| /** |
| * 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.storm.redis.trident; |
| |
| import java.net.InetSocketAddress; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.storm.Config; |
| import org.apache.storm.StormSubmitter; |
| import org.apache.storm.generated.StormTopology; |
| import org.apache.storm.redis.common.config.JedisClusterConfig; |
| import org.apache.storm.redis.common.mapper.RedisLookupMapper; |
| import org.apache.storm.redis.common.mapper.RedisStoreMapper; |
| import org.apache.storm.redis.trident.state.RedisClusterState; |
| import org.apache.storm.redis.trident.state.RedisClusterStateQuerier; |
| import org.apache.storm.redis.trident.state.RedisClusterStateUpdater; |
| import org.apache.storm.trident.Stream; |
| import org.apache.storm.trident.TridentState; |
| import org.apache.storm.trident.TridentTopology; |
| import org.apache.storm.trident.testing.FixedBatchSpout; |
| import org.apache.storm.tuple.Fields; |
| import org.apache.storm.tuple.Values; |
| |
| public class WordCountTridentRedisCluster { |
| |
| public static StormTopology buildTopology(String redisHostPort) { |
| Fields fields = new Fields("word", "count"); |
| FixedBatchSpout spout = new FixedBatchSpout(fields, 4, |
| new Values("storm", 1), |
| new Values("trident", 1), |
| new Values("needs", 1), |
| new Values("javadoc", 1) |
| ); |
| spout.setCycle(true); |
| |
| Set<InetSocketAddress> nodes = new HashSet<InetSocketAddress>(); |
| for (String hostPort : redisHostPort.split(",")) { |
| String[] hostPortSplit = hostPort.split(":"); |
| nodes.add(new InetSocketAddress(hostPortSplit[0], Integer.valueOf(hostPortSplit[1]))); |
| } |
| JedisClusterConfig clusterConfig = new JedisClusterConfig.Builder().setNodes(nodes) |
| .build(); |
| |
| RedisStoreMapper storeMapper = new WordCountStoreMapper(); |
| RedisLookupMapper lookupMapper = new WordCountLookupMapper(); |
| RedisClusterState.Factory factory = new RedisClusterState.Factory(clusterConfig); |
| |
| TridentTopology topology = new TridentTopology(); |
| Stream stream = topology.newStream("spout1", spout); |
| |
| stream.partitionPersist(factory, |
| fields, |
| new RedisClusterStateUpdater(storeMapper).withExpire(86400000), |
| new Fields()); |
| |
| TridentState state = topology.newStaticState(factory); |
| stream = stream.stateQuery(state, new Fields("word"), |
| new RedisClusterStateQuerier(lookupMapper), |
| new Fields("columnName", "columnValue")); |
| stream.each(new Fields("word", "columnValue"), new PrintFunction(), new Fields()); |
| return topology.build(); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| if (args.length != 1) { |
| System.out.println("Usage: WordCountTrident 127.0.0.1:6379,127.0.0.1:6380"); |
| System.exit(1); |
| } |
| |
| String redisHostPort = args[0]; |
| |
| Config conf = new Config(); |
| conf.setMaxSpoutPending(5); |
| conf.setNumWorkers(3); |
| StormSubmitter.submitTopology("test_wordCounter_for_redis", conf, buildTopology(redisHostPort)); |
| } |
| |
| } |