/** * 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; } }