/**
* 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.batch;
import backtype.storm.task.TopologyContext;
import backtype.storm.topology.BasicOutputCollector;
import backtype.storm.topology.FailedException;
import backtype.storm.topology.IBasicBolt;
import backtype.storm.topology.OutputFieldsDeclarer;
import backtype.storm.tuple.Fields;
import backtype.storm.tuple.Tuple;
import com.alibaba.jstorm.batch.BatchId;
import com.alibaba.jstorm.batch.ICommitter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Map;
/**
* @author binyang.dby on 2016/7/20.
*/
public class SimpleBatchTestBolt implements IBasicBolt, ICommitter
{
private static final Logger LOG = LoggerFactory.getLogger(SimpleBatchTestBolt.class);
private BatchId currentBatchId;
@Override
public void prepare(Map map, TopologyContext topologyContext) {
}
@Override
public void execute(Tuple tuple, BasicOutputCollector basicOutputCollector) {
BatchId id = (BatchId) tuple.getValue(0);
Long value = tuple.getLong(1);
System.out.println("SimpleBatchTestBolt #execute id = " + id + " value = " + value);
}
@Override
public void cleanup() {
}
@Override
public byte[] commit(BatchId batchId) throws FailedException {
System.out.println("SimpleBatchTestBolt #commit");
// LOG.info("$$$$Receive BatchId " + batchId);
// if (currentBatchId == null) {
// currentBatchId = batchId;
// } else if (currentBatchId.getId() >= batchId.getId()) {
// LOG.info("Current BatchId is " + currentBatchId + ", receive:" + batchId);
// throw new RuntimeException();
// }
// currentBatchId = batchId;
//AtomicLong counter = (AtomicLong) counters.remove(batchId);
// if (counter == null) {
// counter = new AtomicLong(0);
// }
// LOG.info("Flush " + id + "," + counter);
// return Utils.serialize(batchId);
return null;
}
@Override
public void revert(BatchId batchId, byte[] bytes) {
System.out.println("SimpleBatchTestBolt #revert");
}
@Override
public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
outputFieldsDeclarer.declare(new Fields("BatchId", "counters"));
}
@Override
public Map<String, Object> getComponentConfiguration() {
return null;
}
}