/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jstorm.example.unittests.tick;
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 backtype.storm.utils.TupleHelpers;
import com.alibaba.jstorm.common.metric.AsmCounter;
import com.alibaba.jstorm.common.metric.AsmMeter;
import com.alibaba.jstorm.metric.MetricClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Map;
/**
* @author binyang.dby on 2016/7/21.
*/
public class TickTupleTestBolt implements IRichBolt{
private Logger LOG = LoggerFactory.getLogger(TickTupleTestBolt.class);
private MetricClient metricClient;
private AsmCounter nonTickCounter;
private AsmMeter tickMeter;
private long lastMills = 0;
@Override
public void prepare(Map map, TopologyContext topologyContext, OutputCollector outputCollector) {
this.metricClient = new MetricClient(topologyContext);
this.nonTickCounter = metricClient.registerCounter("TickTupleTest.NonTickCounter");
this.tickMeter = metricClient.registerMeter("TickTupleTest.TickMeter");
}
@Override
public void execute(Tuple tuple) {
if(TupleHelpers.isTickTuple(tuple)) {
LOG.info("Tick! Seconds from last receive = " + (System.currentTimeMillis() - lastMills)/1000f);
lastMills = System.currentTimeMillis();
tickMeter.mark();
}
else
nonTickCounter.inc();
}
@Override
public void cleanup() {
}
@Override
public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
}
@Override
public Map<String, Object> getComponentConfiguration() {
return null;
}
}