Example usage for java.util UUID getLeastSignificantBits

Introduction

In this page you can find the example usage for java.util UUID getLeastSignificantBits.

Prototype

public long getLeastSignificantBits()

Source Link

Document

Returns the least significant 64 bits of this UUID's 128 bit value.

Usage

From source file:org.dashbuilder.dataset.backend.BackendUUIDGenerator.java

public String uuidToBase64(String str) {
    Base64 base64 = new Base64();
    UUID uuid = UUID.fromString(str);
    ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
    bb.putLong(uuid.getMostSignificantBits());
    bb.putLong(uuid.getLeastSignificantBits());
    return base64.encodeBase64URLSafeString(bb.array());
}

From source file:com.crushpaper.UuidlIdGenerator.java

@Override
public String getAnotherId() {
    final UUID uuid = UUID.randomUUID();
    final ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
    bb.putLong(uuid.getMostSignificantBits());
    bb.putLong(uuid.getLeastSignificantBits());
    return Base64.encodeBase64URLSafeString(bb.array());
}

From source file:net.servicestack.client.Utils.java

public static byte[] toGuidBytes(UUID theUuid) {
    ByteBuffer first8 = ByteBuffer.allocate(8);
    first8.putLong(theUuid.getMostSignificantBits());
    first8.rewind();// www . java  2 s. c o m

    byte[] first4 = new byte[4];
    first8.get(first4);
    reverse(first4);

    byte[] second2 = new byte[2];
    first8.get(second2);
    reverse(second2);

    byte[] third2 = new byte[2];
    first8.get(third2);
    reverse(third2);

    ByteBuffer converted16 = ByteBuffer.allocate(16).put(first4).put(second2).put(third2);

    ByteBuffer last8 = ByteBuffer.allocate(8);
    last8.putLong(theUuid.getLeastSignificantBits());
    last8.rewind();

    converted16.put(last8);

    return converted16.array();
}

From source file:org.spout.engine.filesystem.fields.UUIDField.java

public Tag<?> getValue(String name, UUID value) {
    List<LongTag> list = new ArrayList<LongTag>();
    list.add(new LongTag("", value.getMostSignificantBits()));
    list.add(new LongTag("", value.getLeastSignificantBits()));
    return new ListTag<LongTag>(name, LongTag.class, list);
}

From source file:org.echocat.jomon.net.cluster.channel.multicast.MulticastClusterChannelIntegrationTest.java

@Nonnull
@Override// w w  w .j a  v a  2s. c  o  m
protected MulticastNode createNode(@Nonnull UUID uuid) {
    return new MulticastNode((short) uuid.getLeastSignificantBits(), uuid, new InetSocketAddress(HOST, PORT));
}

From source file:natalia.dymnikova.cluster.scheduler.impl.AkkaBackedScheduler.java

private String makeFlowName(String descriptor) {
    final UUID uuid = UUID.randomUUID();
    return format("%s%016x%016x", descriptor, uuid.getMostSignificantBits(), uuid.getLeastSignificantBits());
}

From source file:org.lilyproject.repository.impl.DFSBlobStoreAccess.java

@Override
public OutputStream getOutputStream(Blob blob) throws BlobException {
    UUID uuid = UUID.randomUUID();
    byte[] blobKey = Bytes.toBytes(uuid.getMostSignificantBits());
    blobKey = Bytes.add(blobKey, Bytes.toBytes(uuid.getLeastSignificantBits()));
    FSDataOutputStream fsDataOutputStream;
    try {/*from www.j  ava  2s. c o  m*/
        fsDataOutputStream = fileSystem.create(createPath(uuid));
    } catch (IOException e) {
        throw new BlobException("Failed to open an outputstream for blob '" + blob + "' on the DFS blobstore",
                e);
    }
    return new DFSBlobOutputStream(fsDataOutputStream, blobKey, blob);
}

From source file:org.lilyproject.repository.impl.HBaseBlobStoreAccess.java

@Override
public OutputStream getOutputStream(Blob blob) throws BlobException {
    UUID uuid = UUID.randomUUID();
    byte[] blobKey = Bytes.toBytes(uuid.getMostSignificantBits());
    blobKey = Bytes.add(blobKey, Bytes.toBytes(uuid.getLeastSignificantBits()));
    return new HBaseBlobOutputStream(table, blobKey, blob);
}

From source file:com.github.sebhoss.identifier.service.SuppliedIdentifiers.java

private String convertUuidToBase64(final UUID uuid) {
    final ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
    bb.putLong(uuid.getMostSignificantBits());
    bb.putLong(uuid.getLeastSignificantBits());
    return removePadding(encoder.encodeToString(bb.array()));
}

From source file:ro.kuberam.libs.java.crypto.CryptoModuleTests.java

@Test
public void uuid5NewTest() throws Exception {
    final String NameSpace_OID_string = "6ba7b812-9dad-11d1-80b4-00c04fd430c8";
    final UUID NameSpace_OID_uuid = UUID.fromString(NameSpace_OID_string);

    final long msb = NameSpace_OID_uuid.getMostSignificantBits();
    final long lsb = NameSpace_OID_uuid.getLeastSignificantBits();

    final byte[] NameSpace_OID_buffer = new byte[16];

    for (int i = 0; i < 8; i++) {
        NameSpace_OID_buffer[i] = (byte) (msb >>> 8 * (7 - i));
    }/*from w w w.ja v a  2 s.c o  m*/
    for (int i = 8; i < 16; i++) {
        NameSpace_OID_buffer[i] = (byte) (lsb >>> 8 * (7 - i));
    }

    final String name = "user123";
    final byte[] name_buffer = name.getBytes();

    try (final ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
        outputStream.write(NameSpace_OID_buffer);
        outputStream.write(name_buffer);

        final byte byteArray[] = outputStream.toByteArray();
        System.out.println(UUID.nameUUIDFromBytes(byteArray).toString());
    } catch (final IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}