IControlBolt.java

package backtype.storm.topology;

import backtype.storm.task.TopologyContext;
import backtype.storm.tuple.Tuple;

import java.util.Map;

/**
 * @author JohnFang (xiaojian.fxj@alibaba-inc.com).
 */
public interface IControlBolt extends IComponent {
    void prepare(Map stormConf, TopologyContext context, ControlOutputCollector collector);

    /**
     * Process the input tuple and optionally emit new tuples based on the input tuple.
     *
     * All acking is managed for you. Throw a FailedException if you want to fail the tuple.
     */
    void execute(Tuple input);

    void cleanup();
}