Example usage for java.util UUID randomUUID

Introduction

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

Prototype

public static UUID randomUUID()

Source Link

Document

Static factory to retrieve a type 4 (pseudo randomly generated) UUID.

Usage

From source file:ai.grakn.graql.VarName.java

public static VarName anon() {
    return new VarName(UUID.randomUUID().toString());
}

From source file:com.pros.jsontransform.expression.FunctionRandomUUID.java

public static JsonNode evaluate(final JsonNode argsNode, final JsonNode valueNode,
        final ObjectTransformer transformer) throws ObjectTransformerException {
    ObjectNode resultNode = (ObjectNode) argsNode;
    resultNode.put("returnValue", UUID.randomUUID().toString());

    return resultNode.get("returnValue");
}

From source file:Main.java

public synchronized static String getUniqueId(Context context) {
    if (uniqueID == null) {
        SharedPreferences sharedPrefs = context.getSharedPreferences(PREF_UNIQUE_ID, Context.MODE_PRIVATE);
        uniqueID = sharedPrefs.getString(PREF_UNIQUE_ID, null);
        if (uniqueID == null) {
            uniqueID = UUID.randomUUID().toString();
            Editor editor = sharedPrefs.edit();
            editor.putString(PREF_UNIQUE_ID, uniqueID);
            editor.commit();/*from ww w .j  av a2 s. com*/
        }
    }
    return uniqueID;
}

From source file:Main.java

private static String generateKeevaId(Context context) {
    SharedPreferences sharedPrefs = context.getSharedPreferences("store.kv.db", Context.MODE_PRIVATE);
    String generatedId = sharedPrefs.getString(DB_KEY_SOOMLA_GENERATED_ID, null);
    if (TextUtils.isEmpty(generatedId)) {
        generatedId = UUID.randomUUID().toString();
        sharedPrefs.edit().putString(DB_KEY_SOOMLA_GENERATED_ID, generatedId).commit();
    }//from   w  ww.  j  av a2s  .  c o m
    return generatedId;
}

From source file:com.vmware.demo.sgf.lucene.LuceneIndexBuilder.java

/**
 * Create the index directory also remove the write.lock file if it exists.
 * /*from  w w w .jav  a  2 s.c  om*/
 * @throws IOException
 */
private static String createIndexDirectory(final String indexDirectory) throws IOException {
    String dirPath = indexDirectory + "-" + UUID.randomUUID();
    FileUtils.forceMkdir(new File(dirPath));
    FileUtils.deleteQuietly(new File(dirPath + "/write.lock"));
    return dirPath;
}

From source file:org.mule.modules.cmis.automation.functional.TestDataBuilder.java

public static InputStream generateRandomInputStream() throws Exception {
    return IOUtils.toInputStream(UUID.randomUUID().toString());
}

From source file:com.twosigma.beakerx.kernel.GroupName.java

public static GroupName generate() {
    return new GroupName(UUID.randomUUID().toString());
}

From source file:com.amazonaws.services.kinesis.producer.KinesisProducerConfigurationTest.java

private static String writeFile(String contents) {
    try {// w  w  w. j  a  v  a  2 s  .  c om
        File f = File.createTempFile(UUID.randomUUID().toString(), "");
        f.deleteOnExit();
        FileUtils.write(f, contents);
        return f.getAbsolutePath();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:com.pinterest.deployservice.common.CommonUtils.java

/**
 * TODO figure out how to use guava to achive this
 *
 * @return base64 encoded shorten UUID, e.g. 11YozyYYTvKmuUXpRDvoJA
 *///from   w w w .j av  a 2s. c  om
public static String getBase64UUID() {
    UUID uuid = UUID.randomUUID();
    ByteBuffer buffer = ByteBuffer.wrap(new byte[16]);
    buffer.putLong(uuid.getMostSignificantBits());
    buffer.putLong(uuid.getLeastSignificantBits());
    String base64 = BaseEncoding.base64Url().omitPadding().encode(buffer.array());
    if (base64.charAt(0) == '_') {
        return 'x' + base64.substring(1);
    }
    if (base64.charAt(0) == '-') {
        return 'X' + base64.substring(1);
    }
    return base64;
}

From source file:com.fengduo.bee.commons.core.utils.Identities.java

/**
 * ?JDKUUID, Random?, -.
 */
public static String uuid() {
    return UUID.randomUUID().toString();
}