Example usage for org.apache.commons.lang StringUtils join

Introduction

In this page you can find the example usage for org.apache.commons.lang StringUtils join.

Prototype

public static String join(Collection<?> collection, String separator)

Source Link

Document

Joins the elements of the provided Collection into a single String containing the provided elements.

Usage

From source file:com.spotify.hdfs2cass.CassandraPartitionerTest.java

@Test
public void testGetPartition() throws Exception {
    final int maxNodes = 5;

    final List<String> tokenRanges = new ArrayList<String>();

    BigInteger start = BigInteger.ZERO;
    BigInteger step = RandomPartitioner.MAXIMUM.divide(BigInteger.valueOf(maxNodes));
    for (int i = 0; i < maxNodes - 1; i++) {
        BigInteger end = start.add(step);

        tokenRanges.add(String.format("%d:%d", start, end));
        start = end.add(BigInteger.ONE);
    }//from  w  w  w.j a v  a  2  s  .  c  o m

    tokenRanges.add(String.format("%d:0", start));

    final JobConf conf = new JobConf();
    conf.set(ClusterInfo.SPOTIFY_CASSANDRA_TOKENS_PARAM, StringUtils.join(tokenRanges, ","));
    conf.set(ClusterInfo.SPOTIFY_CASSANDRA_PARTITIONER_PARAM, "org.apache.cassandra.dht.RandomPartitioner");

    CassandraPartitioner instance = new CassandraPartitioner();
    instance.configure(conf);

    Text key = new Text("foobar");
    assertEquals(2, instance.getPartition(key, null, 5));

    key = new Text("someotherkey");
    assertEquals(1, instance.getPartition(key, null, 5));

    key = new Text("1ce5cf4b861941f4aa799ae39ac9daa4");
    assertEquals(4, instance.getPartition(key, null, 5));
}

From source file:com.delphix.session.module.rmi.impl.RmiMethodOrdering.java

public RmiMethodOrdering(Class<?> clazz) {
    Map<String, Method> methodMap = Maps.newHashMap();
    for (Method m : clazz.getMethods()) {
        List<String> paramNames = Lists.newArrayList();
        for (Class<?> paramType : m.getParameterTypes()) {
            paramNames.add(paramType.getCanonicalName());
        }//  w ww  . j av a 2 s . co m
        String str = String.format("%s(%s)", m.getName(), StringUtils.join(paramNames, ", "));
        methodMap.put(str, m);
    }

    List<String> sortedNames = new ArrayList<String>(methodMap.keySet());
    Collections.sort(sortedNames);

    for (String name : sortedNames) {
        Method m = methodMap.get(name);
        placement.put(m, methods.size());
        methods.add(m);
    }
}

From source file:mitm.common.util.RegExprUtilsTest.java

@Test
public void testSplitRegExp() {
    assertEquals("test,1234", StringUtils.join(RegExprUtils.splitRegExp("/test/ 1234"), ","));
    assertEquals(" test , 1234 ", StringUtils.join(RegExprUtils.splitRegExp(" / test /  1234 "), ","));
    assertEquals(",", StringUtils.join(RegExprUtils.splitRegExp("//"), ","));
    assertEquals("test,", StringUtils.join(RegExprUtils.splitRegExp("/test/"), ","));
    assertEquals("test,/1234/", StringUtils.join(RegExprUtils.splitRegExp("/test/ /1234/"), ","));
}

From source file:com.github.hexocraft.random.items.command.RiCommandDelete.java

public RiCommandDelete(RandomItemsPlugin plugin) {
    super("delete", plugin);
    this.setAliases(Lists.newArrayList("d"));
    this.setDescription(StringUtils.join(plugin.messages.cDelete, "\n"));
    this.setPermission(Permissions.CREATE.toString());

    this.addArgument(new CommandArgument<String>("name", ArgTypeRandomPool.get(), true, true,
            plugin.messages.cDeleteArgName));
}

From source file:com.healthcit.cacure.test.AbstractIntegrationTestCase.java

protected boolean existsInDb(final String tableName, final Long... id) {
    return 0 < simpleJdbcTemplate.queryForInt(
            "select count(*) from " + tableName + " where id in (" + StringUtils.join(id, ",") + ")");
}

From source file:com.netflix.paas.cassandra.keys.KeyspaceKey.java

public KeyspaceKey(ClusterKey clusterKey, String keyspaceName) {
    this.clusterKey = clusterKey;
    this.keyspaceName = keyspaceName;
    this.schemaName = StringUtils.join(new String[] { clusterKey.getClusterName(), keyspaceName }, ".");
}

From source file:com.amazonaws.mturk.addon.HITDataWriter.java

protected synchronized void writeLinePrivate(String[] fieldValues) throws IOException {

    if (fieldValues == null || fieldValues.length == 0) {
        throw new IllegalArgumentException("fieldValues is empty.");
    }/*from w  w w  . ja  v  a  2 s  .  co m*/

    String output = StringUtils.join(fieldValues, delim);

    getFile().saveString(output + "\n", true); // append
}

From source file:com.bigdata.dastor.streaming.StreamOut.java

/**
 * Split out files for all tables on disk locally for each range and then stream them to the target endpoint.
*/// ww w  .  j  av  a2s . c  o  m
public static void transferRanges(InetAddress target, String tableName, Collection<Range> ranges,
        Runnable callback) {
    assert ranges.size() > 0;

    logger.debug("Beginning transfer process to " + target + " for ranges " + StringUtils.join(ranges, ", "));

    /*
     * (1) dump all the memtables to disk.
     * (2) anticompaction -- split out the keys in the range specified
     * (3) transfer the data.
    */
    try {
        Table table = Table.open(tableName);
        logger.info("Flushing memtables for " + tableName + "...");
        for (Future f : table.flush()) {
            try {
                f.get();
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            } catch (ExecutionException e) {
                throw new RuntimeException(e);
            }
        }
        logger.info("Performing anticompaction ...");
        /* Get the list of files that need to be streamed */
        transferSSTables(target, table.forceAntiCompaction(ranges, target), tableName); // SSTR GC deletes the file when done
    } catch (IOException e) {
        throw new IOError(e);
    } finally {
        StreamOutManager.remove(target);
    }
    if (callback != null)
        callback.run();
}

From source file:com.baifendian.swordfish.execserver.job.storm.StormSubmitArgsUtil.java

private static List<String> jarArgs(StormJarParam stormJarParam) {
    List<String> args = new ArrayList<>();
    args.add(JAR);//from w  w w  .  ja v a 2  s.  c  o  m

    //add mainJar
    args.add(stormJarParam.getMainJar().getRes());

    //add mainClass
    args.add(stormJarParam.getMainClass());

    //add Jars
    List<ResourceInfo> jars = stormJarParam.getJars();
    if (CollectionUtils.isNotEmpty(jars)) {
        args.add(JARS);
        args.add(StringUtils.join(jars.stream().map(p -> p.getRes()).toArray(), ","));
    }

    if (StringUtils.isNotEmpty(stormJarParam.getArgs())) {
        args.add(stormJarParam.getArgs());
    }

    if (StringUtils.isNotEmpty(stormJarParam.getArtifacts())) {
        args.add(ARTIFACTS);
        args.add(stormJarParam.getArtifacts());
    }

    if (StringUtils.isNotEmpty(stormJarParam.getArtifactRepositories())) {
        args.add(ARTIFACTREPOSITORIES);
        args.add(stormJarParam.getArtifactRepositories());
    }

    return args;

}

From source file:azkaban.flow.GroupedFlow.java

@Override
public String getName() {
    return StringUtils.join(Iterables.transform(Arrays.asList(flows), new Function<Flow, String>() {
        @Override//from ww w.  jav  a2  s . c o  m
        public String apply(Flow flow) {
            return flow.getName();
        }
    }).iterator(), " + ");
}