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:fuliao.fuliaozhijia.data.UserData.java

private static void cml() {
    String event = "<xml><ToUserName><![CDATA[gh_da521251eefb]]></ToUserName>"
            + "<FromUserName><![CDATA[o1c8wt40T2yDoCqxCkBJqg8G0yW4]]></FromUserName>"
            + "<CreateTime>1428133191</CreateTime><MsgType><![CDATA[event]]></MsgType>"
            + "<Event><![CDATA[subscribe]]></Event><EventKey><![CDATA[]]></EventKey>"
            + "<Encrypt><![CDATA[ALn/Li4lfALrfc5Z+6K1mNpAXfi1d3VRbzxiVF/jg2wPZgxofc5Kdtu/91XLkBJIQbNFmN+"
            + "GMDC6Z0PlmLmrWHckc9KILUtp3zSFbfCNV6l5gNh3SiCeMQZPmAzmT1DXd3sxxIxlirSAT6Zb3us9zfWRTWfpxzZGT"
            + "NAbw2/ZvdfvrTgFvbwmQPouTkUFtphy8NwEvCDdfkm+irADQhicsqKyFgPcfGuuVZf5QX/nPuOaIml5En6LLj/akF9"
            + "o7H3XpxyTLBv+WVetk0Zd7YJgbRCfnbnTKdTwH7rHu/O7X5OMqCdGLzX2UX7UazKgoZ0zvw50bim4PTPtJt04WkfrrT"
            + "uBWElkapAMN2yM3S5+cZETZzfAL6tTdYdLrM1W+zdwT+UjjyFJD9dkf6SBQg9Vmej5xuDOn7WmSIPedHhRtxI=]]></Encrypt></xml>";
    Map map;
    try {/*from  w ww  .j av  a 2s  . c om*/
        map = deailXml(event);
        System.out.println(map.size());
    } catch (DocumentException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

From source file:gr.abiss.calipso.dto.KeyValuePair.java

public static List<KeyValuePair> fromMap(Map map) {
    ArrayList<KeyValuePair> list = null;
    if (map != null) {
        list = new ArrayList<KeyValuePair>(map.size());
        if (map != null) {
            for (Iterator iter = map.entrySet().iterator(); iter.hasNext();) {
                Entry entry = (Entry) iter.next();
                list.add(new KeyValuePair((Serializable) entry.getKey(), (Serializable) entry.getValue()));
            }// www .ja  v  a 2s  .  c  o m
        }
    }
    return list;
}

From source file:com.espertech.esper.epl.join.assemble.AssemblyStrategyTreeBuilder.java

private static void recursiveBuild(int parentStreamNum, BaseAssemblyNode parentNode,
        Map<Integer, int[]> streamsJoinedPerStream, boolean isRequiredPerStream[]) {
    int numStreams = streamsJoinedPerStream.size();

    for (int i = 0; i < streamsJoinedPerStream.get(parentStreamNum).length; i++) {
        int streamJoined = streamsJoinedPerStream.get(parentStreamNum)[i];
        BaseAssemblyNode childNode = createNode(false, streamJoined, numStreams,
                streamsJoinedPerStream.get(streamJoined), isRequiredPerStream);
        parentNode.addChild(childNode);/*from   www.  j  a  va 2  s . co m*/

        if (streamsJoinedPerStream.get(streamJoined).length > 0) {
            recursiveBuild(streamJoined, childNode, streamsJoinedPerStream, isRequiredPerStream);
        }
    }
}

From source file:com.ocrix.ppc.commons.Validator.java

/**
 * Validates a {@link Map}//from  www .  j ava2  s.  c  o  m
 * 
 * @param groups
 *            - Map<String, PeerGroupAdvertisement>
 */
public static void validateGroupMap(Map<String, PeerGroupAdvertisement> groups) {
    if (groups == null || groups.size() == 0)
        throw new IllegalArgumentException("No group found");
}

From source file:Main.java

/** */
public static Map<QName, String> toQName(Map<String, String> setProps) {
    if (setProps == null) {
        return Collections.emptyMap();
    }/*from  w  ww .  ja  v  a2  s  .com*/
    Map<QName, String> result = new HashMap<QName, String>(setProps.size());
    for (Map.Entry<String, String> entry : setProps.entrySet()) {
        result.put(createQNameWithCustomNamespace(entry.getKey()), entry.getValue());
    }
    return result;
}

From source file:Utils.java

/**
 * Create a typesafe copy of a raw map.//from   w  ww. j av  a2  s.c o m
 * @param rawMap an unchecked map
 * @param keyType the desired supertype of the keys
 * @param valueType the desired supertype of the values
 * @param strict true to throw a <code>ClassCastException</code> if the raw map has an invalid key or value,
 *               false to skip over such map entries (warnings may be logged)
 * @return a typed map guaranteed to contain only keys and values assignable
 *         to the named types (or they may be null)
 * @throws ClassCastException if some key or value in the raw map was not well-typed, and only if <code>strict</code> was true
 */
public static <K, V> Map<K, V> checkedMapByCopy(Map rawMap, Class<K> keyType, Class<V> valueType,
        boolean strict) throws ClassCastException {
    Map<K, V> m2 = new HashMap<K, V>(rawMap.size() * 4 / 3 + 1);
    Iterator it = rawMap.entrySet().iterator();
    while (it.hasNext()) {
        Map.Entry e = (Map.Entry) it.next();
        try {
            m2.put(keyType.cast(e.getKey()), valueType.cast(e.getValue()));
        } catch (ClassCastException x) {
            if (strict) {
                throw x;
            } else {
                System.out.println("not assignable");
            }
        }
    }
    return m2;
}

From source file:Main.java

public static <T> T mostCommon(List<T> list, double percent) {
    if (list.isEmpty())
        return null;

    Map<T, Integer> map = new HashMap<>();

    for (T t : list) {
        Integer count = map.get(t);
        map.put(t, count == null ? 1 : count + 1);
    }/*from w  ww  .  j a  v a  2 s .  c  o  m*/

    double freq = map.size() / (double) list.size();
    if (1.0 == freq || (1.0 - freq) < percent)
        return null;

    Entry<T, Integer> max = null;
    for (Entry<T, Integer> e : map.entrySet()) {
        if (max == null || e.getValue() > max.getValue()) {
            max = e;
        }
    }

    return max.getKey();
}

From source file:com.quartz.monitor.util.Tools.java

public static QuartzInstance getQuartzInstance() {

    HttpServletRequest request = ServletActionContext.getRequest();// request
    HttpSession session = request.getSession();// requestsession
    String uuid = (String) session.getAttribute("configId");
    Map<String, QuartzInstance> quartzInstanceMap = QuartzInstanceContainer.getQuartzInstanceMap();
    if (quartzInstanceMap == null || quartzInstanceMap.size() == 0 || uuid == null || uuid.equals("")) {
        return null;
    }//from www  . j a  va 2s .c o m
    QuartzInstance instance = quartzInstanceMap.get(uuid);

    if (instance == null) {
        try {
            new InitAction().execute();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        instance = Tools.getQuartzInstance();
    }
    return instance;
}

From source file:com.spotify.scio.extra.transforms.ProcessUtil.java

static String[] createEnv(Map<String, String> environment) {
    if (environment == null || environment.isEmpty()) {
        return null;
    }/*from   w ww  .  j a v a 2 s . c o m*/
    String[] envp = new String[environment.size()];
    int i = 0;
    for (Map.Entry<String, String> e : environment.entrySet()) {
        envp[i] = e.getKey() + "=" + e.getValue();
        i++;
    }
    return envp;
}

From source file:Main.java

public static <TKey, TValue> boolean MapEquals(Map<TKey, TValue> mapA, Map<TKey, TValue> mapB) {
    if (mapA == null) {
        return mapB == null;
    }/*from  w ww.j a va  2 s .  co  m*/
    if (mapB == null) {
        return false;
    }
    if (mapA.size() != mapB.size()) {
        return false;
    }
    for (Map.Entry<TKey, TValue> kvp : mapA.entrySet()) {
        TValue valueB = null;
        boolean hasKey;
        valueB = mapB.get(kvp.getKey());
        hasKey = (valueB == null) ? mapB.containsKey(kvp.getKey()) : true;
        if (hasKey) {
            TValue valueA = kvp.getValue();
            if (!(((valueA) == null) ? ((valueB) == null) : (valueA).equals(valueB))) {
                return false;
            }
        } else {
            return false;
        }
    }
    return true;
}