Example usage for java.util Arrays copyOf

Introduction

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

Prototype

public static boolean[] copyOf(boolean[] original, int newLength)

Source Link

Document

Copies the specified array, truncating or padding with false (if necessary) so the copy has the specified length.

Usage

From source file:com.almende.dht.Bucket.java

/**
 * Gets the closest nodes.// w  w  w.j  av a 2 s. c o  m
 *
 * @param near
 *            the near
 * @param limit
 *            the limit
 * @param filter
 *            the filter
 * @return the closest nodes
 */
public List<Node> getClosestNodes(final Key near, final int limit, final Collection<Key> filter) {
    synchronized (nodes) {
        final TreeMap<Key, Node> distMap = new TreeMap<Key, Node>();
        final Iterator<Entry<Key, Node>> iter = nodes.entrySet().iterator();
        while (iter.hasNext()) {
            Entry<Key, Node> entry = iter.next();
            if (filter != null && filter.contains(entry.getKey())) {
                continue;
            }
            distMap.put(near.dist(entry.getKey()), entry.getValue());
        }
        final Node[] values = distMap.values().toArray(new Node[0]);
        return Arrays.asList(Arrays.copyOf(values, Math.min(limit, distMap.size())));
    }
}

From source file:com.arpnetworking.tsdcore.sinks.KairosDbSink.java

/**
 * {@inheritDoc}//from   w w w .j a  v a 2s.  com
 */
@Override
protected Collection<byte[]> serialize(final PeriodicData periodicData) {
    // Initialize serialization structures
    final List<byte[]> completeChunks = Lists.newArrayList();
    final ByteBuffer currentChunk = ByteBuffer.allocate(_maxRequestSize);
    final ByteArrayOutputStream chunkStream = new ByteArrayOutputStream();

    // Extract and transform shared data
    final long timestamp = periodicData.getStart().plus(periodicData.getPeriod()).getMillis();
    final String serializedPeriod = periodicData.getPeriod().toString(ISOPeriodFormat.standard());
    final ImmutableMap<String, String> dimensions = periodicData.getDimensions();
    final Serializer serializer = new Serializer(timestamp, serializedPeriod, dimensions);

    // Initialize the chunk buffer
    currentChunk.put(HEADER);

    // Add aggregated data
    for (final AggregatedData datum : periodicData.getData()) {
        if (!datum.isSpecified()) {
            LOGGER.trace().setMessage("Skipping unspecified datum").addData("datum", datum).log();
            continue;
        }

        serializer.serializeDatum(completeChunks, currentChunk, chunkStream, datum);
    }

    // Add conditions
    for (final Condition condition : periodicData.getConditions()) {
        serializer.serializeCondition(completeChunks, currentChunk, chunkStream, condition);
    }

    // Add the current chunk (if any) to the completed chunks
    if (currentChunk.position() > HEADER_BYTE_LENGTH) {
        currentChunk.put(currentChunk.position() - 1, FOOTER);
        completeChunks.add(Arrays.copyOf(currentChunk.array(), currentChunk.position()));
    }

    return completeChunks;
}

From source file:com.opengamma.maths.highlevelapi.datatypes.primitive.OGIndexType.java

/**
 * Gets the data/*from  w  ww . j a  va 2  s  .  c  o  m*/
 * @return _data the OGIndex data in it's native storage format
 */
public int[] getData() {
    return Arrays.copyOf(_data, _data.length);
}

From source file:com.haulmont.chile.core.model.MetaPropertyPath.java

/**
 * Tests if this path is a nested property of the given path.
 *///from ww w.j av a 2  s. c  o  m
public boolean startsWith(MetaPropertyPath other) {
    if (other.getPath().length > path.length)
        return false;
    MetaProperty[] subarray = Arrays.copyOf(this.metaProperties, other.getMetaProperties().length);
    return Arrays.equals(subarray, other.metaProperties);
}

From source file:com.aliyun.odps.mapred.bridge.streaming.StreamJob.java

public int run(String[] args) throws Exception {
    for (String aa : args) {
        LOG.debug("arg: '" + aa + "'");
    }//from   w  w  w  . jav  a 2s .  c  o  m
    try {
        this.argv_ = Arrays.copyOf(args, args.length);
        init();

        preProcessArgs();
        parseArgv();
        if (printUsage) {
            printUsage(detailedUsage_);
            return 0;
        }
        postProcessArgs();

        setJobConf();
    } catch (IllegalArgumentException ex) {
        //ignore, since log will already be printed
        // print the log in debug mode.
        LOG.debug("Error in streaming job", ex);
        ex.printStackTrace();
        return 1;
    }
    return submitAndMonitorJob();
}

From source file:com.github.horrorho.inflatabledonkey.data.der.PublicKeyInfo.java

public byte[] key() {
    return Arrays.copyOf(key, key.length);
}

From source file:ffx.potential.parameters.OutOfPlaneBendType.java

/**
 * Remap new atom classes to known internal ones.
 *
 * @param typeMap a lookup between new atom types and known atom types.
 * @return//from  w ww .ja v a2  s  .c om
 */
public OutOfPlaneBendType patchClasses(HashMap<AtomType, AtomType> typeMap) {
    int count = 0;
    int len = atomClasses.length;
    /**
     * Look for new OutOfPlaneBends that contain 1 mapped atom classes.
     */
    for (AtomType newType : typeMap.keySet()) {
        for (int i = 0; i < len; i++) {
            if (atomClasses[i] == newType.atomClass) {
                count++;
            }
        }
    }
    /**
     * If found, create a new OutOfPlaneBend that bridges to known classes.
     */
    if (count == 1) {
        int newClasses[] = Arrays.copyOf(atomClasses, len);
        for (AtomType newType : typeMap.keySet()) {
            for (int i = 0; i < len; i++) {
                if (atomClasses[i] == newType.atomClass) {
                    AtomType knownType = typeMap.get(newType);
                    newClasses[i] = knownType.atomClass;
                }
            }
        }
        return new OutOfPlaneBendType(newClasses, forceConstant);
    }
    return null;
}

From source file:com.cloudera.sqoop.testutil.BaseSqoopTestCase.java

protected void setColNames(String[] cols) {
    if (null == cols) {
        this.colNames = null;
    } else {//from  w  w  w . jav  a  2  s .c  o  m
        this.colNames = Arrays.copyOf(cols, cols.length);
    }
}

From source file:es.udc.gii.common.eaf.algorithm.operator.reproduction.mutation.de.mutationStrategy.RandomDEMutationStrategy.java

@Override
public Individual getMutatedIndividual(EvolutionaryAlgorithm algorithm, Individual target) {

    int basePos;//w  w  w . ja  v  a2  s  .c o  m
    double[] base;
    List<Individual> individuals;
    List<Individual> listInd;
    List<Integer> index_list;
    int randomPos;
    double auxGeneValue, x1, x2;
    double F;

    F = this.getFPlugin().get(algorithm);
    individuals = algorithm.getPopulation().getIndividuals();

    basePos = (int) EAFRandom.nextInt(individuals.size());
    base = ((Individual) individuals.get(basePos)).getChromosomeAt(0);
    index_list = new ArrayList<>();
    index_list.add(basePos);

    //se eligen los vectores diferenciales:
    listInd = new ArrayList<>();

    for (int i = 0; i < this.getDiffVector() * 2; i++) {

        do {

            randomPos = (int) EAFRandom.nextInt(individuals.size());

        } while (index_list.contains(randomPos));

        index_list.add(randomPos);
        listInd.add(individuals.get(randomPos));

    }

    double[][] diffVectorMatrix = new double[this.getDiffVector() * 2][base.length];

    for (int j = 0; j < diffVectorMatrix.length; j++) {
        diffVectorMatrix[j] = Arrays.copyOf(listInd.get(j).getChromosomeAt(0), base.length);
    }

    if (base != null) {
        //Recorremos el numero de genes:
        for (int i = 0; i < base.length; i++) {

            auxGeneValue = base[i];

            for (int j = 0; j < this.getDiffVector(); j += 2) {

                x1 = diffVectorMatrix[j][i];
                x2 = diffVectorMatrix[j + 1][i];

                auxGeneValue += F * (x1 - x2);

            }

            base[i] = auxGeneValue;

        }

    }

    Individual mutatedIndividual;
    if (target instanceof JADEIndividual) {
        mutatedIndividual = new JADEIndividual();
        ((JADEIndividual) mutatedIndividual).setF(F);
    } else {
        mutatedIndividual = new Individual();
    }
    mutatedIndividual.setChromosomeAt(0, base);
    return mutatedIndividual;

}

From source file:org.bigtester.ate.model.casestep.RepeatDataRefreshEvent.java

/**
 * @return the repeatStepInvokePathNodes
 *///from   w w w . ja  v a  2  s .c o m
public TreeNode[] getRepeatStepInvokePathNodes() {
    TreeNode[] temp = Arrays.copyOf(repeatStepInvokePathNodes, repeatStepInvokePathNodes.length);
    if (null == temp)
        throw GlobalUtils.createInternalError("error in copying array, repeatStepInvokePathNodes");
    else
        return temp;
}