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:de.unirostock.sems.cbarchive.web.dataholder.WorkspaceHistory.java

public void removeWorkspaceFromHistory(String workspaceId) {

    Iterator<Workspace> workspaceIterator = recentWorkspaces.iterator();
    while (workspaceIterator.hasNext()) {
        Workspace elem = workspaceIterator.next();
        if (elem.getWorkspaceId().equals(workspaceId))
            workspaceIterator.remove();
    }/*from w w  w  .java2 s.  c om*/

}

From source file:org.wallride.support.CategoryUtils.java

private void createNode(TreeNode<Category> parent, Collection<Category> Categories) {
    List<TreeNode<Category>> children = new ArrayList<>();
    Iterator<Category> i = Categories.iterator();
    while (i.hasNext()) {
        Category Category = i.next();/*from ww w .  ja  v  a2  s .  c om*/
        TreeNode<Category> node = new TreeNode<>(Category);
        node.setParent(parent);
        if (parent.getObject().equals(Category.getParent())) {
            children.add(node);
            i.remove();
        }
    }
    parent.setChildren(children);

    for (TreeNode<Category> node : children) {
        createNode(node, Categories);
    }
}

From source file:eu.larkc.RDFPig.optimizers.strategies.SamplePruneOptimizationStrategy.java

@Override
public void prune(ArrayList<Set<TupleCostPair>> searchSpace, Executor executor, CostCalculator calculator) {

    // Only sample up to MAXSAMPLINGCYCLES steps
    int maxSamplingCycles = Configuration.getInstance().getPropertyInt(Configuration.MAXSAMPLINGCYCLES);
    if (searchSpace.size() > maxSamplingCycles) {
        return;/*from w  ww . ja  va2 s .  co m*/
    }

    logger.info("Calling SamplePrune for cycle: " + searchSpace.size());

    // Sort last calculated expressions by cost
    Set<TupleCostPair> currentLevel = searchSpace.get(searchSpace.size() - 1);

    if (currentLevel.isEmpty()) {
        logger.warn("Empty current level, searchSpace sizes: ");
        for (Set<TupleCostPair> s : searchSpace) {
            logger.warn(Integer.toString(s.size()));
        }
        return;
    }

    List<TupleCostPair> sortedByCost = new ArrayList<TupleCostPair>(currentLevel);
    Collections.sort(sortedByCost, new Comparator<TupleCostPair>() {
        @Override
        public int compare(TupleCostPair o1, TupleCostPair o2) {
            if (o1.cost == o2.cost)
                return 0;
            else
                return o1.cost > o2.cost ? 1 : -1;
        }
    });

    // TODO adapt pruning to stddev?

    // Prune the bottom part
    double staticPruneRatio = Configuration.getInstance()
            .getPropertyDouble(Configuration.DYNAMICPROGRAMMINGSTATICPRUNEBEFORE);
    int staticPruneIndex = (int) Math.ceil(sortedByCost.size() / staticPruneRatio);
    if (staticPruneIndex == sortedByCost.size())
        staticPruneIndex--;
    sortedByCost = sortedByCost.subList(0, staticPruneIndex);

    // Sample the remaining ones
    Set<TupleExpr> candidates = new HashSet<TupleExpr>();
    for (TupleCostPair t : sortedByCost) {
        candidates.add(t.tuple);
    }
    try {
        executor.execute(candidates, Configuration.getInstance().getPropertyDouble(Configuration.SAMPLE_RATE));
    } catch (Exception e) {
        throw new RuntimeException("Could not sample", e);
    }

    // Update costs and remove the unsampled ones from the search space
    Iterator<TupleCostPair> it = currentLevel.iterator();
    while (it.hasNext()) {
        TupleCostPair c = it.next();
        if (candidates.contains(c.tuple))
            c.cost = calculator.getCost(c.tuple);
        else
            it.remove();
    }

    logger.info("Sample-Prune done for level " + (searchSpace.size() - 1) + " current level size = "
            + currentLevel.size());

}

From source file:com.adaptris.core.services.splitter.LineCountSplitterTest.java

public void testIterator_Remove() throws Exception {
    MessageSplitterImp splitter = new LineCountSplitter(1);
    try (com.adaptris.core.util.CloseableIterable<AdaptrisMessage> iterable = com.adaptris.core.util.CloseableIterable
            .ensureCloseable(splitter.splitMessage(msg))) {
        Iterator<AdaptrisMessage> first = iterable.iterator();
        try {/*from   w  w w .j  a  v a  2s. c om*/
            if (first.hasNext())
                first.next();
            first.remove();
            fail();
        } catch (UnsupportedOperationException expected) {

        }
    }
}

From source file:de.tudarmstadt.ukp.experiments.argumentation.comments.pipeline.VocabularyCollector.java

@Override
public void collectionProcessComplete() throws AnalysisEngineProcessException {
    super.collectionProcessComplete();

    getLogger().info("Original vocabulary size: " + this.vocabulary.size());

    // remove all with low occurrence
    Iterator<Map.Entry<String, Integer>> iterator = vocabulary.entrySet().iterator();
    while (iterator.hasNext()) {
        Map.Entry<String, Integer> next = iterator.next();

        // remove
        if (next.getValue() < this.minimalOccurrence) {
            iterator.remove();
        }//from www .  j  a  v  a  2  s. c  o m
    }

    getLogger().info("Filtered vocabulary size: " + this.vocabulary.size());

    // serialize to file
    try {
        ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(this.modelLocation));
        oos.writeObject(vocabulary);
    } catch (IOException e) {
        throw new AnalysisEngineProcessException(e);
    }
}

From source file:edu.umich.robot.soar.OutputLink.java

void destroy() {
    Iterator<Map.Entry<Long, OLCommandPair>> iter = commands.entrySet().iterator();
    while (iter.hasNext()) {
        Map.Entry<Long, OLCommandPair> entry = iter.next();
        entry.getValue().command.dispose();
        iter.remove();
    }/*  ww  w. jav a2  s .  c om*/
}

From source file:com.company.common.dao.impl.GennericDaoImpl.java

@Override
public List<T> findByDynamicField(Class<T> entityClass, Map<String, Object> hasValue) {

    StringBuilder sql = new StringBuilder().append(" where 1=1 ");

    Iterator it = hasValue.entrySet().iterator();
    while (it.hasNext()) {
        Map.Entry pairs = (Map.Entry) it.next();
        System.out.println(pairs.getKey() + " = " + pairs.getValue());
        sql.append(" and ").append("c.").append(pairs.getKey()).append(" = ").append(pairs.getValue());
        it.remove();
    }//w w w .  j  av a  2s .  co m

    List t = getHibernateTemplate()
            .find("select c from " + entityClass.getSimpleName() + " c " + sql.toString());

    return t;
}

From source file:org.cloudfoundry.tools.timeout.ReplayingTimeoutProtectionStrategy.java

/**
 * Cleanup any started monitors that may have never received a poll. This can happen if the client is closed after a
 * timeout but before a poll./* ww  w  .ja v  a 2s  . c om*/
 */
private void purgeUnpolledRequests() {
    Iterator<Map.Entry<String, MonitorFactory>> iterator = this.completedRequests.entrySet().iterator();
    while (iterator.hasNext()) {
        if (iterator.next().getValue().isPurgable(this.threshold + this.failTimeout)) {
            iterator.remove();
        }
    }
}

From source file:de.dhke.projects.cutil.collections.aspect.AspectMapKeySetTest.java

@Test
public void testIteratorRemove() {
    final List<String> testList = new ArrayList<>(Arrays.asList("A", "B", "C", "D"));
    Iterator<String> iter = _keySet.iterator();
    String key = iter.next();/*from  ww w .  j a v  a  2s .c o  m*/
    iter.remove();
    testList.removeAll(_keySet);

    assertEquals(1, testList.size());
    assertTrue(testList.contains(key));

    assertEquals(1, _listener.beforeRemoveEvents.size());
    assertEquals(new DefaultMapEntry<>("A", "1"), _listener.beforeRemoveEvents.get(0).getItem());
    assertEquals(1, _listener.afterRemoveEvents.size());
    assertEquals(new DefaultMapEntry<>("A", "1"), _listener.afterRemoveEvents.get(0).getItem());
}

From source file:com.google.code.ssm.test.svc.AppUserServiceImpl.java

@Override
public List<AppUser> getInstalledList(final int userId, final List<Integer> applicationsIds) {
    Collections.sort(applicationsIds);
    List<AppUser> applicationUsers = getDao().getList(userId, applicationsIds);

    Iterator<AppUser> iter = applicationUsers.iterator();
    AppUser appUser = null;// w ww .  jav  a 2 s  .  c  o  m
    while (iter.hasNext()) {
        appUser = iter.next();
        if (appUser == null || !appUser.isEnabled()) {
            iter.remove();
        }
    }

    return applicationUsers;
}