/**
* 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.alipay.dw.jstorm.example.tm;
import java.util.Map;
import backtype.storm.spout.SpoutOutputCollector;
import backtype.storm.task.TopologyContext;
import backtype.storm.topology.IRichSpout;
import backtype.storm.topology.OutputFieldsDeclarer;
import backtype.storm.tuple.Values;
import com.alibaba.jstorm.task.master.TopologyMaster;
import com.alibaba.jstorm.utils.JStormUtils;
import com.alipay.dw.jstorm.example.tm.TMUdfHandler.TMUdfMessage;;
public class TMUdfSpout implements IRichSpout {
private int topologyMasterId;
private int spoutTaskId;
SpoutOutputCollector collector;
@Override
public void open(Map conf, TopologyContext context, SpoutOutputCollector collector) {
this.topologyMasterId = context.getTopologyMasterId();
this.spoutTaskId = context.getThisTaskId();
this.collector = collector;
}
@Override
public void close() {
}
@Override
public void activate() {
}
@Override
public void deactivate() {
}
@Override
public void nextTuple() {
TMUdfMessage message = new TMUdfMessage(spoutTaskId);
collector.emitDirectCtrl(topologyMasterId, TopologyMaster.USER_DEFINED_STREAM, new Values(message));
JStormUtils.sleepMs(10000);
}
@Override
public void ack(Object msgId) {
}
@Override
public void fail(Object msgId) {
}
@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
}
@Override
public Map<String, Object> getComponentConfiguration() {
return null;
}
}