Example usage for java.util UUID getMostSignificantBits

Introduction

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

Prototype

public long getMostSignificantBits() 

Source Link

Document

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

Usage

From source file:org.texai.util.ByteUtils.java

/** Returns the array of bytes resulting from a new UUID.
 *
 * @return the array of bytes resulting from a new UUID
 *//*from  w  w w. jav  a2 s .  com*/
public static byte[] makeUUIDBytes() {
    final UUID uuid = UUID.randomUUID();
    return append(toBytes(uuid.getMostSignificantBits()), toBytes(uuid.getLeastSignificantBits()));
}

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From source file:org.texai.util.ByteUtils.java

/** Returns the 16-byte array from the given UUID.
 *
 * @param uuid the given UUID//from  w ww.  j ava  2  s  .c  om
 * @return the 16-byte array from the given UUID
 */
public static byte[] toBytes(final UUID uuid) {
    //Preconditions
    assert uuid != null : "uuid must not be null";

    return append(toBytes(uuid.getMostSignificantBits()), toBytes(uuid.getLeastSignificantBits()));
}

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From source file:org.openecomp.core.utilities.CommonMethods.java

/**
 * Gets an universally unique identifier (UUID).
 *
 * @return String representation of generated UUID.
 *//*from  w  w  w  . j a va2  s.c  o  m*/
public static String nextUuId() {
    UUID uuid = UUID.randomUUID();

    StringBuilder buff = new StringBuilder(32);
    long2string(uuid.getMostSignificantBits(), buff);
    long2string(uuid.getLeastSignificantBits(), buff);

    return buff.toString();
}

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From source file:com.github.nlloyd.hornofmongo.util.BSONizer.java

@SuppressWarnings("deprecation")
public static Object convertBSONtoJS(MongoScope mongoScope, Object bsonObject) {
    Object jsObject = null;//  w  w  w . j  ava  2 s  .c  o  m
    if (bsonObject instanceof List<?>) {
        List<?> bsonList = (List<?>) bsonObject;
        Scriptable jsArray = (Scriptable) MongoRuntime.call(new NewInstanceAction(mongoScope, bsonList.size()));

        int index = 0;
        for (Object bsonEntry : bsonList) {
            ScriptableObject.putProperty(jsArray, index, convertBSONtoJS(mongoScope, bsonEntry));
            index++;
        }

        jsObject = jsArray;
    } else if (bsonObject instanceof BSONObject) {
        Scriptable jsObj = (Scriptable) MongoRuntime.call(new NewInstanceAction(mongoScope));
        BSONObject bsonObj = (BSONObject) bsonObject;

        for (String key : bsonObj.keySet()) {
            Object value = convertBSONtoJS(mongoScope, bsonObj.get(key));
            MongoRuntime.call(new JSPopulatePropertyAction(jsObj, key, value));
        }
        jsObject = jsObj;
    } else if (bsonObject instanceof Symbol) {
        jsObject = ((Symbol) bsonObject).getSymbol();
    } else if (bsonObject instanceof Date) {
        jsObject = MongoRuntime.call(
                new NewInstanceAction(mongoScope, "Date", new Object[] { ((Date) bsonObject).getTime() }));
    } else if (bsonObject instanceof Pattern) {
        Pattern regex = (Pattern) bsonObject;
        String source = regex.pattern();
        String options = Bytes.regexFlags(regex.flags());
        jsObject = MongoRuntime
                .call(new NewInstanceAction(mongoScope, "RegExp", new Object[] { source, options }));
    } else if (bsonObject instanceof org.bson.types.ObjectId) {
        jsObject = MongoRuntime.call(new NewInstanceAction(mongoScope, "ObjectId"));
        ((ObjectId) jsObject).setRealObjectId((org.bson.types.ObjectId) bsonObject);
    } else if (bsonObject instanceof org.bson.types.MinKey) {
        jsObject = MongoRuntime.call(new NewInstanceAction(mongoScope, "MinKey"));
    } else if (bsonObject instanceof org.bson.types.MaxKey) {
        jsObject = MongoRuntime.call(new NewInstanceAction(mongoScope, "MaxKey"));
    } else if (bsonObject instanceof com.mongodb.DBRef) {
        com.mongodb.DBRef dbRef = (com.mongodb.DBRef) bsonObject;
        Object id = convertBSONtoJS(mongoScope, dbRef.getId());
        jsObject = MongoRuntime.call(
                new NewInstanceAction(mongoScope, "DBRef", new Object[] { dbRef.getCollectionName(), id }));
    } else if (bsonObject instanceof BSONTimestamp) {
        BSONTimestamp bsonTstamp = (BSONTimestamp) bsonObject;
        jsObject = MongoRuntime.call(new NewInstanceAction(mongoScope, "Timestamp",
                new Object[] { bsonTstamp.getTime(), bsonTstamp.getInc() }));
    } else if (bsonObject instanceof Long) {
        jsObject = MongoRuntime.call(new NewInstanceAction(mongoScope, "NumberLong"));
        ((NumberLong) jsObject).setRealLong((Long) bsonObject);
    } else if (bsonObject instanceof Integer) {
        jsObject = Double.valueOf((Integer) bsonObject);
    } else if (bsonObject instanceof Code) {
        jsObject = ((Code) bsonObject).getCode();
    } else if (bsonObject instanceof byte[]) {
        jsObject = MongoRuntime.call(new NewInstanceAction(mongoScope, "BinData"));
        ((BinData) jsObject).setValues(0, (byte[]) bsonObject);
    } else if (bsonObject instanceof Binary) {
        jsObject = MongoRuntime.call(new NewInstanceAction(mongoScope, "BinData"));
        ((BinData) jsObject).setValues(((Binary) bsonObject).getType(), ((Binary) bsonObject).getData());
    } else if (bsonObject instanceof UUID) {
        jsObject = MongoRuntime.call(new NewInstanceAction(mongoScope, "BinData"));
        UUID uuid = (UUID) bsonObject;
        ByteBuffer dataBuffer = ByteBuffer.allocate(16);
        // mongodb wire protocol is little endian
        dataBuffer.order(ByteOrder.LITTLE_ENDIAN);
        dataBuffer.putLong(uuid.getMostSignificantBits());
        dataBuffer.putLong(uuid.getLeastSignificantBits());
        ((BinData) jsObject).setValues(BSON.B_UUID, dataBuffer.array());
    } else {
        jsObject = bsonObject;
    }

    return jsObject;
}

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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();//from  ww  w .  ja  v  a  2  s  .c om

    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();
}

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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 www . j av  a2  s  .  co  m*/
            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)));
            }
        }
    }
}

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

/**
 * @param uuid//from www .  j  a va2 s  . c om
 * @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;
}

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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 .jav  a 2  s .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)));
            }
        }
    }
}

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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));
    }// ww w . ja  v  a  2s .  com
    for (int i = 8; i < 16; ++i) {
        buffer[i] = (byte) (lsb >> 8 * (7 - i));
    }
    return new String(Base64.encodeBase64(buffer));
}

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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));
    }/* w  w  w.j a va 2 s  .c  o  m*/
    for (int i = 8; i < 16; i++) {
        buffer[i] = (byte) (lsb >>> 8 * (7 - i));
    }

    return buffer;

}

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