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:com.eharmony.matching.seeking.mapper.ProjectedResultMapper.java

protected Map<String, Object> propertyMap(Object[] properties, String[] propertyNames) {
    if (properties.length != propertyNames.length) {
        throw new IllegalArgumentException("The number of properties (" + properties.length
                + ") must match the number of property names (" + propertyNames.length + ")");
    }// www.  j av a 2 s.c o m
    int n = properties.length;
    Map<String, Object> map = Maps.newHashMapWithExpectedSize(n);
    for (int i = 0; i < n; i++) {
        map.put(propertyNames[i], properties[i]);
    }
    return map;
}

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

@Override
public Map<String, Object> getParameters() {
    Map<String, Object> parameters = Maps.newHashMapWithExpectedSize(2);
    parameters.put("id", mId);
    parameters.put("persisted", mPersisted);
    return parameters;
}

From source file:tachyon.master.lineage.journal.RequestFilePersistenceEntry.java

@Override
public Map<String, Object> getParameters() {
    Map<String, Object> parameters = Maps.newHashMapWithExpectedSize(1);
    parameters.put("fileIds", mFileIds);
    return parameters;
}

From source file:com.opengamma.financial.analytics.fudgemsg.FloatingPaymentMatrixBuilder.java

@Override
public FloatingPaymentMatrix buildObject(final FudgeDeserializer deserializer, final FudgeMsg message) {
    final List<FudgeField> dateFields = message.getAllByName(DATES_FIELD);
    final List<FudgeField> pairsField = message.getAllByName(PAIRS_FIELD);
    final Map<LocalDate, List<Pair<CurrencyAmount, String>>> values = Maps
            .newHashMapWithExpectedSize(dateFields.size());
    for (int i = 0; i < dateFields.size(); i++) {
        final LocalDate date = deserializer.fieldValueToObject(LocalDate.class, dateFields.get(i));
        final FudgeMsg perDateMessage = (FudgeMsg) pairsField.get(i).getValue();
        final List<FudgeField> caMessage = perDateMessage.getAllByName(CA_FIELD);
        final List<FudgeField> resetIndexMessage = perDateMessage.getAllByName(RESET_INDEX_FIELD);
        final List<Pair<CurrencyAmount, String>> list = Lists.newArrayListWithCapacity(caMessage.size());
        for (int j = 0; j < caMessage.size(); j++) {
            final CurrencyAmount ca = deserializer.fieldValueToObject(CurrencyAmount.class, caMessage.get(j));
            final String resetIndex = (String) deserializer.fieldValueToObject(String.class,
                    resetIndexMessage.get(j));
            list.add(Pair.of(ca, resetIndex));
        }/* w  ww  .j ava  2 s .c  om*/
        values.put(date, list);
    }
    final int maxAmounts = message.getInt(MAX_AMOUNTS_FIELD);
    return new FloatingPaymentMatrix(values, maxAmounts);
}

From source file:org.apache.beam.sdk.extensions.euphoria.core.testkit.accumulators.NanosecondTimer.java

@Override
public Map<Duration, Long> getSnapshot() {
    Map<Duration, Long> m = Maps.newHashMapWithExpectedSize(hist.buckets.size());
    hist.buckets.forEach((key, count) -> m.put(Duration.ofNanos(key), count));
    return m;//from  w w w  .java2  s  .c  o  m
}

From source file:tachyon.master.lineage.journal.DeleteLineageEntry.java

@Override
public Map<String, Object> getParameters() {
    Map<String, Object> parameters = Maps.newHashMapWithExpectedSize(2);
    parameters.put("lineageId", mLineageId);
    parameters.put("cascade", mCascade);
    return parameters;
}

From source file:org.sonar.server.rule.index.RuleDoc.java

public RuleDoc() {
    super(Maps.newHashMapWithExpectedSize(15));
}

From source file:org.datacleaner.components.machinelearning.impl.VectorOneHotEncodingFeatureModifier.java

public VectorOneHotEncodingFeatureModifier(Collection<String> values) {
    this.values = Maps.newHashMapWithExpectedSize(values.size());
    int index = 0;
    for (String value : values) {
        this.values.put(value, index);
        index++;/*from   w ww  . j  a  v  a  2 s.c  o  m*/
    }
}

From source file:com.google.wave.splash.data.ProfileStore.java

/**
 * Retrieves participant profiles from a collection of participant ids.
 *
 * @param participantIds the participants to retrieve.
 * @return map of participant profiles./*  w  ww . j  a  va  2s .  co  m*/
 */
public Map<String, ParticipantProfile> getProfiles(Collection<String> participantIds) {
    Map<String, ParticipantProfile> profiles = Maps.newHashMapWithExpectedSize(participantIds.size());
    for (String id : participantIds) {
        profiles.put(id, getProfile(id));
    }
    return profiles;
}

From source file:org.sosy_lab.cpachecker.cpa.statistics.StatisticsData.java

public StatisticsData(Set<StatisticsProvider> propertyProviders) {
    Map<StatisticsProvider, StatisticsDataProvider> dataProvider = Maps
            .newHashMapWithExpectedSize(propertyProviders.size());
    for (StatisticsProvider providerEntry : propertyProviders) {
        dataProvider.put(providerEntry, providerEntry.createDataProvider());
    }//ww  w. j  ava2  s  . c o m
    data = dataProvider;
}