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:bftsmart.paxosatwar.executionmanager.Round.java

/**
 * Creates a new instance of Round for acceptors
 * @param parent Execution to which this round belongs
 * @param number Number of the round//from   ww  w .j  a va2s. c o  m
 * @param timeout Timeout duration for this round
 */
protected Round(ServerViewManager manager, Execution parent, int number) {
    this.execution = parent;
    this.number = number;
    this.manager = manager;
    this.proof = new HashSet<PaxosMessage>();
    //ExecutionManager manager = execution.getManager();

    this.lastView = manager.getCurrentView();
    this.me = manager.getStaticConf().getProcessId();

    //int[] acceptors = manager.getAcceptors();
    int n = manager.getCurrentViewN();

    weakSetted = new boolean[n];
    strongSetted = new boolean[n];

    Arrays.fill(weakSetted, false);
    Arrays.fill(strongSetted, false);

    if (number == 0) {
        this.weak = new byte[n][];
        this.strong = new byte[n][];

        Arrays.fill((Object[]) weak, null);
        Arrays.fill((Object[]) strong, null);
    } else {
        Round previousRound = execution.getRound(number - 1, manager);

        this.weak = previousRound.getWeak();
        this.strong = previousRound.getStrong();
    }
}

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From source file:jp.gr.java_conf.ka_ka_xyz.processor.AnnotationProcessor.java

@Override
protected int[] mapColumnsToProperties(ResultSetMetaData rsmd, PropertyDescriptor[] props) throws SQLException {
    int cols = rsmd.getColumnCount();
    int columnToProperty[] = new int[cols + 1];
    Arrays.fill(columnToProperty, PROPERTY_NOT_FOUND);
    for (int col = 1; col <= cols; col++) {
        String columnName = rsmd.getColumnLabel(col);
        for (int i = 0; i < props.length; i++) {
            if (equalsColumnAnnotation(columnName, props[i].getName())) {
                columnToProperty[col] = i;
                break;
            }/*from www  .  j av  a 2  s  .  co m*/
        }
    }
    return columnToProperty;
}

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From source file:com.amazonaws.services.kinesis.clientlibrary.lib.worker.ExceptionThrowingLeaseManager.java

/**
 * Reset all parameters used for throwing exception.
 *//*from   w w  w  . ja va2  s . c o m*/
void clearLeaseManagerThrowingExceptionScenario() {
    Arrays.fill(leaseManagerMethodCallingCount, 0);
    this.methodThrowingException = ExceptionThrowingLeaseManagerMethods.NONE;
    this.timeThrowingException = Integer.MAX_VALUE;
}

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From source file:com.blackducksoftware.integration.hub.bamboo.config.HubServerConfigSerializable.java

public static String getMaskedString(final int length) {
    if (length == 0) {
        return null;
    }//from  w w w  .j  a  v a  2  s .  c o m
    final char[] array = new char[length];
    Arrays.fill(array, '*');
    return new String(array);
}

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From source file:components.PasswordDemo.java

public void actionPerformed(ActionEvent e) {
    String cmd = e.getActionCommand();

    if (OK.equals(cmd)) { //Process the password.
        char[] input = passwordField.getPassword();
        if (isPasswordCorrect(input)) {
            JOptionPane.showMessageDialog(controllingFrame, "Success! You typed the right password.");
        } else {/*from  www. j av a2s . com*/
            JOptionPane.showMessageDialog(controllingFrame, "Invalid password. Try again.", "Error Message",
                    JOptionPane.ERROR_MESSAGE);
        }

        //Zero out the possible password, for security.
        Arrays.fill(input, '0');

        passwordField.selectAll();
        resetFocus();
    } else { //The user has asked for help.
        JOptionPane.showMessageDialog(controllingFrame,
                "You can get the password by searching this example's\n"
                        + "source code for the string \"correctPassword\".\n"
                        + "Or look at the section How to Use Password Fields in\n"
                        + "the components section of The Java Tutorial.");
    }
}

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From source file:com.unister.semweb.drums.bucket.hashfunction.RangeHashFunction.java

/**
 * This constructor instantiates a new {@link RangeHashFunction} with the given number of ranges. It tries to size
 * all ranges equally within the complete available space of numbers.
 * /*from   w  w  w . j av  a2 s .co  m*/
 * @param ranges
 *            the number of ranges
 * @param keySize
 *            the size in bytes of the key
 * @param hashFunctionFilename
 *            the filename of the file, where to store the hash-function
 */
public RangeHashFunction(int ranges, int keySize, String hashFunctionFilename) {
    this.hashFunctionFile = hashFunctionFilename;
    this.buckets = ranges;
    byte[] max = new byte[keySize], min = new byte[keySize];
    Arrays.fill(max, (byte) -1);
    this.initHashFunction(min, max, ranges);
}

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From source file:altermarkive.uploader.Config.java

@SuppressWarnings("unused")
public int[] initiate(int[] types, String[] vendors, String[] names, int[] delays, float[] resolutions,
        int[] sizes) {
    SparseIntArray indices = new SparseIntArray();
    for (int i = MIN_TYPE; i <= MAX_TYPE; i++) {
        indices.put(i, 0);//  w w  w. j  a  v  a 2 s . co m
    }
    int[] periods = new int[types.length];
    Arrays.fill(periods, 0);
    for (int i = 0; i < types.length; i++) {
        String identifier = String.format("%d, %s, %s", types[i], vendors[i], names[i]);
        if (types[i] < MIN_TYPE || MAX_TYPE < types[i] || sizes[i] == 0) {
            String message = String.format("Ignored sensor: %s", identifier);
            Log.i(TAG, message);
            continue;
        }
        // Find the period and update sensor index
        int index = indices.get(types[i]);
        periods[i] = sampling(types[i], index);
        indices.put(types[i], index + 1);
        // Update the name of the sensor
        naming(types[i], index, names[i]);
        // Clip period based on minimum delay reported
        if (0 < periods[i]) {
            periods[i] = Math.max(periods[i], delays[i] / 1000);
            String message = String.format("The period for sensor #%d (%s) is %d", i, identifier, periods[i]);
            Log.i(TAG, message);
        }
    }
    sampler.data().initiate(sizes, periods, storing());
    try {
        String report = Report.report(sampler.context(), types, vendors, names, resolutions, delays, null,
                null);
        Storage.writeText("device.json", report);
    } catch (JSONException exception) {
        String trace = Log.getStackTraceString(exception);
        String message = String.format("Failed to report on device specification:\n%s", trace);
        Log.e(TAG, message);
    }
    return periods;
}

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From source file:com.opengamma.analytics.math.statistics.leastsquare.NonLinearLeastSquare.java

/**
 * Use this when the model is in the ParameterizedFunction form and analytic parameter sensitivity is not available
 * @param x Set of measurement points// www .j  av  a 2 s  . c o  m
 * @param y Set of measurement values
 * @param func The model in ParameterizedFunction form (i.e. takes measurement points and a set of parameters and returns a model value)
 * @param startPos Initial value of the parameters
 * @return A LeastSquareResults object
 */
public LeastSquareResults solve(final DoubleMatrix1D x, final DoubleMatrix1D y,
        final ParameterizedFunction<Double, DoubleMatrix1D, Double> func, final DoubleMatrix1D startPos) {
    Validate.notNull(x, "x");
    Validate.notNull(y, "y");
    final int n = x.getNumberOfElements();
    Validate.isTrue(y.getNumberOfElements() == n, "y wrong length");
    final double[] sigmas = new double[n];
    Arrays.fill(sigmas, 1); //emcleod 31-1-2011 arbitrary value for now
    return solve(x, y, new DoubleMatrix1D(sigmas), func, startPos);
}

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From source file:com.netflix.imfutility.ttmltostl.stl.StlGsiTest.java

@Test
public void testGsiAll() throws Exception {
    TimedTextObject tto = StlTestUtil.buildTto("10:00:15:10", "10:00:16:00", "text1", "10:00:16:00",
            "10:00:17:00", "text2", "10:00:17:00", "10:01:20:00", "text3");
    byte[][] stl = StlTestUtil.build(tto, StlTestUtil.getMetadataXml());
    byte[] gsi = stl[0];

    assertArrayEquals(new byte[] { 0x38, 0x35, 0x30, // 850
            0x53, 0x54, 0x4c, 0x32, 0x35, 0x2e, 0x30, 0x31, // STL25.01
            0x31, // 1 - teletext
            0x30, 0x30, // 00 - latin
            0x30, 0x39 // 09 - English
    }, Arrays.copyOfRange(gsi, 0, 16));

    assertArrayEquals(new byte[] { 0x50, 0x72, 0x6f, 0x67, 0x72, 0x61, 0x6d, 0x6d, 0x65, // 'Programme' as in metadata.xml
            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 }, Arrays.copyOfRange(gsi, 16, 48));

    assertArrayEquals(new byte[] { 0x45, 0x70, 0x69, 0x73, 0x6f, 0x64, 0x65, // 'Episode' as in metadata.xml
            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 }, Arrays.copyOfRange(gsi, 48, 80));

    byte[] translated = new byte[128];
    Arrays.fill(translated, (byte) 0x20);
    assertArrayEquals(translated, Arrays.copyOfRange(gsi, 80, 208));

    byte[] slr = new byte[16];
    Arrays.fill(slr, (byte) 0x20);
    assertArrayEquals(slr, Arrays.copyOfRange(gsi, 208, 224));

    assertArrayEquals(new byte[] { 0x31, 0x36, 0x30, 0x37, 0x30, 0x38 // creation date as in metadata.xml:
    }, Arrays.copyOfRange(gsi, 224, 230));
    assertArrayEquals(new byte[] { 0x31, 0x36, 0x30, 0x37, 0x30, 0x38 // revision date as in metadata.xml:
    }, Arrays.copyOfRange(gsi, 230, 236));

    assertArrayEquals(new byte[] { 0x30, 0x31 // revision number = 01
    }, Arrays.copyOfRange(gsi, 236, 238));

    assertArrayEquals(new byte[] { 0x30, 0x30, 0x30, 0x30, 0x34 // number of tti blocks - 3 + subtitle zero = 4
    }, Arrays.copyOfRange(gsi, 238, 243));

    assertArrayEquals(new byte[] { 0x30, 0x30, 0x30, 0x30, 0x34 // number of subtitles - 3 + subtitle zero = 4
    }, Arrays.copyOfRange(gsi, 243, 248));

    assertArrayEquals(new byte[] { 0x30, 0x30, 0x31 // number of subtitle groups - 1
    }, Arrays.copyOfRange(gsi, 248, 251));

    assertArrayEquals(new byte[] { 0x35, 0x38 // number of displayable chars - 58
    }, Arrays.copyOfRange(gsi, 251, 253));

    assertArrayEquals(new byte[] { 0x31, 0x31 // number of displayable rows - 11
    }, Arrays.copyOfRange(gsi, 253, 255));

    assertArrayEquals(new byte[] { 0x31 // tc status - 1
    }, Arrays.copyOfRange(gsi, 255, 256));

    assertArrayEquals(new byte[] { 0x31, 0x30, 0x30, 0x30, 0x30, 0x30, 0x32, 0x30 // start time of program: 10:00:00:20 (as in metadata.xml)
    }, Arrays.copyOfRange(gsi, 256, 264));

    assertArrayEquals(new byte[] { 0x31, 0x30, 0x30, 0x30, 0x31, 0x35, 0x31, 0x30 // start time of subtitles: 10:00:15:10 (as in metadata.xml)
    }, Arrays.copyOfRange(gsi, 264, 272));

    assertArrayEquals(new byte[] { 0x31 // number of disks - 1
    }, Arrays.copyOfRange(gsi, 272, 273));

    assertArrayEquals(new byte[] { 0x31 // disk seq number - 1
    }, Arrays.copyOfRange(gsi, 273, 274));

    assertArrayEquals(new byte[] { 0x47, 0x42, 0x52 // country - GBR
    }, Arrays.copyOfRange(gsi, 274, 277));

    assertArrayEquals(new byte[] { 0x4f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x74, 0x6f, 0x72, // Publisher: Originator (as in metadata.xml)
            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
            0x20, 0x20, 0x20, 0x20, 0x20, 0x20 }, Arrays.copyOfRange(gsi, 277, 309));

    assertArrayEquals(new byte[] { 0x44, 0x69, 0x73, 0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x6f, 0x72, // Editor: Distributor (as in metadata.xml)
            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
            0x20, 0x20, 0x20, 0x20, 0x20 }, Arrays.copyOfRange(gsi, 309, 341));

    assertArrayEquals(new byte[] { 0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x40, // Contact: account@myemail.com (as in metadata.xml)
            0x6d, 0x79, 0x65, 0x6d, 0x61, 0x69, 0x6c, 0x2e, 0x63, 0x6f, 0x6d, 0x20, 0x20, 0x20, 0x20, 0x20,
            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 }, Arrays.copyOfRange(gsi, 341, 373));

    byte[] spare = new byte[651];
    Arrays.fill(spare, (byte) 0x20);
    assertArrayEquals(spare, Arrays.copyOfRange(gsi, 373, 1024));

}

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From source file:com.albert.util.StringUtilCommon.java

/**
 * right pad string with char c.//from  w  w  w .ja  v a  2s  .c  o  m
 * 
 * @param s
 * @param n
 * @param c
 * @return String
 */
public static String rPad(String s, int n, char c) {
    if (s == null) {
        return s;
    }
    int add = n - s.length();
    if (add <= 0) {
        return s;
    }
    StringBuffer str = new StringBuffer(s);
    char[] ch = new char[add];
    Arrays.fill(ch, c);
    str.append(ch);

    return str.toString();
}

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