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:fll.TournamentTeam.java

/**
 * Filter the specified list to just the teams in the specified event
 * division.//from   www  . j av  a  2s . co  m
 * 
 * @param teams list that is modified
 * @param divisionStr the division to keep
 * @throws RuntimeException
 * @throws SQLException
 */
public static void filterTeamsToEventDivision(final List<TournamentTeam> teams, final String divisionStr)
        throws SQLException, RuntimeException {
    final Iterator<TournamentTeam> iter = teams.iterator();
    while (iter.hasNext()) {
        final TournamentTeam t = iter.next();
        final String eventDivision = t.getEventDivision();
        if (!eventDivision.equals(divisionStr)) {
            iter.remove();
        }
    }
}

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From source file:edu.uci.ics.hyracks.control.cc.partitions.PartitionMatchMaker.java

private static <T> void removeEntries(List<T> list, IEntryFilter<T> filter) {
    Iterator<T> j = list.iterator();
    while (j.hasNext()) {
        T o = j.next();//  w w w .jav  a  2  s  . c  o  m
        if (filter.matches(o)) {
            j.remove();
        }
    }
}

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From source file:se.uu.it.cs.recsys.ruleminer.datastructure.builder.FPTreeHeaderTableBuilder.java

/**
 *
 * @param idAndCount item id and count/*from  www  . jav  a2 s.  c  om*/
 * @param threshold, min support
 * @return non-null HeaderTableItem if the input contains id meets threshold
 * requirement; otherwise null.
 */
public static List<HeaderTableItem> build(Map<Integer, Integer> idAndCount, Integer threshold) {

    List<HeaderTableItem> instance = new ArrayList<>();

    Map<Integer, Integer> filteredIdAndCount = Util.filter(idAndCount, threshold);

    if (filteredIdAndCount.isEmpty()) {
        LOGGER.debug("Empty map after filtering. Empty list will be returned. Source: {}", idAndCount);
        return instance;
    }

    List<Integer> countList = new ArrayList<>(filteredIdAndCount.values());
    Collections.sort(countList);
    Collections.reverse(countList);// now the count is in DESC order

    for (int i = 1; i <= filteredIdAndCount.size(); i++) {
        instance.add(new HeaderTableItem()); // in order to call list.set(idx,elem)
    }

    Map<Integer, Set<Integer>> forIdsHavingSameCount = new HashMap<>();//different ids may have same count

    filteredIdAndCount.entrySet().forEach((entry) -> {
        Integer courseId = entry.getKey();
        Integer count = entry.getValue();

        Integer countFrequence = Collections.frequency(countList, count);

        if (countFrequence == 1) {
            Integer countIdx = countList.indexOf(count);
            instance.set(countIdx, new HeaderTableItem(new Item(courseId, count)));
        } else {
            // different ids have same count

            if (!forIdsHavingSameCount.containsKey(count)) {
                forIdsHavingSameCount.put(count, Util.findDuplicatesIndexes(countList, count));
            }

            Iterator<Integer> itr = forIdsHavingSameCount.get(count).iterator();
            Integer idx = itr.next();
            itr.remove();

            instance.set(idx, new HeaderTableItem(new Item(courseId, count)));
        }

    });

    //        LOGGER.debug("Final built header table: {}",
    //                instance.stream()
    //                .map(headerItem -> headerItem.getItem()).collect(Collectors.toList()));

    return instance;
}

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From source file:de.tudarmstadt.ukp.experiments.argumentation.convincingness.sampling.Step7bConvArgRankProducer.java

@SuppressWarnings("unchecked")
public static void prepareData(String[] args) throws Exception {
    String inputDir = args[0];/*from   w  ww . j  a v a 2 s  .co m*/
    File outputDir = new File(args[1]);

    if (!outputDir.exists()) {
        outputDir.mkdirs();
    }

    List<File> files = IOHelper.listXmlFiles(new File(inputDir));

    // take only the gold data for this task
    String prefix = "all_DescendingScoreArgumentPairListSorter";
    Iterator<File> iterator = files.iterator();
    while (iterator.hasNext()) {
        File file = iterator.next();

        if (!file.getName().startsWith(prefix)) {
            iterator.remove();
        }
    }

    int totalArgumentsCounter = 0;

    DescriptiveStatistics statsPerTopic = new DescriptiveStatistics();

    for (File file : files) {
        List<AnnotatedArgumentPair> argumentPairs = (List<AnnotatedArgumentPair>) XStreamTools.getXStream()
                .fromXML(file);

        String name = file.getName().replaceAll(prefix, "").replaceAll("\\.xml", "");

        PrintWriter pw = new PrintWriter(new File(outputDir, name + ".csv"), "utf-8");
        pw.println("#id\trank\targument");

        Graph graph = buildGraphFromPairs(argumentPairs);

        Map<String, Argument> arguments = collectArguments(argumentPairs);

        int argumentsPerTopicCounter = arguments.size();

        PageRank pageRank = new PageRank();
        pageRank.setVerbose(true);
        pageRank.init(graph);

        for (Node node : graph) {
            String id = node.getId();
            double rank = pageRank.getRank(node);

            System.out.println(id);

            Argument argument = arguments.get(id);

            String text = Step7aLearningDataProducer.multipleParagraphsToSingleLine(argument.getText());

            pw.printf(Locale.ENGLISH, "%s\t%.5f\t%s%n", argument.getId(), rank, text);
        }

        totalArgumentsCounter += argumentsPerTopicCounter;
        statsPerTopic.addValue(argumentsPerTopicCounter);

        pw.close();
    }

    System.out.println("Total gold arguments: " + totalArgumentsCounter);
    System.out.println(statsPerTopic);
}

---

From source file:com.astamuse.asta4d.web.form.flow.base.BasicFormFlowTraitHelper.java

static final List<AnnotatedPropertyInfo> retrieveRenderTargetFieldList(Object form) {
    List<AnnotatedPropertyInfo> list = RenderingTargetFieldsMap.get(form.getClass().getName());
    if (list == null) {
        list = new LinkedList<AnnotatedPropertyInfo>(AnnotatedPropertyUtil.retrieveProperties(form.getClass()));
        Iterator<AnnotatedPropertyInfo> it = list.iterator();
        while (it.hasNext()) {
            // remove all the non form field properties
            if (it.next().getAnnotation(FormField.class) == null) {
                it.remove();
            }//from  w w  w.  j a va2  s.  c  o m
        }
        RenderingTargetFieldsMap.put(form.getClass().getName(), list);
    }
    return list;
}

---

From source file:de.Keyle.MyPet.util.player.UUIDFetcher.java

public static Map<String, UUID> call(List<String> names) {
    names = new ArrayList<String>(names);
    Iterator<String> iterator = names.iterator();
    while (iterator.hasNext()) {
        String playerName = iterator.next();
        if (fetchedUUIDs.containsKey(playerName)) {
            iterator.remove();
        }/*  w  ww .  j a va2 s .  c om*/
    }
    if (names.size() == 0) {
        return readonlyFetchedUUIDs;
    }

    int count = names.size();

    DebugLogger.info("get UUIDs for " + names.size() + " player(s)");
    int requests = (int) Math.ceil(names.size() / PROFILES_PER_REQUEST);
    try {
        for (int i = 0; i < requests; i++) {
            HttpURLConnection connection = createConnection();
            String body = JSONArray.toJSONString(names.subList(i * 100, Math.min((i + 1) * 100, names.size())));
            writeBody(connection, body);
            JSONArray array = (JSONArray) jsonParser.parse(new InputStreamReader(connection.getInputStream()));
            count -= array.size();
            for (Object profile : array) {
                JSONObject jsonProfile = (JSONObject) profile;
                String id = (String) jsonProfile.get("id");
                String name = (String) jsonProfile.get("name");
                UUID uuid = UUIDFetcher.getUUID(id);
                fetchedUUIDs.put(name, uuid);
            }
            if (rateLimiting && i != requests - 1) {
                Thread.sleep(100L);
            }
        }
    } catch (InterruptedException e) {
        e.printStackTrace();
    } catch (ParseException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    }
    if (count > 0) {
        MyPetLogger.write("Can not get UUIDs for " + count + " players. Pets of these player may be lost.");
    }
    return readonlyFetchedUUIDs;
}

---

From source file:com.github.pmerienne.cf.testing.dataset.DatasetUtils.java

public static List<Rating> extractEval(List<Rating> ratings, double trainingPercent) {
    int evalSize = (int) (ratings.size() * (1.0 - trainingPercent));
    List<Rating> eval = new ArrayList<>(evalSize);

    Set<Long> knownUsers = new HashSet<>();
    Set<Long> knownItems = new HashSet<>();

    Iterator<Rating> it = ratings.iterator();
    while (it.hasNext() && eval.size() < evalSize) {
        Rating rating = it.next();/*from w  w w .j  a v  a 2  s .  c o  m*/

        if (knownUsers.contains(rating.i) && knownItems.contains(rating.j)) {
            eval.add(rating);
            it.remove();
        }
        knownUsers.add(rating.i);
        knownItems.add(rating.j);
    }

    return eval;
}

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From source file:com.gm.bamboo.util.HibernateUtils.java

/**
 * ?ID?, ???./*from w  w  w . jav a 2  s. c  om*/
 * 
 * ??????id,Hibernate??????id?????.
 * ???id??,??id??.
 * ?ID, ??cascade-save-or-update??.
 * 
 * @param srcObjects ??,.
 * @param checkedIds  ?,ID.
 * @param clazz  ?,IdEntity?
 */
public static <T extends BaseEntity> void mergeByCheckedIds(final Collection<T> srcObjects,
        final Collection<Long> checkedIds, final Class<T> clazz) {

    //?
    Assert.notNull(srcObjects, "scrObjects?");
    Assert.notNull(clazz, "clazz?");

    //?, ???.
    if (checkedIds == null) {
        srcObjects.clear();
        return;
    }

    //????,id?ID?.
    //?,???id,?id???id.
    Iterator<T> srcIterator = srcObjects.iterator();
    try {

        while (srcIterator.hasNext()) {
            T element = srcIterator.next();
            Long id = element.getId();

            if (!checkedIds.contains(id)) {
                srcIterator.remove();
            } else {
                checkedIds.remove(id);
            }
        }

        //ID??id????,,id??.
        for (Long id : checkedIds) {
            T element = clazz.newInstance();
            element.setId(id);
            srcObjects.add(element);
        }
    } catch (Exception e) {
        throw ReflectionUtils.convertReflectionExceptionToUnchecked(e);
    }
}

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From source file:com.gm.wine.util.HibernateUtils.java

/**
 * ?ID?, ???./*from   w  w w.  j a  v a  2 s  .  c o m*/
 * 
 * ??????id,Hibernate??????id?????.
 * ???id??,??id??. ?ID,
 * ??cascade-save-or-update??.
 * 
 * @param srcObjects
 *            ??,.
 * @param checkedIds
 *            ?,ID.
 * @param clazz
 *            ?,IdEntity?
 */
public static <T extends BaseEntity> void mergeByCheckedIds(final Collection<T> srcObjects,
        final Collection<Long> checkedIds, final Class<T> clazz) {

    // ?
    Assert.notNull(srcObjects, "scrObjects?");
    Assert.notNull(clazz, "clazz?");

    // ?, ???.
    if (checkedIds == null) {
        srcObjects.clear();
        return;
    }

    // ????,id?ID?.
    // ?,???id,?id???id.
    Iterator<T> srcIterator = srcObjects.iterator();
    try {

        while (srcIterator.hasNext()) {
            T element = srcIterator.next();
            Long id = element.getId();

            if (!checkedIds.contains(id)) {
                srcIterator.remove();
            } else {
                checkedIds.remove(id);
            }
        }

        // ID??id????,,id??.
        for (Long id : checkedIds) {
            T element = clazz.newInstance();
            element.setId(id);
            srcObjects.add(element);
        }
    } catch (Exception e) {
        throw ReflectionUtils.convertReflectionExceptionToUnchecked(e);
    }
}

---

From source file:com.ning.hfind.primary.ExpressionFactory.java

public static Iterator<Option> sanitizeCommandLine(Option[] options) {
    ArrayList<Option> optionsList = new ArrayList<Option>(Arrays.asList(options));

    Iterator<Option> optionIterator = (Iterator<Option>) optionsList.iterator();
    while (optionIterator.hasNext()) {
        Option option = optionIterator.next();

        try {/* w w w .j ava 2 s  . c o  m*/
            if (PrimaryFactory.primaryFromOption(option) == null) {
                optionIterator.remove();
            }
        } catch (MalformedPatternException ignored) {
        } catch (IllegalArgumentException ignored) {
        }
    }

    return optionsList.iterator();
}

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