Example usage for com.google.common.collect Maps newHashMapWithExpectedSize

Introduction

In this page you can find the example usage for com.google.common.collect Maps newHashMapWithExpectedSize.

Prototype

public static <K, V> HashMap<K, V> newHashMapWithExpectedSize(int expectedSize)

Source Link

Document

Creates a HashMap instance, with a high enough "initial capacity" that it should hold expectedSize elements without growth.

Usage

From source file:org.terasology.i18n.gson.I18nMapTypeAdapter.java

@Override
public I18nMap deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    if (json.isJsonPrimitive()) {
        return new I18nMap(json.getAsString());
    } else if (json.isJsonObject()) {
        JsonObject obj = json.getAsJsonObject();
        Map<Locale, String> values = Maps.newHashMapWithExpectedSize(obj.entrySet().size());
        for (Map.Entry<String, JsonElement> item : obj.entrySet()) {
            if (item.getValue().isJsonPrimitive()) {
                values.put(Locale.forLanguageTag(item.getKey()), item.getValue().getAsString());
            } else {
                throw new JsonParseException(
                        "Expected locale string pair, found " + item.getKey() + "'" + item.getValue() + "'");
            }/*  w  ww. j  ava  2  s.c  o  m*/
        }
        return new I18nMap(values);
    } else {
        throw new JsonParseException("Invalid I18nMap: '" + json + "'");
    }
}

From source file:com.netflix.karyon.swagger.modules.AppModule.java

private Map<String, String> createServletParams() {
    Map<String, String> servletParams = Maps.newHashMapWithExpectedSize(2);
    // For static resources like HTML, JS, or CSS that should get served by the servlet container
    // Note that this is only effective when we are using a filter to handle requests - can't do that till we fix # 1068
    servletParams.put(ServletContainer.PROPERTY_WEB_PAGE_CONTENT_REGEX, "/(docs|js)/.*");
    // Need this to avoid issue reference here: http://stackoverflow.com/questions/15767973/jersey-what-does-couldnt-find-grammar-element-mean
    servletParams.put("com.sun.jersey.config.feature.DisableWADL", "true");
    return servletParams;

}

From source file:com.google.cloud.datastore.DatastoreHelper.java

private static List<Entity> compileEntities(Key[] keys, Iterator<Entity> entities) {
    Map<Key, Entity> map = Maps.newHashMapWithExpectedSize(keys.length);
    while (entities.hasNext()) {
        Entity entity = entities.next();
        map.put(entity.getKey(), entity);
    }/* w w w  .  ja va  2s . c  o m*/
    List<Entity> list = new ArrayList<>(keys.length);
    for (Key key : keys) {
        // this will include nulls for nonexistent keys
        list.add(map.get(key));
    }
    return list;
}

From source file:com.voxelplugineering.voxelsniper.brush.effect.morphological.BlendMaterialOperation.java

public BlendMaterialOperation() {
    mats = Maps.newHashMapWithExpectedSize(10);
}

From source file:com.lyndir.lhunath.snaplog.data.object.media.aws.S3MediaData.java

/**
 * Create a new {@link S3MediaData} instance.
 *
 * @param media The {@link S3Media} that we hold data for.
 *///from  ww  w .j a  v  a2 s .  com
public S3MediaData(final S3Media media) {

    checkNotNull(media, "Given media must not be null.");

    this.media = media;

    s3Objects = Maps.newHashMapWithExpectedSize(Quality.values().length);
}

From source file:com.palantir.atlasdb.table.description.Schemas.java

public static void createTables(KeyValueService kvs, Map<String, TableDefinition> fullTableNameToDefinition) {
    Map<String, byte[]> fullTableNameToMetadata = Maps
            .newHashMapWithExpectedSize(fullTableNameToDefinition.size());
    for (Entry<String, TableDefinition> tableEntry : fullTableNameToDefinition.entrySet()) {
        fullTableNameToMetadata.put(tableEntry.getKey(),
                tableEntry.getValue().toTableMetadata().persistToBytes());
    }//from  w  w  w  .  j av a 2 s.co m
    kvs.createTables(fullTableNameToMetadata);
}

From source file:net.derquinse.bocas.BocasExerciser.java

public static Map<ByteString, MemoryByteSource> dataSet(BocasHashFunction f, int size) {
    Map<ByteString, MemoryByteSource> map = Maps.newHashMapWithExpectedSize(size);
    for (int i = 0; i < size; i++) {
        MemoryByteSource v = data();/* ww w  .jav a  2  s  . com*/
        map.put(f.hash(v), v);
    }
    return map;
}

From source file:tachyon.master.file.journal.PersistFileEntry.java

@Override
public Map<String, Object> getParameters() {
    Map<String, Object> parameters = Maps.newHashMapWithExpectedSize(5);
    parameters.put("fileId", mFileId);
    parameters.put("length", mLength);
    parameters.put("operationTimeMs", mOpTimeMs);
    return parameters;
}

From source file:org.apache.phoenix.end2end.BaseParallelIteratorsRegionSplitterIT.java

@BeforeClass
@Shadower(classBeingShadowed = BaseClientManagedTimeIT.class)
public static void doSetup() throws Exception {
    int targetQueryConcurrency = 3;
    int maxQueryConcurrency = 5;
    Map<String, String> props = Maps.newHashMapWithExpectedSize(3);
    props.put(QueryServices.MAX_QUERY_CONCURRENCY_ATTRIB, Integer.toString(maxQueryConcurrency));
    props.put(QueryServices.TARGET_QUERY_CONCURRENCY_ATTRIB, Integer.toString(targetQueryConcurrency));
    props.put(QueryServices.MAX_INTRA_REGION_PARALLELIZATION_ATTRIB, Integer.toString(Integer.MAX_VALUE));
    // Must update config before starting server
    setUpTestDriver(getUrl(), new ReadOnlyProps(props.entrySet().iterator()));
}

From source file:jp.tricreo.schemagenerator.infrastructure.utils.CloneUtil.java

/**
 * ?? {@link Map} ?({@link Map#values()})?{@link Object#clone() }??
 * ?????? {@link HashMap} ?/*ww  w .j a v a2 s .  com*/
 * 
 * @param <K> ?
 * @param <V> ?
 * @param map ???
 * @return {@link HashMap}
 */
public static <K, V extends Entity<V, ?>> HashMap<K, V> cloneEntityHashMap(Map<K, V> map) {
    HashMap<K, V> cloneMap = Maps.newHashMapWithExpectedSize(map.size());
    for (Entry<K, V> element : map.entrySet()) {
        V cloneValue = element.getValue().clone();
        cloneMap.put(element.getKey(), cloneValue);
    }
    return cloneMap;
}