Example usage for java.util Collection clear

Introduction

In this page you can find the example usage for java.util Collection clear.

Prototype

void clear();

Source Link

Document

Removes all of the elements from this collection (optional operation).

Usage

From source file:org.jactr.core.module.declarative.search.map.DefaultValueMap.java

public void clear(V value) {
    if (value == null)
        throw new NullPointerException("null values are not permitted as keys");

    ReentrantReadWriteLock lock = getLock();
    try {/*from   w ww  . ja va  2  s .c o  m*/
        lock.writeLock().lock();

        Collection<I> indexables = getCoreMap().remove(value);
        if (indexables != null) {
            indexables.clear();
        }
    } finally {
        lock.writeLock().unlock();
    }
}

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From source file:MultiMap.java

/**
 * Clear the map./*from w w  w  . j  ava2 s. c  o  m*/
 */
public void clear() {
    // Clear the mappings
    Set pairs = super.entrySet();
    Iterator pairsIterator = pairs.iterator();
    while (pairsIterator.hasNext()) {
        Map.Entry keyValuePair = (Map.Entry) pairsIterator.next();
        Collection coll = (Collection) keyValuePair.getValue();
        coll.clear();
    }
    super.clear();
}

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From source file:org.carewebframework.vista.ui.notification.NotificationService.java

/**
 * Returns notifications for the current user.
 * //  ww w.j a  v  a2 s.  c om
 * @param patient If not null, only notifications associated with the current user are returned.
 *            Otherwise, all notifications for the current user are returned.
 * @param result The list to receive the results.
 */
public void getNotifications(Patient patient, Collection<Notification> result) {
    List<String> lst = null;
    result.clear();

    if (patient == null) {
        lst = broker.callRPCList("RGCWXQ ALRLIST", null);
    } else if (patient != null) {
        lst = broker.callRPCList("RGCWXQ ALRLIST", null, patient.getId().getIdPart());
    }

    if (lst != null) {
        for (String item : lst) {
            result.add(new Notification(item));
        }
    }
}

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From source file:com.cloudera.oryx.app.als.FeatureVectorsTest.java

@Test
public void testRecent() {
    FeatureVectors fv = new FeatureVectors();
    fv.setVector("foo", new float[] { 1.0f });
    Collection<String> recentIDs = new HashSet<>();
    fv.addAllRecentTo(recentIDs);//  w ww  .  j  a  va  2 s  .c o m
    assertEquals(Collections.singleton("foo"), recentIDs);
    fv.retainRecentAndIDs(Collections.singleton("foo"));
    recentIDs.clear();
    fv.addAllRecentTo(recentIDs);
    assertEquals(0, recentIDs.size());
}

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From source file:org.openhab.model.script.scoping.ScriptExtensionClassNameProvider.java

@Override
protected Collection<String> computeLiteralClassNames() {

    // we completely define the content ourselves, but need the collection
    // instance from the super class as it is a private field
    Collection<String> literalClassNames = super.getLiteralClassNames();

    if (literalClassNames == null) {
        literalClassNames = super.computeLiteralClassNames();
    }/*  w  ww. j a v  a  2s.  c om*/

    literalClassNames.clear();

    // add all actions that are contributed as OSGi services
    Object[] services = ScriptActivator.actionServiceTracker.getServices();
    if (services != null) {
        for (Object service : services) {
            ActionService actionService = (ActionService) service;
            literalClassNames.add(actionService.getActionClassName());
        }
    }

    literalClassNames.add(CollectionLiterals.class.getName());
    literalClassNames.add(InputOutput.class.getName());

    literalClassNames.add(BusEvent.class.getCanonicalName());
    literalClassNames.add(ScriptExecution.class.getCanonicalName());
    literalClassNames.add(LogAction.class.getCanonicalName());

    // jodatime static functions
    literalClassNames.add(DateTime.class.getCanonicalName());
    literalClassNames.add(DateMidnight.class.getCanonicalName());
    return literalClassNames;
}

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From source file:org.romaframework.core.schema.SchemaHelper.java

public static void insertElements(SchemaField iField, Object iContent, Object[] iSelection,
        boolean overrideContent) {
    if (iField == null) {
        log.warn("[SchemaHelper.insertElements] Field is null");
        return;/*w  w w . ja v  a2s .  c  om*/
    }
    if (iContent == null) {
        log.warn("[SchemaHelper.insertElements] target object is null. Cannot to value field " + iField);
        return;
    }
    boolean simpleSet = false;
    if (iSelection != null && iSelection.length > 0 && iSelection[0] != null)
        simpleSet = Roma.schema().getSchemaClass(iSelection[0]).equals(iField.getType().getSchemaClass());
    // TODO: REVIEW BIND MODE WITH NESTED FIELDS EXPRESSION
    Object currentValue = SchemaHelper.getFieldValue(iField, iContent);

    if (currentValue == null && SchemaHelper.isMultiValueObject(iField) && !simpleSet)
        // CHECK IF IT'S A COLLECTION: IN THIS CASE THROW AN EXCEPTION SINCE
        // IT MUST BE INITIALIZED BEFORE TO USE IT
        if (isAssignableAs(iField.getType(), Collection.class))
            throw new IllegalArgumentException(
                    "The collection in field '" + iField.getEntity().getSchemaClass().getName() + "."
                            + iField.getName() + "' is null: cannot add elements. Remember to initialize it.");
        else if (isAssignableAs(iField.getType(), Map.class))
            throw new IllegalArgumentException(
                    "The map in field '" + iField.getEntity().getSchemaClass().getName() + "."
                            + iField.getName() + "' is null: cannot add elements. Remember to initialize it.");

    if (currentValue instanceof Collection<?> && !simpleSet) {
        // INSERT EACH ELEMENT OF SELECTION IN THE COLLECTION
        Collection<Object> coll = (Collection<Object>) currentValue;
        if (overrideContent)
            coll.clear();
        if (iSelection != null) {
            for (Object o : iSelection) {
                coll.add(EntityHelper.getEntityObjectIfNeeded(o, iField.getEmbeddedType()));
            }
        }
    } else if (currentValue instanceof Map && !simpleSet) {
        // INSERT EACH ELEMENT OF SELECTION IN THE MAP (KEY = SELECTION
        // OBJ.toString()
        if (overrideContent)
            ((Map<String, Object>) currentValue).clear();
        if (iSelection != null) {
            for (Object o : iSelection) {
                ((Map<String, Object>) currentValue).put(EntityHelper.getEntityObject(o).toString(),
                        EntityHelper.getEntityObject(o));
            }
        }
    } else if (((Class<?>) iField.getLanguageType()).isArray() && !simpleSet) {
        Object array = null;
        if (iField.getLanguageType().equals(Object[].class)) {
            // OBJECT[]: NO CONVERSION REQUIRED
            if (overrideContent) {
                array = iSelection;
            } else {
                Object[] oldValue = (Object[]) SchemaHelper.getFieldValue(iField, iContent);
                int oldLength = 0;
                if (oldValue != null)
                    oldLength = oldValue.length;
                array = new Object[oldLength + iSelection.length];
                if (oldValue != null)
                    System.arraycopy(oldValue, 0, array, 0, oldLength);
                System.arraycopy(iSelection, 0, array, oldLength, iSelection.length);
            }
        } else if (iSelection != null) {
            // COPY THE ARRAY TO USE REAL CLASS ARRAY, IF ANY
            int i = 0;
            Object oldValue = SchemaHelper.getFieldValue(iField, iContent);
            if (overrideContent || oldValue == null) {
                array = Array.newInstance(((Class<?>) iField.getLanguageType()).getComponentType(),
                        iSelection.length);
            } else {
                int oldSize = Array.getLength(oldValue);
                array = Array.newInstance(((Class<?>) iField.getLanguageType()).getComponentType(),
                        iSelection.length + oldSize);
                for (; i < oldSize; ++i) {
                    Array.set(array, i, Array.get(oldValue, i));
                }
            }

            for (int sourcePos = 0; sourcePos < iSelection.length; ++sourcePos, ++i) {
                Array.set(array, i, iSelection[sourcePos]);
            }
        }
        SchemaHelper.setFieldValue(iField, iContent, array);
    } else {
        Object firstSelection = iSelection != null && iSelection.length > 0 ? iSelection[0] : null;
        SchemaHelper.setFieldValue(iField, iContent,
                EntityHelper.getEntityObjectIfNeeded(firstSelection, iField.getType()));
    }

    // REFRESH THE FIELD
    Roma.fieldChanged(iContent, iField.getName());
}

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From source file:ubic.gemma.apps.MeshTermFetcherCli.java

@Override
protected Exception doWork(String[] args) {
    processCommandLine("Load PubMed records", args);
    PubMedXMLFetcher fetcher = new PubMedXMLFetcher();

    try {//  w w  w. j  av  a2 s  .  co m
        Collection<Integer> ids = readIdsFromFile(file);
        Collection<Integer> chunk = new ArrayList<Integer>();
        for (Integer i : ids) {

            chunk.add(i);

            if (chunk.size() == CHUNK_SIZE) {

                processChunk(fetcher, chunk);
                chunk.clear();
            }
        }

        if (!chunk.isEmpty()) {
            processChunk(fetcher, chunk);
        }

    } catch (IOException e) {
        return e;
    }

    return null;
}

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From source file:org.apache.streams.regex.AbstractRegexExtensionExtractor.java

@Override
public List<StreamsDatum> process(StreamsDatum entry) {
    Activity activity;/*from   www .j av  a2  s  .  co  m*/
    if (entry.getDocument() instanceof Activity) {
        activity = (Activity) entry.getDocument();
    } else if (entry.getDocument() instanceof ObjectNode) {
        activity = mapper.convertValue(entry.getDocument(), Activity.class);
    } else {
        return new ArrayList<>();
    }
    if (StringUtils.isBlank(pattern)) {
        prepare(null);
    }
    Map<String, List<Integer>> matches = RegexUtils.extractMatches(pattern, activity.getContent());
    Collection<T> entities = ensureTargetObject(activity);
    for (String key : matches.keySet()) {
        entities.add(prepareObject(key));
    }

    Set<T> set = new HashSet<>();
    set.addAll(entities);
    entities.clear();
    entities.addAll(set);

    entry.setDocument(activity);
    return Collections.singletonList(entry);
}

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From source file:org.carewebframework.vista.ui.notification.NotificationService.java

/**
 * Returns a list of recipients associated with a scheduled notification.
 * /*from   w w  w  . j av a 2s.  c om*/
 * @param notification A scheduled notification.
 * @param result Recipients associated with the notification.
 */
public void getScheduledNotificationRecipients(ScheduledNotification notification,
        Collection<Recipient> result) {
    List<String> lst = broker.callRPCList("RGCWXQ SCHRECIP", null, notification.getIen());
    result.clear();

    for (String data : lst) {
        result.add(new Recipient(data));
    }
}

---

From source file:ubic.gemma.core.apps.MeshTermFetcherCli.java

@Override
protected Exception doWork(String[] args) {
    Exception e = super.processCommandLine(args);
    if (e != null)
        return e;

    PubMedXMLFetcher fetcher = new PubMedXMLFetcher();

    try {/*w w  w. j a v a 2s  .  c o  m*/
        Collection<Integer> ids = this.readIdsFromFile(file);
        Collection<Integer> chunk = new ArrayList<>();
        for (Integer i : ids) {

            chunk.add(i);

            if (chunk.size() == MeshTermFetcherCli.CHUNK_SIZE) {

                this.processChunk(fetcher, chunk);
                chunk.clear();
            }
        }

        if (!chunk.isEmpty()) {
            this.processChunk(fetcher, chunk);
        }

    } catch (IOException exception) {
        return exception;
    }

    return null;
}

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