Example usage for java.util Arrays fill

Introduction

In this page you can find the example usage for java.util Arrays fill.

Prototype

public static void fill(Object[] a, Object val)

Source Link

Document

Assigns the specified Object reference to each element of the specified array of Objects.

Usage

From source file:com.fatwire.dta.sscrawler.reporting.reporters.PageletTimingsStatisticsReporter.java

@Override
public synchronized void endCollecting() {
    if (pagesDone.get() == 0)
        return;/*from  w  w w  . j  av  a  2  s .  c  om*/
    report.startReport();
    final DecimalFormat df = new DecimalFormat("###0.00");
    final DecimalFormat lf = new DecimalFormat("##0");
    int l = 0;
    for (final String s : stats.keySet()) {
        l = Math.max(s.length(), l);
    }
    l += 3;
    final char[] blank = new char[l];
    Arrays.fill(blank, ' ');
    report.addHeader("pagename" + new String(blank, 0, l - 8), "invocations", "average", "min", "max",
            "standard-deviation");

    for (final Map.Entry<String, SynchronizedSummaryStatistics> e : stats.entrySet()) {
        final SynchronizedSummaryStatistics s = e.getValue();

        final String n = e.getKey() + new String(blank, 0, l - e.getKey().length())
                + (Boolean.FALSE.equals(cached.get(e.getKey())) ? " * " : "   ");

        report.addRow(n, Long.toString(s.getN()), df.format(s.getMean()), lf.format(s.getMin()),
                lf.format(s.getMax()), df.format(s.getStandardDeviation()));

    }
    final String n = "total" + new String(blank, 0, l - "total".length());
    report.addRow(n, Long.toString(total.getN()), df.format(total.getMean()), lf.format(total.getMin()),
            lf.format(total.getMax()), df.format(total.getStandardDeviation()));

    report.finishReport();

}

From source file:com.linkedin.r2.filter.compression.stream.TestStreamingCompression.java

@Test
public void testSnappyCompressor()
        throws IOException, InterruptedException, CompressionException, ExecutionException {
    StreamingCompressor compressor = new SnappyCompressor(_executor);
    final byte[] origin = new byte[BUF_SIZE];
    Arrays.fill(origin, (byte) 'a');

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    SnappyFramedOutputStream snappy = new SnappyFramedOutputStream(out);
    IOUtils.write(origin, snappy);// ww w  . ja  va 2s  .  co m
    snappy.close();
    byte[] compressed = out.toByteArray();

    testCompress(compressor, origin, compressed);
    testDecompress(compressor, origin, compressed);
    testCompressThenDecompress(compressor, origin);
}

From source file:com.hadoop.compression.lzo.LzopInputStream.java

/**
 * Read bytes, update checksums, return first four bytes as an int, first
 * byte read in the MSB./* ww  w.  ja  v a  2 s. c  o  m*/
 */
private static int readHeaderItem(InputStream in, byte[] buf, int len, Adler32 adler, CRC32 crc32)
        throws IOException {
    int ret = readInt(in, buf, len);
    adler.update(buf, 0, len);
    crc32.update(buf, 0, len);
    Arrays.fill(buf, (byte) 0);
    return ret;
}

From source file:io.confluent.kafkarest.tools.ProducerPerformance.java

public ProducerPerformance(String baseUrl, String topic, long iterations, int recordsPerIteration,
        long iterationsPerSec, int recordSize) throws Exception {
    super(iterations * recordsPerIteration);
    this.iterations = iterations;
    this.iterationsPerSec = iterationsPerSec;
    this.recordsPerIteration = recordsPerIteration;
    this.bytesPerIteration = recordsPerIteration * recordSize;

    /* setup perf test */
    targetUrl = baseUrl + "/topics/" + topic;
    byte[] payload = new byte[recordSize];
    Arrays.fill(payload, (byte) 1);
    TopicProduceRecord record = new BinaryTopicProduceRecord(payload);
    TopicProduceRecord[] records = new TopicProduceRecord[recordsPerIteration];
    Arrays.fill(records, record);
    TopicProduceRequest request = new TopicProduceRequest();
    request.setRecords(Arrays.asList(records));
    requestEntity = new ObjectMapper().writeValueAsBytes(request);
    requestEntityLength = Integer.toString(requestEntity.length);
    buffer = new byte[1024 * 1024];
}

From source file:bide.core.par.TunePar.java

public TunePar(String forLorG, int ite, int tuneSize, int tuneGroup) {

    tuneInitSize = 2.38;//w  ww.jav  a  2  s .co m
    tuneStepSize = 0.001;

    if (forLorG == Setting.LOCAL) {
        this.noTunePar = SavePar.NO_LOCAL_TUNE;
    } else {
        this.noTunePar = SavePar.NO_GLOBAL_TUNE;
    }
    tunePar = new double[noTunePar];
    for (int i = 0; i < noTunePar; i++) {
        Arrays.fill(tunePar, tuneInitSize);
    }
    this.tuneSize = tuneSize;
    this.tuneGroup = tuneGroup;
    //      minAccRate = 1.0 / tuneSize;

    tuneGroup1 = tuneGroup - 1;
    accept = new double[noTunePar][tuneGroup];

}

From source file:com.opengamma.analytics.financial.model.volatility.smile.fitting.SmileModelFitterTest.java

public SmileModelFitterTest() {
    final VolatilityFunctionProvider<T> model = getModel();
    final T data = getModelData();
    final double[] strikes = new double[] { 0.005, 0.01, 0.02, 0.03, 0.04, 0.05, 0.07, 0.1 };
    final int n = strikes.length;
    _noisyVols = new double[n];

    _errors = new double[n];
    _cleanVols = model.getVolatilityFunction(F, strikes, TIME_TO_EXPIRY).evaluate(data);
    Arrays.fill(_errors, 1e-4);
    for (int i = 0; i < n; i++) {
        _noisyVols[i] = _cleanVols[i] + UNIFORM.nextDouble() * _errors[i];
    }//from  w ww. j  av a2  s .  c o m

    _fitter = getFitter(F, strikes, TIME_TO_EXPIRY, _cleanVols, _errors, model);
    _nosiyFitter = getFitter(F, strikes, TIME_TO_EXPIRY, _noisyVols, _errors, model);
}

From source file:com.acciente.oacc.encryptor.jasypt.LegacyJasyptPasswordEncryptor.java

private byte[] getCleanedBytes(char[] password) {
    final char[] normalizedChars = TextNormalizer.getInstance().normalizeToNfc(password);
    final ByteBuffer byteBuffer = StandardCharsets.UTF_8.encode(CharBuffer.wrap(normalizedChars));
    final byte[] byteArray = new byte[byteBuffer.remaining()];
    byteBuffer.get(byteArray);/*from w w  w. j a v  a2s.  c om*/
    Arrays.fill(byteBuffer.array(), (byte) 0);
    return byteArray;
}

From source file:gov.nih.nci.caarray.plugins.illumina.ProbeHandler.java

/**
 * {@inheritDoc}//from  w  w w  .jav a2s  . c  o m
 */
@Override
@SuppressWarnings("PMD.EmptyCatchBlock")
public void parseFirstRow(String[] values, int lineNumber) {
    colIndex = new int[BgxDesignHandler.Header.values().length];
    Arrays.fill(colIndex, -1);
    for (int i = 0; i < values.length; i++) {
        String col = values[i].toUpperCase(Locale.getDefault());
        try {
            BgxDesignHandler.Header h = BgxDesignHandler.Header.valueOf(col);
            colIndex[h.ordinal()] = i;
        } catch (IllegalArgumentException e) {
            // unknown column
        }
    }
}

From source file:net.myrrix.common.collection.FastByIDFloatMap.java

public FastByIDFloatMap(int size) {
    Preconditions.checkArgument(size >= 0, "size must be at least 0");
    Preconditions.checkArgument(size < MAX_SIZE, "size must be less than " + MAX_SIZE);
    int hashSize = RandomUtils.nextTwinPrime((int) (DEFAULT_LOAD_FACTOR * size) + 1);
    keys = new long[hashSize];
    Arrays.fill(keys, KEY_NULL);
    values = new float[hashSize];
    Arrays.fill(values, VALUE_NULL);
}

From source file:gda.util.exafs.Element.java

static Double[] setArrayFromFileParser(int maxAtomicNumber, Double defaultValue, TokenFileParser p,
        int column) {
    Double[] arrayToSet = new Double[maxAtomicNumber];
    Arrays.fill(arrayToSet, defaultValue);

    List<String> atomicNumberFromFile = p.getColumn(0);
    List<String> valuesFromFile = p.getColumn(column);
    for (int i = 0; i < atomicNumberFromFile.size(); i++) {
        // ignore first line
        if (i == 0)
            continue;
        int atomicNumber = Integer.parseInt(atomicNumberFromFile.get(i));
        if (atomicNumber <= maxAtomicNumber)
            arrayToSet[atomicNumber - 1] = Double.parseDouble(valuesFromFile.get(i));
    }/*  ww  w .j  a  v  a 2  s . c om*/
    return arrayToSet;
}