package com.github.purplepapa.Storm_Simple_Crawler; import java.util.HashMap; import java.util.Map; import backtype.storm.task.OutputCollector; import backtype.storm.task.TopologyContext; import backtype.storm.topology.OutputFieldsDeclarer; import backtype.storm.topology.base.BaseRichBolt; import backtype.storm.tuple.Fields; import backtype.storm.tuple.Tuple; import backtype.storm.tuple.Values; public class SimpleFetcherBolt extends BaseRichBolt { private OutputCollector collector; public void prepare(Map config, TopologyContext context, OutputCollector collector) { this.collector = collector; } public void execute(Tuple tuple) { } public void declareOutputFields(OutputFieldsDeclarer declarer) { } }