Example usage for com.google.common.collect ImmutableList size

List of usage examples for com.google.common.collect ImmutableList size

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Introduction

In this page you can find the example usage for com.google.common.collect ImmutableList size.

Prototype

int size();

Source Link

Document

Returns the number of elements in this list.

Usage

From source file:org.locationtech.geogig.geotools.plumbing.ExportDiffOp.java

private static Iterator<SimpleFeature> getFeatures(Iterator<DiffEntry> diffs, final boolean old,
        final ObjectDatabase database, final ObjectId metadataId, final ProgressListener progressListener) {

    final SimpleFeatureType featureType = addChangeTypeAttribute(database.getFeatureType(metadataId));
    final RevFeatureType revFeatureType = RevFeatureTypeImpl.build(featureType);
    final SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(featureType);

    Function<DiffEntry, SimpleFeature> asFeature = new Function<DiffEntry, SimpleFeature>() {

        @Override//from w w  w . ja  v  a 2s  .c o m
        @Nullable
        public SimpleFeature apply(final DiffEntry input) {
            NodeRef nodeRef = old ? input.getOldObject() : input.getNewObject();
            if (nodeRef == null) {
                return null;
            }
            final RevFeature revFeature = database.getFeature(nodeRef.objectId());
            ImmutableList<Optional<Object>> values = revFeature.getValues();
            for (int i = 0; i < values.size(); i++) {
                String name = featureType.getDescriptor(i + 1).getLocalName();
                Object value = values.get(i).orNull();
                featureBuilder.set(name, value);
            }
            featureBuilder.set(CHANGE_TYPE_NAME, input.changeType().name().charAt(0));
            Feature feature = featureBuilder.buildFeature(nodeRef.name());
            feature.getUserData().put(Hints.USE_PROVIDED_FID, true);
            feature.getUserData().put(RevFeature.class, revFeature);
            feature.getUserData().put(RevFeatureType.class, revFeatureType);

            if (feature instanceof SimpleFeature) {
                return (SimpleFeature) feature;
            }
            return null;
        }

    };

    Iterator<SimpleFeature> asFeatures = Iterators.transform(diffs, asFeature);

    UnmodifiableIterator<SimpleFeature> filterNulls = Iterators.filter(asFeatures, Predicates.notNull());

    return filterNulls;
}

From source file:com.google.errorprone.refaster.UPlaceholderExpression.java

static UPlaceholderExpression create(PlaceholderMethod placeholder, Iterable<? extends UExpression> arguments) {
    ImmutableList<UVariableDecl> placeholderParams = placeholder.parameters().asList();
    ImmutableList<UExpression> argumentsList = ImmutableList.copyOf(arguments);
    ImmutableMap.Builder<UVariableDecl, UExpression> builder = ImmutableMap.builder();
    for (int i = 0; i < placeholderParams.size(); i++) {
        builder.put(placeholderParams.get(i), argumentsList.get(i));
    }//from   w  w w.ja  v  a 2 s .  c om
    return new AutoValue_UPlaceholderExpression(placeholder, builder.build());
}

From source file:se.kth.climate.fast.netcdf.aligner.VariableFit.java

public static VariableFit fromDataDescriptors(ImmutableList<DataDescriptor> dds) {
    DataDescriptor firstDD = dds.get(0); // use first descriptor for records as that one has the largest number of records per variable
    ImmutableMap.Builder<String, Long> rfvb = ImmutableMap.builder();
    for (String varName : firstDD.vars) {
        rfvb.put(varName, firstDD.variableSize(varName));
    }/* w  w  w .  ja v a 2s. c o  m*/
    return new VariableFit(rfvb.build(), dds.size(), dds);
}

From source file:com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder.java

/**
 * Creates a nested set from a given list of items.
 *//*www.j a v  a 2 s .  co m*/
@SuppressWarnings("unchecked")
public static <E> NestedSet<E> wrap(Order order, Iterable<E> wrappedItems) {
    ImmutableList<E> wrappedList = ImmutableList.copyOf(wrappedItems);
    if (wrappedList.isEmpty()) {
        return order.emptySet();
    } else if (order == Order.STABLE_ORDER && wrappedList == wrappedItems && wrappedList.size() > 1) {
        NestedSet<?> cached = immutableListCache.get(wrappedList);
        if (cached != null) {
            return (NestedSet<E>) cached;
        }
        NestedSet<E> built = new NestedSetBuilder<E>(order).addAll(wrappedList).build();
        immutableListCache.putIfAbsent(wrappedList, built);
        return built;
    } else {
        return new NestedSetBuilder<E>(order).addAll(wrappedList).build();
    }
}

From source file:com.google.errorprone.refaster.UPlaceholderStatement.java

static UPlaceholderStatement create(PlaceholderMethod placeholder, Iterable<? extends UExpression> arguments,
        ControlFlowVisitor.Result implementationFlow) {
    ImmutableList<UVariableDecl> placeholderParams = placeholder.parameters().asList();
    ImmutableList<UExpression> argumentsList = ImmutableList.copyOf(arguments);
    ImmutableMap.Builder<UVariableDecl, UExpression> builder = ImmutableMap.builder();
    for (int i = 0; i < placeholderParams.size(); i++) {
        builder.put(placeholderParams.get(i), argumentsList.get(i));
    }// w ww  .  j a v  a 2s  .c  om
    return new AutoValue_UPlaceholderStatement(placeholder, builder.build(), implementationFlow);
}

From source file:org.eclipse.sw360.commonIO.TypeMappings.java

@NotNull
public static Map<Integer, Risk> getIntegerRiskMap(LicenseService.Iface licenseClient,
        Map<Integer, RiskCategory> riskCategoryMap, InputStream in, User user) throws TException {
    List<CSVRecord> riskRecords = ImportCSV.readAsCSVRecords(in);
    final List<Risk> risksToAdd = ConvertRecord.convertRisks(riskRecords, riskCategoryMap);
    final List<Risk> risks = CommonUtils.nullToEmptyList(licenseClient.getRisks());
    Map<Integer, Risk> riskMap = Maps.newHashMap(Maps.uniqueIndex(risks, getRiskIdentifier()));
    final ImmutableList<Risk> filteredList = getElementsWithIdentifiersNotInMap(getRiskIdentifier(), riskMap,
            risksToAdd);/* w  w  w  .j av a  2s . c  o  m*/
    List<Risk> addedRisks = null;
    if (filteredList.size() > 0) {
        addedRisks = licenseClient.addRisks(filteredList, user);
    }
    if (addedRisks != null)
        riskMap.putAll(Maps.uniqueIndex(addedRisks, getRiskIdentifier()));
    return riskMap;
}

From source file:org.eclipse.sw360.commonIO.TypeMappings.java

@NotNull
public static <T, U> Map<U, T> getIdentifierToTypeMapAndWriteMissingToDatabase(
        LicenseService.Iface licenseClient, InputStream in, Class<T> clazz, Class<U> uClass, User user)
        throws TException {
    Map<U, T> typeMap;/*  w  w w  .j a  va2  s. com*/
    List<CSVRecord> records = ImportCSV.readAsCSVRecords(in);
    final List<T> recordsToAdd = simpleConvert(records, clazz);
    final List<T> fullList = CommonUtils.nullToEmptyList(getAllFromDB(licenseClient, clazz));
    typeMap = Maps.newHashMap(Maps.uniqueIndex(fullList, getIdentifier(clazz, uClass)));
    final ImmutableList<T> filteredList = getElementsWithIdentifiersNotInMap(getIdentifier(clazz, uClass),
            typeMap, recordsToAdd);
    List<T> added = null;
    if (filteredList.size() > 0) {
        added = addAlltoDB(licenseClient, clazz, filteredList, user);
    }
    if (added != null)
        typeMap.putAll(Maps.uniqueIndex(added, getIdentifier(clazz, uClass)));
    return typeMap;
}

From source file:com.google.devtools.build.lib.query2.engine.BinaryOperatorExpression.java

/**
 * Evaluates an expression of the form "e1 + e2 + ... + eK" by evaluating all the subexpressions
 * in parallel./*from   w  w  w  .  j  ava 2s  . c  o  m*/
 */
private static <T> void parEvalPlus(ImmutableList<QueryExpression> operands, final QueryEnvironment<T> env,
        final VariableContext<T> context, final ThreadSafeCallback<T> callback, ForkJoinPool forkJoinPool)
        throws QueryException, InterruptedException {
    ArrayList<QueryTask> queryTasks = new ArrayList<>(operands.size());
    for (final QueryExpression operand : operands) {
        queryTasks.add(new QueryTask() {
            @Override
            public void execute() throws QueryException, InterruptedException {
                env.eval(operand, context, callback);
            }
        });
    }
    ParallelQueryUtils.executeQueryTasksAndWaitInterruptiblyFailFast(queryTasks, forkJoinPool);
}

From source file:com.facebook.buck.artifact_cache.ArtifactCaches.java

private static ArtifactCache newInstanceInternal(ArtifactCacheBuckConfig buckConfig, BuckEventBus buckEventBus,
        ProjectFilesystem projectFilesystem, Optional<String> wifiSsid,
        ListeningExecutorService httpWriteExecutorService, boolean distributedBuildModeEnabled) {
    ImmutableSet<ArtifactCacheBuckConfig.ArtifactCacheMode> modes = buckConfig.getArtifactCacheModes();
    if (modes.isEmpty()) {
        return new NoopArtifactCache();
    }//from   ww w. j a  v  a2 s .co m
    ImmutableList.Builder<ArtifactCache> builder = ImmutableList.builder();
    for (ArtifactCacheBuckConfig.ArtifactCacheMode mode : modes) {
        switch (mode) {
        case dir:
            builder.add(createDirArtifactCache(Optional.of(buckEventBus), buckConfig.getDirCache(),
                    projectFilesystem));
            break;
        case http:
            initializeDistributedCaches(buckConfig, buckEventBus, projectFilesystem, wifiSsid,
                    httpWriteExecutorService, builder, distributedBuildModeEnabled, HTTP_PROTOCOL);
            break;

        case thrift_over_http:
            initializeDistributedCaches(buckConfig, buckEventBus, projectFilesystem, wifiSsid,
                    httpWriteExecutorService, builder, distributedBuildModeEnabled, THRIFT_PROTOCOL);
            break;
        }
    }
    ImmutableList<ArtifactCache> artifactCaches = builder.build();
    ArtifactCache result;

    if (artifactCaches.size() == 1) {
        // Don't bother wrapping a single artifact cache in MultiArtifactCache.
        result = artifactCaches.get(0);
    } else {
        result = new MultiArtifactCache(artifactCaches);
    }

    // Always support reading two-level cache stores (in case we performed any in the past).
    result = new TwoLevelArtifactCacheDecorator(result, projectFilesystem, buckEventBus,
            buckConfig.getTwoLevelCachingEnabled(), buckConfig.getTwoLevelCachingMinimumSize(),
            buckConfig.getTwoLevelCachingMaximumSize());

    return result;
}

From source file:org.geogit.api.NodeRef.java

public static String removeParent(final String parentPath, final String childPath) {
    checkArgument(isChild(parentPath, childPath));
    ImmutableList<String> parent = split(parentPath);
    ImmutableList<String> child = split(childPath);
    child = child.subList(parent.size(), child.size());
    String strippedChildPath = child.get(0);
    for (int i = 1; i < child.size(); i++) {
        appendChild(strippedChildPath, child.get(i));
    }/*from w  ww.ja  v a2s  .  c  om*/
    return strippedChildPath;
}