/**
* 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.order;
import backtype.storm.task.TopologyContext;
import backtype.storm.topology.BasicOutputCollector;
import backtype.storm.topology.OutputFieldsDeclarer;
import backtype.storm.topology.base.BaseBasicBolt;
import backtype.storm.tuple.Tuple;
import com.alibaba.jstorm.common.metric.AsmCounter;
import com.alibaba.jstorm.common.metric.AsmMetric;
import com.alibaba.jstorm.metric.MetricClient;
import java.util.HashMap;
import java.util.Map;
/**
* @author binyang.dby
*/
public class InOrderTestBolt extends BaseBasicBolt
{
private Map<Integer, Integer> expected = new HashMap<>(); //store the taskIndex and the content has received before.
private transient MetricClient metricClient;
private transient AsmCounter successCounter;
private transient AsmCounter failCounter;
@Override
public void prepare(Map stormConf, TopologyContext context)
{
super.prepare(stormConf, context);
metricClient = new MetricClient(context);
successCounter = metricClient.registerCounter(InOrderTestMetricsDef.METRIC_BOLT_SUCCESS);
successCounter.setOp(AsmMetric.MetricOp.LOG & AsmMetric.MetricOp.REPORT);
failCounter = metricClient.registerCounter(InOrderTestMetricsDef.METRIC_BOLT_FAIL);
failCounter.setOp(AsmMetric.MetricOp.LOG & AsmMetric.MetricOp.REPORT);
}
@Override
public void execute(Tuple input, BasicOutputCollector collector) {
Integer c1 = input.getInteger(0);
Integer c2 = input.getInteger(1);
Integer expect = expected.get(c1);
if (expect == null)
expect = 0;
if (c2.intValue() == expect.intValue())
successCounter.inc();
else
failCounter.inc();
expect = c2 + 1;
expected.put(c1, expect);
}
@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
}
}