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.surfs.storage.common.util.HttpUtils.java

public static String getUrlForParams(String ip, String port, String servicePath, String serviceName,
        Map<String, String> args) throws UnsupportedEncodingException {
    StringBuilder params = new StringBuilder();
    params.append("http://");
    params.append(ip);/*from w w w  . ja va 2 s. c  om*/
    params.append(":");
    params.append(port);
    params.append(servicePath);
    params.append(serviceName);
    params.append("?");

    int size = args.size();
    // args
    for (Entry<String, String> arg : args.entrySet()) {
        --size;
        params.append(arg.getKey() + "=");
        params.append(URLEncoder.encode(arg.getValue(), "UTF-8"));
        if (size != 0)
            params.append("&");
    }

    return params.toString();
}

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From source file:com.p5solutions.core.utils.Comparison.java

/**
 * Checks if a map is empty or null./*from  w  w  w . ja  va 2  s. co  m*/
 *
 * @param map the map
 * @return true, if is empty or null
 */
public static boolean isEmptyOrNull(Map<?, ?> map) {
    if (isNull(map)) {
        return true;
    }

    if (map.size() == 0) {
        return true;
    }

    return false;
}

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From source file:org.jhk.pulsing.web.service.prod.helper.PulseServiceUtil.java

public static Map<Long, String> processTrendingPulseSubscribe(Set<String> tps, ObjectMapper objMapper) {

    @SuppressWarnings("unchecked")
    Map<Long, String> tpSubscriptions = Collections.EMPTY_MAP;
    final Map<String, Integer> count = new HashMap<>();

    tps.parallelStream().forEach(tpsIdValueCounts -> {

        try {/*from  w  w w  . ja  va2  s .  com*/
            _LOGGER.debug(
                    "PulseServiceUtil.processTrendingPulseSubscribe: trying to convert " + tpsIdValueCounts);

            Map<String, Integer> converted = objMapper.readValue(tpsIdValueCounts,
                    _TRENDING_PULSE_SUBSCRIPTION_TYPE_REF);

            _LOGGER.debug("PulseServiceUtil.processTrendingPulseSubscribe: sucessfully converted "
                    + converted.size());

            //Structure is <id>0x07<value>0x13<timestamp> -> count; i.e. {"10020x07Mocked 10020x13<timestamp>" -> 1}
            //Need to split the String content, gather the count for the searched interval
            //and return the sorted using Java8 stream
            //TODO impl better

            Map<String, Integer> computed = converted.entrySet().stream().reduce(new HashMap<String, Integer>(),
                    (Map<String, Integer> mapped, Entry<String, Integer> entry) -> {
                        String[] split = entry.getKey()
                                .split(CommonConstants.TIME_INTERVAL_PERSIST_TIMESTAMP_DELIM);
                        Integer value = entry.getValue();

                        mapped.compute(split[0], (key, val) -> {
                            return val == null ? value : val + value;
                        });

                        return mapped;
                    }, (Map<String, Integer> result, Map<String, Integer> aggregated) -> {
                        result.putAll(aggregated);
                        return result;
                    });

            computed.entrySet().parallelStream().forEach(entry -> {
                Integer value = entry.getValue();

                count.compute(entry.getKey(), (key, val) -> {
                    return val == null ? value : val + value;
                });
            });

        } catch (Exception cException) {
            cException.printStackTrace();
        }
    });

    if (count.size() > 0) {
        tpSubscriptions = count.entrySet().stream()
                .sorted(Map.Entry.comparingByValue(Comparator.reverseOrder()))
                .collect(Collectors.toMap(
                        entry -> Long.parseLong(
                                entry.getKey().split(CommonConstants.TIME_INTERVAL_ID_VALUE_DELIM)[0]),
                        entry -> entry.getKey().split(CommonConstants.TIME_INTERVAL_ID_VALUE_DELIM)[1],
                        (x, y) -> {
                            throw new AssertionError();
                        }, LinkedHashMap::new));
    }

    return tpSubscriptions;
}

---

From source file:org.springframework.data.solr.server.support.SolrServerUtils.java

private static LBHttpSolrServer cloneSolr4LBHttpServer(SolrServer solrServer, String core)
        throws MalformedURLException, InstantiationException, IllegalAccessException, IllegalArgumentException,
        InvocationTargetException {
    Map<String, ?> map = readField(solrServer, "aliveServers");

    String[] servers = new String[map.size()];
    int i = 0;//  w ww . j ava2s.co m
    for (String key : map.keySet()) {
        servers[i] = appendCoreToBaseUrl(key, core);
        i++;
    }

    Boolean isInternalCient = readField(solrServer, "clientIsInternal");

    if (isInternalCient != null && !isInternalCient) {
        HttpClient clientToUse = readAndCloneHttpClient(solrServer);
        return new LBHttpSolrServer(clientToUse, servers);
    }
    return new LBHttpSolrServer(servers);
}

---

From source file:com.adaptris.core.RetryMessageErrorHandlerImp.java

protected static Map<String, Workflow> filterStarted(Map<String, Workflow> workflows) {
    Map<String, Workflow> result = new HashMap<>(workflows.size());
    for (Map.Entry<String, Workflow> entry : workflows.entrySet()) {
        if (StartedState.getInstance().equals(entry.getValue().retrieveComponentState())) {
            result.put(entry.getKey(), entry.getValue());
        }/*from   w  w  w.j  a v a  2  s .com*/
    }
    return result;
}

---

From source file:com.google.appengine.tools.mapreduce.impl.ShardStateEntity.java

/**
 * Gets all shard states corresponding to a particular Job ID
 *///from w  ww  . jav a 2s.  c  o m
public static <K, V, OK, OV> List<ShardStateEntity<K, V, OK, OV>> getShardStates(
        MapperStateEntity<K, V, OK, OV> mapperState) {
    Collection<Key> keys = new ArrayList<Key>();
    for (int i = 0; i < mapperState.getShardCount(); ++i) {
        keys.add(createKey(mapperState.getJobID(), i));
    }

    Map<Key, Entity> map = getDatastoreService().get(keys);
    List<ShardStateEntity<K, V, OK, OV>> shardStates = new ArrayList<ShardStateEntity<K, V, OK, OV>>(
            map.size());
    for (Key key : keys) {
        Entity entity = map.get(key);
        if (entity != null) {
            ShardStateEntity<K, V, OK, OV> shardState = new ShardStateEntity<K, V, OK, OV>(entity);
            shardStates.add(shardState);
        }
    }
    return shardStates;
}

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From source file:com.linkedin.pinot.controller.helix.core.UAutoRebalancer.java

public static boolean isTheSameMapping(Map oldMapping, Map nMapping) {
    if (oldMapping.size() != nMapping.size())
        return false;
    Map<String, Object> total = new HashedMap(oldMapping);
    total.putAll(nMapping);/*from ww  w  . j  a  v  a2s  .com*/
    if (total.size() != oldMapping.size())
        return false;
    Set<Boolean> result = new HashSet<Boolean>();
    for (Object oKey : oldMapping.keySet()) {
        Object oValue = oldMapping.get(oKey);
        if (oValue instanceof String) {
            result.add(oValue.equals(nMapping.get(oValue)));
        } else if (oValue instanceof Map) {
            result.add(isTheSameMapping((Map) oValue, (Map) nMapping.get(oKey)));
        }
    }
    if (result.size() != 1)
        return false;
    return true;
}

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From source file:com.langnatech.util.AssertUtil.java

/**
 * Assert that a Map has entries; that is, it must not be {@code null} and must have at least one entry. <pre
 * class="code">Assert.notEmpty(map, "Map must have entries");</pre>
 * /*from   www. j a va 2s. co  m*/
 * @param map the map to check
 * @param message the exception message to use if the assertion fails
 * @throws IllegalArgumentException if the map is {@code null} or has no entries
 */
public static void notEmpty(Map<?, ?> map, String message) {
    if (map == null || map.size() == 0) {
        throw new IllegalArgumentException(message);
    }
}

---

From source file:com.microsoft.azure.shortcuts.resources.samples.ProvidersSample.java

public static void test(Subscription subscription) throws Exception {
    // List provider namespaces
    Map<String, Provider> providers = subscription.providers().asMap();
    System.out//from ww  w. j  av a  2s.c om
            .println(String.format("Provider namespaces: %s\t", StringUtils.join(providers.keySet(), "\n\t")));

    // List providers
    for (Provider provider : providers.values()) {
        System.out.println(provider.id() + " - " + provider.registrationState());
    }

    if (providers.size() > 0) {
        // Get information about a specific provider
        Provider provider = subscription.providers("microsoft.classicstorage");

        System.out.println(String.format(
                "Found provider: %s\n" + "\tRegistration State: %s\n" + "\tAPI versions for resource types:",
                provider.id(), provider.registrationState()));

        for (ResourceType t : provider.resourceTypes().values()) {
            System.out.println(String.format("\t\t%s: %s", t.id(), StringUtils.join(t.apiVersions(), ", ")));
        }

        // Get latest API version for a specific resource type
        String resourceType = "storageAccounts";
        System.out.println(String.format("\n\t\tLatest version for type %s: %s", resourceType,
                provider.resourceTypes().get(resourceType).latestApiVersion()));

        // Get latest API version for a specific resource type - shortcut
        System.out.println(String.format("\n\t\tLatest version for type %s: %s", resourceType,
                provider.resourceTypes(resourceType).latestApiVersion()));
    }
}

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From source file:edu.cornell.mannlib.vitro.webapp.edit.n3editing.VTwo.fields.SelectListGeneratorVTwo.java

public static Map<String, String> getSortedMap(Map<String, String> hmap, Comparator<String[]> comparator,
        VitroRequest vreq) {//  w  ww . j a  v a 2  s . c o m
    // first make temporary list of String arrays holding both the key and its corresponding value, so that the list can be sorted with a decent comparator
    List<String[]> objectsToSort = new ArrayList<String[]>(hmap.size());
    for (String key : hmap.keySet()) {
        String[] x = new String[2];
        x[0] = key;
        x[1] = hmap.get(key);
        objectsToSort.add(x);
    }

    //if no comparator is passed in, utilize MapPairsComparator
    if (comparator == null) {
        comparator = new MapPairsComparator(vreq);
    }

    Collections.sort(objectsToSort, comparator);

    HashMap<String, String> map = new LinkedHashMap<String, String>(objectsToSort.size());
    for (String[] pair : objectsToSort) {
        map.put(pair[0], pair[1]);
    }
    return map;
}

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