Example usage for org.apache.commons.lang ArrayUtils toString

Introduction

In this page you can find the example usage for org.apache.commons.lang ArrayUtils toString.

Prototype

public static String toString(Object array) 

Source Link

Document

Outputs an array as a String, treating null as an empty array.

Usage

From source file:org.apache.hawq.pxf.plugins.hdfs.utilities.HdfsUtilities.java

/**
 * Parses fragment metadata and return matching {@link FileSplit}.
 *
 * @param inputData request input data//from   w  w w .j  a  v  a2  s  .  c  o  m
 * @return FileSplit with fragment metadata
 */
public static FileSplit parseFragmentMetadata(InputData inputData) {
    try {
        byte[] serializedLocation = inputData.getFragmentMetadata();
        if (serializedLocation == null) {
            throw new IllegalArgumentException("Missing fragment location information");
        }

        ByteArrayInputStream bytesStream = new ByteArrayInputStream(serializedLocation);
        ObjectInputStream objectStream = new ObjectInputStream(bytesStream);

        long start = objectStream.readLong();
        long end = objectStream.readLong();

        String[] hosts = (String[]) objectStream.readObject();

        FileSplit fileSplit = new FileSplit(new Path(inputData.getDataSource()), start, end, hosts);

        LOG.debug("parsed file split: path " + inputData.getDataSource() + ", start " + start + ", end " + end
                + ", hosts " + ArrayUtils.toString(hosts));

        return fileSplit;

    } catch (Exception e) {
        throw new RuntimeException("Exception while reading expected fragment metadata", e);
    }
}

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From source file:org.apache.kylin.dict.HiveTableReaderTest.java

@Test
public void test() throws IOException {
    HiveTableReader reader = new HiveTableReader("default", "test_kylin_fact");
    int rowNumber = 0;
    while (reader.next()) {
        String[] row = reader.getRow();
        Assert.assertEquals(9, row.length);
        System.out.println(ArrayUtils.toString(row));
        rowNumber++;/*from   w ww.j av  a  2  s  .  c o  m*/
    }

    reader.close();
    Assert.assertEquals(10000, rowNumber);
}

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From source file:org.apache.mahout.df.mapreduce.partial.Step2Mapper.java

@Override
protected void setup(Context context) throws IOException, InterruptedException {
    Configuration conf = context.getConfiguration();

    // get the cached files' paths
    URI[] files = DistributedCache.getCacheFiles(conf);

    log.info("DistributedCache.getCacheFiles(): {}", ArrayUtils.toString(files));

    if ((files == null) || (files.length < 2)) {
        throw new IllegalArgumentException("missing paths from the DistributedCache");
    }/*from   w w w . j a  va  2s . com*/

    Path datasetPath = new Path(files[0].getPath());
    Dataset dataset = Dataset.load(conf, datasetPath);

    int numMaps = Builder.getNumMaps(conf);
    int p = conf.getInt("mapred.task.partition", -1);

    // total number of trees in the forest
    int numTrees = Builder.getNbTrees(conf);
    if (numTrees == -1) {
        throw new IllegalArgumentException("numTrees not found !");
    }

    int nbConcerned = nbConcerned(numMaps, numTrees, p);
    keys = new TreeID[nbConcerned];
    trees = new Node[nbConcerned];

    Path forestPath = new Path(files[1].getPath());
    FileSystem fs = forestPath.getFileSystem(conf);
    int numInstances = InterResults.load(fs, forestPath, numMaps, numTrees, p, keys, trees);

    log.debug("partition: {} numInstances: {}", p, numInstances);
    configure(p, dataset, keys, trees, numInstances);
}

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From source file:org.apache.ojb.broker.core.IdentityFactoryImpl.java

/**
 * Helper method which supports creation of proper error messages.
 *
 * @param ex An exception to include or <em>null</em>.
 * @param message The error message or <em>null</em>.
 * @param objectToIdentify The current used object or <em>null</em>.
 * @param topLevelClass The object top-level class or <em>null</em>.
 * @param realClass The object real class or <em>null</em>.
 * @param pks The associated PK values of the object or <em>null</em>.
 * @return The generated exception./*from w ww  .j  a  v  a  2s. com*/
 */
private PersistenceBrokerException createException(final Exception ex, String message,
        final Object objectToIdentify, Class topLevelClass, Class realClass, Object[] pks) {
    final String eol = SystemUtils.LINE_SEPARATOR;
    StringBuffer msg = new StringBuffer();
    if (message == null) {
        msg.append("Unexpected error: ");
    } else {
        msg.append(message).append(" :");
    }
    if (topLevelClass != null)
        msg.append(eol).append("objectTopLevelClass=").append(topLevelClass.getName());
    if (realClass != null)
        msg.append(eol).append("objectRealClass=").append(realClass.getName());
    if (pks != null)
        msg.append(eol).append("pkValues=").append(ArrayUtils.toString(pks));
    if (objectToIdentify != null)
        msg.append(eol).append("object to identify: ").append(objectToIdentify);
    if (ex != null) {
        // add causing stack trace
        Throwable rootCause = ExceptionUtils.getRootCause(ex);
        if (rootCause != null) {
            msg.append(eol).append("The root stack trace is --> ");
            String rootStack = ExceptionUtils.getStackTrace(rootCause);
            msg.append(eol).append(rootStack);
        }

        return new PersistenceBrokerException(msg.toString(), ex);
    } else {
        return new PersistenceBrokerException(msg.toString());
    }
}

---

From source file:org.apache.ojb.broker.Identity.java

private ClassNotPersistenceCapableException createException(String msg, final Object objectToIdentify,
        final Exception e) {
    final String eol = SystemUtils.LINE_SEPARATOR;
    if (msg == null) {
        msg = "Unexpected error:";
    }// ww  w.j av  a  2s  .co m
    if (e != null) {
        return new ClassNotPersistenceCapableException(msg + eol + "objectTopLevelClass="
                + (m_objectsTopLevelClass != null ? m_objectsTopLevelClass.getName() : null) + eol
                + "objectRealClass=" + (m_objectsRealClass != null ? m_objectsRealClass.getName() : null) + eol
                + "pkValues=" + (m_pkValues != null ? ArrayUtils.toString(m_pkValues) : null)
                + (objectToIdentify != null ? (eol + "object to identify: " + objectToIdentify) : ""), e);
    } else {
        return new ClassNotPersistenceCapableException(msg + eol + "objectTopLevelClass="
                + (m_objectsTopLevelClass != null ? m_objectsTopLevelClass.getName() : null) + eol
                + "objectRealClass=" + (m_objectsRealClass != null ? m_objectsRealClass.getName() : null) + eol
                + "pkValues=" + (m_pkValues != null ? ArrayUtils.toString(m_pkValues) : null) + eol
                + "object to identify: " + objectToIdentify);
    }
}

---

From source file:org.apache.ojb.odmg.ObjectEnvelopeOrdering.java

/**
 * Reorders the object envelopes. The new order is available from the
 * <code>ordering</code> property.
 * @see #getOrdering()/*from  ww  w.  j ava  2s .  c  o m*/
 */
public void reorder() {
    int newOrderIndex = 0;
    long t1 = 0, t2 = 0, t3;

    if (log.isDebugEnabled()) {
        t1 = System.currentTimeMillis();
    }
    newOrder = new Identity[originalOrder.size()];

    if (log.isDebugEnabled())
        log.debug("Orginal order: " + originalOrder);
    // set up the vertex array in the order the envelopes were added
    List vertexList = new ArrayList(originalOrder.size());
    // int vertexIndex = 0;
    for (Iterator it = originalOrder.iterator(); it.hasNext();) {
        ObjectEnvelope envelope = (ObjectEnvelope) envelopes.get(it.next());
        if (envelope.needsUpdate() || envelope.needsInsert() || envelope.needsDelete()) {
            Vertex vertex = new Vertex(envelope);
            vertexList.add(vertex);
            if (log.isDebugEnabled()) {
                log.debug("Add new Vertex object " + envelope.getIdentity() + " to VertexList");
            }
        } else {
            // envelope is clean - just add identity to new order
            newOrder[newOrderIndex++] = envelope.getIdentity();
            if (log.isDebugEnabled()) {
                log.debug("Add unmodified object " + envelope.getIdentity() + " to new OrderList");
            }
        }
    }
    vertices = (Vertex[]) vertexList.toArray(new Vertex[vertexList.size()]);

    // set up the edges
    edgeList = new ArrayList(2 * vertices.length);
    for (int i = 0; i < vertices.length; i++) {
        addEdgesForVertex(vertices[i]);
    }

    if (log.isDebugEnabled()) {
        t2 = System.currentTimeMillis();
        log.debug("Building object envelope graph took " + (t2 - t1) + " ms");
        log.debug("Object envelope graph contains " + vertices.length + " vertices" + " and " + edgeList.size()
                + " edges");
    }

    int remainingVertices = vertices.length;
    int iterationCount = 0;
    while (remainingVertices > 0) {
        // update iteration count
        iterationCount++;

        // update incoming edge counts
        for (Iterator it = edgeList.iterator(); it.hasNext();) {
            Edge edge = (Edge) it.next();
            if (!edge.isProcessed()) {
                if (log.isDebugEnabled()) {
                    final String msg = "Add weight '" + edge.getWeight() + "' for terminal vertex "
                            + edge.getTerminalVertex() + " of edge " + edge;
                    log.debug(msg);
                }
                edge.getTerminalVertex().incrementIncomingEdgeWeight(edge.getWeight());
            }
        }

        // find minimum weight of incoming edges of a vertex
        int minIncomingEdgeWeight = Integer.MAX_VALUE;
        for (int i = 0; i < vertices.length; i++) {
            Vertex vertex = vertices[i];
            if (!vertex.isProcessed() && minIncomingEdgeWeight > vertex.getIncomingEdgeWeight()) {
                minIncomingEdgeWeight = vertex.getIncomingEdgeWeight();
                if (minIncomingEdgeWeight == 0) {
                    // we won't get any lower
                    break;
                }
            }
        }

        // process vertices having minimum incoming edge weight
        int processCount = 0;
        for (int i = 0; i < vertices.length; i++) {
            Vertex vertex = vertices[i];
            if (!vertex.isProcessed() && vertex.getIncomingEdgeWeight() == minIncomingEdgeWeight) {
                newOrder[newOrderIndex++] = vertex.getEnvelope().getIdentity();
                vertex.markProcessed();
                processCount++;
                if (log.isDebugEnabled()) {
                    log.debug("add minimum edge weight - " + minIncomingEdgeWeight + ", newOrderList: "
                            + ArrayUtils.toString(newOrder));
                }
            }
            vertex.resetIncomingEdgeWeight();
        }

        if (log.isDebugEnabled()) {
            log.debug("Processed " + processCount + " of " + remainingVertices
                    + " remaining vertices in iteration #" + iterationCount);
        }
        remainingVertices -= processCount;
    }

    if (log.isDebugEnabled()) {
        t3 = System.currentTimeMillis();
        log.debug("New ordering: " + ArrayUtils.toString(newOrder));
        log.debug("Processing object envelope graph took " + (t3 - t2) + " ms");
    }

}

---

From source file:org.apache.ranger.audit.utils.InMemoryJAASConfiguration.java

@Override
public AppConfigurationEntry[] getAppConfigurationEntry(String name) {
    LOG.trace("==> InMemoryJAASConfiguration.getAppConfigurationEntry( {} )", name);

    AppConfigurationEntry[] ret = null;
    if (parent != null) {
        ret = parent.getAppConfigurationEntry(name);
    }//from w  w  w . ja  va2  s  . com
    if (ret == null || ret.length == 0) {
        List<AppConfigurationEntry> retList = applicationConfigEntryMap.get(name);
        if (retList != null && retList.size() > 0) {
            int sz = retList.size();
            ret = new AppConfigurationEntry[sz];
            ret = retList.toArray(ret);
        }
    }
    LOG.trace("<== InMemoryJAASConfiguration.getAppConfigurationEntry( {} ) : {}", name,
            ArrayUtils.toString(ret));
    return ret;
}

---

From source file:org.apereo.lap.services.BaseInputHandlerService.java

public static BaseInputHandlerService getInputHandler(String type,
        HierarchicalConfiguration sourceConfiguration, ConfigurationService configuration,
        StorageService storage) {/*ww w .  ja v  a2  s.  c  om*/
    if (StringUtils.equalsIgnoreCase(type, BaseInputHandlerService.Type.SAMPLECSV.name())) {
        return new SampleCSVInputHandlerService(configuration, storage, sourceConfiguration);
    }
    if (StringUtils.equalsIgnoreCase(type, BaseInputHandlerService.Type.CSV.name())) {
        return new CSVInputHandlerService(configuration, storage, sourceConfiguration);
    }

    throw new IllegalArgumentException("collection type (" + type + ") does not match the valid types: "
            + ArrayUtils.toString(Type.values()));
}

---

From source file:org.apereo.lap.services.input.BaseInputHandler.java

public static String parseString(String string, String[] valid, boolean cannotBeBlank, String name) {
    boolean blank = StringUtils.isBlank(string);
    if (cannotBeBlank && blank) {
        throw new IllegalArgumentException(name + " (" + string + ") cannot be blank");
    } else if (!blank) {
        if (valid != null && valid.length > 0) {
            if (!ArrayUtils.contains(valid, string)) {
                // invalid if not in the valid set
                throw new IllegalArgumentException(
                        name + " (" + string + ") must be in the valid set: " + ArrayUtils.toString(valid));
            }/*from  w w w  .j  a v  a  2 s  .  co m*/
        }
    }
    return string;
}

---

From source file:org.bdval.ConsensusBDVModel.java

/**
 * Create a model that is a consensus of a number of given juror models.
 * @param modelFilenamePrefix Prefix to use for all files associated with this BDVModel
 * @param jurorModelFilenamePrefixes The prefix to use for the juror models
 *//* w w w.j  a v a 2  s  .  c o  m*/
public ConsensusBDVModel(final String modelFilenamePrefix, final String... jurorModelFilenamePrefixes) {
    super(modelFilenamePrefix);

    if (LOG.isDebugEnabled()) {
        LOG.debug("Creating consensus model with prefix: " + modelFilenamePrefix);
        LOG.debug("Composed of the following juror models");
        LOG.debug(ArrayUtils.toString(jurorModelFilenamePrefixes));
    }

    for (final String jurorModelFilenamePrefix : jurorModelFilenamePrefixes) {
        // remove ".model" or ".zip" extensions
        String prefix = removeSuffix(jurorModelFilenamePrefix, ".model");
        prefix = removeSuffix(prefix, ".zip");
        this.jurorModelFilenamePrefixes.add(prefix);
    }
}

---

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