Example usage for com.google.common.collect Iterators filter

Introduction

In this page you can find the example usage for com.google.common.collect Iterators filter.

Prototype

@SuppressWarnings("unchecked") 
@GwtIncompatible("Class.isInstance")
@CheckReturnValue
public static <T> UnmodifiableIterator<T> filter(Iterator<?> unfiltered, Class<T> desiredType)

Source Link

Document

Returns all elements in unfiltered that are of the type desiredType .

Usage

From source file:org.fcrepo.kernel.api.utils.iterators.RdfStream.java

/**
 * Filter the RDF triples while maintaining context.
 *
 * @param predicate the predicate/*  w  ww .j  ava  2 s.co  m*/
 * @return RdfStream
 */
public RdfStream filter(final Predicate<? super Triple> predicate) {
    return withThisContext(Iterators.filter(this, predicate::test));
}

From source file:org.openengsb.core.common.internal.VirtualConnectorManager.java

private Iterator<Registration> getFactoriesForDomainProviderForRemoval(final DomainProvider provider) {
    Iterator<Registration> consumingIterator = Iterators.consumingIterator(registeredFactories.iterator());
    return Iterators.filter(consumingIterator, new Predicate<Registration>() {
        @Override//  w w w  . j  a  va  2 s.  co m
        public boolean apply(Registration input) {
            return ObjectUtils.equals(input.domainProvider, provider);
        }
    });
}

From source file:org.apache.jackrabbit.oak.security.user.UserPrincipalProvider.java

@Nonnull
@Override//from w  w w. j a  v a 2  s  . c  o  m
public Iterator<? extends Principal> findPrincipals(final String nameHint, final int searchType) {
    try {
        AuthorizableType type = AuthorizableType.getType(searchType);
        StringBuilder statement = new StringBuilder()
                .append(QueryUtil.getSearchRoot(type, config.getParameters())).append("//element(*,")
                .append(QueryUtil.getNodeTypeName(type)).append(')').append("[jcr:like(@rep:principalName,'")
                .append(buildSearchPattern(nameHint)).append("')]");

        Result result = root.getQueryEngine().executeQuery(statement.toString(), javax.jcr.query.Query.XPATH,
                NO_BINDINGS, namePathMapper.getSessionLocalMappings());

        Iterator<Principal> principals = Iterators.filter(
                Iterators.transform(result.getRows().iterator(), new ResultRowToPrincipal()),
                Predicates.notNull());

        if (matchesEveryone(nameHint, searchType)) {
            principals = Iterators.concat(principals,
                    Iterators.singletonIterator(EveryonePrincipal.getInstance()));
            return Iterators.filter(principals, new EveryonePredicate());
        } else {
            return principals;
        }
    } catch (ParseException e) {
        log.debug(e.getMessage());
        return Iterators.emptyIterator();
    }
}

From source file:jflowmap.ColorSchemes.java

public final static List<ColorSchemes> ofType(final Type type) {
    return ImmutableList.copyOf(Iterators.filter(Iterators.forArray(values()), new Predicate<ColorSchemes>() {
        public boolean apply(ColorSchemes cs) {
            return cs.type == type;
        }//  w w  w  .  ja va  2 s . c o m
    }));
}

From source file:org.eclipse.sirius.business.api.control.SiriusUncontrolCommand.java

private boolean airdResourceHasNoRepresentations(final Resource childAirdResource) {
    return Iterators.size(Iterators.filter(EcoreUtil.getAllProperContents(childAirdResource, true),
            DRepresentation.class)) == 0;
}

From source file:org.obeonetwork.dsl.uml2.design.api.services.CompositeStructureDiagramServices.java

/**
 * Get provided interfaces.// w  w w  .j  av  a  2s . c o  m
 *
 * @param diagram
 *            Diagram
 * @return The interfaces realized by ports visible on the diagram
 */
public Collection<EObject> getPortInterfaceRealization(DDiagram diagram) {
    final Set<EObject> result = Sets.newLinkedHashSet();
    if (diagram instanceof DSemanticDecorator) {
        final Session sess = SessionManager.INSTANCE.getSession(((DSemanticDecorator) diagram).getTarget());

        final Iterator<EObject> it = Iterators.transform(
                Iterators.filter(diagram.eAllContents(), AbstractDNode.class),
                new Function<AbstractDNode, EObject>() {

                    public EObject apply(AbstractDNode input) {
                        return input.getTarget();
                    }
                });
        while (it.hasNext()) {
            final EObject displayedAsANode = it.next();
            if (displayedAsANode != null) {
                for (final Setting xRef : sess.getSemanticCrossReferencer()
                        .getInverseReferences(displayedAsANode)) {
                    EObject eObject = xRef.getEObject();
                    if (eObject instanceof DNode) {
                        eObject = ((DNode) eObject).getTarget();
                    }
                    if (sess.getModelAccessor().eInstanceOf(eObject, "Port")) { //$NON-NLS-1$
                        final Port port = (Port) eObject;
                        result.addAll(port.getProvideds());
                    }
                }
            }
        }
    }
    return result;
}

From source file:org.apache.jackrabbit.oak.spi.security.authentication.external.impl.principal.ExternalGroupPrincipalProvider.java

@Nonnull
@Override//from  ww w  .j  ava2s. c  om
public Iterator<? extends Principal> findPrincipals(@Nullable String nameHint, int searchType) {
    if (PrincipalManager.SEARCH_TYPE_NOT_GROUP != searchType) {
        Result result = findPrincipals(Strings.nullToEmpty(nameHint), false);
        if (result != null) {
            return Iterators.filter(new GroupPrincipalIterator(nameHint, result), Predicates.notNull());
        }
    }

    return Iterators.emptyIterator();
}

From source file:com.google.devtools.kythe.platform.indexpack.Archive.java

/** Returns an {@link Iterator} of the units stored in the archive with a given format key. */
public <T> Iterator<T> readUnits(final String formatKey, final Class<T> cls) throws IOException {
    Preconditions.checkNotNull(formatKey);
    return Iterators.filter(Iterators.transform(Files.newDirectoryStream(unitDir, "*" + UNIT_SUFFIX).iterator(),
            new Function<Path, T>() {
                @Override/*w  w w .ja v  a 2s . c o  m*/
                public T apply(Path path) {
                    try {
                        String name = path.getFileName().toString();
                        if (!name.endsWith(UNIT_SUFFIX)) {
                            throw new IllegalStateException("Received path without unit suffix: " + path);
                        }
                        String key = name.substring(0, name.length() - UNIT_SUFFIX.length());
                        return readUnit(key, formatKey, cls);
                    } catch (IOException ioe) {
                        throw Throwables.propagate(ioe);
                    }
                }
            }), new Predicate<T>() {
                @Override
                public boolean apply(T unit) {
                    return unit != null;
                }
            });
}

From source file:com.google.devtools.build.lib.profiler.statistics.PhaseStatistics.java

/**
 * Iterator over all {@link ProfilerTask}s that were executed at least once and have a total
 * duration greater than 0.//from  w w w .j a v a2  s .c o m
 */
@Override
public Iterator<ProfilerTask> iterator() {
    return Iterators.filter(taskCounts.keySet().iterator(), new Predicate<ProfilerTask>() {
        @Override
        public boolean apply(ProfilerTask taskType) {
            return getTotalDurationNanos(taskType) > 0 && wasExecuted(taskType);
        }
    });
}

From source file:com.google.javascript.jscomp.TypedScope.java

public Iterator<TypedVar> getDeclarativelyUnboundVarsWithoutTypes() {
    return Iterators.filter(getVars(), DECLARATIVELY_UNBOUND_VARS_WITHOUT_TYPES);
}