public synchronized void appendBuffer(long initialTimestamp, MemoryBuffer buffer)
throws TException, IOException {
// filter out empty records but add a warning to the alert log
Predicate<LogRecord> isNonEmpty =
new Predicate<LogRecord>() {
public boolean apply(LogRecord r) {
if (!isValidRecord(r)) {
throw new RuntimeException(
String.format(
"At least one of the records was missing a docid: code=%s | fields: %s | vars: %s | categories: %s",
r.get_index_code(), r.get_fields(), r.get_variables(), r.get_categories()));
}
if (!r.is_set_docid()) {
alertLogger.warn("Tried to append an empty record for index %s", r.get_index_code());
return false;
}
return true;
}
};
// write the actual segment
Segment.createUnsortedSegment(
root,
getSegmentsPath(),
initialTimestamp,
Iterators.filter(
new RecordIterator(
null, buffer.protocol, "Buffer for " + this.code + " at " + initialTimestamp),
isNonEmpty));
sort(false);
}
@Override
public FollowElement createFollowElement(AbstractElement current, int lookAhead) {
if (logger.isDebugEnabled()) logger.debug("Creating FollowElement for: " + current);
FollowElement result = new FollowElement();
result.setLookAhead(lookAhead);
if (lookAhead != 1) {
int from = input.index();
int to = input.size();
if (marked > 0) {
from = firstMarker;
}
List<LookAheadTerminal> lookAheadTerminals = Lists.newArrayListWithExpectedSize(to - from);
for (int tokenIndex = from; tokenIndex < to; tokenIndex++) {
Token token = input.get(tokenIndex);
if (token != null) {
LookAheadTerminal lookAheadTerminal = createLookAheadTerminal(token);
lookAheadTerminals.add(lookAheadTerminal);
}
}
result.setLookAheadTerminals(lookAheadTerminals);
result.setLookAhead(lookAheadTerminals.size() + 1);
}
result.setGrammarElement(current);
result.setTrace(
Lists.newArrayList(Iterators.filter(grammarElements.iterator(), AbstractElement.class)));
result.setLocalTrace(
Lists.newArrayList(Iterators.filter(localTrace.iterator(), AbstractElement.class)));
result.setParamStack(Lists.newArrayList(paramStack));
if (current instanceof UnorderedGroup) {
if (indexToHandledElements != null) {
int index = grammarElements.lastIndexOf(current);
List<AbstractElement> alreadyHandled =
Lists.newArrayList(
Iterators.filter(
indexToHandledElements.get(index).iterator(), AbstractElement.class));
result.setHandledUnorderedGroupElements(alreadyHandled);
} else {
result.setHandledUnorderedGroupElements(Collections.<AbstractElement>emptyList());
}
}
if (logger.isDebugEnabled()) {
logger.debug("FollowElement is: " + current);
logger.debug("==================================");
}
return result;
}
/**
* TODO - make Generator aware of Iterator.
*
* @param context
* @param component
* @return
*/
protected Iterable<MessageForRender> getVisibleMessages(
FacesContext context, UIComponent component) {
String forId = getFor(component);
Iterator<MessageForRender> messages = getMessages(context, forId, component);
UnmodifiableIterator<MessageForRender> filteredMessages =
Iterators.filter(messages, getMessagesLevelFilter(context, component));
return Lists.newArrayList(filteredMessages);
}
public Iterable<Tag> in(Resource r) {
Iterator<Task> tasks = Iterators.filter(r.getAllContents(), Task.class);
Iterable<Tag> result = Collections.emptyList();
while (tasks.hasNext()) {
result = concat(tasks.next().getTags(), result);
}
return result;
}
@SuppressWarnings("unchecked")
private Iterator<Node> getBlankNodesIterator() throws RepositoryException {
final Iterator<Property> properties = resource().getNode().getProperties();
final Iterator<Property> references =
Iterators.filter(
properties, uncheck((final Property p) -> REFERENCE_TYPES.contains(p.getType()))::test);
final Iterator<Node> nodes =
Iterators.transform(
new PropertyValueIterator(references),
UncheckedFunction.uncheck(
(final Value v) ->
v.getType() == PATH
? session().getNode(v.getString())
: session().getNodeByIdentifier(v.getString()))
::apply);
return Iterators.filter(nodes, isSkolemNode::test);
}
/**
* Do the actual work and move the original documents content to a new one.
*
* @return the aggregated document.
*/
public Document merge() {
Document result = MarkupFactory.eINSTANCE.createDocument();
for (Document root : roots) {
Iterator<Section> it = Iterators.filter(root.eAllContents(), Section.class);
while (it.hasNext()) {
Section sec = it.next();
sec.setLevel(sec.getLevel() + 1);
}
result.getContent().addAll(root.getContent());
}
return result;
}
/**
* Stages the object addressed by {@code pathFilter}, or all unstaged objects if {@code pathFilter
* == null} to be added, if it is/they are marked as an unstaged change. Does nothing otherwise.
*
* <p>To stage changes not yet staged, a diff tree walk is performed using the current staged
* {@link RevTree} as the old object and the current unstaged {@link RevTree} as the new object.
* Then all the differences are traversed and the staged tree is updated with the changes reported
* by the diff walk (neat).
*
* @param progress the progress listener for this process
* @param pathFilter the filter to use
*/
public void stage(final ProgressListener progress, final @Nullable String pathFilter) {
// short cut for the case where the index is empty and we're staging all changes in the
// working tree, so it's just a matter of updating the index ref to working tree RevTree id
if (null == pathFilter
&& !index().getStaged(null).hasNext()
&& !updateOnly
&& index().countConflicted(null) == 0) {
progress.started();
Optional<ObjectId> workHead = command(RevParse.class).setRefSpec(Ref.WORK_HEAD).call();
if (workHead.isPresent()) {
command(UpdateRef.class).setName(Ref.STAGE_HEAD).setNewValue(workHead.get()).call();
}
progress.setProgress(100f);
progress.complete();
return;
}
final long numChanges = workingTree().countUnstaged(pathFilter).count();
Iterator<DiffEntry> unstaged = workingTree().getUnstaged(pathFilter);
if (updateOnly) {
unstaged =
Iterators.filter(
unstaged,
new Predicate<DiffEntry>() {
@Override
public boolean apply(@Nullable DiffEntry input) {
// HACK: avoid reporting changed trees
if (input.isChange() && input.getOldObject().getType().equals(TYPE.TREE)) {
return false;
}
return input.getOldObject() != null;
}
});
}
index().stage(progress, unstaged, numChanges);
List<Conflict> conflicts = index().getConflicted(pathFilter);
ConflictsDatabase conflictsDatabase = conflictsDatabase();
for (Conflict conflict : conflicts) {
// if we are staging unmerged files, the conflict should get solved. However, if the
// working index object is the same as the staging area one (for instance, after running
// checkout --ours), it will not be reported by the getUnstaged method. We solve that
// here.
conflictsDatabase.removeConflict(null, conflict.getPath());
}
}
private void removeExpensiveXtextAnnotations(IProgressMonitor monitor) {
List<Annotation> issues = Lists.newArrayList();
Iterator<XtextAnnotation> xtext =
Iterators.filter(fAnnotationModel.getAnnotationIterator(), XtextAnnotation.class);
while (xtext.hasNext() && !monitor.isCanceled()) {
final XtextAnnotation annotation = xtext.next();
Issue issue = annotation.getIssue();
if (!annotation.isMarkedDeleted()
&& isRelevantAnnotationType(annotation.getType())
&& issue.getType() == CheckType.EXPENSIVE) {
issues.add(annotation);
}
}
updateAnnotations(monitor, issues, Maps.<Annotation, Position>newHashMap());
}
private Iterator<SimpleFeature> filter(
Iterator<SimpleFeature> plainFeatures, final ObjectId filterFeatureTypeId) {
return Iterators.filter(
plainFeatures,
new Predicate<SimpleFeature>() {
@Override
public boolean apply(SimpleFeature input) {
RevFeatureType type;
type = (RevFeatureType) input.getUserData().get(RevFeatureType.class);
ObjectId metadataId = type.getId();
boolean applies = filterFeatureTypeId.equals(metadataId);
return applies;
}
});
}
private Iterator<SimpleFeature> force(
Iterator<SimpleFeature> plainFeatures, final ObjectId forceMetadataId) {
return Iterators.filter(
plainFeatures,
new Predicate<SimpleFeature>() {
@Override
public boolean apply(SimpleFeature input) {
RevFeatureType type;
type = (RevFeatureType) input.getUserData().get(RevFeatureType.class);
ObjectId metadataId = type.getId();
if (!forceMetadataId.equals(metadataId)) {
throw new GeoToolsOpException(StatusCode.MIXED_FEATURE_TYPES);
}
return true;
}
});
}
private void removeExpensiveAndFastMarkerAnnotations(IProgressMonitor monitor) {
// every markerAnnotation produced by fast validation can be marked as deleted.
// If its predicate still holds, the validation annotation will be covered anyway.
Iterator<MarkerAnnotation> annotationIterator =
Iterators.filter(fAnnotationModel.getAnnotationIterator(), MarkerAnnotation.class);
while (annotationIterator.hasNext() && !monitor.isCanceled()) {
final MarkerAnnotation annotation = annotationIterator.next();
if (!annotation.isMarkedDeleted()) {
try {
IMarker marker = annotation.getMarker();
if (isRelevantAnnotationType(annotation.getType())
&& marker.isSubtypeOf(MarkerTypes.EXPENSIVE_VALIDATION)) {
annotation.markDeleted(true);
queueOrFireAnnotationChangedEvent(annotation);
}
} catch (CoreException e) {
// marker type cannot be resolved - keep state of annotation
}
}
}
}
public static List<DataStoreInfo> findGeogitStores(Request request) {
List<DataStoreInfo> geogitStores;
Catalog catalog = getCatalog(request);
org.opengis.filter.Filter filter =
Predicates.equal("type", GeoGitDataStoreFactory.DISPLAY_NAME);
CloseableIterator<DataStoreInfo> stores = catalog.list(DataStoreInfo.class, filter);
try {
Predicate<DataStoreInfo> enabled =
new Predicate<DataStoreInfo>() {
@Override
public boolean apply(@Nullable DataStoreInfo input) {
return input.isEnabled();
}
};
geogitStores = ImmutableList.copyOf(Iterators.filter(stores, enabled));
} finally {
stores.close();
}
return geogitStores;
}
private static ImageDescriptor findImageDescriptor(TreeItemCreationTool createTool) {
ImageDescriptor descriptor =
DTreeViewerManager.getImageRegistry()
.getDescriptor(DTreeViewerManager.CREATE_TREE_ITEM_IMG);
EObject created = null;
Iterator<CreateInstance> createInstances =
Iterators.filter(createTool.eAllContents(), CreateInstance.class);
while (created == null && createInstances.hasNext()) {
CreateInstance map = createInstances.next();
created = CreateToolItemAction.tryToInstanciateType(createTool, created, map.getTypeName());
}
Iterator<TreeItemMapping> it = createTool.getMapping().iterator();
while (created == null && it.hasNext()) {
TreeItemMapping map = it.next();
created =
CreateToolItemAction.tryToInstanciateType(createTool, created, map.getDomainClass());
}
if (created != null) {
final IItemLabelProvider labelProvider =
(IItemLabelProvider)
TreeUIPlugin.getPlugin()
.getItemProvidersAdapterFactory()
.adapt(created, IItemLabelProvider.class);
if (labelProvider != null) {
ImageDescriptor semanticDescriptor =
ExtendedImageRegistry.getInstance().getImageDescriptor(labelProvider.getImage(created));
if (semanticDescriptor != null) {
descriptor = semanticDescriptor;
}
}
}
return descriptor;
}
/**
* Ensures that at most <code>n</code> are up and running. If less nodes that <code>n</code> are
* running this method will not start any additional nodes.
*/
public synchronized void ensureAtMostNumNodes(int n) {
if (nodes.size() <= n) {
return;
}
// prevent killing the master if possible
final Iterator<NodeAndClient> values =
n == 0
? nodes.values().iterator()
: Iterators.filter(
nodes.values().iterator(),
Predicates.not(new MasterNodePredicate(getMasterName())));
final Iterator<NodeAndClient> limit = Iterators.limit(values, nodes.size() - n);
logger.info("reducing cluster size from {} to {}", nodes.size() - n, n);
Set<NodeAndClient> nodesToRemove = new HashSet<NodeAndClient>();
while (limit.hasNext()) {
NodeAndClient next = limit.next();
nodesToRemove.add(next);
next.close();
}
for (NodeAndClient toRemove : nodesToRemove) {
nodes.remove(toRemove.name);
}
}
@Override
protected Iterator<Calendar> iterator() {
// wrap an iterator over services
Iterator<Calendar> calIt =
Iterators.transform(
feed.services.values().iterator(),
new Function<Service, Calendar>() {
@Override
public Calendar apply(Service s) {
return s.calendar;
}
});
// not every service has a calendar (e.g. TriMet has no calendars, just calendar dates).
// This is legal GTFS, so skip services with no calendar
return Iterators.filter(
calIt,
new Predicate<Calendar>() {
@Override
public boolean apply(Calendar c) {
return c != null;
}
});
}
/** Wraps another iterator and throws away nulls. */
public static <T> Iterator<T> removeNull(final Iterator<T> itr) {
return com.google.common.collect.Iterators.filter(itr, Predicates.notNull());
}
public Iterator<TypedVar> getDeclarativelyUnboundVarsWithoutTypes() {
return Iterators.filter(getVars(), DECLARATIVELY_UNBOUND_VARS_WITHOUT_TYPES);
}
private static Iterator<SimpleFeature> getFeatures(
final RevTree typeTree,
final ObjectDatabase database,
final ObjectId defaultMetadataId,
final ProgressListener progressListener) {
Iterator<NodeRef> nodes =
new DepthTreeIterator("", defaultMetadataId, typeTree, database, Strategy.FEATURES_ONLY);
// progress reporting
nodes =
Iterators.transform(
nodes,
new Function<NodeRef, NodeRef>() {
private AtomicInteger count = new AtomicInteger();
@Override
public NodeRef apply(NodeRef input) {
progressListener.setProgress((count.incrementAndGet() * 100.f) / typeTree.size());
return input;
}
});
Function<NodeRef, SimpleFeature> asFeature =
new Function<NodeRef, SimpleFeature>() {
private Map<ObjectId, FeatureBuilder> ftCache = Maps.newHashMap();
@Override
@Nullable
public SimpleFeature apply(final NodeRef input) {
final ObjectId metadataId = input.getMetadataId();
final RevFeature revFeature = database.getFeature(input.getObjectId());
FeatureBuilder featureBuilder = getBuilderFor(metadataId);
Feature feature = featureBuilder.build(input.name(), revFeature);
feature.getUserData().put(Hints.USE_PROVIDED_FID, true);
feature.getUserData().put(RevFeature.class, revFeature);
feature.getUserData().put(RevFeatureType.class, featureBuilder.getType());
if (feature instanceof SimpleFeature) {
return (SimpleFeature) feature;
}
return null;
}
private FeatureBuilder getBuilderFor(final ObjectId metadataId) {
FeatureBuilder featureBuilder = ftCache.get(metadataId);
if (featureBuilder == null) {
RevFeatureType revFtype = database.getFeatureType(metadataId);
featureBuilder = new FeatureBuilder(revFtype);
ftCache.put(metadataId, featureBuilder);
}
return featureBuilder;
}
};
Iterator<SimpleFeature> asFeatures = Iterators.transform(nodes, asFeature);
UnmodifiableIterator<SimpleFeature> filterNulls =
Iterators.filter(asFeatures, Predicates.notNull());
return filterNulls;
}
/**
* Executes the export operation using the parameters that have been specified.
*
* @return a FeatureCollection with the specified features
*/
@Override
protected SimpleFeatureStore _call() {
final ObjectDatabase database = objectDatabase();
if (filterFeatureTypeId != null) {
RevObject filterType = database.getIfPresent(filterFeatureTypeId);
checkArgument(
filterType instanceof RevFeatureType, "Provided filter feature type is does not exist");
}
final SimpleFeatureStore targetStore = getTargetStore();
final String refspec = resolveRefSpec();
final String treePath = refspec.substring(refspec.indexOf(':') + 1);
final RevTree rootTree = resolveRootTree(refspec);
final NodeRef typeTreeRef = resolTypeTreeRef(refspec, treePath, rootTree);
final ObjectId defaultMetadataId = typeTreeRef.getMetadataId();
final RevTree typeTree = database.getTree(typeTreeRef.getObjectId());
final ProgressListener progressListener = getProgressListener();
progressListener.started();
progressListener.setDescription(
"Exporting from " + path + " to " + targetStore.getName().getLocalPart() + "... ");
final Iterator<SimpleFeature> filtered;
{
final Iterator<SimpleFeature> plainFeatures =
getFeatures(typeTree, database, defaultMetadataId, progressListener);
Iterator<SimpleFeature> adaptedFeatures = adaptToArguments(plainFeatures, defaultMetadataId);
Iterator<Optional<Feature>> transformed =
Iterators.transform(adaptedFeatures, ExportOp.this.function);
Iterator<SimpleFeature> result =
Iterators.filter(
Iterators.transform(
transformed,
new Function<Optional<Feature>, SimpleFeature>() {
@Override
public SimpleFeature apply(Optional<Feature> input) {
return (SimpleFeature) input.orNull();
}
}),
Predicates.notNull());
// check the resulting schema has something to contribute
PeekingIterator<SimpleFeature> peekingIt = Iterators.peekingIterator(result);
if (peekingIt.hasNext()) {
Function<AttributeDescriptor, String> toString =
new Function<AttributeDescriptor, String>() {
@Override
public String apply(AttributeDescriptor input) {
return input.getLocalName();
}
};
SimpleFeature peek = peekingIt.peek();
Set<String> sourceAtts =
new HashSet<String>(
Lists.transform(peek.getFeatureType().getAttributeDescriptors(), toString));
Set<String> targetAtts =
new HashSet<String>(
Lists.transform(targetStore.getSchema().getAttributeDescriptors(), toString));
if (Sets.intersection(sourceAtts, targetAtts).isEmpty()) {
throw new GeoToolsOpException(
StatusCode.UNABLE_TO_ADD,
"No common attributes between source and target feature types");
}
}
filtered = peekingIt;
}
FeatureCollection<SimpleFeatureType, SimpleFeature> asFeatureCollection =
new BaseFeatureCollection<SimpleFeatureType, SimpleFeature>() {
@Override
public FeatureIterator<SimpleFeature> features() {
return new DelegateFeatureIterator<SimpleFeature>(filtered);
}
};
// add the feature collection to the feature store
final Transaction transaction;
if (transactional) {
transaction = new DefaultTransaction("create");
} else {
transaction = Transaction.AUTO_COMMIT;
}
try {
targetStore.setTransaction(transaction);
try {
targetStore.addFeatures(asFeatureCollection);
transaction.commit();
} catch (final Exception e) {
if (transactional) {
transaction.rollback();
}
Throwables.propagateIfInstanceOf(e, GeoToolsOpException.class);
throw new GeoToolsOpException(e, StatusCode.UNABLE_TO_ADD);
} finally {
transaction.close();
}
} catch (IOException e) {
throw new GeoToolsOpException(e, StatusCode.UNABLE_TO_ADD);
}
progressListener.complete();
return targetStore;
}
default Iterator<ClassFileResource> classFileFilteringIterator(Iterator<ClassFileResource> it) {
return Iterators.filter(
it, classFileResource -> classFileResource.getName().endsWith(".class"));
}
@Override
public Iterator<TitanElement> getNew(final StandardElementQuery query) {
Preconditions.checkArgument(
query.getType() == StandardElementQuery.Type.VERTEX
|| query.getType() == StandardElementQuery.Type.EDGE);
if (query.getType() == StandardElementQuery.Type.VERTEX && hasModifications()) {
// Collect all keys from the query - ASSUMPTION: query is an AND of KeyAtom
final Set<TitanKey> keys = Sets.newHashSet();
KeyAtom<TitanKey> standardIndexKey = null;
for (KeyCondition<TitanKey> cond : query.getCondition().getChildren()) {
KeyAtom<TitanKey> atom = (KeyAtom<TitanKey>) cond;
if (atom.getRelation() == Cmp.EQUAL && isVertexIndexProperty(atom.getKey()))
standardIndexKey = atom;
keys.add(atom.getKey());
}
Iterator<TitanVertex> vertices;
if (standardIndexKey == null) {
Set<TitanVertex> vertexSet = Sets.newHashSet();
for (TitanRelation r :
addedRelations.getView(
new Predicate<InternalRelation>() {
@Override
public boolean apply(@Nullable InternalRelation relation) {
return keys.contains(relation.getType());
}
})) {
vertexSet.add(((TitanProperty) r).getVertex());
}
for (TitanRelation r : deletedRelations.values()) {
if (keys.contains(r.getType())) {
TitanVertex v = ((TitanProperty) r).getVertex();
if (!v.isRemoved()) vertexSet.add(v);
}
}
vertices = vertexSet.iterator();
} else {
vertices =
Iterators.transform(
newVertexIndexEntries
.get(standardIndexKey.getCondition(), standardIndexKey.getKey())
.iterator(),
new Function<TitanProperty, TitanVertex>() {
@Nullable
@Override
public TitanVertex apply(@Nullable TitanProperty o) {
return o.getVertex();
}
});
}
return (Iterator)
Iterators.filter(
vertices,
new Predicate<TitanVertex>() {
@Override
public boolean apply(@Nullable TitanVertex vertex) {
return query.matches(vertex);
}
});
} else if (query.getType() == StandardElementQuery.Type.EDGE
&& !addedRelations.isEmpty()) {
return (Iterator)
addedRelations
.getView(
new Predicate<InternalRelation>() {
@Override
public boolean apply(@Nullable InternalRelation relation) {
return (relation instanceof TitanEdge)
&& !relation.isHidden()
&& query.matches(relation);
}
})
.iterator();
} else throw new IllegalArgumentException("Unexpected type: " + query.getType());
}
@Override
public Iterator<TitanElement> execute(final StandardElementQuery query) {
Iterator<TitanElement> iter = null;
if (!query.hasIndex()) {
log.warn(
"Query requires iterating over all vertices [{}]. For better performance, use indexes",
query.getCondition());
if (query.getType() == StandardElementQuery.Type.VERTEX) {
iter = (Iterator) getVertices().iterator();
} else if (query.getType() == StandardElementQuery.Type.EDGE) {
iter = (Iterator) getEdges().iterator();
} else throw new IllegalArgumentException("Unexpected type: " + query.getType());
iter =
Iterators.filter(
iter,
new Predicate<TitanElement>() {
@Override
public boolean apply(@Nullable TitanElement element) {
return query.matches(element);
}
});
} else {
String index = query.getIndex();
log.debug("Answering query [{}] with index {}", query, index);
// Filter out everything not covered by the index
KeyCondition<TitanKey> condition = query.getCondition();
// ASSUMPTION: query is an AND of KeyAtom
Preconditions.checkArgument(condition instanceof KeyAnd);
Preconditions.checkArgument(condition.hasChildren());
List<KeyCondition<TitanKey>> newConds = Lists.newArrayList();
boolean needsFilter = false;
for (KeyCondition<TitanKey> c : condition.getChildren()) {
KeyAtom<TitanKey> atom = (KeyAtom<TitanKey>) c;
if (getGraph()
.getIndexInformation(index)
.supports(atom.getKey().getDataType(), atom.getRelation())
&& atom.getKey().hasIndex(index, query.getType().getElementType())
&& atom.getCondition() != null) {
newConds.add(atom);
} else {
log.debug(
"Filtered out atom [{}] from query [{}] because it is not indexed or not covered by the index");
needsFilter = true;
}
}
Preconditions.checkArgument(
!newConds.isEmpty(), "Invalid index assignment [%s] to query [%s]", index, query);
final StandardElementQuery indexQuery;
if (needsFilter) {
Preconditions.checkArgument(
!newConds.isEmpty(),
"Query has been assigned an index [%s] in error: %s",
query.getIndex(),
query);
indexQuery =
new StandardElementQuery(
query.getType(),
KeyAnd.of(newConds.toArray(new KeyAtom[newConds.size()])),
query.getLimit(),
index);
} else {
indexQuery = query;
}
try {
iter =
Iterators.transform(
indexCache
.get(
indexQuery,
new Callable<List<Object>>() {
@Override
public List<Object> call() throws Exception {
return graph.elementQuery(indexQuery, txHandle);
}
})
.iterator(),
new Function<Object, TitanElement>() {
@Nullable
@Override
public TitanElement apply(@Nullable Object id) {
Preconditions.checkNotNull(id);
if (id instanceof Long) return (TitanVertex) getVertex((Long) id);
else if (id instanceof RelationIdentifier)
return (TitanElement) getEdge((RelationIdentifier) id);
else throw new IllegalArgumentException("Unexpected id type: " + id);
}
});
} catch (Exception e) {
throw new TitanException("Could not call index", e);
}
if (needsFilter) {
iter =
Iterators.filter(
iter,
new Predicate<TitanElement>() {
@Override
public boolean apply(@Nullable TitanElement element) {
return element != null
&& !element.isRemoved()
&& !isDeleted(query, element)
&& query.matches(element);
}
});
} else {
iter =
Iterators.filter(
iter,
new Predicate<TitanElement>() {
@Override
public boolean apply(@Nullable TitanElement element) {
return element != null
&& !element.isRemoved()
&& !isDeleted(query, element);
}
});
}
}
return iter;
}
@Override
public Iterator<E> iterator() {
return Iterators.filter(unfiltered.iterator(), predicate);
}
@Override
public Iterator<E> getEdges(Predicate<? super E> filter) {
return Iterators.filter(getEdges(), filter);
}
@Override
public Iterator<V> getVertices(Predicate<? super V> filter) {
return Iterators.filter(getVertices(), filter);
}
@Override
public Iterator<E> getOutEdges(V vertex, Predicate<? super E> filter) {
return Iterators.filter(getOutEdges(vertex), filter);
}
public Iterator iterator() {
return Iterators.filter(this.field_148748_b.iterator(), Predicates.notNull());
}
@Override
public Maybe<JsonElement> apply(JsonElement input) {
JsonArray array = input.getAsJsonArray();
Iterator<JsonElement> filtered = Iterators.filter(array.iterator(), predicate);
return Maybe.next(filtered);
}
@Override
@Deprecated
public Iterator<E> iterator() {
return limit(Iterators.filter(delegate.iterator(), predicate));
}
