SleepSpoutWaitStrategy.java

package backtype.storm.spout;

import backtype.storm.Config;
import java.util.Map;

public class SleepSpoutWaitStrategy implements ISpoutWaitStrategy {

	long sleepMillis;

	@Override
	public void prepare(Map conf) {
		sleepMillis = ((Number) conf
				.get(Config.TOPOLOGY_SLEEP_SPOUT_WAIT_STRATEGY_TIME_MS))
				.longValue();
	}

	@Override
	public void emptyEmit(long streak) {
		try {
			Thread.sleep(sleepMillis);
		} catch (InterruptedException e) {
			throw new RuntimeException(e);
		}
	}
}