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.mandarax.rt._InDomainRelInstances.java

public static ResourceIterator<_InDomainRel> contains(final DerivationController _derivation,
        final Iterable container, final Object element) {
    final int _derivationlevel = _derivation.size();
    final Iterator iterator = Iterators.filter(container.iterator(), new Predicate() {
        @Override//w  ww. j  a  v a  2 s. c om
        public boolean apply(Object e) {
            return element.equals(e);
        }
    });

    ResourceIterator<_InDomainRel> r = new ResourceIterator<_InDomainRel>() {
        int count = 0;

        @Override
        public boolean hasNext() {
            return iterator.hasNext();
        }

        @Override
        public _InDomainRel next() {
            _derivation.pop(_derivationlevel);
            _derivation.log("In.genfact" + (count++), DerivationController.INDOMAIN, new Properties());
            _InDomainRel rel = new _InDomainRel();
            rel.container = container;
            rel.element = iterator.next();
            return rel;
        }

        @Override
        public void remove() {
            iterator.remove();
        }

        @Override
        public void close() {
            if (iterator instanceof Closeable) {
                try {
                    ((Closeable) iterator).close();
                } catch (IOException x) {
                    errorOnClose(container);
                }
            }
        }

    };
    return r;
}

From source file:org.calrissian.mango.collect.CloseableIterators.java

/**
 * Returns the elements of {@code unfiltered} that satisfy a predicate.
 *//*w  w  w  . jav a 2 s .co m*/
public static <T> CloseableIterator<T> filter(final CloseableIterator<T> iterator, final Predicate<T> filter) {
    return wrap(Iterators.filter(iterator, filter), iterator);
}

From source file:nz.ac.massey.cs.guery.impl.BreadthFirstPathFinder.java

public Iterator<Path<V, E>> findLinks(GraphAdapter<V, E> g, V start, final int minLength, int maxLength,
        boolean outgoing, Predicate<E> filter, boolean computeAll) {
    if (maxLength == 1) {
        return findDirectLinks(g, start, minLength, outgoing, filter, computeAll);
    }//from   w w  w  .j a  v  a2s. c  o m

    Iterator<Path<V, E>> iter = new BreadthFirstPathIterator<V, E>(g, start, minLength, maxLength, outgoing,
            filter, computeAll);
    if (minLength > 1) {
        return Iterators.filter(iter, new Predicate<Path<V, E>>() {
            @Override
            public boolean apply(Path<V, E> p) {
                return p.size() >= minLength;
            }
        });
    } else {
        return iter;
    }
}

From source file:org.locationtech.geogig.api.porcelain.CleanOp.java

/**
 * @see java.util.concurrent.Callable#call()
 *///from   ww w  .jav a2 s .c  om
protected WorkingTree _call() {

    if (path != null) {
        // check that is a valid path
        NodeRef.checkValidPath(path);

        Optional<NodeRef> ref = command(FindTreeChild.class).setParent(workingTree().getTree())
                .setChildPath(path).call();

        Preconditions.checkArgument(ref.isPresent(), "pathspec '%s' did not match any tree", path);
        Preconditions.checkArgument(ref.get().getType() == TYPE.TREE, "pathspec '%s' did not resolve to a tree",
                path);
    }

    final Iterator<DiffEntry> unstaged = command(DiffWorkTree.class).setFilter(path).call();
    final Iterator<DiffEntry> added = Iterators.filter(unstaged, new Predicate<DiffEntry>() {

        @Override
        public boolean apply(@Nullable DiffEntry input) {
            return input.changeType().equals(ChangeType.ADDED);
        }
    });
    Iterator<String> addedPaths = Iterators.transform(added, new Function<DiffEntry, String>() {

        @Override
        public String apply(DiffEntry input) {
            return input.newPath();
        }
    });

    workingTree().delete(addedPaths);

    return workingTree();

}

From source file:com.dangdang.ddframe.rdb.sharding.parser.visitor.or.node.AbstractOrASTNode.java

/**
 * ????.//w  ww  .  j a  v a 2 s  .  c  o  m
 * 
 * @return ???
 */
public final List<ConditionContext> getCondition() {
    return Lists.newArrayList(Iterators
            .filter(Lists.transform(nestedConditions, new Function<List<Condition>, ConditionContext>() {

                @Override
                public ConditionContext apply(final List<Condition> input) {
                    ConditionContext result = new ConditionContext();
                    for (Condition each : input) {
                        result.add(each);
                    }
                    return result;
                }
            }).iterator(), new Predicate<ConditionContext>() {
                @Override
                public boolean apply(final ConditionContext input) {
                    return !input.isEmpty();
                }
            }));
}

From source file:org.eclipse.sirius.diagram.ui.business.internal.migration.DiagramRepresentationsFileMigrationParticipantV680.java

/**
 * Removes layout constraints from compartments.
 * // w  w  w.j ava2 s .c om
 * @param diagrams
 *            list of GMF Diagram to migrate.
 */
public void migrateCompartmentsWithLayoutConstraints(List<Diagram> diagrams) {
    for (Diagram diagram : diagrams) {
        Iterator<EObject> compartmentIterator = Iterators.filter(diagram.eAllContents(),
                new IsCompartmentPredicate());
        while (compartmentIterator.hasNext()) {
            Node node = (Node) compartmentIterator.next();
            if (node.getLayoutConstraint() != null) {
                node.setLayoutConstraint(null);
            }
        }
    }
}

From source file:org.akubraproject.mem.MemConnection.java

@Override
public Iterator<URI> listBlobIds(final String filterPrefix) {
    ensureOpen();/*  w  w w  .j a  va 2  s .c  o m*/

    synchronized (blobs) {
        return Iterators.filter(new ArrayList<URI>(blobs.keySet()).iterator(), new Predicate<URI>() {
            public boolean apply(URI uri) {
                return ((filterPrefix == null) || uri.toString().startsWith(filterPrefix));
            }
        });
    }
}

From source file:co.cask.cdap.gateway.discovery.VersionFilteredServiceDiscovered.java

@Override
public Iterator<Discoverable> iterator() {
    if (version == null) {
        return delegate.iterator();
    }/*  ww w  .j a  v  a 2 s  .c om*/
    return Iterators.filter(delegate.iterator(), predicate);
}

From source file:org.eclipse.sirius.diagram.ui.business.internal.browser.DiagramEditorBrowser.java

private Iterator<IGraphicalEditPart> filterMatchingEditParts(final Predicate<IGraphicalEditPart> predicate,
        final Iterator<IGraphicalEditPart> parts) {
    final Iterator<IGraphicalEditPart> mines = Iterators.filter(parts, new Predicate<IGraphicalEditPart>() {

        public boolean apply(final IGraphicalEditPart input) {
            return predicate.apply(input);

        }/* w w w. j  a  v  a 2  s .  c o  m*/
    });
    return mines;

}

From source file:ch.ethz.inf.vs.hypermedia.client.utils.Crawler.java

protected UnmodifiableIterator<B> getFilteredIterator(Set<Object> visited, Iterator<B> iter) {
    return Iterators.filter(iter, (x) -> removeDuplicates(x, visited));
}