DelegatedBolt.java

package resa.topology;

import backtype.storm.task.OutputCollector;
import backtype.storm.task.TopologyContext;
import backtype.storm.topology.IRichBolt;
import backtype.storm.topology.OutputFieldsDeclarer;
import backtype.storm.tuple.Tuple;

import java.util.Map;

/**
 * Created by ding on 14-6-9.
 */
public class DelegatedBolt implements IRichBolt {

    private IRichBolt delegate;

    public DelegatedBolt(IRichBolt delegate) {
        this.delegate = delegate;
    }

    @Override
    public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) {
        delegate.prepare(stormConf, context, collector);
    }

    @Override
    public void execute(Tuple input) {
        delegate.execute(input);
    }

    @Override
    public void cleanup() {
        delegate.cleanup();
    }

    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {
        delegate.declareOutputFields(declarer);
    }

    @Override
    public Map<String, Object> getComponentConfiguration() {
        return delegate.getComponentConfiguration();
    }

    public IRichBolt getDelegate() {
        return delegate;
    }
}