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:net.femtoparsec.jnlmin.utils.PropertySetter.java

private static void cleanCache() {
    Iterator<Map.Entry<Class<?>, Reference<PropertySetter>>> iterator = CACHE.entrySet().iterator();
    while (iterator.hasNext()) {
        Map.Entry<Class<?>, Reference<PropertySetter>> entry = iterator.next();
        if (entry.getValue().get() == null) {
            iterator.remove();
        }/*  w  w w  . ja va 2  s .c  o  m*/
    }
}

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From source file:com.sixt.service.framework.protobuf.ProtobufUtil.java

private static void cleanJsonArray(JsonArray array) {
    Iterator<JsonElement> iter = array.iterator();
    while (iter.hasNext()) {
        JsonElement ele = iter.next();/*from www  . ja v  a2s .  c  o  m*/
        if (ele.isJsonNull()) {
            iter.remove();
            continue;
        } else {
            cleanJsonElement(ele);
        }
    }
}

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From source file:com.hihframework.core.utils.CollectionUtils.java

/**
 * ?ID?,???.//from   w w w  .ja  v a2  s  .  c o  m
 * http?????idhibernate???????
 * ?
 * ???ID?,ID?ID??.
 * 
 * @param collection
 *            ??
 * @param checkedIds
 *            ?
 * @param idName
 *            ID??
 * @param clazz
 *            ?
 */
public static <T, ID> void mergeByCheckedIds(Collection<T> collection, Collection<ID> checkedIds, String idName,
        Class<T> clazz) throws Exception {

    if (checkedIds == null) {
        collection.clear();
        return;
    }

    Iterator<T> it = collection.iterator();

    while (it.hasNext()) {
        T obj = it.next();
        if (checkedIds.contains(PropertyUtils.getProperty(obj, idName))) {
            checkedIds.remove(PropertyUtils.getProperty(obj, idName));
        } else {
            it.remove();
        }
    }

    for (ID id : checkedIds) {
        T obj = clazz.newInstance();
        PropertyUtils.setProperty(obj, idName, id);
        collection.add(obj);
    }
}

---

From source file:net.sourceforge.fenixedu.util.InquiriesUtil.java

/**
 * @return Returns the list containing with only the first occurrence of the
 *         elementes based on the equals method the result list is ordered
 *         by the externalId//from  w  ww.  j a va  2s  .c o  m
 */
public static void removeDuplicates(final List beanList) {
    if (beanList.isEmpty()) {
        return;
    }

    Collections.sort(beanList, new BeanComparator("externalId"));

    final Iterator iter = beanList.iterator();
    InfoObject prev = (InfoObject) iter.next();
    while (iter.hasNext()) {
        final InfoObject curr = (InfoObject) iter.next();
        if (curr.equals(prev)) {
            iter.remove();
        }
        prev = curr;
    }
}

---

From source file:com.app.util.SearchResultUtil.java

private static void _removePreviouslyNotifiedResults(int searchQueryId, List<SearchResult> newSearchResults)
        throws DatabaseConnectionException, SQLException {

    List<String> searchQueryPreviousResults = SearchQueryPreviousResultUtil
            .getSearchQueryPreviousResults(searchQueryId);

    if (!searchQueryPreviousResults.isEmpty()) {
        Iterator iterator = newSearchResults.iterator();

        while (iterator.hasNext()) {
            SearchResult searchResult = (SearchResult) iterator.next();

            if (searchQueryPreviousResults.contains(searchResult.getItemId())) {

                iterator.remove();
            }//  ww w . j ava 2s.c o m
        }
    }
}

---

From source file:com.meetme.plugins.jira.gerrit.webpanel.GerritReviewsIssueLeftPanel.java

private static int removeClosedReviews(List<GerritChange> changes) {
    Iterator<GerritChange> it = changes.iterator();
    int c = 0;// w ww.  j a v  a2  s  .co  m

    while (it.hasNext()) {
        GerritChange change = it.next();
        if (!change.isOpen()) {
            it.remove();
            c += 1;
        }
    }

    return c;
}

---

From source file:Main.java

private static ArrayList<ArrayList> sortObjectArrayListSimpleMaster(ArrayList listIn, String paramName) {
    ArrayList<ArrayList> answer = new ArrayList<ArrayList>();
    ArrayList newList = new ArrayList();
    ArrayList<Integer> indices = new ArrayList<Integer>();
    try {/* w  ww . j  a va 2  s.  co m*/
        if (listIn.size() > 0) {
            Class<?> c = listIn.get(0).getClass();
            Field f = c.getDeclaredField(paramName);
            f.setAccessible(true);
            Class<?> t = f.getType();
            Double dd = new Double(14);
            Float ff = new Float(14);
            Integer ii = new Integer(14);
            Map sortedPos = new LinkedHashMap();
            Map sortedNeg = new LinkedHashMap();
            Map unsorted = new LinkedHashMap();
            int indexCount = 0;
            long count = 0;
            if (t.isPrimitive()) {
                for (Object thisObj : listIn) {
                    Object o = f.get(thisObj);
                    double d = 0;
                    if (t.getName().equals("char")) {
                        d = (int) ((Character) o);
                    } else if (t.isInstance(dd))
                        d = (Double) o;
                    else if (t.isInstance(ff))
                        d = (Float) o;
                    else if (t.isInstance(ii))
                        d = (Integer) o;
                    else
                        d = new Double(o.toString());

                    boolean isNegative = false;

                    if (d < 0) {
                        isNegative = true;
                        d = Math.abs(d);
                    }

                    String format = "%1$30f";
                    String newKey = String.format(format, d);
                    String format2 = "%1$20d";
                    String countString = String.format(format2, count);
                    newKey += "-" + countString;
                    if (isNegative) {
                        sortedNeg.put(newKey, thisObj);
                    } else {
                        sortedPos.put(newKey, thisObj);
                    }
                    unsorted.put(thisObj, indexCount);
                    count++;
                    indexCount++;
                }
                TreeMap<String, Object> resultPos = new TreeMap();
                resultPos.putAll(sortedPos);
                sortedPos = resultPos;
                TreeMap<String, Object> resultNeg = new TreeMap();
                resultNeg.putAll(sortedNeg);
                sortedNeg = resultNeg;
            } else if (t.isInstance(paramName)) {
                // System.out.println("is a string with value " + o);
                for (Object thisObj : listIn) {
                    String key = (String) (f.get(thisObj));
                    sortedPos.put(key + "-" + count, thisObj);
                    unsorted.put(thisObj, indexCount);
                    count++;
                    indexCount++;
                }
                TreeMap<String, Object> result = new TreeMap(String.CASE_INSENSITIVE_ORDER);
                result.putAll(sortedPos);
                sortedPos = result;
            }

            Iterator itNeg = sortedNeg.entrySet().iterator();
            while (itNeg.hasNext()) {
                Map.Entry pairs = (Map.Entry) itNeg.next();
                newList.add(pairs.getValue());
                itNeg.remove();
            }

            Collections.reverse(newList);

            Iterator itPos = sortedPos.entrySet().iterator();
            while (itPos.hasNext()) {
                Map.Entry pairs = (Map.Entry) itPos.next();
                Object obj = pairs.getValue();
                newList.add(obj);
                indices.add((Integer) unsorted.get(obj));
                itPos.remove();
            }
        }
    } catch (Exception e) {
        System.out
                .println("problem sorting list.  listIn.size(): " + listIn.size() + " and param: " + paramName);
        answer.add(newList);
        answer.add(indices);
        return answer;
    }
    answer.add(newList);
    answer.add(indices);
    return answer;
}

---

From source file:com.github.lynxdb.server.core.TimeSerie.java

public static TimeSerie merge(List<TimeSerie> _series) {
    Assert.notEmpty(_series);/*  w  w  w.  j a  va2 s .  c  om*/

    List<SuperIterator> sil = new ArrayList<>();

    _series.forEach((TimeSerie t) -> {
        if (t.hasNext()) {
            SuperIterator<Entry> si = new SuperIterator<>(t);
            si.next();
            sil.add(si);
        }
    });

    Map<String, String> tags = new HashMap<>();
    tags.putAll(_series.get(0).getTags());

    _series.forEach((TimeSerie t) -> {
        Iterator<Map.Entry<String, String>> i = tags.entrySet().iterator();
        while (i.hasNext()) {
            Map.Entry<String, String> e = i.next();
            if (!t.getTags().containsKey(e.getKey()) || !t.getTags().get(e.getKey()).equals(e.getValue())) {
                i.remove();
            }

        }
    });

    return new TimeSerie(_series.get(0).getName(), tags, new ChainableIterator<Entry>() {

        @Override
        public boolean hasNext() {
            return sil.stream()
                    .anyMatch((superIterator) -> superIterator.hasNext() || superIterator.getCurrent() != null);
        }

        @Override
        public Entry next() {

            Iterator<SuperIterator> rr = sil.iterator();
            while (rr.hasNext()) {
                if (rr.next().getCurrent() == null) {
                    rr.remove();
                }
            }

            long max = Long.MIN_VALUE;
            for (SuperIterator<Entry> r : sil) {
                max = Long.max(max, r.getCurrent().getTime());
            }
            for (SuperIterator<Entry> r : sil) {
                if (r.getCurrent().getTime() == max) {
                    r.next();
                    return r.getPrevious();
                }
            }

            throw new IllegalStateException("something went wrong");
        }
    });
}

---

From source file:com.xyz.util.WebDataUtil.java

/**
 * ?ID?,???./*from w w  w  .  ja  v  a2s  .  c  o m*/
 * 
 * ??????id,??????id?????.
 * ???id?ID?,?ID?id??.
 * 
 * @param srcObjects ??
 * @param checkedIds  ID?
 * @param clazz  ?
 * @param idName ??
 */
public static <T, ID> void mergeByCheckedIds(final Collection<T> srcObjects, final Collection<ID> checkedIds,
        final Class<T> clazz, final String idName) {

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

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

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

        while (srcIterator.hasNext()) {
            T element = srcIterator.next();
            Object id;
            id = PropertyUtils.getProperty(element, idName);

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

        //ID??id????,,id??.
        for (ID id : checkedIds) {
            T obj = clazz.newInstance();
            PropertyUtils.setProperty(obj, idName, id);
            srcObjects.add(obj);
        }
    } catch (Exception e) {
        throw ReflectionUtil.convertToUncheckedException(e);
    }
}

---

From source file:com.thinkmore.framework.orm.hibernate.HibernateWebUtils.java

/**
 * ?ID?,???.//from  w ww. j  a  v a 2  s  .  com
 * 
 * ??????id,??????id?????.
 * ???id??,??id??.
 * ?ID, ??cascade-save-or-update.
 * 
 * @param srcObjects ??,.
 * @param checkedIds  ?,ID.
 * @param clazz  ?
 * @param idName ??
 */
public static <T, ID> void mergeByCheckedIds(final Collection<T> srcObjects, final Collection<ID> checkedIds,
        final Class<T> clazz, final String idName) {

    //?
    Assert.notNull(srcObjects, "scrObjects?");
    Assert.hasText(idName, "idName?");
    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();
            Object id;
            id = PropertyUtils.getProperty(element, idName);

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

        //ID??id????,,id??.
        for (ID id : checkedIds) {
            T obj = clazz.newInstance();
            PropertyUtils.setProperty(obj, idName, id);
            srcObjects.add(obj);
        }
    } catch (Exception e) {
        throw ReflectionUtil.convertReflectionExceptionToUnchecked(e);
    }
}

---

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