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()

Source Link

Document

Creates a mutable, initially empty HashSet instance.

Usage

From source file:org.apache.mahout.fpm.pfpgrowth.dataset.KeyBasedStringTupleCombiner.java

@Override
protected void reduce(Text key, Iterable<StringTuple> values, Context context)
        throws IOException, InterruptedException {
    Set<String> outputValues = Sets.newHashSet();
    for (StringTuple value : values) {
        outputValues.addAll(value.getEntries());
    }/*w ww.j av  a2 s.  c o m*/
    context.write(key, new StringTuple(outputValues));
}

From source file:com.skcraft.launcher.creator.controller.task.DirectoryWalker.java

@Override
public List<File> call() throws IOException {
    if (!dir.isDirectory()) {
        throw new IllegalArgumentException(dir.getAbsolutePath() + " is not a directory");
    }//  w ww .jav  a  2 s  . co m

    List<File> matched = Lists.newArrayList();
    Set<String> seen = Sets.newHashSet();

    Queue<File> queue = new LinkedList<>();
    queue.add(dir);

    File cur;
    while ((cur = queue.poll()) != null) {
        String canonical = cur.getCanonicalPath();
        if (!seen.contains(canonical) && MorePaths.isSubDirectory(dir, cur)) {
            File[] files = cur.listFiles();

            if (files != null) {
                for (File file : files) {
                    if (recursive && file.isDirectory()) {
                        queue.add(file);
                    }

                    if (fileFilter.accept(file)) {
                        matched.add(file);
                    }
                }
            }
        }

    }

    return matched;
}

From source file:org.eclipse.viatra.query.runtime.registry.impl.RegistryChangeMultiplexer.java

/**
 * Creates a new instance of the multiplexer.
 */
public RegistryChangeMultiplexer() {
    this.listeners = Sets.newHashSet();
}

From source file:org.onosproject.ovsdb.rfc.schema.type.RealBaseType.java

/**
 * Constructs a RealBaseType object./* ww w.j a v a2s.  c  o  m*/
 */
public RealBaseType() {
    this.min = Double.MIN_VALUE;
    this.max = Double.MAX_VALUE;
    this.enums = Sets.newHashSet();
}

From source file:org.eclipse.viatra.query.patternlanguage.emf.types.judgements.TypeJudgement.java

@Override
public Set<Expression> getDependingExpressions() {
    return Sets.newHashSet();
}

From source file:com.palantir.atlasdb.keyvalue.rocksdb.impl.TimestampRangeIterator.java

@Override
protected Set<Long> processCell(Pair<Cell, Long> cellAndInitialTs) {
    Cell cell = cellAndInitialTs.lhSide;
    Set<Long> ret = Sets.newHashSet();
    if (cellAndInitialTs.rhSide < maxTimestamp) {
        ret.add(cellAndInitialTs.rhSide);
    }/*from   www. j av  a  2s  .  co m*/
    for (it.next(); it.isValid(); it.next()) {
        Pair<Cell, Long> cellAndTs = RocksDbKeyValueServices.parseCellAndTs(it.key());
        if (!cellAndTs.lhSide.equals(cell)) {
            break;
        }
        if (cellAndTs.rhSide < maxTimestamp) {
            ret.add(cellAndTs.rhSide);
        }
    }
    return ret.isEmpty() ? null : ret;
}

From source file:org.onosproject.ovsdb.rfc.schema.type.IntegerBaseType.java

/**
 * Constructs a IntegerBaseType object.//from   w  w  w.j  av  a  2s . co  m
 */
public IntegerBaseType() {
    this.min = Integer.MIN_VALUE;
    this.max = Integer.MAX_VALUE;
    this.enums = Sets.newHashSet();
}

From source file:eu.project.ttc.utils.TermIndexUtils.java

public static Set<TermVariation> selectTermVariations(TermIndex termIndex, VariationType... types) {
    Set<TermVariation> selected = Sets.newHashSet();
    for (TermVariation tv : getVariations(termIndex))
        for (VariationType type : types)
            if (tv.getVariationType() == type)
                selected.add(tv);//w  w  w. j a v a  2  s .c o m
    return selected;
}

From source file:com.textocat.textokit.morph.dictionary.MorphDictionaryAPIFactory.java

private static synchronized void initialize() {
    if (defaultApi != null) {
        return;//from   w  w w.ja  v  a 2 s .  c o  m
    }
    log.info("Searching for MorphDictionaryAPI implementations...");
    Set<String> implClassNames = Sets.newHashSet();
    PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
    try {
        for (Resource implDeclRes : resolver
                .getResources("classpath*:META-INF/uima-ext/morph-dictionary-impl.txt")) {
            InputStream is = implDeclRes.getInputStream();
            try {
                String implClassName = IOUtils.toString(is, "UTF-8").trim();
                if (!implClassNames.add(implClassName)) {
                    throw new IllegalStateException(
                            String.format(
                                    "The classpath contains duplicate declaration of implementation '%s'. "
                                            + "Last one has been read from %s.",
                                    implClassName, implDeclRes.getURL()));
                }
            } finally {
                IOUtils.closeQuietly(is);
            }
        }
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }
    if (implClassNames.isEmpty()) {
        throw new IllegalStateException(String.format("Can't find an implementation of MorphDictionaryAPI"));
    }
    if (implClassNames.size() > 1) {
        throw new IllegalStateException(String.format("More than one implementations have been found:\n%s\n"
                + "Adjust the app classpath or get an implementation by ID.", implClassNames));
    }
    String implClassName = implClassNames.iterator().next();
    log.info("Found MorphDictionaryAPI implementation: {}", implClassName);
    try {
        @SuppressWarnings("unchecked")
        Class<? extends MorphDictionaryAPI> implClass = (Class<? extends MorphDictionaryAPI>) Class
                .forName(implClassName);
        defaultApi = implClass.newInstance();
    } catch (Exception e) {
        throw new IllegalStateException("Can't instantiate the MorphDictionaryAPI implementation", e);
    }
}