List of usage examples for com.google.common.collect Iterators concat
public static <T> Iterator<T> concat(Iterator<? extends T> a, Iterator<? extends T> b)
From source file:org.eclipse.sirius.properties.core.internal.expressions.PropertiesInterpretedExpressionQuery.java
/** * return true if the given EObject is from PropertiesPackage or inherits * from one of the EClasses of PropertiesPackage. * /*from w w w .j a v a 2 s . c o m*/ * @param object * any EObject * @return true if the given EObject is from PropertiesPackage or inherits * from one of the EClasses of PropertiesPackage */ private boolean isFromOrInheritsPropertiesEPackage(EObject object) { boolean isPropertiesElement = false; Iterator<EClass> it = Iterators.concat(Iterators.singletonIterator(object.eClass()), object.eClass().getEAllSuperTypes().iterator()); while (!isPropertiesElement && it.hasNext()) { isPropertiesElement = it.next().getEPackage() == PropertiesPackage.eINSTANCE; } return isPropertiesElement; }
From source file:org.eclipse.xtext.validation.impl.ConcreteSyntaxConstraintProvider.java
protected boolean containsRelevantElement(AbstractElement ele) { Iterator<EObject> i = Iterators.concat(Collections.singleton(ele).iterator(), ele.eAllContents()); while (i.hasNext()) { EObject o = i.next();//from w w w . j a va 2 s .c o m if (o instanceof Action || o instanceof Assignment) return true; if (o instanceof RuleCall && containsRelevantElement(((RuleCall) o).getRule().getAlternatives())) return true; } return false; }
From source file:org.pshdl.model.impl.AbstractHDLSwitchCaseStatement.java
@Override public Iterator<IHDLObject> deepIterator() { return new Iterator<IHDLObject>() { private int pos = 0; private Iterator<? extends IHDLObject> current; @Override/*from w w w . j a v a 2 s .c o m*/ public boolean hasNext() { if ((current != null) && !current.hasNext()) { current = null; } while (current == null) { switch (pos++) { case 0: if (label != null) { current = Iterators.concat(Iterators.forArray(label), label.deepIterator()); } break; case 1: if ((dos != null) && (dos.size() != 0)) { final List<Iterator<? extends IHDLObject>> iters = Lists .newArrayListWithCapacity(dos.size()); for (final HDLStatement o : dos) { iters.add(Iterators.forArray(o)); iters.add(o.deepIterator()); } current = Iterators.concat(iters.iterator()); } break; default: return false; } } return (current != null) && current.hasNext(); } @Override public IHDLObject next() { return current.next(); } @Override public void remove() { throw new IllegalArgumentException("Not supported"); } }; }
From source file:org.pshdl.model.impl.AbstractHDLRange.java
@Override public Iterator<IHDLObject> deepIterator() { return new Iterator<IHDLObject>() { private int pos = 0; private Iterator<? extends IHDLObject> current; @Override/*w w w. j a va2s . c om*/ public boolean hasNext() { if ((current != null) && !current.hasNext()) { current = null; } while (current == null) { switch (pos++) { case 0: if (from != null) { current = Iterators.concat(Iterators.forArray(from), from.deepIterator()); } break; case 1: if (inc != null) { current = Iterators.concat(Iterators.forArray(inc), inc.deepIterator()); } break; case 2: if (dec != null) { current = Iterators.concat(Iterators.forArray(dec), dec.deepIterator()); } break; case 3: if (to != null) { current = Iterators.concat(Iterators.forArray(to), to.deepIterator()); } break; default: return false; } } return (current != null) && current.hasNext(); } @Override public IHDLObject next() { return current.next(); } @Override public void remove() { throw new IllegalArgumentException("Not supported"); } }; }
From source file:com.twitter.common.args.apt.Configuration.java
private static ConfigurationResources getAllResources() throws IOException { int maxResourceIndex = 0; Iterator<URL> allResources = getResources(0); // Try for a main // Probe for resource files with index up to 10 (or more, while resources at the // given index can be found) for (int nextResourceIndex = 1; nextResourceIndex <= maxResourceIndex + 10; nextResourceIndex++) { Iterator<URL> resources = getResources(nextResourceIndex); if (resources.hasNext()) { allResources = Iterators.concat(allResources, resources); maxResourceIndex = nextResourceIndex; }//from www .j a v a2 s .com } return new ConfigurationResources(maxResourceIndex + 1, allResources); }
From source file:org.pshdl.model.impl.AbstractHDLSwitchStatement.java
@Override public Iterator<IHDLObject> deepIterator() { return new Iterator<IHDLObject>() { private int pos = 0; private Iterator<? extends IHDLObject> current; @Override/*from w ww. j a va2 s . c o m*/ public boolean hasNext() { if ((current != null) && !current.hasNext()) { current = null; } while (current == null) { switch (pos++) { case 0: if (caseExp != null) { current = Iterators.concat(Iterators.forArray(caseExp), caseExp.deepIterator()); } break; case 1: if ((cases != null) && (cases.size() != 0)) { final List<Iterator<? extends IHDLObject>> iters = Lists .newArrayListWithCapacity(cases.size()); for (final HDLSwitchCaseStatement o : cases) { iters.add(Iterators.forArray(o)); iters.add(o.deepIterator()); } current = Iterators.concat(iters.iterator()); } break; default: return false; } } return (current != null) && current.hasNext(); } @Override public IHDLObject next() { return current.next(); } @Override public void remove() { throw new IllegalArgumentException("Not supported"); } }; }
From source file:com.dangdang.ddframe.rdb.sharding.jdbc.ShardingStatement.java
@Override public Collection<? extends Statement> getRoutedStatements() { return Lists.newArrayList(Iterators.concat( Iterators.transform(cachedRoutedStatements.getFirst().iterator(), TRANSFORM_FUNCTION), Iterators.transform(cachedRoutedStatements.getLast().iterator(), TRANSFORM_FUNCTION))); }
From source file:org.locationtech.geogig.storage.postgresql.PGObjectStore.java
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override/*www .j a v a 2 s.c o m*/
public <T extends RevObject> Iterator<T> getAll(Iterable<ObjectId> ids, BulkOpListener listener,
Class<T> type) {
checkNotNull(ids, "ids is null");
checkNotNull(listener, "listener is null");
checkNotNull(type, "type is null");
checkState(isOpen(), "Database is closed");
config.checkRepositoryExists();
final Set<ObjectId> queryIds = ids instanceof Set ? (Set<ObjectId>) ids : Sets.newHashSet(ids);
ImmutableMap<ObjectId, byte[]> cached = byteCache.getAllPresent(queryIds);
Iterator<T> hits = Collections.emptyIterator();
Iterator<T> stream = Collections.emptyIterator();
if (!cached.isEmpty()) {
Map<ObjectId, T> cachedObjects = Maps.transformEntries(cached, (id, bytes) -> {
RevObject o = encoder.decode(id, bytes);
if (type.isAssignableFrom(o.getClass())) {
listener.found(id, Integer.valueOf(bytes.length));
return type.cast(o);
}
listener.notFound(id);
return null;
});
hits = Iterators.filter(cachedObjects.values().iterator(), Predicates.notNull());
}
if (queryIds.size() > cached.size()) {
Set<ObjectId> misses = Sets.difference(queryIds, cached.keySet());
stream = new GetAllIterator(dataSource, misses.iterator(), type, listener, this);
}
return Iterators.concat(hits, stream);
}
From source file:org.fcrepo.kernel.modeshape.FedoraResourceImpl.java
@Override public void delete() { try {// w w w. j a va 2 s . co m final Iterator<Property> references = node.getReferences(); final Iterator<Property> weakReferences = node.getWeakReferences(); final Iterator<Property> inboundProperties = Iterators.concat(references, weakReferences); while (inboundProperties.hasNext()) { final Property prop = inboundProperties.next(); final List<Value> newVals = property2values.apply(prop) .filter(UncheckedPredicate.uncheck( value -> !node.equals(getSession().getNodeByIdentifier(value.getString())))) .collect(toList()); if (newVals.size() == 0) { prop.remove(); } else { prop.setValue(newVals.toArray(new Value[newVals.size()])); } } final Node parent; if (getNode().getDepth() > 0) { parent = getNode().getParent(); } else { parent = null; } final String name = getNode().getName(); node.remove(); if (parent != null) { createTombstone(parent, name); } } catch (final RepositoryException e) { throw new RepositoryRuntimeException(e); } }
From source file:org.eclipse.sirius.ecore.extender.business.internal.accessor.ecore.EcoreIntrinsicExtender.java
private Iterator<EClass> getEClassesFromName(final String name) { return Iterators.concat(viewpointIndex.get(name).iterator(), platformIndex.getEClassesFromName(name).iterator()); }