Example usage for java.util.concurrent.atomic AtomicLong get

Introduction

In this page you can find the example usage for java.util.concurrent.atomic AtomicLong get.

Prototype

public final long get() 

Source Link

Document

Returns the current value, with memory effects as specified by VarHandle#getVolatile .

Usage

From source file:net.dv8tion.jda.core.utils.PermissionUtil.java

/**
 * Retrieves the explicit permissions of the specified {@link net.dv8tion.jda.core.entities.Member Member}
 * in its hosting {@link net.dv8tion.jda.core.entities.Guild Guild} and specific {@link net.dv8tion.jda.core.entities.Channel Channel}.
 * <br>This method does not calculate the owner in.
 * <b>Allowed permissions override denied permissions of {@link net.dv8tion.jda.core.entities.PermissionOverride PermissionOverrides}!</b>
 *
 * <p>All permissions returned are explicitly granted to this Member via its {@link net.dv8tion.jda.core.entities.Role Roles}.
 * <br>Permissions like {@link net.dv8tion.jda.core.Permission#ADMINISTRATOR Permission.ADMINISTRATOR} do not
 * grant other permissions in this value.
 * <p>This factor in all {@link net.dv8tion.jda.core.entities.PermissionOverride PermissionOverrides} that affect this member
 * and only grants the ones that are explicitly given.
 *
 * @param  channel/*  w ww . j av  a2s.c  om*/
 *         The target channel of which to check {@link net.dv8tion.jda.core.entities.PermissionOverride PermissionOverrides}
 * @param  member
 *         The non-null {@link net.dv8tion.jda.core.entities.Member Member} for which to get implicit permissions
 *
 * @throws IllegalArgumentException
 *         If any of the arguments is {@code null}
 *         or the specified entities are not from the same {@link net.dv8tion.jda.core.entities.Guild Guild}
 *
 * @return Primitive (unsigned) long value with the implicit permissions of the specified member in the specified channel
 *
 * @since  3.1
 */
public static long getExplicitPermission(Channel channel, Member member) {
    Checks.notNull(channel, "Channel");
    Checks.notNull(member, "Member");

    final Guild guild = member.getGuild();
    checkGuild(channel.getGuild(), guild, "Member");

    long permission = getExplicitPermission(member);

    AtomicLong allow = new AtomicLong(0);
    AtomicLong deny = new AtomicLong(0);

    // populates allow/deny
    getExplicitOverrides(channel, member, allow, deny);

    return apply(permission, allow.get(), deny.get());
}

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From source file:ubicrypt.core.Utils.java

public static InputStream readIs(final Path path) {
    final PipedInputStream pis = new PipedInputStream();
    final AtomicLong pos = new AtomicLong(0);
    try {/*from   w  w w  .j  a  v a 2s . com*/
        final PipedOutputStream ostream = new PipedOutputStream(pis);
        final AsynchronousFileChannel channel = AsynchronousFileChannel.open(path, StandardOpenOption.READ);
        final ByteBuffer buffer = ByteBuffer.allocate(1 << 16);
        channel.read(buffer, pos.get(), buffer, new CompletionHandler<Integer, ByteBuffer>() {
            @Override
            public void completed(final Integer result, final ByteBuffer buf) {
                try {
                    if (result == -1) {
                        ostream.close();
                        return;
                    }
                    final byte[] bytes = new byte[result];
                    System.arraycopy(buf.array(), 0, bytes, 0, result);
                    ostream.write(bytes);
                    ostream.flush();
                    if (result < 1 << 16) {
                        ostream.close();
                        return;
                    }
                    pos.addAndGet(result);
                    final ByteBuffer buffer = ByteBuffer.allocate(1 << 16);
                    channel.read(buffer, pos.get(), buffer, this);
                } catch (final IOException e) {
                    Throwables.propagate(e);
                }
            }

            @Override
            public void failed(final Throwable exc, final ByteBuffer attachment) {
                log.error(exc.getMessage(), exc);
            }
        });
    } catch (final IOException e) {
        if (e instanceof NoSuchFileException) {
            throw new NotFoundException(path);
        }
        Throwables.propagate(e);
    }
    return pis;
}

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From source file:org.roda.core.common.RodaUtils.java

/**
 * @deprecated 20160907 hsilva: not seeing any method using it, so it will be
 *             removed soon/*from  ww  w .ja v a  2s .co m*/
 */
@Deprecated
public static long getPathSize(Path startPath) throws IOException {
    final AtomicLong size = new AtomicLong(0);

    Files.walkFileTree(startPath, new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            size.addAndGet(attrs.size());
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
            // Skip folders that can't be traversed
            return FileVisitResult.CONTINUE;
        }
    });

    return size.get();
}

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From source file:com.jivesoftware.os.amza.service.storage.WALStorage.java

private static void minimize(AtomicLong existing, long value) {
    long existingValue = existing.get();
    if (existingValue == -1 || value < existingValue) {
        existing.set(value);/*from   w  w  w. j a v a  2s.co  m*/
    }
}

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From source file:io.galeb.router.services.JmxReporterService.java

private long extractDelta(final AtomicLong last, final ToLongFunction<Undertow.ListenerInfo> longFunction) {
    long start = System.nanoTime();
    double localLast = last.get() * 1.0;
    double current = undertow.getListenerInfo().stream().mapToLong(longFunction).sum() * 1.0;
    long end = System.nanoTime();
    last.set((long) current);
    return Math.round((current * ((double) end / (double) start)) - localLast);
}

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From source file:io.druid.client.cache.CacheDistributionTest.java

@Test
public void testDistribution() throws Exception {
    KetamaNodeLocator locator = new KetamaNodeLocator(ImmutableList.of(dummyNode("druid-cache.0001", 11211),
            dummyNode("druid-cache.0002", 11211), dummyNode("druid-cache.0003", 11211),
            dummyNode("druid-cache.0004", 11211), dummyNode("druid-cache.0005", 11211)), hash,
            new DefaultKetamaNodeLocatorConfiguration() {
                @Override/*from  w  w w.ja va2s  .  c  o m*/
                public int getNodeRepetitions() {
                    return reps;
                }
            });

    Map<MemcachedNode, AtomicLong> counter = Maps.newHashMap();
    long t = 0;
    for (int i = 0; i < KEY_COUNT; ++i) {
        final String k = DigestUtils.sha1Hex("abc" + i) + ":" + DigestUtils.sha1Hex("xyz" + i);
        long t0 = System.nanoTime();
        MemcachedNode node = locator.getPrimary(k);
        t += System.nanoTime() - t0;
        if (counter.containsKey(node)) {
            counter.get(node).incrementAndGet();
        } else {
            counter.put(node, new AtomicLong(1));
        }
    }

    long min = Long.MAX_VALUE;
    long max = 0;
    System.out.printf("%25s\t%5d\t", hash, reps);
    for (AtomicLong count : counter.values()) {
        System.out.printf("%10d\t", count.get());
        min = Math.min(min, count.get());
        max = Math.max(max, count.get());
    }
    System.out.printf("%7.2f\t%5.0f\n", (double) min / (double) max, (double) t / KEY_COUNT);
}

---

From source file:uk.ac.susx.tag.method51.twitter.IdentityAnonymizer.java

public long getId(String screenName) {

    String hash = getHash(screenName);

    Long id = (Long) hashCache.get(hash);

    if (id == null) {
        AtomicLong tmp = new AtomicLong();
        hashCache.set(hash, tmp, screenName);
        id = tmp.get();
    }//from   w w  w.ja  va  2s  .c o m

    return id;
}

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From source file:org.apache.druid.client.cache.CacheDistributionTest.java

@Ignore
@Test/*from  ww w. j a v  a 2  s. c  o  m*/
public void testDistribution() {
    KetamaNodeLocator locator = new KetamaNodeLocator(ImmutableList.of(dummyNode("druid-cache.0001", 11211),
            dummyNode("druid-cache.0002", 11211), dummyNode("druid-cache.0003", 11211),
            dummyNode("druid-cache.0004", 11211), dummyNode("druid-cache.0005", 11211)), hash,
            new DefaultKetamaNodeLocatorConfiguration() {
                @Override
                public int getNodeRepetitions() {
                    return reps;
                }
            });

    Map<MemcachedNode, AtomicLong> counter = Maps.newHashMap();
    long t = 0;
    for (int i = 0; i < KEY_COUNT; ++i) {
        final String k = DigestUtils.sha1Hex("abc" + i) + ":" + DigestUtils.sha1Hex("xyz" + i);
        long t0 = System.nanoTime();
        MemcachedNode node = locator.getPrimary(k);
        t += System.nanoTime() - t0;
        if (counter.containsKey(node)) {
            counter.get(node).incrementAndGet();
        } else {
            counter.put(node, new AtomicLong(1));
        }
    }

    long min = Long.MAX_VALUE;
    long max = 0;
    System.out.printf(Locale.ENGLISH, "%25s\t%5d\t", hash, reps);
    for (AtomicLong count : counter.values()) {
        System.out.printf(Locale.ENGLISH, "%10d\t", count.get());
        min = Math.min(min, count.get());
        max = Math.max(max, count.get());
    }
    System.out.printf(Locale.ENGLISH, "%7.2f\t%5.0f%n", (double) min / (double) max, (double) t / KEY_COUNT);
}

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From source file:com.nesscomputing.service.discovery.job.ZookeeperProcessingTask.java

protected long determineCurrentGeneration(final AtomicLong generation, final long tick) {
    return generation.get();
}

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From source file:org.mule.module.pgp.EncryptStreamTransformer.java

/**
 * {@inheritDoc}/* w w  w  .  j av  a2s.co m*/
 */
@Override
public boolean write(OutputStream out, AtomicLong bytesRequested) throws Exception {
    int len = 0;
    byte[] buf = new byte[1 << 16];
    boolean wroteSomething = false;

    while (bytesRequested.get() + offset > bytesWrote && (len = this.toBeEncrypted.read(buf)) > 0) {
        pgpOutputStream.write(buf, 0, len);
        bytesWrote = bytesWrote + len;
        wroteSomething = true;
    }

    if (wroteSomething && len <= 0) {
        pgpOutputStream.close();
        compressedEncryptedOutputStream.close();
        encryptedOutputStream.close();
        armoredOut.close();
        toBeEncrypted.close();
        return true;
    }

    return false;
}

---

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