Example usage for java.util UUID getLeastSignificantBits

List of usage examples for java.util UUID getLeastSignificantBits

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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.apache.jackrabbit.oak.run.SegmentUtils.java

private static void debugSegment(FileStore store, String[] args) {
    Pattern pattern = Pattern.compile("([0-9a-f-]+)|(([0-9a-f-]+:[0-9a-f]+)(-([0-9a-f-]+:[0-9a-f]+))?)?(/.*)?");
    for (int i = 1; i < args.length; i++) {
        Matcher matcher = pattern.matcher(args[i]);
        if (!matcher.matches()) {
            System.err.println("Unknown argument: " + args[i]);
        } else if (matcher.group(1) != null) {
            UUID uuid = UUID.fromString(matcher.group(1));
            SegmentId id = store.getTracker().getSegmentId(uuid.getMostSignificantBits(),
                    uuid.getLeastSignificantBits());
            System.out.println(id.getSegment());
        } else {/*from   w  ww  . j a v a 2s.com*/
            RecordId id1 = store.getHead().getRecordId();
            RecordId id2 = null;
            if (matcher.group(2) != null) {
                id1 = RecordId.fromString(store.getTracker(), matcher.group(3));
                if (matcher.group(4) != null) {
                    id2 = RecordId.fromString(store.getTracker(), matcher.group(5));
                }
            }
            String path = "/";
            if (matcher.group(6) != null) {
                path = matcher.group(6);
            }

            if (id2 == null) {
                NodeState node = new SegmentNodeState(id1);
                System.out.println("/ (" + id1 + ") -> " + node);
                for (String name : PathUtils.elements(path)) {
                    node = node.getChildNode(name);
                    RecordId nid = null;
                    if (node instanceof SegmentNodeState) {
                        nid = ((SegmentNodeState) node).getRecordId();
                    }
                    System.out.println("  " + name + " (" + nid + ") -> " + node);
                }
            } else {
                NodeState node1 = new SegmentNodeState(id1);
                NodeState node2 = new SegmentNodeState(id2);
                for (String name : PathUtils.elements(path)) {
                    node1 = node1.getChildNode(name);
                    node2 = node2.getChildNode(name);
                }
                System.out.println(JsopBuilder.prettyPrint(JsopDiff.diffToJsop(node1, node2)));
            }
        }
    }
}

From source file:com.easemob.dataexport.utils.ConversionUtils.java

/**
 * @param uuid/*from   w  ww  . ja v a2s . c o  m*/
 * @return
 */
public static byte[] bytes(UUID uuid) {
    if (uuid == null) {
        return null;
    }
    long msb = uuid.getMostSignificantBits();
    long lsb = uuid.getLeastSignificantBits();
    byte[] buffer = new byte[16];

    for (int i = 0; i < 8; i++) {
        buffer[i] = (byte) (msb >>> (8 * (7 - i)));
    }
    for (int i = 8; i < 16; i++) {
        buffer[i] = (byte) (lsb >>> (8 * (7 - i)));
    }

    return buffer;
}

From source file:org.apache.jackrabbit.oak.run.SegmentTarUtils.java

private static void debugSegment(FileStore store, String[] args) {
    SegmentReader reader = store.getReader();
    Pattern pattern = Pattern.compile("([0-9a-f-]+)|(([0-9a-f-]+:[0-9a-f]+)(-([0-9a-f-]+:[0-9a-f]+))?)?(/.*)?");
    for (int i = 1; i < args.length; i++) {
        Matcher matcher = pattern.matcher(args[i]);
        if (!matcher.matches()) {
            System.err.println("Unknown argument: " + args[i]);
        } else if (matcher.group(1) != null) {
            UUID uuid = UUID.fromString(matcher.group(1));
            SegmentId id = store.newSegmentId(uuid.getMostSignificantBits(), uuid.getLeastSignificantBits());
            System.out.println(id.getSegment());
        } else {/*from  w w  w. j av  a2s. c  o  m*/
            RecordId id1 = store.getRevisions().getHead();
            RecordId id2 = null;
            if (matcher.group(2) != null) {
                id1 = fromString(store, matcher.group(3));
                if (matcher.group(4) != null) {
                    id2 = fromString(store, matcher.group(5));
                }
            }
            String path = "/";
            if (matcher.group(6) != null) {
                path = matcher.group(6);
            }

            if (id2 == null) {
                NodeState node = reader.readNode(id1);
                System.out.println("/ (" + id1 + ") -> " + node);
                for (String name : PathUtils.elements(path)) {
                    node = node.getChildNode(name);
                    RecordId nid = null;
                    if (node instanceof SegmentNodeState) {
                        nid = ((SegmentNodeState) node).getRecordId();
                    }
                    System.out.println("  " + name + " (" + nid + ") -> " + node);
                }
            } else {
                NodeState node1 = reader.readNode(id1);
                NodeState node2 = reader.readNode(id2);
                for (String name : PathUtils.elements(path)) {
                    node1 = node1.getChildNode(name);
                    node2 = node2.getChildNode(name);
                }
                System.out.println(JsopBuilder.prettyPrint(JsopDiff.diffToJsop(node1, node2)));
            }
        }
    }
}

From source file:com.mber.client.MberClient.java

public static String generateTransactionId() {
    UUID uuid = UUID.randomUUID();
    long msb = uuid.getMostSignificantBits();
    long lsb = uuid.getLeastSignificantBits();
    byte[] buffer = new byte[16];
    for (int i = 0; i < 8; ++i) {
        buffer[i] = (byte) (msb >> 8 * (7 - i));
    }/*from ww w  .  ja v a 2s  .  c o  m*/
    for (int i = 8; i < 16; ++i) {
        buffer[i] = (byte) (lsb >> 8 * (7 - i));
    }
    return new String(Base64.encodeBase64(buffer));
}

From source file:uk.nhs.cfh.dsp.srth.query.transform.sql.impl.MySQLReportingQueryExecutionEngineService.java

public static byte[] asByteArray(UUID uuid) {

    long msb = uuid.getMostSignificantBits();
    long lsb = uuid.getLeastSignificantBits();
    byte[] buffer = new byte[16];

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

    return buffer;

}

From source file:org.apache.jackrabbit.oak.plugins.segment.file.TarReader.java

/**
 * Regenerates a tar file from a list of entries.
 * /*from  www. j  a v  a 2 s.  co  m*/
 * @param entries
 * @param file
 * @throws IOException
 */
private static void generateTarFile(LinkedHashMap<UUID, byte[]> entries, File file) throws IOException {
    log.info("Regenerating tar file " + file);
    TarWriter writer = new TarWriter(file);
    for (Map.Entry<UUID, byte[]> entry : entries.entrySet()) {
        UUID uuid = entry.getKey();
        byte[] data = entry.getValue();
        writer.writeEntry(uuid.getMostSignificantBits(), uuid.getLeastSignificantBits(), data, 0, data.length);
    }
    writer.close();
}

From source file:org.apache.jackrabbit.oak.segment.file.TarReader.java

private static Map<UUID, List<UUID>> parseGraph(ByteBuffer graphByteBuffer, boolean bulkOnly) {
    int count = graphByteBuffer.getInt(graphByteBuffer.limit() - 12);

    ByteBuffer buffer = graphByteBuffer.duplicate();
    buffer.limit(graphByteBuffer.limit() - 16);

    List<UUID> uuids = newArrayListWithCapacity(count);
    for (int i = 0; i < count; i++) {
        uuids.add(new UUID(buffer.getLong(), buffer.getLong()));
    }/*from ww  w. j a  v a 2 s.com*/

    Map<UUID, List<UUID>> graph = newHashMap();
    while (buffer.hasRemaining()) {
        UUID uuid = uuids.get(buffer.getInt());
        List<UUID> list = newArrayList();
        int refid = buffer.getInt();
        while (refid != -1) {
            UUID ref = uuids.get(refid);
            if (!bulkOnly || !isDataSegmentId(ref.getLeastSignificantBits())) {
                list.add(ref);
            }
            refid = buffer.getInt();
        }
        graph.put(uuid, list);
    }
    return graph;
}

From source file:org.primeframework.mvc.parameter.convert.converters.UUIDConverter.java

protected String objectToString(Object value, Type convertFrom, Map<String, String> attributes,
        String expression) throws ConversionException, ConverterStateException {
    UUID uuid = (UUID) value;
    if (uuid.getMostSignificantBits() == 0) {
        return Long.toString(uuid.getLeastSignificantBits());
    }//w  w  w . ja  v  a  2 s .c om
    return value.toString();
}

From source file:org.apache.jackrabbit.oak.segment.file.TarReader.java

/**
 * Regenerates a tar file from a list of entries.
 * //w w  w  .j a  v  a2s .  c  o m
 * @param entries
 * @param file
 * @throws IOException
 */
private static void generateTarFile(LinkedHashMap<UUID, byte[]> entries, File file) throws IOException {
    log.info("Regenerating tar file {}", file);
    TarWriter writer = new TarWriter(file);
    for (Map.Entry<UUID, byte[]> entry : entries.entrySet()) {
        UUID uuid = entry.getKey();
        byte[] data = entry.getValue();
        int generation = getGcGeneration(wrap(data), uuid);
        writer.writeEntry(uuid.getMostSignificantBits(), uuid.getLeastSignificantBits(), data, 0, data.length,
                generation);
    }
    writer.close();
}

From source file:org.dashbuilder.dataset.UUIDGeneratorImpl.java

public String uuidToBase64(String str) {
    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());
}