Example usage for java.lang Long toHexString

Introduction

In this page you can find the example usage for java.lang Long toHexString.

Prototype

public static String toHexString(long i) 

Source Link

Document

Returns a string representation of the long argument as an unsigned integer in base 16.

Usage

From source file:com.mellanox.jxio.ClientSession.java

/**
 * Constructor of ClientSession./* w  ww  .ja  va2  s  . c om*/
 * 
 * @param eqh
 *            - EventQueueHAndler on which the events
 *            (onResponse, onSessionEstablished etc) of this client will arrive
 * @param uri
 *            - URI of the server to which this Client will connect
 *            of the server
 * @param callbacks
 *            - implementation of Interface ClientSession.Callbacks
 */
public ClientSession(EventQueueHandler eqh, URI uri, Callbacks callbacks) {
    if (LOG.isDebugEnabled()) {
        LOG.debug("CS CTOR entry");
    }
    this.eqh = eqh;
    this.callbacks = callbacks;
    if (!uri.getScheme().equals("rdma") && !uri.getScheme().equals("tcp")) {
        LOG.fatal("mal formatted URI: " + uri);
    }
    String uriStr = uri.toString();
    long cacheId = eqh.getId();
    if (uri.getPath().compareTo("") == 0) {
        uriStr += "/";
    }
    if (uri.getQuery() == null) {
        uriStr += "?" + WorkerCache.CACHE_TAG + "=" + cacheId;
    } else {
        uriStr += "&" + WorkerCache.CACHE_TAG + "=" + cacheId;
    }
    final long id = Bridge.startSessionClient(uriStr, eqh.getId());
    this.name = "jxio.CS[" + Long.toHexString(id) + "]";
    this.nameForLog = this.name + ": ";
    if (id == 0) {
        LOG.error(this.toLogString() + "there was an error creating session");
    }

    if (LOG.isDebugEnabled()) {
        LOG.debug(this.toLogString() + "connecting to " + uriStr);
    }
    this.setId(id);

    this.eqh.addEventable(this);

    if (LOG.isDebugEnabled()) {
        LOG.debug(this.toLogString() + "CS CTOR done");
    }
}

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From source file:com.chiorichan.util.ObjectUtil.java

/**
 * Appends the prefix of each hex dump row. Uses the look-up table for the buffer <= 64 KiB.
 *//*from  www .j a  va  2s.  co  m*/
private static void appendHexDumpRowPrefix(StringBuilder dump, int row, int rowStartIndex) {
    if (row < HEXDUMP_ROWPREFIXES.length) {
        dump.append(HEXDUMP_ROWPREFIXES[row]);
    } else {
        dump.append(NEWLINE);
        dump.append(Long.toHexString(rowStartIndex & 0xFFFFFFFFL | 0x100000000L));
        dump.setCharAt(dump.length() - 9, '|');
        dump.append('|');
    }
}

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From source file:com.wealdtech.gcm.GCMClient.java

/**
 * Returns a random message id to uniquely identify a message.
 * <p/>//from  w  w w.j  a v  a  2s  .c o  m
 * <p>Note: This is generated by a pseudo random number generator for illustration purpose, and is not guaranteed to be unique.
 */
public String getRandomMessageId() {
    return "m-" + Long.toHexString(random.nextLong());
}

---

From source file:com.github.carlomicieli.rest.PlayerRepresentation.java

/**
 * Compute the ETag for the current player representation.
 * @return the ETag value./*from w w w . ja v  a2 s  .  c  o m*/
 */
public EntityTag tag() {
    return new EntityTag(Long.toHexString(this.hashCode()));
}

---

From source file:net.urosk.mifss.core.pools.FsContentPoolImpl.java

/**
* Creates left padded string from int to hex, splited in folder from 0-255
* in hex/*w  w  w .  ja  va  2  s.  co  m*/
* 
* @param id content id
* @return path in hex
*/
public String getHexStorePath(long id) {

    String s = Long.toHexString(id);
    s = s.toLowerCase();

    s = StringUtils.leftPad(s, hexPaddingLength, "0");

    String a = "";
    for (int i = 0; i < hexPaddingLength; i = i + 2) {
        a = a + s.substring(i, i + 2) + File.separator;
    }

    return a.substring(0, a.length() - 1);
}

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From source file:org.apache.bookkeeper.bookie.BookieJournalTest.java

private void writePreV2Journal(File journalDir, int numEntries) throws Exception {
    long logId = System.currentTimeMillis();
    File fn = new File(journalDir, Long.toHexString(logId) + ".txn");

    FileChannel fc = new RandomAccessFile(fn, "rw").getChannel();

    ByteBuffer zeros = ByteBuffer.allocate(512);
    fc.write(zeros, 4 * 1024 * 1024);//from ww  w.j  av  a2  s.c  o  m
    fc.position(0);

    byte[] data = "JournalTestData".getBytes();
    long lastConfirmed = LedgerHandle.INVALID_ENTRY_ID;
    for (int i = 1; i <= numEntries; i++) {
        ByteBuffer packet = ClientUtil.generatePacket(1, i, lastConfirmed, i * data.length, data)
                .toByteBuffer();
        lastConfirmed = i;
        ByteBuffer lenBuff = ByteBuffer.allocate(4);
        lenBuff.putInt(packet.remaining());
        lenBuff.flip();

        fc.write(lenBuff);
        fc.write(packet);
    }
}

---

From source file:org.apache.bookkeeper.bookie.EntryLogTest.java

@Test(timeout = 60000)
public void testMissingLogId() throws Exception {
    File tmpDir = createTempDir("entryLogTest", ".dir");
    File curDir = Bookie.getCurrentDirectory(tmpDir);
    Bookie.checkDirectoryStructure(curDir);

    ServerConfiguration conf = TestBKConfiguration.newServerConfiguration();
    conf.setLedgerDirNames(new String[] { tmpDir.toString() });
    Bookie bookie = new Bookie(conf);
    // create some entries
    int numLogs = 3;
    int numEntries = 10;
    long[][] positions = new long[2 * numLogs][];
    for (int i = 0; i < numLogs; i++) {
        positions[i] = new long[numEntries];

        EntryLogger logger = new EntryLogger(conf, bookie.getLedgerDirsManager());
        for (int j = 0; j < numEntries; j++) {
            positions[i][j] = logger.addEntry(i, generateEntry(i, j));
        }/*from  ww  w . ja v  a2s. c  o  m*/
        logger.flush();
    }
    // delete last log id
    File lastLogId = new File(curDir, "lastId");
    lastLogId.delete();

    // write another entries
    for (int i = numLogs; i < 2 * numLogs; i++) {
        positions[i] = new long[numEntries];

        EntryLogger logger = new EntryLogger(conf, bookie.getLedgerDirsManager());
        for (int j = 0; j < numEntries; j++) {
            positions[i][j] = logger.addEntry(i, generateEntry(i, j));
        }
        logger.flush();
    }

    EntryLogger newLogger = new EntryLogger(conf, bookie.getLedgerDirsManager());
    for (int i = 0; i < (2 * numLogs + 1); i++) {
        File logFile = new File(curDir, Long.toHexString(i) + ".log");
        assertTrue(logFile.exists());
    }
    for (int i = 0; i < 2 * numLogs; i++) {
        for (int j = 0; j < numEntries; j++) {
            String expectedValue = "ledger-" + i + "-" + j;
            byte[] value = newLogger.readEntry(i, j, positions[i][j]);
            ByteBuffer buf = ByteBuffer.wrap(value);
            long ledgerId = buf.getLong();
            long entryId = buf.getLong();
            byte[] data = new byte[buf.remaining()];
            buf.get(data);
            assertEquals(i, ledgerId);
            assertEquals(j, entryId);
            assertEquals(expectedValue, new String(data));
        }
    }
}

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From source file:org.eclipse.ecr.core.api.impl.blob.LazyBlob.java

@Override
public InputStream getStream() throws IOException {

    // Get the client.
    CoreSession client;// ww w  .ja  v a  2  s . com
    try {
        client = getClient();
    } catch (ClientException ce) {
        throw new IOException(ce.getMessage());
    }

    if (in == null) {
        // this should be a remote invocation
        StreamManager sm = Framework.getLocalService(StreamManager.class);
        String uri = null;
        try {
            if (sm == null) {
                throw new IOException("No Streaming service was registered");
            }
            uri = client.getStreamURI(dataKey);
            StreamSource src = sm.getStream(uri);
            file = new File(TMP_DIR, Long.toHexString(RANDOM.nextLong()));
            file.deleteOnExit();
            src.copyTo(file); // persist the content
            in = new FileInputStream(file);
        } catch (IOException e) {
            throw e;
        } catch (Exception e) {
            log.error(e);
            throw new IOException("Failed to load lazy content for: " + dataKey);
        } finally {
            // destroy the remote blob and close any opened stream on the server
            if (uri != null) {
                sm.removeStream(uri); // destroy the remote stream
            }
        }
    } else if (file != null) {
        in = new FileInputStream(file);
    }

    // Close the session because it means we opened a new one.
    if (sid == null) {
        CoreInstance.getInstance().close(client);
    }

    return in;
}

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From source file:com.uber.jaeger.httpclient.JaegerRequestAndResponseInterceptorIntegrationTest.java

private void verifyTracing(Span parentSpan) {
    //Assert that traces are correctly emitted by the client
    List<Span> spans = reporter.getSpans();
    assertEquals(2, spans.size());/*from ww w .  java 2 s .  c  om*/
    Span span = spans.get(1);
    assertEquals("GET", span.getOperationName());
    assertEquals(parentSpan.context().getSpanID(), span.context().getParentID());

    //Assert traces and baggage are propagated correctly to server
    HttpRequest[] httpRequests = mockServerClient.retrieveRecordedRequests(null);
    assertEquals(1, httpRequests.length);
    String traceData = httpRequests[0].getFirstHeader("uber-trace-id");
    String[] split = traceData.split("%3A");
    assertEquals(Long.toHexString(span.context().getTraceID()), split[0]);
    assertEquals(Long.toHexString(span.context().getSpanID()), split[1]);
    String baggage = httpRequests[0].getFirstHeader("uberctx-" + BAGGAGE_KEY);
    assertEquals(BAGGAGE_VALUE, baggage);
}

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From source file:org.apache.bookkeeper.bookie.InterleavedStorageRegenerateIndexOp.java

public void initiate(boolean dryRun) throws IOException {
    LOG.info("Starting index rebuilding");

    DiskChecker diskChecker = Bookie.createDiskChecker(conf);
    LedgerDirsManager ledgerDirsManager = Bookie.createLedgerDirsManager(conf, diskChecker,
            NullStatsLogger.INSTANCE);//from  w  w w. j a v  a2  s .co  m
    LedgerDirsManager indexDirsManager = Bookie.createIndexDirsManager(conf, diskChecker,
            NullStatsLogger.INSTANCE, ledgerDirsManager);
    EntryLogger entryLogger = new EntryLogger(conf, ledgerDirsManager);
    final LedgerCache ledgerCache;
    if (dryRun) {
        ledgerCache = new DryRunLedgerCache();
    } else {
        ledgerCache = new LedgerCacheImpl(conf, new SnapshotMap<Long, Boolean>(), indexDirsManager,
                NullStatsLogger.INSTANCE);
    }

    Set<Long> entryLogs = entryLogger.getEntryLogsSet();

    int totalEntryLogs = entryLogs.size();
    int completedEntryLogs = 0;
    long startTime = System.nanoTime();

    LOG.info("Scanning {} entry logs", totalEntryLogs);

    Map<Long, RecoveryStats> stats = new HashMap<>();
    for (long entryLogId : entryLogs) {
        LOG.info("Scanning {}", entryLogId);
        entryLogger.scanEntryLog(entryLogId, new EntryLogScanner() {
            @Override
            public void process(long ledgerId, long offset, ByteBuf entry) throws IOException {
                long entryId = entry.getLong(8);

                stats.computeIfAbsent(ledgerId, (ignore) -> new RecoveryStats()).registerEntry(entryId);

                // Actual location indexed is pointing past the entry size
                long location = (entryLogId << 32L) | (offset + 4);

                if (LOG.isDebugEnabled()) {
                    LOG.debug("Rebuilding {}:{} at location {} / {}", ledgerId, entryId, location >> 32,
                            location & (Integer.MAX_VALUE - 1));
                }

                if (!ledgerCache.ledgerExists(ledgerId)) {
                    ledgerCache.setMasterKey(ledgerId, masterKey);
                    ledgerCache.setFenced(ledgerId);
                }
                ledgerCache.putEntryOffset(ledgerId, entryId, location);
            }

            @Override
            public boolean accept(long ledgerId) {
                return ledgerIds.contains(ledgerId);
            }
        });

        ledgerCache.flushLedger(true);

        ++completedEntryLogs;
        LOG.info("Completed scanning of log {}.log -- {} / {}", Long.toHexString(entryLogId),
                completedEntryLogs, totalEntryLogs);
    }

    LOG.info("Rebuilding indices done");
    for (long ledgerId : ledgerIds) {
        RecoveryStats ledgerStats = stats.get(ledgerId);
        if (ledgerStats == null || ledgerStats.getNumEntries() == 0) {
            LOG.info(" {} - No entries found", ledgerId);
        } else {
            LOG.info(" {} - Found {} entries, from {} to {}", ledgerId, ledgerStats.getNumEntries(),
                    ledgerStats.getFirstEntry(), ledgerStats.getLastEntry());
        }
    }
    LOG.info("Total time: {}", DurationFormatUtils
            .formatDurationHMS(TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startTime)));
}

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