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

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

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Introduction

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

Prototype

@GwtCompatible(serializable = true)
public static <E> ArrayList<E> newArrayListWithCapacity(int initialArraySize)

Source Link

Document

Creates an ArrayList instance backed by an array with the specified initial size; simply delegates to ArrayList#ArrayList(int) .

Usage

From source file:org.apache.shindig.protocol.multipart.DefaultMultipartFormParser.java

private Collection<FormDataItem> convertToFormData(List<FileItem> fileItems) {
    List<FormDataItem> formDataItems = Lists.newArrayListWithCapacity(fileItems.size());
    for (FileItem item : fileItems) {
        formDataItems.add(new CommonsFormDataItem(item));
    }//from   w  ww .  j a  v a 2 s.c  om

    return formDataItems;
}

From source file:com.opengamma.web.analytics.formatting.SnapshotDataBundleFormatter.java

private Map<String, Object> formatExpanded(final SnapshotDataBundle bundle,
        final ValueSpecification valueSpec) {
    final List<List<String>> results = Lists.newArrayListWithCapacity(bundle.size());
    final Map<String, Object> resultsMap = Maps.newHashMap();
    for (final Map.Entry<ExternalIdBundle, Double> entry : bundle.getDataPointSet()) {
        final ExternalId id = _orderConfig.getPreferred(entry.getKey());
        final String idStr = (id != null) ? id.toString() : "";
        final String formattedValue = _doubleFormatter.formatCell(entry.getValue(), valueSpec, null);
        results.add(ImmutableList.of(idStr, formattedValue));
    }//  ww  w.  ja v a2 s .  c  o m
    resultsMap.put(DATA, results);
    resultsMap.put(LABELS, ImmutableList.of(ID, VALUE));
    return resultsMap;
}

From source file:org.apache.drill.exec.store.kafka.MessageIterator.java

public MessageIterator(final KafkaConsumer<byte[], byte[]> kafkaConsumer, final KafkaSubScanSpec subScanSpec,
        final long kafkaPollTimeOut) {
    this.kafkaConsumer = kafkaConsumer;
    this.kafkaPollTimeOut = kafkaPollTimeOut;

    List<TopicPartition> partitions = Lists.newArrayListWithCapacity(1);
    topicPartition = new TopicPartition(subScanSpec.getTopicName(), subScanSpec.getPartitionId());
    partitions.add(topicPartition);/* w w  w  . ja va 2  s. c  om*/
    this.kafkaConsumer.assign(partitions);
    logger.info("Start offset of {}:{} is - {}", subScanSpec.getTopicName(), subScanSpec.getPartitionId(),
            subScanSpec.getStartOffset());
    this.kafkaConsumer.seek(topicPartition, subScanSpec.getStartOffset());
    this.endOffset = subScanSpec.getEndOffset();
}

From source file:ru.codeinside.gses.webui.supervisor.GroupsQuery.java

@Override
public List<Item> loadItems(int startIndex, int count) {
    final List<Group> groups;
    if (mode == GroupsQueryDefinition.Mode.ORG) {
        groups = Flash.flash().getAdminService().getControlledOrgGroupsOf(login, startIndex, count, sortProps,
                sortAsc, container == null ? null : container.sender);
    } else {//  www. java 2  s  .  co  m
        groups = Flash.flash().getAdminService().getControlledEmpGroupsOf(login, startIndex, count, sortProps,
                sortAsc, container == null ? null : container.sender);
    }

    List<Item> itemsList = Lists.newArrayListWithCapacity(groups.size());
    for (Group g : groups) {
        final PropertysetItem item = new PropertysetItem();
        item.addItemProperty("name", new ObjectProperty<String>(g.getName()));
        item.addItemProperty("title", new ObjectProperty<String>(g.getTitle()));
        itemsList.add(item);
    }
    return itemsList;
}

From source file:com.ojuslabs.oct.data.RouteNode.java

/**
 * Each RouteNode instance should have an ID that is unique within its
 * route. It should, therefore, be provided by the route itself. Typical
 * usage is as follows./*from ww w .  j a v  a  2 s .c o  m*/
 * 
 * <pre>
 * Route route = Route.newInstance();
 * ...
 * RouteNode goal = route.goalNode();
 * ...
 * RouteNode node = goal.newChildNode();
 * ...
 * RouteNode node2 = node.newChildNode();
 * </pre>
 * 
 * @param id
 */
RouteNode(int id) {
    _id = id;

    _children = Lists.newArrayListWithCapacity(Constants.LIST_SIZE_T);
    _byproducts = Lists.newArrayListWithCapacity(Constants.LIST_SIZE_T);
}

From source file:voldemort.store.routed.ReadRepairer.java

/**
 * Compute the repair set from the given values and nodes
 * //from  w  ww .  j av  a  2s  . c o m
 * @param nodeValues The value found on each node
 * @return A set of repairs to perform
 */
public List<NodeValue<K, V>> getRepairs(List<NodeValue<K, V>> nodeValues) {
    int size = nodeValues.size();
    if (size <= 1)
        return Collections.emptyList();

    Map<K, List<NodeValue<K, V>>> keyToNodeValues = Maps.newHashMap();
    for (NodeValue<K, V> nodeValue : nodeValues) {
        List<NodeValue<K, V>> keyNodeValues = keyToNodeValues.get(nodeValue.getKey());
        if (keyNodeValues == null) {
            keyNodeValues = Lists.newArrayListWithCapacity(5);
            keyToNodeValues.put(nodeValue.getKey(), keyNodeValues);
        }
        keyNodeValues.add(nodeValue);
    }

    List<NodeValue<K, V>> result = Lists.newArrayList();
    for (List<NodeValue<K, V>> keyNodeValues : keyToNodeValues.values())
        result.addAll(singleKeyGetRepairs(keyNodeValues));
    return result;
}

From source file:org.apache.hadoop.hdfs.server.namenode.FSDirXAttrOp.java

/**
 * Set xattr for a file or directory.// ww  w.j a  v a2  s.  c  o m
 *
 * @param src
 *          - path on which it sets the xattr
 * @param xAttr
 *          - xAttr details to set
 * @param flag
 *          - xAttrs flags
 * @throws IOException
 */
static HdfsFileStatus setXAttr(FSDirectory fsd, String src, XAttr xAttr, EnumSet<XAttrSetFlag> flag,
        boolean logRetryCache) throws IOException {
    checkXAttrsConfigFlag(fsd);
    checkXAttrSize(fsd, xAttr);
    FSPermissionChecker pc = fsd.getPermissionChecker();
    XAttrPermissionFilter.checkPermissionForApi(pc, xAttr, FSDirectory.isReservedRawName(src));
    byte[][] pathComponents = FSDirectory.getPathComponentsForReservedPath(src);
    src = fsd.resolvePath(pc, src, pathComponents);
    List<XAttr> xAttrs = Lists.newArrayListWithCapacity(1);
    xAttrs.add(xAttr);
    INodesInPath iip;
    fsd.writeLock();
    try {
        iip = fsd.getINodesInPath4Write(src);
        checkXAttrChangeAccess(fsd, iip, xAttr, pc);
        unprotectedSetXAttrs(fsd, src, xAttrs, flag);
    } finally {
        fsd.writeUnlock();
    }
    fsd.getEditLog().logSetXAttrs(src, xAttrs, logRetryCache);
    return fsd.getAuditFileInfo(iip);
}

From source file:org.apache.phoenix.iterate.UnionResultIterators.java

public UnionResultIterators(List<QueryPlan> plans, StatementContext parentStmtCtx) throws SQLException {
    this.parentStmtCtx = parentStmtCtx;
    this.plans = plans;
    int nPlans = plans.size();
    iterators = Lists.newArrayListWithExpectedSize(nPlans);
    splits = Lists.newArrayListWithExpectedSize(nPlans * 30);
    scans = Lists.newArrayListWithExpectedSize(nPlans * 10);
    readMetricsList = Lists.newArrayListWithCapacity(nPlans);
    overAllQueryMetricsList = Lists.newArrayListWithCapacity(nPlans);
    for (QueryPlan plan : this.plans) {
        readMetricsList.add(plan.getContext().getReadMetricsQueue());
        overAllQueryMetricsList.add(plan.getContext().getOverallQueryMetrics());
        iterators.add(LookAheadResultIterator.wrap(plan.iterator()));
        splits.addAll(plan.getSplits());
        scans.addAll(plan.getScans());//from w w  w  .jav  a2s.  c  om
    }
}

From source file:com.sahlbach.maven.delivery.Delivery.java

/**
 * creates a merged version of two deliveries.
 * jobs are deeply merged/*ww w.ja  v  a2 s  .  c o  m*/
 * @param toMerge delivers the overwritten values of the delivery
 * @throws org.apache.maven.plugin.MojoExecutionException in case of merge conflicts
 * @return the merged instance (this) for call chaining
 */
public Delivery mergeWith(Delivery toMerge) throws MojoExecutionException {
    setId(toMerge.getId());
    if (toMerge.getDescription() != null)
        setDescription(toMerge.getDescription());
    Map<String, Job> mappedJobs = Maps.newHashMapWithExpectedSize(getJobs().size() + toMerge.getJobs().size());
    List<Job> resultJobs = Lists.newArrayListWithCapacity(getJobs().size() + toMerge.getJobs().size());
    for (Job job : getJobs()) {
        Job newJob = new Job();
        newJob.mergeWith(job);
        if (newJob.getId() != null)
            mappedJobs.put(newJob.getId(), newJob);
        resultJobs.add(newJob);
    }
    for (Job job : toMerge.getJobs()) {
        if ((job.getId() != null) && mappedJobs.get(job.getId()) != null) {
            Job existingJob = mappedJobs.get(job.getId());
            existingJob.mergeWith(job);
        } else {
            resultJobs.add(new Job().mergeWith(job));
        }
    }
    setJobs(resultJobs);
    return this;
}

From source file:net.derquinse.common.io.ChunkedHeapByteSource.java

@Override
public MemoryByteSource toDirect(boolean merge) {
    if (merge) {// w  ww .j a  va2  s.c  o  m
        ByteBuffer buffer = ByteBuffer.allocateDirect(chunks.getTotalSize());
        writeTo(buffer);
        buffer.flip();
        return new SingleDirectByteSource(buffer);
    } else {
        List<SingleDirectByteSource> list = Lists.newArrayListWithCapacity(chunks.size());
        for (ByteArrayByteSource s : chunks) {
            list.add(s.toDirect(true));
        }
        return new ChunkedDirectByteSource(new Chunks<SingleDirectByteSource>(list));
    }
}