TopologyBuilder builder = new TopologyBuilder();
builder.setSpout(1, new KestrelSpout("kestrel.backtype.com",
                                     22133,
                                     "sentence_queue",
                                     new StringScheme()));
builder.setBolt(2, new SplitSentence(), 10)
        .shuffleGrouping(1);
builder.setBolt(3, new WordCount(), 20)
        .fieldsGrouping(2, new Fields("word"));