Example usage for com.google.common.collect Iterables concat

Introduction

In this page you can find the example usage for com.google.common.collect Iterables concat.

Prototype

public static <T> Iterable<T> concat(Iterable<? extends T> a, Iterable<? extends T> b)

Source Link

Document

Combines two iterables into a single iterable.

Usage

From source file:org.dslforge.xtext.common.scoping.BasicTextMultimapBasedScope.java

/**
 * Workaround! List of uris, take the last segment which is the name of the file,
 * concatenate with name and select concatenations which are equals to name
 *///from  w  w  w.  j  a va2 s.  com
@Override
protected Iterable<IEObjectDescription> getLocalElementsByName(QualifiedName name) {
    Iterable<IEObjectDescription> objectDescriptions = Collections.emptyList();
    String[] segments = (String[]) name.getSegments().toArray();
    List<String> asList = Arrays.asList(segments);
    List<String> modifiableList = Lists.newArrayList();
    modifiableList.addAll(asList);

    for (URI uri : availableResourceURs) {
        String fileName = uri.lastSegment();
        String root = fileName.substring(0, fileName.indexOf("."));
        if (root != null) {
            modifiableList.add(0, root);
        }
        QualifiedName query = QualifiedName.create(modifiableList);
        if (isIgnoreCase()) {
            query = name.toLowerCase();
        }
        if (elements.containsKey(query)) {
            Collection<IEObjectDescription> result = elements.get(query);
            objectDescriptions = Iterables.concat(objectDescriptions, result);
        }
    }
    objectDescriptions = getDefaultLocalElementsByName(name);
    objectDescriptions = Iterables.concat(objectDescriptions, super.getLocalElementsByName(name));
    return objectDescriptions;
}

From source file:org.apache.cassandra.schema.KeyspaceMetadata.java

public Iterable<CFMetaData> tablesAndViews() {
    return Iterables.concat(tables, views.metadatas());
}

From source file:org.summer.dsl.model.ui.notification.LayeredTypeResourceDescription.java

public Iterable<IEObjectDescription> getExportedObjectsByObject(final EObject object) {
    final URI uri = EcoreUtil2.getPlatformResourceOrNormalizedURI(object);
    Iterable<IEObjectDescription> additionallyFiltered = Iterables.filter(getExportedObjects(),
            new Predicate<IEObjectDescription>() {
                public boolean apply(IEObjectDescription input) {
                    if (input.getEObjectOrProxy() == object)
                        return true;
                    if (uri.equals(input.getEObjectURI())) {
                        return true;
                    }/*from w  w w  .  j a va2s.c o  m*/
                    return false;
                }
            });
    return Iterables.concat(delegate.getExportedObjectsByObject(object), additionallyFiltered);
}

From source file:org.eclipse.elk.alg.mrtree.intermediate.LevelHeightProcessor.java

/**
 * Set the height property for each node in the current level and for their children. The height
 * is the height of the tallest node in the level.
 * /* ww w  .  ja  v a  2s  .  c om*/
 * @param currentLevel
 *            the list of TNode at the same level, for which the neighbors and siblings should
 *            be determined
 * @param progressMonitor
 *            the current progress monitor
 */
private void setNeighbors(final Iterable<TNode> currentLevel, final IElkProgressMonitor progressMonitor) {
    /** only do something in filled levels */
    if (!Iterables.isEmpty(currentLevel)) {
        /** create subtask for recursive descent */
        IElkProgressMonitor sT = progressMonitor.subTask(Iterables.size(currentLevel) / numberOfNodes);

        sT.begin("Set neighbors in level", 1f);

        /** build empty iterator */
        Iterable<TNode> nextLevel = new Iterable<TNode>() {

            public Iterator<TNode> iterator() {
                return Iterators.emptyIterator();
            }
        };

        double height = 0d;

        for (TNode cN : currentLevel) {
            /** append the children of the current node to the next level */
            nextLevel = Iterables.concat(nextLevel, cN.getChildren());
            /** check if the node is the tallest node so far */
            if (height < cN.getSize().y) {
                height = cN.getSize().y;
            }
        }
        for (TNode cN : currentLevel) {
            /** set the level height for the node */
            cN.setProperty(InternalProperties.LEVELHEIGHT, height);
        }

        /** add amount of work units to the whole task */
        sT.done();

        /** determine neighbors by bfs and for the whole graph */
        setNeighbors(nextLevel, progressMonitor);
    }

}

From source file:org.richfaces.cdk.resource.writer.impl.ResourceWriterImpl.java

public ResourceWriterImpl(File resourceContentsDir, Iterable<ResourceProcessor> resourceProcessors, Log log,
        Set<ResourceKey> resourcesWithKnownOrder) {
    this.resourceContentsDir = resourceContentsDir;
    this.resourceProcessors = Iterables.concat(resourceProcessors,
            Collections.singleton(ThroughputResourceProcessor.INSTANCE));
    this.log = log;
    this.resourcesWithKnownOrder = resourcesWithKnownOrder;

    resourceContentsDir.mkdirs();/*  www.  j ava  2  s  . co m*/

    currentTime = System.currentTimeMillis();
}