executor/*  w  w w  .  j  av a 2s  . co  m*/
 * @param futures
 * @param <Y>
 * @return
 */
@SafeVarargs
public static <Y> FluentFuture<List<Y>> from(Executor executor, ListenableFuture<Y>... futures) {
    return new FluentDecorator<>(Futures.allAsList(Arrays.asList(futures)), executor);
}

From source file:com.facebook.presto.operator.ParallelLookupSourceSupplier.java

public ParallelLookupSourceSupplier(List<Type> types, List<Integer> hashChannels,
        List<? extends ListenableFuture<SharedLookupSource>> partitions) {
    this.types = ImmutableList.copyOf(requireNonNull(types, "types is null"));
    this.partitions = requireNonNull(partitions, "partitions is null");

    hashChannelTypes = hashChannels.stream().map(types::get).collect(toImmutableList());

    checkArgument(Integer.bitCount(partitions.size()) == 1, "partitions must be a power of 2");
    lookupSourceFuture = Futures.transform(Futures.allAsList(partitions), (List<SharedLookupSource> input) -> {
        return new PartitionedLookupSource(input, hashChannelTypes);
    });/*from ww w  .j  ava 2 s . c om*/

}

From source file:com.google.devtools.build.lib.concurrent.MoreFutures.java

/**
 * Creates a new {@code ListenableFuture} whose value is a list containing the
 * values of all its input futures, if all succeed. If any input fails, the
 * returned future fails. If any of the futures fails, it cancels all the other futures.
 *
 * <p> This method is similar to {@code Futures.allAsList} but additionally it cancels all the
 * futures in case any of them fails.//from  w w  w.  ja v  a2s. c  om
 */
public static <V> ListenableFuture<List<V>> allAsListOrCancelAll(
        final Iterable<? extends ListenableFuture<? extends V>> futures) {
    ListenableFuture<List<V>> combinedFuture = Futures.allAsList(futures);
    Futures.addCallback(combinedFuture, new FutureCallback<List<V>>() {
        @Override
        public void onSuccess(@Nullable List<V> vs) {
        }

        /**
         * In case of a failure of any of the futures (that gets propagated to combinedFuture) we
         * cancel all the futures in the list.
         */
        @Override
        public void onFailure(Throwable ignore) {
            for (ListenableFuture<? extends V> future : futures) {
                future.cancel(true);
            }
        }
    });
    return combinedFuture;
}

From source file:com.datastax.driver.mapping.AccessorMapper.java

void prepare(MappingManager manager) {
    List<ListenableFuture<PreparedStatement>> statements = new ArrayList<ListenableFuture<PreparedStatement>>(
            methods.size());/*  w  w w.j a v a2 s .  co m*/

    for (MethodMapper method : methods)
        statements.add(manager.getSession().prepareAsync(method.queryString));

    try {
        List<PreparedStatement> preparedStatements = Futures.allAsList(statements).get();
        for (int i = 0; i < methods.size(); i++)
            methods.get(i).prepare(manager, preparedStatements.get(i));
    } catch (Exception e) {
        throw new RuntimeException("Error preparing queries for accessor " + daoClass.getSimpleName(), e);
    }
}

From source file:com.android.tools.idea.run.DeviceFutures.java

/** @return the target devices, if all are now ready. Otherwise, null. */
@Nullable/*from   w  w w . j av  a2  s. co  m*/
public List<IDevice> getIfReady() {
    List<ListenableFuture<IDevice>> devices = get();

    for (ListenableFuture<IDevice> deviceFuture : devices) {
        if (!deviceFuture.isDone() || deviceFuture.isCancelled()) {
            return null;
        }
    }

    try {
        return Futures.getChecked(Futures.allAsList(devices), ExecutionException.class);
    } catch (Exception e) {
        // This can happen if the process behind the future threw an exception.
        return null;
    }
}

From source file:io.crate.executor.transport.task.UpdateTask.java

@Override
public void start() {
    if (subTasks.size() == 0) {
        result.set(RowCountResult.EMPTY_RESULT);
        return;//from   www.jav a 2s.  c  o m
    }
    final List<ListenableFuture<TaskResult>> subTasksResult = transportExecutor.execute(subTasks);
    Futures.addCallback(Futures.allAsList(subTasksResult), new FutureCallback<List<TaskResult>>() {
        @Override
        public void onSuccess(@Nullable List<TaskResult> results) {
            if (results == null) {
                result.setException(new NullPointerException());
                return;
            }
            assert results.size() == 1 : "Last sub-task is expected to have 1 result only";
            result.set(new RowCountResult(((Number) results.get(0).rows()[0][0]).longValue()));
        }

        @Override
        public void onFailure(@Nonnull Throwable t) {
            if (t == null) {
                t = new NullPointerException();
            }
            result.setException(t);
        }
    });
}

From source file:io.crate.executor.transport.task.AbstractChainedTask.java

@Override
public void start() {
    if (!this.upstreamResult.isEmpty()) {
        Futures.addCallback(Futures.allAsList(this.upstreamResult), new FutureCallback<List<TaskResult>>() {
            @Override/* w w  w . j  ava  2 s  .  com*/
            public void onSuccess(@Nullable List<TaskResult> result) {
                doStart(result);
            }

            @Override
            public void onFailure(@Nonnull Throwable t) {
                throw new TaskExecutionException(AbstractChainedTask.this, t);
            }
        });
    } else {
        doStart(ImmutableList.<TaskResult>of());
    }
}