Example usage for com.google.common.collect Sets newHashSet

Introduction

In this page you can find the example usage for com.google.common.collect Sets newHashSet.

Prototype

public static <E> HashSet<E> newHashSet(Iterator<? extends E> elements)

Source Link

Document

Creates a mutable HashSet instance containing the given elements.

Usage

From source file:com.jcjolley.maze.Maze.java

/**
 * Creates a well formed maze.//ww  w .  j  a v  a2 s.  c om
 *
 * @param size
 * @return
 */
public static Maze create(int size) {
    if (rng == null) {
        rng = new Random();
    }

    Maze m = new Maze();
    m.entrance = new Node.Builder(Pos.create(0, 0)).entrance().build();
    Set<Pos> markedPositions = Sets.newHashSet(m.entrance.getPos());
    Node lastNode = m.entrance;
    m.size = size;

    //build the path from the entrance to the exit
    lastNode = createPath(lastNode, markedPositions, (int) (size * (size * .15)), size);

    //setup the exit
    lastNode.setExit(true);
    m.exit = lastNode;

    //randomly build branching paths throughout the maze   
    for (int i = 0; i < (int) (size / 10); i++) {
        m.getNodes().forEach(n -> {
            if (rng.nextInt(10) == 1) {
                createPath(n, markedPositions, (int) (size / 3), size);
            }
        });
    }

    //connect adjacent nodes.
    connectAdjacentNodes(m, markedPositions);

    //reject and recreate the maze if it's too small.
    if (markedPositions.size() < (size * (size * .25)) || m.getShortestPath(m.entrance, m.exit).size() < size) {
        m = Maze.create(size);
    }

    return m;
}

From source file:org.eclipse.incquery.runtime.base.api.filters.SimpleBaseIndexFilter.java

/**
 * Creates a filter using a collection of (Resource and) Notifier instances. Every containment subtree, selected by
 * the given Notifiers are filtered out.
 * /*from w w w .  j a  v  a2s .c  om*/
 * @param filterConfiguration
 */
public SimpleBaseIndexFilter(Collection<Notifier> filterConfiguration) {
    filters = Sets.newHashSet(filterConfiguration);
}

From source file:org.wikimedia.cassandra.metrics.service.InstanceCache.java

Collection<Discovery.Jvm> discover() throws IOException {
    Map<String, Discovery.Jvm> discovered = new Discovery().getJvms();
    Set<Entry<String, Discovery.Jvm>> toAdd = Sets.newHashSet(discovered.entrySet());

    toAdd.removeAll(cache.entrySet());//from   ww  w  . ja v  a  2s  .c om

    // Return only the delta.
    List<Discovery.Jvm> r = Lists.newArrayList();

    for (Entry<String, Discovery.Jvm> e : toAdd)
        r.add(e.getValue());

    return r;
}

From source file:com.siemens.sw360.commonIO.TypeMappings.java

public static <T, U> ImmutableList<T> getElementsWithIdentifiersNotInMap(Function<T, U> getIdentifier,
        Map<U, T> theMap, List<T> candidates) {
    return FluentIterable.from(candidates).filter(
            CommonUtils.afterFunction(getIdentifier).is(containedWithAddIn(Sets.newHashSet(theMap.keySet()))))
            .toList();// www. j  a  v a 2  s  .c om
}

From source file:com.tealcube.minecraft.bukkit.mythicdrops.utils.ChatColorUtil.java

public static ChatColor getRandomChatColorWithoutColors(ChatColor... colors) {
    Set<ChatColor> colors1 = Sets.newHashSet(ChatColor.values());
    for (ChatColor c : colors) {
        if (colors1.contains(c)) {
            colors1.remove(c);/*from  w w  w.j  a v  a 2  s. co  m*/
        }
    }
    return getRandomChatColorFromSet(colors1);
}

From source file:org.elasticsearch.test.rest.support.FileUtils.java

/**
 * Returns the json files found within the directory provided as argument.
 * Files are looked up in the classpath first, then outside of it if not found.
 *//*w w w . j  a v a  2  s.  c om*/
public static Set<File> findJsonSpec(String optionalPathPrefix, String path) throws FileNotFoundException {
    File dir = resolveFile(optionalPathPrefix, path, null);

    if (!dir.isDirectory()) {
        throw new FileNotFoundException("file [" + path + "] is not a directory");
    }

    File[] jsonFiles = dir.listFiles(new FileFilter() {
        @Override
        public boolean accept(File pathname) {
            return pathname.getName().endsWith(JSON_SUFFIX);
        }
    });

    if (jsonFiles == null || jsonFiles.length == 0) {
        throw new FileNotFoundException("no json files found within [" + path + "]");
    }

    return Sets.newHashSet(jsonFiles);
}

From source file:org.esupportail.publisher.domain.enums.StringListConverter.java

@Override
public Set convertToEntityAttribute(String joined) {
    return Sets.newHashSet(Arrays.asList(joined.split(",")).iterator());
}

From source file:pl.edu.icm.cermine.tools.distance.FeatureVectorEuclideanMetric.java

@Override
public double getDistance(FeatureVector vector1, FeatureVector vector2) {
    double sum = 0;
    List<String> featureNames1 = vector1.getFeatureNames();
    List<String> featureNames2 = vector2.getFeatureNames();

    if (Sets.newHashSet(featureNames1).equals(Sets.newHashSet(featureNames2))) {
        for (String feature : featureNames1) {
            sum += Math.pow(vector1.getValue(feature) - vector2.getValue(feature), 2);
        }//from w  w w  .  ja va2  s  .  c  om
    } else {
        for (int i = 0; i < vector1.size(); i++) {
            sum += Math.pow(vector1.getValue(i) - vector2.getValue(i), 2);
        }
    }

    return Math.sqrt(sum);
}

From source file:org.gradoop.flink.model.impl.operators.subgraph.functions.LabelIsIn.java

/**
 * Constructor.
 * @param labels white list of labels
 */
public LabelIsIn(String... labels) {
    this.labels = Sets.newHashSet(labels);
}

From source file:org.shaf.shell.action.AbstractAction.java

protected final boolean isProcessAvailable(final ActionContext context, final String command)
        throws ClientException {
    return Sets.newHashSet(context.getController().listProcesses().getTable().getColumn(0)).contains(command);
}