package backtype.storm.testing;
import backtype.storm.topology.base.BaseRichBolt;
import backtype.storm.task.OutputCollector;
import backtype.storm.topology.OutputFieldsDeclarer;
import backtype.storm.tuple.Tuple;
import backtype.storm.tuple.Fields;
import java.util.Map;
import backtype.storm.task.TopologyContext;
import org.apache.log4j.Logger;
import static backtype.storm.utils.Utils.tuple;
public class TestGlobalCount extends BaseRichBolt {
public static Logger LOG = Logger.getLogger(TestWordCounter.class);
private int _count;
OutputCollector _collector;
public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) {
_collector = collector;
_count = 0;
}
public void execute(Tuple input) {
_count++;
_collector.emit(tuple(_count));
_collector.ack(input);
}
public void cleanup() {
}
public Fields getOutputFields() {
return new Fields("global-count");
}
public void declareOutputFields(OutputFieldsDeclarer declarer) {
declarer.declare(new Fields("global-count"));
}
}