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.sitemap4j.sitemapindex.AbstractSiteMapIndex.java

@Override
public boolean equals(final Object object) {
    if (object == this) {
        return true;
    } else if (object == null) {
        return false;
    } else if (!(object instanceof SiteMapIndex)) {
        return false;
    }/*from   www  .  ja  v a 2  s .co m*/

    final SiteMapIndex that = (SiteMapIndex) object;

    if (Iterables.size(that) != Iterables.size(this)) {
        return false;
    }

    for (int i = 0; i < Iterables.size(this); i++) {
        if (!Iterables.get(this, i).equals(Iterables.get(that, i))) {
            return false;
        }
    }

    return true;
}

From source file:org.eclipse.elk.tree.TreeUtil.java

/**
 * This method returns the leftmost node at the given level. This is implemented using a
 * postorder walk of the subtree under given level, depth levels down. Depth here refers to the
 * level below where the leftmost descendant is being found.
 * //from w w w.j  a  v  a  2s .  c om
 * If given level is negative it returns the leftmost node at the deepest level.
 * 
 * @param currentlevel
 *            a list of nodes at level one
 * @param depth
 *            the depth to search for
 * @return the leftmost descendant at depth levels down
 */
public static TNode getLeftMost(final Iterable<TNode> currentlevel, final int depth) {
    if (0 < Iterables.size(currentlevel)) {
        int d = depth;

        // the leftmost descendant at depth levels down
        if (1 < d) {
            d--;
            // build empty iterator
            Iterable<TNode> nextLevel = new Iterable<TNode>() {

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

            for (TNode cN : currentlevel) {
                // append the children of the current node to the next level
                nextLevel = Iterables.concat(nextLevel, cN.getChildren());
            }
            return getLeftMost(nextLevel, d);
        }

        // the leftmost node at the deepest level
        if (d < 0) {
            // build empty iterator
            Iterable<TNode> nextLevel = new Iterable<TNode>() {

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

            for (TNode cN : currentlevel) {
                // append the children of the current node to the next level
                nextLevel = Iterables.concat(nextLevel, cN.getChildren());
            }

            //
            if (0 < Iterables.size(nextLevel)) {
                return getLeftMost(nextLevel, d);
            }
        }
    }
    // return the leftmost node at the current level
    return Iterables.getFirst(currentlevel, null);
}

From source file:org.jclouds.functions.OnlyElementOrNull.java

@Override
public T apply(Iterable<T> arg0) {
    if (arg0 == null || Iterables.size(arg0) == 0)
        return null;
    return Iterables.getOnlyElement(arg0);
}

From source file:com.google.security.zynamics.binnavi.disassembly.views.CViewFilter.java

/**
 * Returns the number of views of type CALLGRAPH.
 * /*from ww w .  ja va 2  s .  c  o m*/
 * @param views The list of views.
 * @return The number of views of type CALLGRAPH:
 */
public static int getCallgraphViewCount(final List<INaviView> views) {
    return Iterables.size(getViewsByType(views, GraphType.CALLGRAPH));
}

From source file:org.jclouds.joyent.cloudapi.v6_5.domain.datacenterscoped.DatacenterAndName.java

public static DatacenterAndName fromSlashEncoded(String name) {
    Iterable<String> parts = Splitter.on('/').split(checkNotNull(name, "name"));
    checkArgument(Iterables.size(parts) == 2, "name must be in format datacenterId/name");
    return new DatacenterAndName(Iterables.get(parts, 0), Iterables.get(parts, 1));
}

From source file:org.apache.metron.dataloads.nonbulk.taxii.TableInfo.java

public TableInfo(String s) {
    Iterable<String> i = Splitter.on(":").split(s);
    if (Iterables.size(i) != 2) {
        throw new IllegalStateException("Malformed table:cf => " + s);
    }//from  w  ww  .  ja  va  2  s.c  om
    tableName = Iterables.getFirst(i, null);
    columnFamily = Iterables.getLast(i);
}

From source file:com.facebook.buck.core.model.actiongraph.ActionGraph.java

public int getSize() {
    return Iterables.size(nodes);
}

From source file:com.freiheit.fuava.simplebatch.fetch.PageFetchingSettings.java

default boolean hasNext(final int from, final int amount, final Result<PagingInput, T> lastValue) {
    if (lastValue == null || !lastValue.isSuccess()) {
        return false;
    }/*from  w  w  w  .j  a  va 2s.c  om*/
    final Object output = lastValue.getOutput();
    if (output instanceof Iterable) {
        return Iterables.size((Iterable) output) >= amount;
    }
    throw new UnsupportedOperationException(
            "cannot calculate paging for " + output + " - please provide your own implementation");

}

From source file:org.janusgraph.util.datastructures.IterablesUtil.java

public static final int size(Iterable i) {
    if (i instanceof Collection)
        return ((Collection) i).size();
    else//from  www  .  j a  v  a 2  s .  c om
        return Iterables.size(i);
}

From source file:org.apache.fluo.command.FluoWait.java

private static long countNotifications(Environment env) {
    Scanner scanner;/* www.j ava 2  s.  c  o  m*/
    try {
        scanner = env.getConnector().createScanner(env.getTable(), env.getAuthorizations());
    } catch (TableNotFoundException e) {
        log.error("An exception was thrown -", e);
        throw new FluoException(e);
    }

    Notification.configureScanner(scanner);

    return Iterables.size(scanner);
}