Example usage for java.util Iterator forEachRemaining

Introduction

In this page you can find the example usage for java.util Iterator forEachRemaining.

Prototype

default void forEachRemaining(Consumer<? super E> action) 

Source Link

Document

Performs the given action for each remaining element until all elements have been processed or the action throws an exception.

Usage

From source file:Main.java

public static void main(String[] args) {
    // Create a list of strings
    List<String> names = new ArrayList<>();
    names.add("A");
    names.add("B");
    names.add("C");

    Iterator<String> nameIterator = names.iterator();
    nameIterator.forEachRemaining(System.out::println);
}

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From source file:Main.java

/**
 * Converts the given iterator to collection created via the provided {@link Supplier}.
 * <p>/*ww  w  .j a  v  a  2  s . c o m*/
 * Example use: <code>List&lt;String&gt; list = CollectionUtils.toCollection(iterator, LinkedList::new);</code>
 *
 * @param <T>
 *            the generic type
 * @param <C>
 *            the generic type
 * @param iterator
 *            the iterator
 * @param newInstance
 *            the new instance
 * @return the c
 */
public static <T, C extends Collection<T>> C toCollection(Iterator<T> iterator, Supplier<C> newInstance) {
    Objects.requireNonNull(iterator, "The iterator is required");
    Objects.requireNonNull(newInstance, "New Instance supplier is required");

    C list = newInstance.get();
    iterator.forEachRemaining(list::add);
    return list;
}

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From source file:io.gravitee.policy.oauth2.Oauth2Policy.java

static boolean hasRequiredScopes(JsonNode oauthResponseNode, List<String> requiredScopes,
        String scopeSeparator) {/*ww w. ja v a2 s  .  c  o m*/
    if (requiredScopes == null) {
        return true;
    }

    JsonNode scopesNode = oauthResponseNode.path(OAUTH_PAYLOAD_SCOPE_NODE);

    List<String> scopes;
    if (scopesNode instanceof ArrayNode) {
        Iterator<JsonNode> scopeIterator = scopesNode.elements();
        scopes = new ArrayList<>(scopesNode.size());
        List<String> finalScopes = scopes;
        scopeIterator.forEachRemaining(jsonNode -> finalScopes.add(jsonNode.asText()));
    } else {
        scopes = Arrays.asList(scopesNode.asText().split(scopeSeparator));
    }

    return scopes.containsAll(requiredScopes);
}

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From source file:com.vmware.loginsightapi.Configuration.java

/**
 * Builds the Configuration object from the properties file (apache commons
 * properties file format). <br>/*from ww  w  . j av  a2  s.c  om*/
 * The values provided in the config file will be overwritten environment
 * variables (if present)
 * 
 * List of the properties <br>
 * loginsight.host = host name <br>
 * loginsight.port = port number <br>
 * loginsight.user = User name <br>
 * loginsight.password = password <br>
 * loginsight.ingestion.agentId = agentId <br>
 * loginsight.connection.scheme = http protocol scheme <br>
 * loginsight.ingestion.port = Ingestion port number <br>
 * 
 * @param configFileName
 *            Name of the config file to read
 * @return Newly created Configuration object
 */
public static Configuration buildFromConfig(String configFileName) {
    try {
        List<FileLocationStrategy> subs = Arrays.asList(new ProvidedURLLocationStrategy(),
                new FileSystemLocationStrategy(), new ClasspathLocationStrategy());
        FileLocationStrategy strategy = new CombinedLocationStrategy(subs);

        FileBasedConfigurationBuilder<PropertiesConfiguration> builder = new FileBasedConfigurationBuilder<PropertiesConfiguration>(
                PropertiesConfiguration.class).configure(
                        new Parameters().fileBased().setLocationStrategy(strategy).setFileName(configFileName));
        PropertiesConfiguration propConfig = builder.getConfiguration();
        Map<String, String> propMap = new HashMap<String, String>();
        Iterator<String> keys = propConfig.getKeys();
        keys.forEachRemaining(key -> {
            logger.info(key + ":" + propConfig.getString(key));
            propMap.put(key, propConfig.getString(key));
        });
        Configuration config = Configuration.buildConfig(propMap);
        config.loadFromEnv();
        return config;
    } catch (ConfigurationException e1) {
        throw new RuntimeException("Unable to load config", e1);
    }
}

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From source file:org.apache.geode.geospatial.grid.IndexHAMaintenance.java

@Override
public void afterBucketRemoved(int bucketId, Iterable<?> keys) {
    Iterator<?> it = keys.iterator();
    it.forEachRemaining(key -> geospatialIndex.remove(key));
}

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From source file:io.gravitee.gateway.service.ratelimit.RateLimitPoller.java

@Override
public void run() {
    try {/*from   w  ww  . ja v  a2s.c  o m*/
        LOGGER.debug("Refresh rate-limits from repository");
        Iterator<RateLimit> rateLimitIterator = delegateRateLimitRepository.findAsyncAfter(lastCheck);

        rateLimitIterator.forEachRemaining(rateLimit -> {
            String[] parts = KeySplitter.split(rateLimit.getKey());

            // Handle the rate-limit only if it's not a "local" rate-limit
            // (ie. not stored by this gateway instance)
            if (!node.id().equals(parts[0])) {
                String rateLimitKey = parts[1];

                long hits = rateLimit.getCounter();

                RateLimit oldRateLimit = aggregateCacheRateLimitRepository.get(rateLimit.getKey());
                if (oldRateLimit != null) {
                    // Already known, what is the diff ?
                    // Is it a new value for the same rate-limit key ?
                    if (rateLimit.getCreatedAt() > oldRateLimit.getCreatedAt()) {
                        hits = rateLimit.getCounter();
                    } else {
                        hits = rateLimit.getCounter() - oldRateLimit.getCounter();
                    }
                }

                updateAggregateRateLimit(rateLimitKey, rateLimit, hits);
            }
        });

        lastCheck = System.currentTimeMillis();
    } catch (Exception ex) {
        LOGGER.error("Unable to retrieve latest values of rate-limit from repository", ex);
    }
}

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From source file:io.mindmaps.graql.internal.analytics.CountMapReduce.java

@Override
public Map<Serializable, Long> generateFinalResult(final Iterator<KeyValue<Serializable, Long>> keyValues) {
    final Map<Serializable, Long> count = new HashMap<>();
    keyValues.forEachRemaining(pair -> count.put(pair.getKey(), pair.getValue()));
    return count;
}

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From source file:org.openmhealth.shim.withings.mapper.WithingsIntradayStepCountDataPointMapper.java

/**
 * Creates a map that contains only the entries from the intraday activities dictionary that have step counts.
 *
 * @param fieldsIterator an iterator of map entries containing the key-value pairs related to each intraday
 * activity/*  w w  w  .  j  a  v a  2s.co m*/
 * event
 * @return a map with keys as the start datetime (in unix epoch seconds) of each activity event, and values as
 * the information related to the activity event starting at the key datetime
 */
private Map<Long, JsonNode> getNodesWithSteps(Iterator<Map.Entry<String, JsonNode>> fieldsIterator) {
    HashMap<Long, JsonNode> nodesWithSteps = Maps.newHashMap();
    fieldsIterator.forEachRemaining(n -> addNodeIfHasSteps(nodesWithSteps, n));
    return nodesWithSteps;
}

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From source file:com.thinkbiganalytics.metadata.cache.AlertsCache.java

protected List<AlertSummaryGrouped> fetchUnhandledAlerts() {
    List<AlertSummary> alerts = new ArrayList<>();
    AlertCriteria criteria = alertProvider.criteria();
    new AlertCriteriaInput.Builder().state(Alert.State.UNHANDLED).asServiceAccount(true)
            .onlyIfChangesDetected(true).applyToCriteria(criteria);
    Iterator<? extends AlertSummary> itr = alertProvider.getAlertsSummary(criteria);
    if (itr.hasNext()) {
        itr.forEachRemaining(alerts::add);
        List<AlertSummaryGrouped> latestAlerts = new ArrayList<>(alertsModel.groupAlertSummaries(alerts));
        return latestAlerts;
    } else {//ww w  .  j  a va2  s .c  om
        return Collections.emptyList();
    }
}

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From source file:org.openmhealth.shim.withings.mapper.WithingsIntradayCaloriesBurnedDataPointMapper.java

/**
 * Creates a hashmap that contains only the entries from the intraday activities dictionary that have calories
 * burned counts.//from w  w  w.  ja v a  2  s  .c  om
 *
 * @param fieldsIterator an iterator of map entries containing the key-value pairs related to each intraday
 * activity event
 * @return a hashmap with keys as the start datetime (in unix epoch seconds) of each activity event, and values as
 * the information related to the activity event starting at the key datetime
 */
private Map<Long, JsonNode> getNodesWithCalories(Iterator<Map.Entry<String, JsonNode>> fieldsIterator) {

    HashMap<Long, JsonNode> nodesWithCalories = Maps.newHashMap();
    fieldsIterator.forEachRemaining(n -> addNodesIfHasCalories(nodesWithCalories, n));
    return nodesWithCalories;

}

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