Example usage for com.google.common.collect Lists newArrayListWithExpectedSize

List of usage examples for com.google.common.collect Lists newArrayListWithExpectedSize

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Introduction

In this page you can find the example usage for com.google.common.collect Lists newArrayListWithExpectedSize.

Prototype

@GwtCompatible(serializable = true)
public static <E> ArrayList<E> newArrayListWithExpectedSize(int estimatedSize)

Source Link

Document

Creates an ArrayList instance to hold estimatedSize elements, plus an unspecified amount of padding; you almost certainly mean to call #newArrayListWithCapacity (see that method for further advice on usage).

Usage

From source file:com.yahoo.yqlplus.engine.internal.plan.DynamicExpressionEvaluator.java

public List<OperatorNode<PhysicalExprOperator>> applyAll(List<OperatorNode<ExpressionOperator>> inputs) {
    List<OperatorNode<PhysicalExprOperator>> out = Lists.newArrayListWithExpectedSize(inputs.size());
    for (OperatorNode<ExpressionOperator> arg : inputs) {
        out.add(apply(arg));/*from   w  ww  .  j av a 2  s  . c  o  m*/
    }
    return out;
}

From source file:org.apache.shindig.social.core.model.IdSpec.java

/**
 * Only valid for IdSpecs of type USER_IDS.
 * @return A list of the user ids in the id spec
 *
 * @throws JSONException If the id spec isn't a valid json String array
 *//*from  w w  w. j a va2 s  .  com*/
public List<String> fetchUserIds() throws JSONException {
    JSONArray userIdArray;
    try {
        userIdArray = new JSONArray(jsonSpec);
    } catch (JSONException e) {
        // If it isn't an array, treat it as a simple string
        // TODO: This will go away with rest so we can remove this hack
        return Lists.newArrayList(jsonSpec);
    }
    List<String> userIds = Lists.newArrayListWithExpectedSize(userIdArray.length());

    for (int i = 0; i < userIdArray.length(); i++) {
        userIds.add(userIdArray.getString(i));
    }
    return userIds;
}

From source file:co.cask.cdap.gateway.handlers.AppFabricDataHttpHandler.java

/**
 * Returns a list of streams in a namespace.
 *//*from w  ww .ja v  a2s  .  c o m*/
@GET
@Path("/streams")
public void getStreams(HttpRequest request, HttpResponder responder,
        @PathParam("namespace-id") String namespace) {

    Id.Namespace namespaceId = Id.Namespace.from(namespace);
    Collection<StreamSpecification> specs = store.getAllStreams(namespaceId);
    List<StreamDetail> result = Lists.newArrayListWithExpectedSize(specs.size());
    for (StreamSpecification spec : specs) {
        result.add(new StreamDetail(spec.getName()));
    }
    if (result.isEmpty() && store.getNamespace(namespaceId) == null) {
        responder.sendString(HttpResponseStatus.NOT_FOUND,
                String.format("Namespace '%s' not found.", namespace));
        return;
    }
    responder.sendJson(HttpResponseStatus.OK, result);
}

From source file:com.google.gxp.compiler.fs.AbstractFileSystem.java

/**
 * {@inheritDoc}/*from  w ww .  ja  v a 2 s  .  c o  m*/
 *
 * <p>This implementation splits {@code filenameList} using the result of
 * {@link #getFilenameListDelimiter()} and parses the resulting filenames
 * with {@link #parseFilename(String)}.
 */
public final List<FileRef> parseFilenameList(String filenameList) {
    String[] filenames = getFilenameListDelimiter().split(filenameList, -1);
    List<FileRef> result = Lists.newArrayListWithExpectedSize(filenames.length);
    for (int i = 0; i < filenames.length; i++) {
        result.add(parseFilename(filenames[i]));
    }
    return Collections.unmodifiableList(result);
}

From source file:org.auraframework.impl.root.component.ComponentDefRefArrayImpl.java

@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public List<Component> newInstance(BaseComponent<?, ?> fallbackValueProvider,
        Map<String, Object> extraProviders) throws QuickFixException {
    List<Component> components = Lists.newArrayListWithExpectedSize(cdrs.size());
    BaseComponent<?, ?> valueProvider = this.vp != null ? this.vp : fallbackValueProvider;
    if (extraProviders != null) {
        // TODO: rename this thing
        valueProvider = new IterationValueProvider(valueProvider, extraProviders);
    }//  w w  w .  j a  v  a2  s. co m
    AuraContext context = Aura.getContextService().getCurrentContext();
    int idx = 0;
    for (ComponentDefRef cdr : this.cdrs) {
        context.getInstanceStack().setAttributeIndex(idx);
        components.add(cdr.newInstance(valueProvider));
        context.getInstanceStack().clearAttributeIndex(idx);
        idx += 1;
    }
    return components;
}

From source file:com.android.build.gradle.internal.dependency.ManifestDependencyImpl.java

public List<File> getAllManifests() {
    List<File> files = Lists.newArrayListWithExpectedSize(1 + dependencies.size() * 2);
    files.add(manifest);//  w w  w .jav  a2s. c om
    for (ManifestDependencyImpl manifestDep : dependencies) {
        files.addAll(manifestDep.getAllManifests());
    }

    return files;
}

From source file:com.technophobia.substeps.runner.builder.FeatureNodeBuilder.java

private FeatureNode buildRunnableFeatureNode(FeatureFile featureFile) {

    List<ScenarioNode<?>> scenarioNodes = Lists.newArrayListWithExpectedSize(featureFile.getScenarios().size());

    Set<String> tags = featureFile.getTags() != null ? featureFile.getTags() : Collections.<String>emptySet();

    for (final Scenario scenario : featureFile.getScenarios()) {

        if (scenario != null) {

            ScenarioNode<?> scenarioNode = scenarioNodeBuilder.build(scenario, tags, _2);
            if (scenarioNode != null) {

                scenarioNodes.add(scenarioNode);
            }//from w w  w .j  av  a2  s . c o  m
        }
    }

    final Feature feature = new Feature(featureFile.getName(), featureFile.getSourceFile().getName());

    final FeatureNode featureNode = new FeatureNode(feature, scenarioNodes, tags);

    featureNode.setFileUri(featureFile.getSourceFile().getAbsolutePath());
    featureNode.setLineNumber(0);

    return featureNode;
}

From source file:org.eclipse.xtext.formatting2.debug.TextRegionListToString.java

@Override
public String toString() {
    int offsetDigits = 0;
    int lengthDigits = 0;
    for (Item item : items) {
        if (item.region != null) {
            int lengthD = String.valueOf(item.region.getLength()).length();
            if (lengthDigits < lengthD)
                lengthDigits = lengthD;/* w  ww .j a va 2 s  .  com*/
            int lengthO = String.valueOf(item.region.getOffset()).length();
            if (offsetDigits < lengthO)
                offsetDigits = lengthO;
        }
    }
    List<String> result = Lists.newArrayListWithExpectedSize(items.size());
    String prefix = Strings.repeat(" ", offsetDigits + lengthDigits + 2);
    for (Item item : items) {
        String[] lines = item.text.split("\n");
        if (item.region != null) {
            String offset = Strings.padStart(String.valueOf(item.region.getOffset()), offsetDigits, ' ');
            String length = Strings.padStart(String.valueOf(item.region.getLength()), lengthDigits, ' ');
            if (lines.length == 1) {
                result.add(offset + " " + length + " " + lines[0]);
            } else {
                String offsetSpace = Strings.repeat(" ", offsetDigits);
                String lengthSpace = Strings.repeat(" ", lengthDigits);
                for (int i = 0; i < lines.length; i++) {
                    String first = i == 0 ? offset : offsetSpace;
                    String second = i == lines.length - 1 ? length : lengthSpace;
                    result.add(first + " " + second + " " + lines[i]);
                }
            }
        } else if (item.indented) {
            for (int i = 0; i < lines.length; i++)
                result.add(prefix + lines[i]);
        } else {
            for (int i = 0; i < lines.length; i++)
                result.add(lines[i]);
        }
    }
    return Joiner.on("\n").join(result);
}

From source file:org.apache.bookkeeper.stream.storage.impl.sc.LocalStorageContainerManager.java

@Override
protected void doStart() {
    List<CompletableFuture<StorageContainer>> futures = Lists
            .newArrayListWithExpectedSize(numStorageContainers);
    for (int scId = 0; scId < numStorageContainers; scId++) {
        futures.add(this.registry.startStorageContainer(scId));
    }//from  w  ww. ja va 2 s. c  om
    FutureUtils.collect(futures).join();
}

From source file:org.apache.phoenix.index.PhoenixIndexBuilder.java

@Override
public void batchStarted(MiniBatchOperationInProgress<Mutation> miniBatchOp) throws IOException {
    // The entire purpose of this method impl is to get the existing rows for the
    // table rows being indexed into the block cache, as the index maintenance code
    // does a point scan per row
    List<KeyRange> keys = Lists.newArrayListWithExpectedSize(miniBatchOp.size());
    Map<ImmutableBytesWritable, IndexMaintainer> maintainers = new HashMap<ImmutableBytesWritable, IndexMaintainer>();
    ImmutableBytesWritable indexTableName = new ImmutableBytesWritable();
    for (int i = 0; i < miniBatchOp.size(); i++) {
        Mutation m = miniBatchOp.getOperation(i);
        keys.add(PVarbinary.INSTANCE.getKeyRange(m.getRow()));
        List<IndexMaintainer> indexMaintainers = getCodec().getIndexMaintainers(m.getAttributesMap());

        for (IndexMaintainer indexMaintainer : indexMaintainers) {
            if (indexMaintainer.isImmutableRows() && indexMaintainer.isLocalIndex())
                continue;
            indexTableName.set(indexMaintainer.getIndexTableName());
            if (maintainers.get(indexTableName) != null)
                continue;
            maintainers.put(indexTableName, indexMaintainer);
        }/*  ww w . j  a v a  2s. c  o m*/

    }
    if (maintainers.isEmpty())
        return;
    Scan scan = IndexManagementUtil.newLocalStateScan(new ArrayList<IndexMaintainer>(maintainers.values()));
    ScanRanges scanRanges = ScanRanges.createPointLookup(keys);
    scanRanges.initializeScan(scan);
    scan.setFilter(scanRanges.getSkipScanFilter());
    Region region = this.env.getRegion();
    RegionScanner scanner = region.getScanner(scan);
    // Run through the scanner using internal nextRaw method
    region.startRegionOperation();
    try {
        synchronized (scanner) {
            boolean hasMore;
            do {
                List<Cell> results = Lists.newArrayList();
                // Results are potentially returned even when the return value of s.next is
                // false since this is an indication of whether or not there are more values
                // after the ones returned
                hasMore = scanner.nextRaw(results);
            } while (hasMore);
        }
    } finally {
        try {
            scanner.close();
        } finally {
            region.closeRegionOperation();
        }
    }
}