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

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:at.molindo.esi4j.action.impl.DefaultMultiGetResponseWrapper.java

@Override
public <T> List<T> getObjects(Class<T> type) {
    List<MultiGetItemResponseWrapper> resps = getMultiGetItemResponses();
    List<T> objects = Lists.newArrayListWithCapacity(resps.size());

    for (MultiGetItemResponseWrapper hit : resps) {
        objects.add(hit.getObject(type));
    }/* w w w  .j  a va2s  . c  om*/

    return objects;
}

From source file:co.cask.cdap.data2.transaction.queue.inmemory.InMemoryQueueService.java

/**
 * Drop either all streams or all queues.
 * @param clearStreams if true, drops all streams, if false, clears all queues.
 * @param prefix if non-null, drops only queues with a name that begins with this prefix.
 *//*w  w  w .j  a  v  a2  s.  c om*/
private void resetAllQueuesOrStreams(boolean clearStreams, @Nullable String prefix) {
    List<QueueName> toRemove = Lists.newArrayListWithCapacity(queues.size());
    for (QueueName queueName : queues.keySet()) {
        if ((clearStreams && queueName.isStream()) || (!clearStreams && queueName.isQueue())) {
            if (prefix == null || queueName.toString().startsWith(prefix)) {
                toRemove.add(queueName);
            }
        }
    }
    for (QueueName queueName : toRemove) {
        queues.remove(queueName);
    }
}

From source file:co.cask.hydrator.common.RecordConverter.java

private List<Object> convertArray(Object values, Schema elementSchema) throws IOException {
    List<Object> output;
    if (values instanceof List) {
        List<Object> valuesList = (List<Object>) values;
        output = Lists.newArrayListWithCapacity(valuesList.size());
        for (Object value : valuesList) {
            output.add(convertField(value, elementSchema));
        }/* ww w  .  j  a v a  2 s . co m*/
    } else {
        Object[] valuesArr = (Object[]) values;
        output = Lists.newArrayListWithCapacity(valuesArr.length);
        for (Object value : valuesArr) {
            output.add(convertField(value, elementSchema));
        }
    }
    return output;
}

From source file:com.opengamma.web.analytics.MarketDataSpecificationJsonReader.java

public static List<MarketDataSpecification> buildSpecifications(String json) {
    try {//from  w  w  w . ja  v a 2 s. co m
        JSONArray array = new JSONArray(json);
        List<MarketDataSpecification> specs = Lists.newArrayListWithCapacity(array.length());
        for (int i = 0; i < array.length(); i++) {
            specs.add(buildSpecification(array.getJSONObject(i)));
        }
        return specs;
    } catch (JSONException e) {
        throw new IllegalArgumentException("Failed to parse MarketDataSpecification JSON", e);
    }
}

From source file:gg.uhc.uhc.modules.reset.resetters.PlayerResetter.java

/**
 * Creates actions to reset each of the players
 *
 * @param players the players to create for
 * @param key the cache key to store the actions under
 *//* ww w .ja  va  2  s  .c  o m*/
public List<Action> createActions(String key, Collection<Player> players) {
    List<Action> actions = Lists.newArrayListWithCapacity(players.size());

    for (Player player : players) {
        actions.add(getActionForPlayer(player));
    }

    setCache(key, actions);

    return actions;
}

From source file:org.apache.hadoop.hdfs.XAttrHelper.java

/**
 * Build xattr name with prefix as <code>XAttr</code> list.
 *///w w w . ja v a  2 s  .c  o m
public static List<XAttr> buildXAttrAsList(String name) {
    XAttr xAttr = buildXAttr(name);
    List<XAttr> xAttrs = Lists.newArrayListWithCapacity(1);
    xAttrs.add(xAttr);

    return xAttrs;
}

From source file:com.google.gitiles.Renderer.java

protected Renderer(Function<String, URL> resourceMapper, Map<String, String> globals, String staticPrefix,
        URL customTemplates) {/*  ww  w. j  a v a2  s  .  c  om*/
    checkNotNull(staticPrefix, "staticPrefix");
    List<URL> allTemplates = Lists.newArrayListWithCapacity(SOY_FILENAMES.size() + 1);
    for (String filename : SOY_FILENAMES) {
        allTemplates.add(resourceMapper.apply(filename));
    }
    if (customTemplates != null) {
        allTemplates.add(customTemplates);
    } else {
        allTemplates.add(resourceMapper.apply("DefaultCustomTemplates.soy"));
    }
    templates = ImmutableList.copyOf(allTemplates);

    Map<String, String> allGlobals = Maps.newHashMap();
    for (Map.Entry<String, String> e : STATIC_URL_GLOBALS.entrySet()) {
        allGlobals.put(e.getKey(), staticPrefix + e.getValue());
    }
    allGlobals.putAll(globals);
    this.globals = ImmutableMap.copyOf(allGlobals);
}

From source file:com.isotrol.impe3.nr.api.CategoriesCriteria.java

/**
 * Applies some criteria./* ww w .j av a  2s.  c  o m*/
 * @param type Filter type.
 * @param values Values to add. If empty, no operation if performed.
 * @return The filter builder for method chaining.
 * @throws NullPointerException if the type or any of the values is {@code null}.
 */
public final Builder apply(FilterType type, UUID... values) {
    checkNotNull(values, "The filter values to apply must be provided");
    List<Optional<UUID>> list = Lists.newArrayListWithCapacity(values.length);
    for (UUID id : values) {
        list.add(Optional.fromNullable(id));
    }
    return apply(type, list);
}

From source file:org.apache.tez.runtime.api.impl.GroupInputSpec.java

@Override
public void readFields(DataInput in) throws IOException {
    groupName = StringInterner.weakIntern(Text.readString(in));
    int numMembers = in.readInt();
    groupVertices = Lists.newArrayListWithCapacity(numMembers);
    for (int i = 0; i < numMembers; ++i) {
        groupVertices.add(StringInterner.weakIntern(Text.readString(in)));
    }/*from w ww .  j ava  2 s . c o m*/
    mergedInputDescriptor = new InputDescriptor();
    mergedInputDescriptor.readFields(in);
}

From source file:org.jenkinsci.plugins.workflow.support.concurrent.ListFuture.java

/**
 * Constructor./* w  ww  .  j av  a  2  s .co m*/
 *
 * @param futures all the futures to build the list from
 * @param allMustSucceed whether a single failure or cancellation should
 *        propagate to this future
 * @param listenerExecutor used to run listeners on all the passed in
 *        futures.
 */
ListFuture(final ImmutableList<? extends ListenableFuture<? extends V>> futures, final boolean allMustSucceed,
        final Executor listenerExecutor) {
    this.futures = futures;
    this.values = Lists.newArrayListWithCapacity(futures.size());
    this.allMustSucceed = allMustSucceed;
    this.remaining = new AtomicInteger(futures.size());

    init(listenerExecutor);
}