Example usage for org.apache.commons.lang RandomStringUtils randomAlphanumeric

Introduction

In this page you can find the example usage for org.apache.commons.lang RandomStringUtils randomAlphanumeric.

Prototype

public static String randomAlphanumeric(int count)

Source Link

Document

Creates a random string whose length is the number of characters specified.

Characters will be chosen from the set of alpha-numeric characters.

Usage

From source file:org.apache.tez.history.TestATSFileParser.java

/**
 * Create sample file for wordcount program
 *
 * @param inputLoc/*from w w w  . j  a v  a  2  s  .  com*/
 * @throws IOException
 */
private static void createSampleFile(Path inputLoc) throws IOException {
    fs.deleteOnExit(inputLoc);
    FSDataOutputStream out = fs.create(inputLoc);
    BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out));
    for (int i = 0; i < 10; i++) {
        writer.write("Sample " + RandomStringUtils.randomAlphanumeric(5));
        writer.newLine();
    }
    writer.close();
}

From source file:org.apache.tez.mapreduce.examples.TestOrderedWordCount.java

private void setMaxDataLengthConf(Configuration config, int maxDataLengthThroughIPC, int exceedDataLimit) {
    /**//from   w w  w .j  a va 2s. c  om
     * if -Dtez.testorderedwordcount.ipc.maximum.data.length is set by user,
     * this function sets necessary configurations as below:
     * IS_MAX_IPC_DATA_SET_BY_USER is set to true
     * EXCEED_IPC_DATA_LIMIT = <N> MB is used to test successful dag submission when MAX_IPC_DATA_LENGTH exceeds by N
     * Each vertex processor payload can be set to IPC_PAYLOAD so that the cumulative dag payload exceeds
     * the tez.testorderedwordcount.ipc.maximum.data.length set
     */
    if (maxDataLengthThroughIPC > 0) {
        config.setBoolean(IS_MAX_IPC_DATA_SET_BY_USER, true);
        config.setInt(EXCEED_IPC_DATA_LIMIT, exceedDataLimit);
        int payloadSize;
        payloadSize = (((maxDataLengthThroughIPC * 1024 * 1024) + (exceedDataLimit * 1024 * 1024))
                / NO_OF_VERTICES);
        String payload = RandomStringUtils.randomAlphanumeric(payloadSize);
        config.set(IPC_PAYLOAD, payload);
    }
}

From source file:org.apache.tez.runtime.library.common.sort.impl.dflt.TestDefaultSorter.java

private static Text[] generateData(int numKeys, int keyLen) {
    Text[] ret = new Text[numKeys];
    for (int i = 0; i < numKeys; i++) {
        ret[i] = new Text(RandomStringUtils.randomAlphanumeric(keyLen));
    }/*from  w w w .  j  a  v  a2 s  .  co  m*/
    return ret;
}

From source file:org.apache.tez.runtime.library.common.sort.impl.TestPipelinedSorter.java

public void testLargeDataWithMixedKV() throws IOException {
    this.numOutputs = 1;
    this.initialAvailableMem = 48 * 1024 * 1024;
    conf.setBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_ENABLE_FINAL_MERGE_IN_OUTPUT, true);
    PipelinedSorter sorter = new PipelinedSorter(this.outputContext, conf, numOutputs, initialAvailableMem);

    //write 10 MB KV
    Text key = new Text(RandomStringUtils.randomAlphanumeric(10 << 20));
    Text value = new Text(RandomStringUtils.randomAlphanumeric(10 << 20));
    sorter.write(key, value);// w  w  w .  j ava 2  s. c  o m

    //write 24 MB KV. This should cause single record spill
    key = new Text(RandomStringUtils.randomAlphanumeric(24 << 20));
    value = new Text(RandomStringUtils.randomAlphanumeric(24 << 20));
    sorter.write(key, value);

    //write 10 MB KV
    key = new Text(RandomStringUtils.randomAlphanumeric(10 << 20));
    value = new Text(RandomStringUtils.randomAlphanumeric(10 << 20));
    sorter.write(key, value);

    sorter.flush();
    sorter.close();
    verifyOutputPermissions(outputContext.getUniqueIdentifier());
}

From source file:org.apache.tez.runtime.library.common.sort.impl.TestPipelinedSorter.java

private void writeData2(ExternalSorter sorter, int[] numKeys, int[] keyLen) throws IOException {
    sortedDataMap.clear();//from   w ww.j a  v  a 2s .  c o m
    int counter = 0;
    for (int numkey : numKeys) {
        int curKeyLen = keyLen[counter];
        for (int i = 0; i < numkey; i++) {
            Text key = new Text(RandomStringUtils.randomAlphanumeric(curKeyLen));
            Text value = new Text(RandomStringUtils.randomAlphanumeric(curKeyLen));
            sorter.write(key, value);
        }
        counter++;
    }
    sorter.flush();
    sorter.close();
    verifyOutputPermissions(outputContext.getUniqueIdentifier());
}

From source file:org.apache.tez.runtime.library.common.sort.impl.TestPipelinedSorter.java

private void writeSimilarKeys(ExternalSorter sorter, int numKeys, int keyLen, boolean autoClose)
        throws IOException {
    sortedDataMap.clear();/*w  w w.  j  a v  a  2  s .c  o  m*/
    String keyStr = RandomStringUtils.randomAlphanumeric(keyLen);
    for (int i = 0; i < numKeys; i++) {
        if (i % 4 == 0) {
            keyStr = RandomStringUtils.randomAlphanumeric(keyLen);
        }
        Text key = new Text(keyStr);
        Text value = new Text(RandomStringUtils.randomAlphanumeric(keyLen));
        sorter.write(key, value);
        sortedDataMap.put(key.toString(), value.toString()); //for verifying data later
    }
    if (autoClose) {
        closeSorter(sorter);
    }
}

From source file:org.apache.tez.runtime.library.common.sort.impl.TestPipelinedSorter.java

private void writeData(ExternalSorter sorter, int numKeys, int keyLen, boolean autoClose) throws IOException {
    sortedDataMap.clear();/*from   w  ww.j  ava  2  s  . c  o  m*/
    for (int i = 0; i < numKeys; i++) {
        Text key = new Text(RandomStringUtils.randomAlphanumeric(keyLen));
        Text value = new Text(RandomStringUtils.randomAlphanumeric(keyLen));
        sorter.write(key, value);
        sortedDataMap.put(key.toString(), value.toString()); //for verifying data later
    }
    if (autoClose) {
        closeSorter(sorter);
    }
}

From source file:org.apache.usergrid.cassandra.CassandraResource.java

/**
 * Uses a project.properties file that Maven does substitution on to to replace the value of a property with the
 * path to the Maven build directory (a.k.a. target). It then uses this path to generate a random String which it
 * uses to append a path component to so a unique directory is selected. If already present it's deleted, then the
 * directory is created./*from  www  .  j  a v  a 2  s  . co  m*/
 *
 * @return a unique temporary directory
 *
 * @throws IOException if we cannot access the properties file
 */
public static File getTempDirectory() throws IOException {
    File tmpdir;
    Properties props = new Properties();
    props.load(ClassLoader.getSystemResourceAsStream(PROPERTIES_FILE));
    File basedir = new File((String) props.get(TARGET_DIRECTORY_KEY));
    String comp = RandomStringUtils.randomAlphanumeric(7);
    tmpdir = new File(basedir, comp);

    if (tmpdir.exists()) {
        LOG.info("Deleting directory: {}", tmpdir);
        FileUtils.forceDelete(tmpdir);
    } else {
        LOG.info("Creating temporary directory: {}", tmpdir);
        FileUtils.forceMkdir(tmpdir);
    }

    return tmpdir;
}

From source file:org.apache.usergrid.management.export.ExportServiceIT.java

@Before
public void before() {

    boolean configured = !StringUtils.isEmpty(System.getProperty(SDKGlobalConfiguration.SECRET_KEY_ENV_VAR))
            && !StringUtils.isEmpty(System.getProperty(SDKGlobalConfiguration.ACCESS_KEY_ENV_VAR))
            && !StringUtils.isEmpty(System.getProperty("bucketName"));

    if (!configured) {
        logger.warn(/*from  w ww  .ja  v a 2s  .  com*/
                "Skipping test because {}, {} and bucketName not "
                        + "specified as system properties, e.g. in your Maven settings.xml file.",
                new Object[] { SDKGlobalConfiguration.SECRET_KEY_ENV_VAR,
                        SDKGlobalConfiguration.ACCESS_KEY_ENV_VAR });
    }

    Assume.assumeTrue(configured);

    adminUser = newOrgAppAdminRule.getAdminInfo();
    organization = newOrgAppAdminRule.getOrganizationInfo();
    applicationId = newOrgAppAdminRule.getApplicationInfo().getId();

    bucketPrefix = System.getProperty("bucketName");
    bucketName = bucketPrefix + RandomStringUtils.randomAlphanumeric(10).toLowerCase();
}