| // Copyright 2016 Twitter. All rights reserved. |
| // |
| // Licensed 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.twitter.heron.spi.utils; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import com.twitter.heron.api.Config; |
| import com.twitter.heron.api.HeronTopology; |
| import com.twitter.heron.api.bolt.BaseBasicBolt; |
| import com.twitter.heron.api.bolt.BasicOutputCollector; |
| import com.twitter.heron.api.generated.TopologyAPI; |
| import com.twitter.heron.api.spout.BaseRichSpout; |
| import com.twitter.heron.api.spout.SpoutOutputCollector; |
| import com.twitter.heron.api.topology.BoltDeclarer; |
| import com.twitter.heron.api.topology.OutputFieldsDeclarer; |
| import com.twitter.heron.api.topology.TopologyBuilder; |
| import com.twitter.heron.api.topology.TopologyContext; |
| import com.twitter.heron.api.tuple.Fields; |
| import com.twitter.heron.api.tuple.Tuple; |
| |
| public final class TopologyTests { |
| |
| private TopologyTests() { |
| } |
| |
| /** |
| * Create Topology proto object using HeronSubmitter API. |
| * |
| * @param heronConfig desired config params. |
| * @param spouts spoutName -> parallelism |
| * @param bolts boltName -> parallelism |
| * @param connections connect default stream from value to key. |
| * @return topology proto. |
| */ |
| public static TopologyAPI.Topology createTopologyWithConnection( |
| String topologyName, |
| Config heronConfig, |
| Map<String, Integer> spouts, |
| Map<String, Integer> bolts, |
| Map<String, String> connections) { |
| TopologyBuilder builder = new TopologyBuilder(); |
| BaseRichSpout baseSpout = new BaseRichSpout() { |
| private static final long serialVersionUID = -719523487475322625L; |
| |
| public void declareOutputFields(OutputFieldsDeclarer declarer) { |
| declarer.declare(new Fields("field1")); |
| } |
| |
| public void open( |
| Map<String, Object> conf, |
| TopologyContext context, |
| SpoutOutputCollector collector) { |
| } |
| |
| public void nextTuple() { |
| } |
| }; |
| BaseBasicBolt basicBolt = new BaseBasicBolt() { |
| private static final long serialVersionUID = 2544765902130713628L; |
| |
| public void execute(Tuple input, BasicOutputCollector collector) { |
| } |
| |
| public void declareOutputFields(OutputFieldsDeclarer declarer) { |
| } |
| }; |
| |
| for (String spout : spouts.keySet()) { |
| builder.setSpout(spout, baseSpout, spouts.get(spout)); |
| } |
| |
| for (String bolt : bolts.keySet()) { |
| BoltDeclarer boltDeclarer = builder.setBolt(bolt, basicBolt, bolts.get(bolt)); |
| if (connections.containsKey(bolt)) { |
| boltDeclarer.shuffleGrouping(connections.get(bolt)); |
| } |
| } |
| |
| HeronTopology heronTopology = builder.createTopology(); |
| |
| return heronTopology. |
| setName(topologyName). |
| setConfig(heronConfig). |
| setState(TopologyAPI.TopologyState.RUNNING). |
| getTopology(); |
| } |
| |
| public static TopologyAPI.Topology createTopology(String topologyName, |
| Config heronConfig, |
| Map<String, Integer> spouts, |
| Map<String, Integer> bolts) { |
| return createTopologyWithConnection( |
| topologyName, heronConfig, spouts, bolts, new HashMap<String, String>()); |
| } |
| } |