CountMetric.java

package backtype.storm.metric.api;

import backtype.storm.metric.api.IMetric;

public class CountMetric implements IMetric {
	long _value = 0;

	public CountMetric() {
	}

	public void incr() {
		_value++;
	}

	public void incrBy(long incrementBy) {
		_value += incrementBy;
	}

	public Object getValueAndReset() {
		long ret = _value;
		_value = 0;
		return ret;
	}
}