Example usage for com.google.common.collect ImmutableSet builder

Introduction

In this page you can find the example usage for com.google.common.collect ImmutableSet builder.

Prototype

public static <E> Builder<E> builder()

Source Link

Usage

From source file:com.jgaap.eventCullers.LeastCommonEvents.java

@Override
public Set<Event> train(List<EventSet> eventSets) {
    int numEvents = getParameter("numEvents", 50);
    EventHistogram histogram = new EventHistogram();
    for (EventSet eventSet : eventSets) {
        for (Event event : eventSet) {
            histogram.add(event);//from  ww w.  j  av  a  2 s . co m
        }
    }
    List<Pair<Event, Integer>> eventFrequencies = histogram.getSortedHistogram();
    Collections.reverse(eventFrequencies);
    ImmutableSet.Builder<Event> builder = ImmutableSet.builder();
    int count = 0;
    for (Pair<Event, Integer> eventPair : eventFrequencies) {
        count++;
        builder.add(eventPair.getFirst());
        if (numEvents <= count) {
            break;
        }
    }
    return builder.build();
}

From source file:com.facebook.buck.apple.XcodeRuleConfiguration.java

/**
 * Convert from a raw json representation of the Configuration to an actual Configuration object.
 *
 * @param configurations/*w  ww  . j  av a2 s  .c  o  m*/
 *    A map of configuration names to lists, where each each element is a layer of the
 *    configuration. Each layer can be specified as a path to a .xcconfig file, or a dictionary of
 *    xcode build settings.
 */
public static ImmutableSet<XcodeRuleConfiguration> fromRawJsonStructure(
        ImmutableMap<String, ImmutableList<Either<Path, ImmutableMap<String, String>>>> configurations) {
    ImmutableSet.Builder<XcodeRuleConfiguration> builder = ImmutableSet.builder();
    for (ImmutableMap.Entry<String, ImmutableList<Either<Path, ImmutableMap<String, String>>>> entry : configurations
            .entrySet()) {
        ImmutableList.Builder<Layer> layers = ImmutableList.builder();
        for (Either<Path, ImmutableMap<String, String>> value : entry.getValue()) {
            if (value.isLeft()) {
                layers.add(new Layer(value.getLeft()));
            } else if (value.isRight()) {
                layers.add(new Layer(value.getRight()));
            }
        }
        builder.add(new XcodeRuleConfiguration(entry.getKey(), layers.build()));
    }
    return builder.build();
}

From source file:com.facebook.presto.sql.planner.iterative.rule.PruneWindowColumns.java

@Override
protected Optional<PlanNode> pushDownProjectOff(PlanNodeIdAllocator idAllocator, WindowNode windowNode,
        Set<Symbol> referencedOutputs) {
    Map<Symbol, WindowNode.Function> referencedFunctions = Maps.filterKeys(windowNode.getWindowFunctions(),
            referencedOutputs::contains);

    if (referencedFunctions.isEmpty()) {
        return Optional.of(windowNode.getSource());
    }/*ww  w. j  av a  2 s  .c om*/

    ImmutableSet.Builder<Symbol> referencedInputs = ImmutableSet
            .<Symbol>builder().addAll(windowNode.getSource().getOutputSymbols().stream()
                    .filter(referencedOutputs::contains).iterator())
            .addAll(windowNode.getPartitionBy()).addAll(windowNode.getOrderBy());

    windowNode.getHashSymbol().ifPresent(referencedInputs::add);

    for (WindowNode.Function windowFunction : referencedFunctions.values()) {
        referencedInputs.addAll(SymbolsExtractor.extractUnique(windowFunction.getFunctionCall()));
        windowFunction.getFrame().getStartValue().ifPresent(referencedInputs::add);
        windowFunction.getFrame().getEndValue().ifPresent(referencedInputs::add);
    }

    PlanNode prunedWindowNode = new WindowNode(windowNode.getId(),
            restrictOutputs(idAllocator, windowNode.getSource(), referencedInputs.build())
                    .orElse(windowNode.getSource()),
            windowNode.getSpecification(), referencedFunctions, windowNode.getHashSymbol(),
            windowNode.getPrePartitionedInputs(), windowNode.getPreSortedOrderPrefix());

    if (prunedWindowNode.getOutputSymbols().size() == windowNode.getOutputSymbols().size()) {
        // Neither function pruning nor input pruning was successful.
        return Optional.empty();
    }

    return Optional.of(prunedWindowNode);
}

From source file:com.google.doubleclick.openrtb.ExpandableDirectionMapper.java

public static ImmutableSet<Integer> toDoubleClick(List<ExpandableDirection> openrtbList) {
    boolean left = false, right = false, up = false, down = false;
    for (ExpandableDirection openrtb : openrtbList) {
        switch (openrtb) {
        case LEFT:
            left = true;//from w  ww. j ava2  s.c o m
            break;
        case RIGHT:
            right = true;
            break;
        case UP:
            up = true;
            break;
        case DOWN:
            down = true;
            break;
        default:
        }
    }
    ImmutableSet.Builder<Integer> dcSet = ImmutableSet.builder();
    if (!left) {
        dcSet.add(15 /* ExpandingDirection: ExpandingLeft */);
    }
    if (!right) {
        dcSet.add(16 /* ExpandingDirection: ExpandingRight */);
    }
    if (!up) {
        dcSet.add(13 /* ExpandingDirection: ExpandingUp */);
    }
    if (!down) {
        dcSet.add(14 /* ExpandingDirection: ExpandingDown */);
    }
    return dcSet.build();
}

From source file:com.google.gerrit.server.config.AdministrateServerGroupsProvider.java

@Inject
public AdministrateServerGroupsProvider(GroupBackend groupBackend, @GerritServerConfig Config config,
        ThreadLocalRequestContext threadContext, ServerRequestContext serverCtx) {
    RequestContext ctx = threadContext.setContext(serverCtx);
    try {//from   www  .j  av a 2s .c om
        ImmutableSet.Builder<GroupReference> builder = ImmutableSet.builder();
        for (String value : config.getStringList("capability", null, "administrateServer")) {
            PermissionRule rule = PermissionRule.fromString(value, false);
            String name = rule.getGroup().getName();
            GroupReference g = GroupBackends.findBestSuggestion(groupBackend, name);
            if (g != null) {
                builder.add(g);
            } else {
                Logger log = LoggerFactory.getLogger(getClass());
                log.warn("Group \"{}\" not available, skipping.", name);
            }
        }
        groups = builder.build();
    } finally {
        threadContext.setContext(ctx);
    }
}

From source file:org.lanternpowered.server.block.trait.LanternIntegerTrait.java

/**
 * Creates a new integer trait with the specified name and the possible values.
 * //www.ja va 2  s . c o m
 * <p>The possible values array may not be empty.</p>
 * 
 * @param name the name
 * @param key the key that should be attached to the trait
 * @param possibleValues the possible values
 * @return the integer trait
 */
public static IntegerTrait of(String name, Key<? extends Value<Integer>> key, int... possibleValues) {
    checkNotNullOrEmpty(name, "name");
    checkNotNull(possibleValues, "possibleValues");
    checkNotNull(key, "key");
    checkState(possibleValues.length != 0, "possibleValues may not be empty");
    ImmutableSet.Builder<Integer> builder = ImmutableSet.builder();
    for (int possibleValue : possibleValues) {
        builder.add(possibleValue);
    }
    return new LanternIntegerTrait(name, key, builder.build());
}

From source file:com.facebook.buck.core.rules.transformer.impl.FetchTargetNodeToBuildRuleTransformer.java

public FetchTargetNodeToBuildRuleTransformer(ImmutableSet<DescriptionWithTargetGraph<?>> descriptions) {
    this.descriptions = descriptions;

    this.downloadableTargets = ImmutableSet.builder();
    this.delegate = new DefaultTargetNodeToBuildRuleTransformer();
}

From source file:uk.co.lucasweb.stream.ImmutableSetCollector.java

@Override
public Function<ImmutableSet.Builder<E>, ImmutableSet<E>> finisher() {
    return ImmutableSet.Builder::build;
}

From source file:org.jclouds.googlecomputeengine.compute.functions.FirewallToIpPermission.java

@Override
public Iterable<IpPermission> apply(Firewall fw) {
    ImmutableSet.Builder setBuilder = ImmutableSet.builder();

    for (Rule rule : fw.getAllowed()) {
        if (!rule.getPorts().isEmpty()) {
            for (Range<Integer> r : rule.getPorts().asRanges()) {
                IpPermission.Builder builder = populateBuilder(fw, rule.getIpProtocol());
                builder.fromPort(r.lowerEndpoint());
                builder.toPort(r.upperEndpoint());
                setBuilder.add(builder.build());
            }// w w  w  .  j  av  a 2s.c om
        } else {
            setBuilder.add(populateBuilder(fw, rule.getIpProtocol()).build());
        }
    }

    return setBuilder.build();
}

From source file:uk.ac.ebi.atlas.model.baseline.Factor.java

public Factor(String header, String value, OntologyTerm... valueOntologyTerms) {
    this.header = header;
    this.type = normalize(checkNotNull(header));
    this.value = checkNotNull(value);
    this.valueOntologyTerms = new ImmutableSet.Builder<OntologyTerm>().add(valueOntologyTerms).build();
}