| /* |
| * 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 org.apache.ignite.stream.storm; |
| |
| import java.util.Map; |
| import java.util.TreeMap; |
| import org.apache.storm.spout.SpoutOutputCollector; |
| import org.apache.storm.task.TopologyContext; |
| import org.apache.storm.topology.IRichSpout; |
| import org.apache.storm.topology.OutputFieldsDeclarer; |
| import org.apache.storm.tuple.Fields; |
| |
| /** |
| * Testing Storm spout. |
| */ |
| public class TestStormSpout implements IRichSpout { |
| |
| /** Field by which tuple data is obtained by the streamer. */ |
| public static final String IGNITE_TUPLE_FIELD = "test-field"; |
| |
| /** Number of outgoing tuples. */ |
| public static final int CNT = 500; |
| |
| /** Spout message prefix. */ |
| private static final String VAL_PREFIX = "v:"; |
| |
| /** Spout output collector. */ |
| private SpoutOutputCollector collector; |
| |
| /** Map of messages to be sent. */ |
| private static TreeMap<Integer, String> keyValMap; |
| |
| static { |
| keyValMap = generateKeyValMap(); |
| } |
| |
| /** |
| * Declares the output field for the component. |
| * |
| * @param outputFieldsDeclarer Declarer to declare fields on. |
| */ |
| @Override public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) { |
| outputFieldsDeclarer.declare(new Fields(IGNITE_TUPLE_FIELD)); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override public void open(Map map, TopologyContext topologyContext, SpoutOutputCollector spoutOutputCollector) { |
| this.collector = spoutOutputCollector; |
| } |
| |
| /** |
| * Requests to emit a tuple to the output collector. |
| */ |
| @Override public void nextTuple() { |
| // No-op. Sent via mocked sources. |
| } |
| |
| /** |
| * Generates key,value pair to emit to bolt({@link StormStreamer}). |
| * |
| * @return Key, value pair. |
| */ |
| private static TreeMap<Integer, String> generateKeyValMap() { |
| TreeMap<Integer, String> keyValMap = new TreeMap<>(); |
| |
| for (int evt = 0; evt < CNT; evt++) { |
| String msg = VAL_PREFIX + evt; |
| |
| keyValMap.put(evt, msg); |
| } |
| |
| return keyValMap; |
| } |
| |
| public static TreeMap<Integer, String> getKeyValMap() { |
| return keyValMap; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override public void ack(Object msgId) { |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override public void fail(Object msgId) { |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override public void close() { |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override public void activate() { |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override public void deactivate() { |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override public Map<String, Object> getComponentConfiguration() { |
| return null; |
| } |
| } |