Example usage for java.util Map size

Introduction

In this page you can find the example usage for java.util Map size.

Prototype

int size();

Source Link

Document

Returns the number of key-value mappings in this map.

Usage

From source file:com.l2jfree.gameserver.instancemanager.RaidPointsManager.java

@SuppressWarnings("unchecked")
public static Map<Integer, Integer> getRankList() {
    final Map<Integer, Integer> pointsByOwnerId = new HashMap<Integer, Integer>();

    for (int ownerId : _list.keySet()) {
        int totalPoints = getPointsByOwnerId(ownerId);
        if (totalPoints != 0)
            pointsByOwnerId.put(ownerId, totalPoints);
    }/*from  ww  w . j  a va 2s. c  om*/

    final Entry<Integer, Integer>[] entries = pointsByOwnerId.entrySet()
            .toArray(new Entry[pointsByOwnerId.size()]);

    Arrays.sort(entries, new Comparator<Map.Entry<Integer, Integer>>() {
        @Override
        public int compare(Map.Entry<Integer, Integer> entry, Map.Entry<Integer, Integer> entry1) {
            return entry.getValue().equals(entry1.getValue()) ? 0
                    : entry.getValue() < entry1.getValue() ? 1 : -1;
        }
    });

    Map<Integer, Integer> ranksByOwnerId = new HashMap<Integer, Integer>();
    int ranking = 1;
    for (Map.Entry<Integer, Integer> entry : entries)
        ranksByOwnerId.put(entry.getKey(), ranking++);

    return ranksByOwnerId;
}

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From source file:com.nec.sydney.beans.exportroot.NSBeanUtil.java

public static void setProperties(Object bean, String[] valueArray) throws Exception {
    if (bean == null || valueArray == null || valueArray.length == 0) {
        return;/*from w w  w  . j a  va2s.  c o m*/
    }
    Map map = new TreeMap();
    for (int i = 0; i < valueArray.length; i++) {
        String keyAndValue = valueArray[i];
        if (keyAndValue == null || keyAndValue.indexOf(KEY_VALUE_SPLITER) == -1) {
            continue;
        } else {
            String[] tmpArray = valueArray[i].split(KEY_VALUE_SPLITER, 2);
            String key = tmpArray[0].trim();
            String value = tmpArray[1];
            map.put(key, value);
        }
    }
    if (map.size() > 0) {
        BeanUtils.populate(bean, map);
    }
    return;
}

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From source file:com.sammyun.plugin.alipayWap.AlipayWapPlugin.java

/**
 * MAP??NameValuePair/*from   w  w  w .ja  v  a2s.co  m*/
 * 
 * @param properties MAP
 * @return NameValuePair
 */
private static NameValuePair[] generatNameValuePair(Map<String, Object> properties) {
    NameValuePair[] nameValuePair = new NameValuePair[properties.size()];
    int i = 0;
    for (Map.Entry<String, Object> entry : properties.entrySet()) {
        nameValuePair[i++] = new NameValuePair(entry.getKey(), entry.getValue().toString());
    }
    return nameValuePair;
}

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From source file:com.discovery.darchrow.util.MapUtil.java

/**
 * ??map??map.//  w  w w  . j  a  v  a 2 s .co  m
 * 
 * <p style="color:green">
 *  {@link LinkedHashMap},??? ? <code>singleValueMap</code>??
 * </p>
 * 
 * <p>
 * ?? {@link #toSingleValueMap(Map)}
 * </p>
 * 
 * <h3>:</h3>
 * <blockquote>
 * 
 * <pre class="code">
 * Map{@code <String, String>} singleValueMap = new LinkedHashMap{@code <String, String>}();
 * 
 * singleValueMap.put("province", "??");
 * singleValueMap.put("city", "?");
 * 
 * LOGGER.info(JsonUtil.format(ParamUtil.toArrayValueMap(singleValueMap)));
 * </pre>
 * 
 * :
 * 
 * <pre class="code">
 * {
 * "province": ["??"],
 * "city": ["?"]
 * }
 * </pre>
 * 
 * </blockquote>
 *
 * @param <K>
 *            the key type
 * @param singleValueMap
 *            the name and value map
 * @return ? <code>singleValueMap</code> nullempty, {@link Collections#emptyMap()}<br>
 *         ? <code>singleValueMap</code> value?, <code>arrayValueMap</code>
 * @since 1.6.2
 */
public static <K> Map<K, String[]> toArrayValueMap(Map<K, String> singleValueMap) {
    if (Validator.isNullOrEmpty(singleValueMap)) {
        return Collections.emptyMap();
    }
    Map<K, String[]> arrayValueMap = newLinkedHashMap(singleValueMap.size());//????singleValueMap??
    for (Map.Entry<K, String> entry : singleValueMap.entrySet()) {
        arrayValueMap.put(entry.getKey(), ConvertUtil.toArray(entry.getValue()));//?Value???V,???Object
    }
    return arrayValueMap;
}

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From source file:com.github.tteofili.p2h.Par2HierUtils.java

/**
 * perform PCA using SVD//  www .  j a va2  s  .  c  o  m
 *
 * @param weightTable the weights to scale
 * @param k the target vector dimensions
 * @return a weight table doc->reduced vector
 */
static Map<String, INDArray> svdPCA(Map<String, INDArray> weightTable, int k) {
    Map<String, INDArray> reducedVectors = new TreeMap<>();

    INDArray matrix = null;
    int i = 0;
    for (Map.Entry<String, INDArray> entry : weightTable.entrySet()) {
        INDArray vector = entry.getValue();
        if (matrix == null) {
            matrix = Nd4j.zeros(weightTable.size(), vector.columns());
        }
        matrix.putRow(i, vector);
        i++;
    }

    int j = 0;
    INDArray reducedMatrix = Nd4j.create(getTruncatedUT(matrix, k));
    for (Map.Entry<String, INDArray> entry : weightTable.entrySet()) {
        reducedVectors.put(entry.getKey(), reducedMatrix.getRow(j));
        j++;
    }

    return reducedVectors;
}

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From source file:com.streamsets.pipeline.lib.jdbc.multithread.TableRuntimeContext.java

public static TableRuntimeContext createNextPartition(final TableRuntimeContext lastPartition) {
    if (!lastPartition.isPartitioned()) {
        throw new IllegalStateException("lastPartition TableRuntimeContext was not partitioned");
    }//w w  w .  java  2s.c om

    final Set<String> offsetColumns = lastPartition.getSourceTableContext().getOffsetColumns();
    final Map<String, String> startingPartitionOffsets = lastPartition.getStartingPartitionOffsets();

    if (startingPartitionOffsets.size() < offsetColumns.size()) {
        // we have not yet captured an offset for every offset columns
        if (LOG.isTraceEnabled()) {
            LOG.trace("Cannot create next partition after {} since we are missing values for offset columns {}",
                    lastPartition.getPartitionSequence(),
                    Sets.difference(offsetColumns, startingPartitionOffsets.keySet()));
        }
        return null;
    }

    final Map<String, String> nextStartingOffsets = new HashMap<>();
    final Map<String, String> nextMaxOffsets = new HashMap<>();

    final int newPartitionSequence = lastPartition.partitionSequence > 0 ? lastPartition.partitionSequence + 1
            : 1;

    lastPartition.startingPartitionOffsets.forEach((col, off) -> {
        String basedOnStartOffset = lastPartition.generateNextPartitionOffset(col, off);
        nextStartingOffsets.put(col, basedOnStartOffset);
    });

    nextStartingOffsets.forEach(
            (col, off) -> nextMaxOffsets.put(col, lastPartition.generateNextPartitionOffset(col, off)));

    final TableRuntimeContext nextPartition = new TableRuntimeContext(lastPartition.sourceTableContext,
            lastPartition.usingNonIncrementalLoad, lastPartition.partitioned, newPartitionSequence,
            nextStartingOffsets, nextMaxOffsets);

    return nextPartition;
}

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From source file:acromusashi.stream.ml.clustering.kmeans.KmeansCalculator.java

/**
 * ?Counts??/*from w  w w.  j  a v a  2 s  . c  o  m*/
 * 
 * @param baseCounts Counts
 * @param targetCounts Counts
 * @param resultMapping ??
 * @return ?Counts
 */
protected static List<Long> mergeCounts(List<Long> baseCounts, List<Long> targetCounts,
        Map<Integer, Integer> resultMapping) {
    int countNum = resultMapping.size();
    List<Long> mergedCounts = new ArrayList<>(countNum);
    for (int count = 0; count < countNum; count++) {
        mergedCounts.add(0L);
    }

    for (Entry<Integer, Integer> resultEntry : resultMapping.entrySet()) {
        mergedCounts.set(resultEntry.getKey(),
                baseCounts.get(resultEntry.getKey()) + targetCounts.get(resultEntry.getValue()));
    }

    return mergedCounts;
}

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From source file:com.liveneo.plat.utils.StringUtil.java

/**
 * Replaces all HTML-sensitive characters with their entity equivalents in
 * all string values in specified model. Some model values are skipped
 * untouched (their names are contained in exceptions set).
 * //w ww.  ja va  2s .co  m
 * @param model
 *            Map of pairs <code>variable -&gt; value</code>.
 * @return Map with encoded string values
 */
public static Map htmlEncodeModelWithExceptions(Map model, Set exceptions) {
    Map result = new HashMap(model.size());
    for (Iterator i = model.entrySet().iterator(); i.hasNext();) {
        Map.Entry entry = (Map.Entry) i.next();
        String key = (String) entry.getKey();
        Object value = (Object) entry.getValue();
        if (exceptions.contains(key)) {
            result.put(key, value);
        } else {
            if (value instanceof String) {
                result.put(key, htmlEncode((String) value));
            } else {
                result.put(key, value);
            }
        }
    }
    return result;
}

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From source file:com.lxht.emos.data.cache.intf.HessianUtil.java

/**
 * ?map,??K,V = [k,v,k,v]/* w  w w.  j a va2s .  co m*/
 *
 * @param map
 * @return
 * @throws IOException
 */
public static final byte[][] mapToByteArray(Map<String, Serializable> map) throws IOException {
    if (map == null || map.isEmpty()) {
        throw new NullPointerException("mapToByteArray is null.");
    }

    byte[][] bytes = new byte[map.size() * 2][];

    int i = 0;
    for (Entry<String, Serializable> entry : map.entrySet()) {
        bytes[i] = entry.getKey().getBytes();
        bytes[i + 1] = serialize(entry.getValue());
        i = i + 2;
    }

    return bytes;

}

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From source file:Main.java

/**
 * Creates a tag from the given string values. Can be used for creating html or xml tags.
 * /*from  ww  w .  ja  v a  2  s  . c o  m*/
 * @param tagname
 *            the tagname
 * @param value
 *            the value from the tag.
 * @param attributtes
 *            a map with the attributtes
 * @return the string
 */
public static String newTag(final String tagname, final String value, final Map<String, String> attributtes) {
    StringBuilder xmlTag = new StringBuilder();
    xmlTag.append("<").append(tagname);
    if (attributtes != null && !attributtes.isEmpty()) {
        xmlTag.append(" ");
        int count = 1;
        for (Map.Entry<String, String> attributte : attributtes.entrySet()) {
            xmlTag.append(attributte.getKey());
            xmlTag.append("=");
            xmlTag.append("\"").append(attributte.getValue()).append("\"");
            if (count != attributtes.size()) {
                xmlTag.append(" ");
            }
            count++;
        }
    }
    xmlTag.append(">");
    xmlTag.append(value);
    xmlTag.append("</").append(tagname).append(">");
    return xmlTag.toString();
}

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