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.apache.phoenix.end2end.SpooledSortMergeJoinIT.java

@BeforeClass
@Shadower(classBeingShadowed = BaseClientManagedTimeIT.class)
public static void doSetup() throws Exception {
    Map<String, String> props = Maps.newHashMapWithExpectedSize(1);
    ;/*from w w w  . ja  va  2s .  co m*/
    props.put(QueryServices.SPOOL_THRESHOLD_BYTES_ATTRIB, Integer.toString(100));
    // Must update config before starting server
    setUpTestDriver(new ReadOnlyProps(props.entrySet().iterator()));
}

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

@BeforeClass
public static void doSetup() throws Exception {
    Map<String, String> props = Maps.newHashMapWithExpectedSize(1);
    // make sure disabling server side spooling has no affect on correctness(existing orderby
    // IT)/*w  w  w .ja  v  a  2  s . co m*/
    props.put(QueryServices.SERVER_ORDERBY_SPOOLING_ENABLED_ATTRIB, Boolean.toString(Boolean.FALSE));
    props.put(QueryServices.CLIENT_ORDERBY_SPOOLING_ENABLED_ATTRIB, Boolean.toString(Boolean.FALSE));
    setUpTestDriver(new ReadOnlyProps(props.entrySet().iterator()));
}

From source file:org.graylog2.utilities.ConfigurationMapConverter.java

/**
 * Converts the values in the map to the requested types. This has been copied from the Graylog web interface
 * and should be removed once we have better configuration objects.
 *//*from  ww w. j av a 2s .co m*/
public static Map<String, Object> convertValues(final Map<String, Object> data,
        final ConfigurationRequest configurationRequest) throws ValidationException {
    final Map<String, Object> configuration = Maps.newHashMapWithExpectedSize(data.size());
    final Map<String, Map<String, Object>> configurationFields = configurationRequest.asList();

    for (final Map.Entry<String, Object> entry : data.entrySet()) {
        final String field = entry.getKey();
        final Map<String, Object> fieldDescription = configurationFields.get(field);
        if (fieldDescription == null || fieldDescription.isEmpty()) {
            throw new ValidationException(field,
                    "Unknown configuration field description for field \"" + field + "\"");
        }

        final String type = (String) fieldDescription.get("type");

        // Decide what to cast to. (string, bool, number)
        Object value;
        switch (type) {
        case "text":
        case "dropdown":
            value = entry.getValue() == null ? "" : String.valueOf(entry.getValue());
            break;
        case "number":
            try {
                value = Integer.parseInt(String.valueOf(entry.getValue()));
            } catch (NumberFormatException e) {
                // If a numeric field is optional and not provided, use null as value
                if ("true".equals(String.valueOf(fieldDescription.get("is_optional")))) {
                    value = null;
                } else {
                    throw new ValidationException(field, e.getMessage());
                }
            }
            break;
        case "boolean":
            value = "true".equalsIgnoreCase(String.valueOf(entry.getValue()));
            break;
        default:
            throw new ValidationException(field, "Unknown configuration field type \"" + type + "\"");
        }

        configuration.put(field, value);
    }

    return configuration;
}

From source file:io.druid.query.topn.TopNQueryRunnerTestHelper.java

public static Result<TopNResultValue> createExpectedRows(String date, String[] columnNames,
        Iterable<Object[]> values) {
    List<Map> expected = Lists.newArrayList();
    for (Object[] value : values) {
        Preconditions.checkArgument(value.length == columnNames.length);
        Map<String, Object> theVals = Maps.newHashMapWithExpectedSize(value.length);
        for (int i = 0; i < columnNames.length; i++) {
            theVals.put(columnNames[i], value[i]);
        }/*from ww w  .  j av a  2s  .c  o  m*/
        expected.add(theVals);
    }
    return new Result<TopNResultValue>(new DateTime(date), new TopNResultValue(expected));
}

From source file:com.opengamma.core.AbstractSourceWithExternalBundle.java

public static <V extends UniqueIdentifiable & ExternalBundleIdentifiable> Map<ExternalIdBundle, Collection<V>> getAllMultiThread(
        final PoolExecutor executor, final SourceWithExternalBundle<V> source,
        final Collection<ExternalIdBundle> bundles, final VersionCorrection versionCorrection) {
    final PoolExecutor.Service<Void> jobs = executor.createService(null);
    final Map<ExternalIdBundle, Collection<V>> results = Maps.newHashMapWithExpectedSize(bundles.size());
    for (final ExternalIdBundle bundle : bundles) {
        jobs.execute(new Runnable() {
            @Override// w  w w. ja v a  2 s .co m
            public void run() {
                final Collection<V> result = source.get(bundle, versionCorrection);
                if ((result != null) && !result.isEmpty()) {
                    results.put(bundle, result);
                }
            }
        });
    }
    try {
        jobs.join();
    } catch (InterruptedException e) {
        throw new OpenGammaRuntimeException("Interrupted", e);
    }
    return results;
}

From source file:co.cask.cdap.common.conf.ConfigurationJsonTool.java

public static void exportToJson(Configuration configuration, Appendable output) {
    Map<String, String> map = Maps.newHashMapWithExpectedSize(configuration.size());
    for (Map.Entry<String, String> entry : configuration) {
        map.put(entry.getKey(), entry.getValue());
    }/*from   w ww. ja va2  s  .com*/
    new GsonBuilder().setPrettyPrinting().create().toJson(map, output);
}

From source file:org.apache.druid.query.topn.TopNQueryRunnerTestHelper.java

public static Result<TopNResultValue> createExpectedRows(String date, String[] columnNames,
        Iterable<Object[]> values) {
    List<Map> expected = Lists.newArrayList();
    for (Object[] value : values) {
        Preconditions.checkArgument(value.length == columnNames.length);
        Map<String, Object> theVals = Maps.newHashMapWithExpectedSize(value.length);
        for (int i = 0; i < columnNames.length; i++) {
            theVals.put(columnNames[i], value[i]);
        }//  ww w .jav  a  2 s .com
        expected.add(theVals);
    }
    return new Result<TopNResultValue>(DateTimes.of(date), new TopNResultValue(expected));
}

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

@BeforeClass
public static void doSetup() throws Exception {
    Map<String, String> props = Maps.newHashMapWithExpectedSize(1);
    props.put(QueryServices.STATS_GUIDEPOST_WIDTH_BYTES_ATTRIB, Long.toString(20));
    setUpTestDriver(new ReadOnlyProps(props.entrySet().iterator()));
}

From source file:uk.ac.ebi.intact.dataexchange.psimi.solr.params.UrlSolrParams.java

private static Map<String, String[]> createMultiMap(String urlParams) {
    Multimap<String, String> map = getQueryMap(urlParams);

    Map<String, Collection<String>> colMap = map.asMap();

    Map<String, String[]> arrMap = Maps.newHashMapWithExpectedSize(colMap.size());

    for (Map.Entry<String, Collection<String>> entry : colMap.entrySet()) {
        arrMap.put(entry.getKey(), entry.getValue().toArray(new String[entry.getValue().size()]));
    }/*www  .  jav a2s  . c o m*/

    return arrMap;
}

From source file:com.palantir.common.collect.Maps2.java

public static <K, V> Map<K, V> createConstantValueMap(Set<K> keys, V v) {
    Map<K, V> ret = Maps.newHashMapWithExpectedSize(keys.size());
    for (K k : keys) {
        ret.put(k, v);//from  w w  w . j av  a  2s .  co  m
    }
    return ret;
}