Example usage for java.util Iterator remove

Introduction

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

Prototype

default void remove() 

Source Link

Document

Removes from the underlying collection the last element returned by this iterator (optional operation).

Usage

From source file:es.caib.zkib.jxpath.util.ValueUtils.java

/**
 * Remove the index'th element from the supplied collection.
 * @param collection to edit/*from  w  ww . j  av a2 s  .c  o  m*/
 * @param index int
 * @return the resulting collection
 */
public static Object remove(Object collection, int index) {
    collection = getValue(collection);
    if (collection == null) {
        return null;
    }
    if (index >= getLength(collection)) {
        throw new JXPathException("No such element at index " + index);
    }
    if (collection.getClass().isArray()) {
        int length = Array.getLength(collection);
        Object smaller = Array.newInstance(collection.getClass().getComponentType(), length - 1);
        if (index > 0) {
            System.arraycopy(collection, 0, smaller, 0, index);
        }
        if (index < length - 1) {
            System.arraycopy(collection, index + 1, smaller, index, length - index - 1);
        }
        return smaller;
    }
    if (collection instanceof List) {
        int size = ((List) collection).size();
        if (index < size) {
            ((List) collection).remove(index);
        }
        return collection;
    }
    if (collection instanceof Collection) {
        Iterator it = ((Collection) collection).iterator();
        for (int i = 0; i < index; i++) {
            if (!it.hasNext()) {
                break;
            }
            it.next();
        }
        if (it.hasNext()) {
            it.next();
            it.remove();
        }
        return collection;
    }
    throw new JXPathException("Cannot remove " + collection.getClass().getName() + "[" + index + "]");
}

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From source file:com.icesoft.faces.util.event.servlet.ContextEventRepeater.java

private static void removeBufferedEvents(final String iceFacesId, final int viewNumber) {

    synchronized (BUFFERED_CONTEXT_EVENTS) {
        Iterator _bufferedContextEvents = BUFFERED_CONTEXT_EVENTS.iterator();
        while (_bufferedContextEvents.hasNext()) {
            Object event = _bufferedContextEvents.next();
            if (event instanceof ViewNumberRetrievedEvent
                    && ((ViewNumberRetrievedEvent) event).getICEfacesID().equals(iceFacesId)
                    && ((ViewNumberRetrievedEvent) event).getViewNumber() == viewNumber) {

                _bufferedContextEvents.remove();
            }//w  w  w. j a v  a2s  .co  m
        }
    }
}

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From source file:eulermind.importer.LineNode.java

private static void brokenSentencesToTree(LineNode root) {

    //????/*w  w w . j a  v  a2s .c  om*/
    ArrayList<Integer> lineStarts = new ArrayList<>();
    String combinedLine = "";
    for (int i = 0; i < root.getChildCount(); i++) {
        lineStarts.add(combinedLine.length());
        combinedLine += root.getChildAt(i).m_trimLine + (i < root.getChildCount() - 1 ? " " : "");
    }
    lineStarts.add(combinedLine.length()); //

    //???
    BreakIterator boundary = BreakIterator.getSentenceInstance(getStringULocale(combinedLine));
    boundary.setText(combinedLine);

    ArrayList<Integer> icuSentenceStarts = new ArrayList<>();
    for (int icuSentenceStart = boundary.first(); icuSentenceStart != BreakIterator.DONE; //icuSentenceStartcombinedLine.length()
            icuSentenceStart = boundary.next()) {

        icuSentenceStarts.add(icuSentenceStart);
    }

    //???
    Iterator<Integer> lineStartIter = lineStarts.iterator();
    while (lineStartIter.hasNext()) {
        Integer lineStart = lineStartIter.next();
        if (!(icuSentenceStarts.contains(lineStart - 1) || icuSentenceStarts.contains(lineStart))) {
            lineStartIter.remove();
        }
    }

    assert (lineStarts.contains(combinedLine.length()));

    //???
    //1 ????, ?linsStarts.size == 2 (0combinedLine.length())  root.getChildCount >= 2
    //2 ????
    if (lineStarts.size() == 2 && root.getChildCount() >= 2 || lineStarts.size() - 1 == root.getChildCount()) {
        return;
    }

    assert (lineStarts.size() - 1 < root.getChildCount());

    root.removeAllChildren();

    //??
    // ??
    // ????
    for (int lineIdx = 0; lineIdx < lineStarts.size() - 1; lineIdx++) {
        int lineStart = lineStarts.get(lineIdx);
        int lineEnd = lineStarts.get(lineIdx + 1);

        int firstSentenceInThisLine = 0;
        int firstSentenceInNextLine = 0;

        for (firstSentenceInThisLine = 0; firstSentenceInThisLine < icuSentenceStarts.size()
                - 1; firstSentenceInThisLine++) {
            int sentenceStart = icuSentenceStarts.get(firstSentenceInThisLine);
            if (lineStart <= sentenceStart && sentenceStart < lineEnd) {
                break;
            }
        }

        for (firstSentenceInNextLine = firstSentenceInThisLine
                + 1; firstSentenceInNextLine < icuSentenceStarts.size() - 1; firstSentenceInNextLine++) {
            int sentenceStart = icuSentenceStarts.get(firstSentenceInNextLine);
            if (sentenceStart >= lineEnd) {
                break;
            }
        }

        assert firstSentenceInNextLine - firstSentenceInThisLine >= 1;

        if (firstSentenceInNextLine - firstSentenceInThisLine == 1) {
            int sentenceStart = icuSentenceStarts.get(firstSentenceInThisLine);
            int sentenceEnd = icuSentenceStarts.get(firstSentenceInNextLine);

            LineNode lineNode = new LineNode(combinedLine.substring(sentenceStart, sentenceEnd));
            root.add(lineNode);

        } else {
            LineNode lineNode = new LineNode("p");
            for (int sentence = firstSentenceInThisLine; sentence < firstSentenceInNextLine; sentence++) {
                int sentenceStart = icuSentenceStarts.get(sentence);
                int sentenceEnd = icuSentenceStarts.get(sentence + 1);

                LineNode sentenceNode = new LineNode(combinedLine.substring(sentenceStart, sentenceEnd));
                lineNode.add(sentenceNode);
            }
            root.add(lineNode);
        }
    }
    //s_logger.info("ccccccccccc: {}", lineTreeToString(root));
}

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From source file:sce.RESTAppMetricJob.java

public static String printMap(Map mp) {
    String result = "";
    Iterator it = mp.entrySet().iterator();
    while (it.hasNext()) {
        Map.Entry pairs = (Map.Entry) it.next();
        //System.out.println(pairs.getKey() + " = " + pairs.getValue());
        result += pairs.getKey() + " = " + pairs.getValue() + "\n";
        it.remove(); // avoids a ConcurrentModificationException
    }/*from w w  w  .j a v a  2  s.  com*/
    return result;
}

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From source file:com.aurel.track.exchange.excel.ExcelFieldMatchBL.java

/**
 * Match by fieldConfigBean labels/*from www.  jav  a2 s.c  o m*/
 * @param excelColumnNames
 * @param fieldConfigsMap
 * @param previousMappings
 */
private static void addMatch(Set<String> excelColumnNames, Map<String, TFieldConfigBean> fieldConfigsMap,
        Map<String, Integer> previousMappings) {
    if (!excelColumnNames.isEmpty()) {
        Iterator<String> itrExcelColumNames = excelColumnNames.iterator();
        while (itrExcelColumNames.hasNext()) {
            String columName = itrExcelColumNames.next();
            if (fieldConfigsMap.containsKey(columName)) {
                TFieldConfigBean fieldConfigBean = fieldConfigsMap.get(columName);
                if (fieldConfigBean != null) {
                    previousMappings.put(columName, fieldConfigBean.getObjectID());
                    itrExcelColumNames.remove();
                }
            }
        }
    }
}

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From source file:de.icongmbh.oss.maven.plugin.javassist.ClassnameExtractor.java

/**
 * Wrapping the iterator (as reference) of class file names and extract full qualified class name
 * on//from ww  w . ja v  a2 s  .c  o  m
 * {@link Iterator#next()}.
 * <p>
 * It is possible that {@link Iterator#hasNext()} returns {@code true} and {@link Iterator#next()}
 * returns {@code null}.
 * </p>
 *
 * @param parentDirectory to remove from {@code classFile} and maybe {@code null}.
 * @param classFileIterator to extract the names from. Must not be {@code null}.
 * @return iterator of full qualified class names based on passed classFiles or {@code null}
 * @see #extractClassNameFromFile(File, File)
 */
// DANGEROUS call by reference
public static Iterator<String> iterateClassnames(final File parentDirectory,
        final Iterator<File> classFileIterator) {
    return new Iterator<String>() {

        @Override
        public boolean hasNext() {
            return classFileIterator == null ? false : classFileIterator.hasNext();
        }

        @Override
        public String next() {
            final File classFile = classFileIterator.next();
            try {
                // possible returns null
                return extractClassNameFromFile(parentDirectory, classFile);
            } catch (final IOException e) {
                throw new RuntimeException(e.getMessage());
            }
        }

        @Override
        public void remove() {
            classFileIterator.remove();
        }
    };
}

---

From source file:com.github.drochetti.javassist.maven.ClassnameExtractor.java

/**
 * Wrapping passed iterator (as reference) of class file names and extract full qualified class name on
 * {@link Iterator#next()}./*w  ww  . j ava  2 s .  c  om*/
 * <p>
 * It is possible that {@link Iterator#hasNext()} returns <code>true</code>
 * and {@link Iterator#next()} returns <code>null</code>.
 * 
 * @param parentDirectory
 * @param classFiles
 * @return iterator of full qualified class names based on passed classFiles
 *         or <code>null</code>
 * @see #extractClassNameFromFile(File, File)
 */
// DANGEROUS call by reference
public static Iterator<String> iterateClassnames(final File parentDirectory,
        final Iterator<File> classFileIterator) {
    return new Iterator<String>() {

        // @Override
        public boolean hasNext() {
            return classFileIterator == null ? false : classFileIterator.hasNext();
        }

        // @Override
        public String next() {
            final File classFile = classFileIterator.next();
            try {
                // possible returns null
                return extractClassNameFromFile(parentDirectory, classFile);
            } catch (final IOException e) {
                throw new RuntimeException(e.getMessage());
            }
        }

        // @Override
        public void remove() {
            classFileIterator.remove();
        }
    };
}

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From source file:com.linkedin.pinot.core.realtime.impl.kafka.KafkaConsumerManager.java

public static void closeAllConsumers() {
    try {//from  ww w  . j  av a2  s  .  co m
        // Shutdown all consumers
        synchronized (KafkaConsumerManager.class) {
            LOGGER.info("Trying to shutdown all the kafka consumers");
            Iterator<ConsumerAndIterator> consumerIterator = CONSUMER_AND_ITERATOR_FOR_CONFIG_KEY.values()
                    .iterator();

            while (consumerIterator.hasNext()) {
                ConsumerAndIterator consumerAndIterator = consumerIterator.next();
                LOGGER.info("Trying to shutdown consumer/iterator {}", consumerAndIterator.getId());
                try {
                    consumerAndIterator.getConsumer().shutdown();
                } catch (Exception e) {
                    LOGGER.warn("Caught exception while shutting down Kafka consumer with id {}",
                            consumerAndIterator.getId(), e);
                }
                consumerIterator.remove();
            }
            CONSUMER_AND_ITERATOR_FOR_CONFIG_KEY.clear();
            CONSUMER_RELEASE_TIME.clear();
        }
    } catch (Exception e) {
        LOGGER.warn("Caught exception during shutting down all kafka consumers", e);
    }
}

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From source file:com.btisystems.pronx.ems.App.java

/**
 * Load mibs from list of source files./*from  w w w  .j a  v a  2  s  . c  om*/
 * 
 * @param group DeviceGroup
 * @param loader Mib Loader
 * @param source Mib Source
 * @param interfaceMap Supported Interfaces
 * @return
 */
private static Collection<String> compileMibs(final DeviceGroup group, final MibLoader loader,
        final MibSource source, final Map<String, JDefinedClass> interfaceMap) {

    // Get complete package name using group + source.
    final String packageName = buildPackageName(group.getPackageName(), source.getPackageName());

    final List<MibValueSymbol> rootSymbols = locateRootSymbols(loader, source.getRootObjects());
    final Map<String, List<MibValueSymbol>> symbolMap = locateChildSymbols(rootSymbols,
            source.getExcludedRootObjects());

    final MibEntityCompiler compiler = new MibEntityCompiler(symbolMap, packageName, interfaceMap, codeModel);

    compiler.importDependencies();

    for (List<MibValueSymbol> symbolList : symbolMap.values()) {
        final Iterator<MibValueSymbol> iterator = symbolList.iterator();
        while (iterator.hasNext()) {
            final MibValueSymbol symbol = iterator.next();
            if (MibEntityCompiler.IMPORTED_SYMBOLS.contains(getOidFromSymbol(symbol))) {
                LOG.debug("removing common symbol:{}", getOidFromSymbol(symbol));
                iterator.remove();
            }
        }
    }

    compiler.compile(codeModel);

    compileNotifications(loader, packageName, source.isGenerateNotificationObjects());

    final Map<String, JDefinedClass> classes = compiler.getEntityClasses();

    return compiler.generateRootEntity(classes);
}

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From source file:com.ikanow.infinit.e.processing.generic.aggregation.AssociationAggregationUtils.java

public static void synchronizeEventFeature(AssociationFeaturePojo eventFeature, ObjectId communityId) {
    DBCollection eventFeatureDb = DbManager.getFeature().getAssociation();

    // NOTE: Important that feeds update occurs before synchronization, since the sync "corrupts" the event      

    if (_diagnosticMode || (null != eventFeature.getDb_sync_time())
            || (null != eventFeature.getDb_sync_prio())) {
        // Else this is a new feature so don't need to update the feature DB, only the index (if db_sync_prio null then have to update to avoid b/g aggergation loop)
        // (note that db_sync_prio will in practice not be set when this is a new feature because it will have same sync_doccount as doc_count)

        long nCurrTime = System.currentTimeMillis();
        //(query from top of the function, basically lookup on gaz_index)
        BasicDBObject update2 = new BasicDBObject();
        update2.put(AssociationFeaturePojo.db_sync_time_, Long.toString(nCurrTime));
        update2.put(AssociationFeaturePojo.db_sync_doccount_, eventFeature.getDoccount());
        BasicDBObject update = new BasicDBObject(MongoDbManager.set_, update2);
        // (also can be added to below)
        BasicDBObject update3 = new BasicDBObject(EntityFeaturePojo.db_sync_prio_, 1);
        update.put(MongoDbManager.unset_, update3);
        BasicDBObject query = new BasicDBObject(AssociationFeaturePojo.index_, eventFeature.getIndex());
        query.put(AssociationFeaturePojo.communityId_, communityId);

        // Keep the number of entity1 and entity2 sets down to a reasonable number
        // (In the end would like to be able to do this based on date rather than (essentially) completely randomly)
        int nSize;
        BasicDBObject toPull = null;//from www  .ja v a  2s  .co m
        if (null != eventFeature.getEntity1()) {
            if ((nSize = eventFeature.getEntity1().size()) > AssociationFeaturePojo.entity_MAXFIELDS) {
                if (null == toPull)
                    toPull = new BasicDBObject();
                ArrayList<String> ent1ToRemove = new ArrayList<String>(
                        eventFeature.getEntity1().size() - AssociationFeaturePojo.entity_MAXFIELDS);
                Iterator<String> it = eventFeature.getEntity1().iterator();
                while (it.hasNext() && (nSize > AssociationFeaturePojo.entity_MAXFIELDS)) {
                    String ent = it.next();
                    if (-1 == ent.indexOf('/')) { // (ie don't remove the index)
                        nSize--;
                        it.remove(); // (this removes from the index)
                        ent1ToRemove.add(ent);
                    }
                }
                toPull.put(AssociationFeaturePojo.entity1_, ent1ToRemove);
                // (this removes from the database)
            }
        }
        if (null != eventFeature.getEntity2()) {
            if ((nSize = eventFeature.getEntity2().size()) > AssociationFeaturePojo.entity_MAXFIELDS) {
                if (null == toPull)
                    toPull = new BasicDBObject();
                ArrayList<String> ent2ToRemove = new ArrayList<String>(
                        eventFeature.getEntity2().size() - AssociationFeaturePojo.entity_MAXFIELDS);
                Iterator<String> it = eventFeature.getEntity2().iterator();
                while (it.hasNext() && (nSize > AssociationFeaturePojo.entity_MAXFIELDS)) {
                    String ent = it.next();
                    if (-1 == ent.indexOf('/')) { // (ie don't remove the index)
                        nSize--;
                        it.remove(); // (this removes from the index)
                        ent2ToRemove.add(ent);
                    }
                }
                toPull.put(AssociationFeaturePojo.entity2_, ent2ToRemove);
                // (this removes from the database)
            }
        }
        if (null != toPull) {
            update.put(MongoDbManager.pullAll_, toPull);
            // (this removes from the database)
        }
        //TESTED (2.1.4.3b, including no index removal clause)

        if (_diagnosticMode) {
            if ((null != eventFeature.getDb_sync_time()) || (null != eventFeature.getDb_sync_prio())) {
                if (_logInDiagnosticMode)
                    System.out.println("AssociationAggregationUtils.synchronizeEventFeature, featureDB: "
                            + query.toString() + " / " + update.toString());
            } else {
                if (_logInDiagnosticMode)
                    System.out.println(
                            "(WOULD NOT RUN) EventAggregationUtils.synchronizeEventFeature, featureDB: "
                                    + query.toString() + " / " + update.toString());
            }
        } else {
            eventFeatureDb.update(query, update, false, true);
        }
    }

    if (_diagnosticMode) {
        if (_logInDiagnosticMode)
            System.out.println("AssociationAggregationUtils.synchronizeEventFeature, synchronize: "
                    + new StringBuffer(eventFeature.getIndex()).append(':').append(communityId).toString()
                    + " = " + IndexManager.mapToIndex(eventFeature, new AssociationFeaturePojoIndexMap()));
    } else {
        ElasticSearchManager esm = IndexManager.getIndex(AssociationFeaturePojoIndexMap.indexName_);
        esm.addDocument(eventFeature, new AssociationFeaturePojoIndexMap(), null, true);
    }
}

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