Example usage for com.google.common.collect ImmutableSet builder

Introduction

In this page you can find the example usage for com.google.common.collect ImmutableSet builder.

Prototype

public static <E> Builder<E> builder()

Source Link

Usage

From source file:com.lambdautils.util.stream.MoreCollectors.java

static <T> Collector<T, ImmutableSet.Builder<T>, ImmutableSet<T>> toImmutableSet() {
    return Collector.of(ImmutableSet.Builder::new, ImmutableSet.Builder::add, (l, r) -> l.addAll(r.build()),
            ImmutableSet.Builder<T>::build);
}

From source file:co.cask.cdap.common.lang.FilterClassLoader.java

public static FilterClassLoader create(ProgramType programType, ClassLoader parentClassLoader) {
    Set<String> visibleResources = ProgramResources.getVisibleResources(programType);
    ImmutableSet.Builder<String> visiblePackages = ImmutableSet.builder();
    for (String resource : visibleResources) {
        if (resource.endsWith(".class")) {
            int idx = resource.lastIndexOf('/');
            // Ignore empty package
            if (idx > 0) {
                visiblePackages.add(resource.substring(0, idx));
            }//from   www.ja  v  a 2  s.  co m
        }
    }
    return new FilterClassLoader(Predicates.in(visibleResources), Predicates.in(visiblePackages.build()),
            parentClassLoader);
}

From source file:org.apache.james.util.streams.ImmutableCollectors.java

public static <T> Collector<T, ImmutableSet.Builder<T>, ImmutableSet<T>> toImmutableSet() {
    return Collector.of(ImmutableSet::builder, ImmutableSet.Builder::add, (left, right) -> {
        left.addAll(right.build());//from  ww w . j a va2 s.  co  m
        return left;
    }, ImmutableSet.Builder::build);
}

From source file:org.prebake.fs.FilePerms.java

/**
 * @param permBits POSIX style permission bits where bits 6-8 are RWX
 *     respectively for the owner, bits 3-5 are RWX respectively for all users
 *     in the group, and bits 0-2 are RWX respectively for all other users.
 * @return the file permissions corresponding to permBits.
 *///from  www. j  a va 2s  .c  o m
public static @Nonnull Set<PosixFilePermission> permSet(int permBits, boolean isDirectory) {
    if (isDirectory) {
        // Set the executable bit for any of the UGO blocks that have the read
        // or write bits set.
        int fromRead = (permBits >>> 2) & 0111;
        int fromWrite = (permBits >>> 1) & 0111;
        permBits |= fromRead | fromWrite;
    }
    permBits &= 0777;
    ImmutableSet.Builder<PosixFilePermission> posixs = ImmutableSet.builder();
    for (int k = 0; permBits != 0; ++k, permBits >>>= 1) {
        if ((permBits & 1) != 0) {
            posixs.add(POSIX_PERMS[k]);
        }
    }
    return posixs.build();
}

From source file:com.stackframe.sarariman.DirectorySynchronizerImpl.java

private Set<Integer> getEmployeeIDs(DataSource dataSource) throws SQLException {
    Connection connection = dataSource.getConnection();
    try {//from ww  w .j  a va2 s  .  c  om
        PreparedStatement ps = connection.prepareStatement("SELECT id FROM employee");
        try {
            ResultSet rs = ps.executeQuery();
            ImmutableSet.Builder<Integer> setBuilder = ImmutableSet.builder();
            while (rs.next()) {
                setBuilder.add(rs.getInt("id"));
            }

            return setBuilder.build();
        } finally {
            ps.close();
        }
    } finally {
        connection.close();
    }
}

From source file:com.facebook.presto.sql.planner.SubExpressionExtractor.java

public static Set<Expression> extract(Expression expression) {
    final ImmutableSet.Builder<Expression> builder = ImmutableSet.builder();
    extract(builder, expression);//from  w w w .  j  a  v a  2 s.c o m
    return builder.build();
}

From source file:org.b1.pack.standard.writer.CompressedFormatDetector.java

private static ImmutableSet<String> loadExtensions() {
    try {//from   www.  j  av  a2s.  co  m
        ImmutableSet.Builder<String> builder = ImmutableSet.builder();
        Enumeration<URL> resources = getResources("org/b1/pack/standard/writer/compressedFormats.txt");
        while (resources.hasMoreElements()) {
            readResource(resources.nextElement(), builder);
        }
        return builder.build();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:org.cyclop.common.Gullectors.java

public static <T> Collector<T, ?, ImmutableSet<T>> toImmutableSet() {
    Supplier<ImmutableSet.Builder<T>> supplier = ImmutableSet.Builder::new;
    BiConsumer<ImmutableSet.Builder<T>, T> accumulator = (b, v) -> b.add(v);
    BinaryOperator<ImmutableSet.Builder<T>> combiner = (l, r) -> l.addAll(r.build());
    Function<ImmutableSet.Builder<T>, ImmutableSet<T>> finisher = ImmutableSet.Builder::build;

    return Collector.of(supplier, accumulator, combiner, finisher);
}

From source file:com.spotify.heroic.common.Groups.java

public static Groups combine(final Groups first, final Groups... other) {
    final ImmutableSet.Builder<String> all = ImmutableSet.<String>builder().addAll(first.groups);
    Arrays.stream(other).forEach(all::addAll);
    return new Groups(all.build());
}

From source file:com.facebook.buck.cxx.AbstractCxxIncludePaths.java

/**
 * Merge all the given {@link CxxIncludePaths}.
 *
 * Combinines their path lists, deduping them (keeping the earlier of the repeated instance).
 *///from   ww  w  .  j a v a  2 s .co  m
public static CxxIncludePaths concat(Iterator<CxxIncludePaths> itemIter) {
    ImmutableSet.Builder<CxxHeaders> ipathBuilder = ImmutableSet.<CxxHeaders>builder();
    ImmutableSet.Builder<FrameworkPath> fpathBuilder = ImmutableSet.<FrameworkPath>builder();

    while (itemIter.hasNext()) {
        CxxIncludePaths item = itemIter.next();
        ipathBuilder.addAll(item.getIPaths());
        fpathBuilder.addAll(item.getFPaths());
    }

    return CxxIncludePaths.of(ipathBuilder.build(), fpathBuilder.build());
}