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

Introduction

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

Prototype

public static int size(Iterable<?> iterable)

Source Link

Document

Returns the number of elements in iterable .

Usage

From source file:org.apache.giraph.utils.EdgeIterables.java

/**
 * Make a deep copy of an edge iterable and return it as an {@link
 * ArrayList}./*from w w w  . ja v  a 2  s  .co  m*/
 * Note: this method is slow since it has to deserialize all serialize all
 * the ids and values. It should only be used in unit tests.
 *
 * @param edges Iterable of edges
 * @param <I> Vertex id
 * @param <E> Edge value
 * @return A new list with copies of all the edges
 */
public static <I extends WritableComparable, E extends WritableComparable> ArrayList<Edge<I, E>> copy(
        Iterable<Edge<I, E>> edges) {
    Configuration conf = new Configuration();
    ArrayList<Edge<I, E>> edgeList = new ArrayList<Edge<I, E>>(Iterables.size(edges));
    for (Edge<I, E> edge : edges) {
        edgeList.add(EdgeFactory.create(WritableUtils.clone(edge.getTargetVertexId(), conf),
                WritableUtils.clone(edge.getValue(), conf)));
    }
    return edgeList;
}

From source file:org.apache.cassandra.db.lifecycle.Helpers.java

/**
 * update the contents of an "identity map" with the provided sets, ensuring that the items to remove are
 * really present, and that the items to add are not (unless we're also removing them)
 * @return a new identity map with the contents of the provided one modified
 *//*from  ww w  .  java  2s .c  o m*/
static <T> Map<T, T> replace(Map<T, T> original, Set<T> remove, Iterable<T> add) {
    // ensure the ones being removed are the exact same ones present
    for (T reader : remove)
        assert original.get(reader) == reader;

    // ensure we don't already contain any we're adding, that we aren't also removing
    assert !any(add, and(not(in(remove)), in(original.keySet()))) : String
            .format("original:%s remove:%s add:%s", original.keySet(), remove, add);

    Map<T, T> result = identityMap(concat(add, filter(original.keySet(), not(in(remove)))));

    assert result.size() == original.size() - remove.size() + Iterables.size(add) : String.format(
            "Expecting new size of %d, got %d while replacing %s by %s in %s",
            original.size() - remove.size() + Iterables.size(add), result.size(), remove, add,
            original.keySet());
    return result;
}

From source file:msi.gama.core.web.editor.GamlEditorState.java

public GamlEditorState(final ValidationContext status, final Iterable<? extends IDescription> descriptions) {

    if (status != null) {
        hasImportedErrors = status.hasImportedErrors();
        importedErrors = hasImportedErrors ? status.getImportedErrorsAsStrings() : Collections.EMPTY_MAP;
        hasInternalErrors = status.hasInternalErrors() || status.hasInternalSyntaxErrors();
        hasNullStatus = false;//from   w  w w . j  ava  2  s. com
    } else {
        hasNullStatus = true;
        importedErrors = Collections.EMPTY_MAP;
    }
    final int n = Iterables.size(descriptions);
    if (n > 0) {
        hasExperiments = true;
        experiments = new ArrayList<>(n);
        abbreviations = new ArrayList<>(n);
        types = new ArrayList<>(n);
        for (final IDescription ep : descriptions) {
            final String name = ep.getName();
            experiments.add(name);
            abbreviations.add(name.replaceFirst("Experiment ", ""));
            types.add(((ExperimentDescription) ep).isBatch());
        }
    } else {
        experiments = Collections.EMPTY_LIST;
        abbreviations = Collections.EMPTY_LIST;
        types = Collections.EMPTY_LIST;
    }
}

From source file:org.eclipse.sirius.diagram.ui.internal.edit.parts.SiriusNoteEditPart.java

/**
 * Redirect the direct edit request to the
 * {@link DescriptionCompartmentEditPart}.
 * /*from w w w .  j  a  v a  2 s . c o  m*/
 * @param request
 *            the direct edit request
 */
@Override
protected void performDirectEditRequest(Request request) {
    Iterable<DescriptionCompartmentEditPart> descriptionCompartmentEditPartsfilter = Iterables
            .filter(this.getChildren(), DescriptionCompartmentEditPart.class);
    if (Iterables.size(descriptionCompartmentEditPartsfilter) == 1) {
        DescriptionCompartmentEditPart descriptionCompartmentEditPart = Iterables
                .getOnlyElement(descriptionCompartmentEditPartsfilter);
        descriptionCompartmentEditPart.performRequest(request);
    }
}

From source file:org.nmdp.ngs.range.tree.AbstractRangeTree.java

@Override
public int count(final Range<C> query) {
    return Iterables.size(intersect(query));
}

From source file:org.opendaylight.yangtools.yang.data.impl.schema.transform.base.parser.LeafNodeBaseParser.java

@SuppressWarnings("unchecked")
@Override//from w w w.  j av  a  2s. c o  m
public final LeafNode<?> parse(final Iterable<E> elements, final LeafSchemaNode schema) {
    final int size = Iterables.size(elements);
    Preconditions.checkArgument(size == 1, "Elements mapped to leaf node illegal count: %s", size);

    final E e = elements.iterator().next();
    Object value = parseLeaf(e, schema);

    NormalizedNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, Object, LeafNode<Object>> leafBuilder = Builders
            .leafBuilder(schema);

    leafBuilder.withAttributes(getAttributes(e));

    @SuppressWarnings("rawtypes")
    final BuildingStrategy rawBuildingStrat = buildingStrategy;
    final LeafNode<?> sample = (LeafNode<?>) rawBuildingStrat.build(leafBuilder.withValue(value));
    return sample == null ? null : LeafInterner.forSchema(schema).intern(sample);
}

From source file:playground.michalm.taxi.data.TaxiRequests.java

public static int countRequestsWithStatus(Iterable<TaxiRequest> requests, TaxiRequestStatus status) {
    return Iterables.size(Iterables.filter(requests, new TaxiRequestStatusPredicate(status)));
}

From source file:org.jclouds.cloudsigma.functions.SplitNewlinesAndReturnSecondField.java

@Override
public Set<String> apply(HttpResponse response) {
    return ImmutableSet
            .copyOf(Iterables.filter(Iterables.transform(super.apply(response), new Function<String, String>() {

                @Override/* w w w . j  a  v  a 2  s .  co  m*/
                public String apply(String arg0) {
                    if (arg0 == null)
                        return null;
                    Iterable<String> parts = Splitter.on(' ').split(arg0);
                    if (Iterables.size(parts) == 2)
                        return Iterables.get(parts, 1);
                    else if (Iterables.size(parts) == 1)
                        return Iterables.get(parts, 0);
                    return null;
                }

            }), Predicates.notNull()));
}

From source file:org.onos.yangtools.yang.data.impl.schema.transform.base.parser.LeafSetEntryNodeBaseParser.java

@SuppressWarnings("unchecked")
@Override//from ww  w. ja  va2s. co m
public final LeafSetEntryNode<?> parse(Iterable<E> elements, LeafListSchemaNode schema) {
    final int size = Iterables.size(elements);
    Preconditions.checkArgument(size == 1, "Xml elements mapped to leaf node illegal count: %s", size);

    final E e = elements.iterator().next();
    Object value = parseLeafListEntry(e, schema);

    NormalizedNodeAttrBuilder<YangInstanceIdentifier.NodeWithValue, Object, LeafSetEntryNode<Object>> leafEntryBuilder = Builders
            .leafSetEntryBuilder(schema);
    leafEntryBuilder.withAttributes(getAttributes(e));
    leafEntryBuilder.withValue(value);

    final BuildingStrategy rawBuildingStrat = buildingStrategy;
    return (LeafSetEntryNode<?>) rawBuildingStrat.build(leafEntryBuilder);
}

From source file:org.jclouds.scriptbuilder.domain.CreateFile.java

public CreateFile(String path, Iterable<String> lines, String marker) {
    this.path = checkNotNull(path, "path");
    this.lines = checkNotNull(lines, "lines");
    this.marker = checkNotNull(marker, "marker");
    checkState(Iterables.size(lines) > 0, "you must pass something to execute");
}