Example usage for com.google.common.collect Sets newHashSetWithExpectedSize

Introduction

In this page you can find the example usage for com.google.common.collect Sets newHashSetWithExpectedSize.

Prototype

public static <E> HashSet<E> newHashSetWithExpectedSize(int expectedSize)

Source Link

Document

Creates a HashSet instance, with a high enough initial table size that it should hold expectedSize elements without resizing.

Usage

From source file:co.cask.cdap.data2.registry.internal.pair.OrderedPair.java

public Set<SECOND> getSecond(Set<MDSKey> mdsKeys) {
    Set<SECOND> secondSet = Sets.newHashSetWithExpectedSize(mdsKeys.size());
    for (MDSKey mdsKey : mdsKeys) {
        MDSKey.Splitter splitter = mdsKey.split();
        splitter.skipString(); // prefix
        keyMaker1.skipKey(splitter);/*from w ww.j av a 2  s  . c  o  m*/
        secondSet.add(this.keyMaker2.getElement(splitter));
    }
    return secondSet;
}

From source file:com.vmware.appfactory.taskqueue.tasks.state.builder.TafBuilder.java

protected TafBuilder(Class<? extends API> resultClass) {
    this.resultClass = resultClass;
    this.resultClassGetters = BeanMaps.newBeanGetters(resultClass);
    this.resultClassSetters = BeanMaps.newBeanSetters(resultClass);
    this.changeEvents = Sets.newHashSetWithExpectedSize(resultClassGetters.size());
}

From source file:org.elasticsearch.indices.recovery.RecoveryCleanFilesRequest.java

@Override
public void readFrom(StreamInput in) throws IOException {
    super.readFrom(in);
    recoveryId = in.readLong();//from w  w  w .  ja v a  2  s  .c o m
    shardId = ShardId.readShardId(in);
    int size = in.readVInt();
    snapshotFiles = Sets.newHashSetWithExpectedSize(size);
    for (int i = 0; i < size; i++) {
        snapshotFiles.add(in.readString());
    }
}

From source file:com.android.tools.idea.editors.strings.StringsWriteUtils.java

/**
 * Sets the value of an attribute for resource items.  If SdkConstants.ATTR_NAME is set to null or "", the items are deleted.
 *
 * @param attribute The attribute whose value we wish to change
 * @param value     The desired attribute value
 * @param items     The resource items/*from w w  w.  j av a 2s  .  c o m*/
 * @return True if the value was successfully set, false otherwise
 */
public static boolean setAttributeForItems(@NotNull Project project, @NotNull final String attribute,
        @Nullable final String value, @NotNull List<ResourceItem> items) {
    if (items.isEmpty()) {
        return false;
    }
    final List<XmlTag> tags = Lists.newArrayListWithExpectedSize(items.size());
    final Set<PsiFile> files = Sets.newHashSetWithExpectedSize(items.size());
    for (ResourceItem item : items) {
        XmlTag tag = LocalResourceRepository.getItemTag(project, item);
        if (tag == null) {
            return false;
        }
        tags.add(tag);
        files.add(tag.getContainingFile());
    }
    final boolean deleteTag = attribute.equals(SdkConstants.ATTR_NAME) && (value == null || value.isEmpty());
    new WriteCommandAction.Simple(project, "Setting attribute " + attribute,
            files.toArray(new PsiFile[files.size()])) {
        @Override
        public void run() {
            for (XmlTag tag : tags) {
                if (deleteTag) {
                    tag.delete();
                } else {
                    // XmlTagImpl handles a null value by deleting the attribute, which is our desired behavior
                    //noinspection ConstantConditions
                    tag.setAttribute(attribute, value);
                }
            }
        }
    }.execute();
    return true;
}

From source file:org.gradoop.flink.model.impl.functions.epgm.GraphVerticesEdges.java

private Set<Edge> getEmptyEdgeSet() {
    return Sets.newHashSetWithExpectedSize(0);
}

From source file:org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.AbstractCompositeExclusion.java

@Override
protected boolean doExcludesSameModulesAs(AbstractModuleExclusion other) {
    AbstractCompositeExclusion spec = (AbstractCompositeExclusion) other;
    Collection<AbstractModuleExclusion> thisFilters = getFilters();
    Collection<AbstractModuleExclusion> otherFilters = spec.getFilters();

    // To make the comparison faster, we compute the sets of specs that exist in this exclusion, but not in the other
    // and the set of specs that exist in the other and not in this one. Then we only need to check if the missing
    // from one set have an equivalent in the missing of the other set, which is much faster than checking all of them
    Set<AbstractModuleExclusion> miss1 = Sets.newHashSetWithExpectedSize(thisFilters.size());
    Set<AbstractModuleExclusion> miss2 = Sets.newHashSetWithExpectedSize(otherFilters.size());
    for (AbstractModuleExclusion exclusion : thisFilters) {
        if (!otherFilters.contains(exclusion)) {
            miss1.add(exclusion);//  w  ww.  ja va2 s .co m
        }
    }
    for (AbstractModuleExclusion otherFilter : otherFilters) {
        if (!thisFilters.contains(otherFilter)) {
            miss2.add(otherFilter);
        }
    }
    return (miss1.isEmpty() && miss2.isEmpty()) || (implies(miss1, miss2) && implies(miss2, miss1));
}

From source file:com.android.build.gradle.internal.dsl.Splits.java

/**
 * Returns the list of Density filters used for multi-apk.
 *
 * null value is allowed, indicating the need to generate an apk with all densities.
 *
 * @return a set of filters./*from  w  ww.ja v  a 2  s .  c o  m*/
 */
@NonNull
public Set<String> getDensityFilters() {
    Density[] values = Density.values();
    Set<String> fullList = Sets.newHashSetWithExpectedSize(values.length - 1);
    for (Density value : values) {
        if (value != Density.NODPI) {
            fullList.add(value.getResourceValue());
        }
    }

    return density.getApplicableFilters(fullList);
}

From source file:org.sonatype.nexus.orient.entity.FieldCopier.java

@SuppressWarnings("unchecked")
public static Set copy(final Set<?> source) {
    Set target = Sets.newHashSetWithExpectedSize(source.size());
    for (Object value : source) {
        value = maybeCopy(value);//from  w  ww. ja v a  2s .c o  m
        target.add(value);
    }
    return target;
}

From source file:org.spongepowered.common.data.processor.common.BreakablePlaceableUtils.java

public static Optional<Set<BlockType>> get(ItemStack stack, String nbtKey) {
    NBTTagCompound tag = stack.getTagCompound();
    if (tag == null) {
        return Optional.empty();
    }//ww  w  .  j  a  v a2  s  .c om
    NBTTagList blockIds = tag.getTagList(nbtKey, NbtDataUtil.TAG_STRING);
    if (blockIds.hasNoTags()) {
        return Optional.empty();
    }
    Set<BlockType> blockTypes = Sets.newHashSetWithExpectedSize(blockIds.tagCount());
    for (int i = 0; i < blockIds.tagCount(); i++) {
        Optional<BlockType> blockType = SpongeImpl.getGame().getRegistry().getType(BlockType.class,
                blockIds.getStringTagAt(i));
        if (blockType.isPresent()) {
            blockTypes.add(blockType.get());
        }
    }
    return Optional.of(blockTypes);
}

From source file:com.opengamma.engine.function.MarketDataAliasingFunction.java

@Override
public Set<ComputedValue> execute(final FunctionExecutionContext executionContext, final FunctionInputs inputs,
        final ComputationTarget target, final Set<ValueRequirement> desiredValues) {
    final Collection<ComputedValue> values = inputs.getAllValues();
    final Object value = values.isEmpty() ? MissingInput.MISSING_MARKET_DATA
            : Iterables.getOnlyElement(values).getValue();
    final Set<ComputedValue> result = Sets.newHashSetWithExpectedSize(desiredValues.size());
    for (ValueRequirement desiredValueReq : desiredValues) {
        final ValueSpecification desiredValue = new ValueSpecification(desiredValueReq.getValueName(),
                target.toSpecification(), desiredValueReq.getConstraints());
        result.add(new ComputedValue(desiredValue, value));
    }/*from   w w  w .j  a  v a  2s.c  o  m*/
    return result;
}