/** * 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.flink.storm.print; import org.apache.storm.Config; import org.apache.storm.topology.TopologyBuilder; import org.apache.storm.utils.Utils; import org.apache.flink.storm.api.FlinkLocalCluster; import org.apache.flink.storm.api.FlinkTopology; import org.apache.storm.starter.bolt.PrinterBolt; import org.apache.storm.starter.spout.TwitterSampleSpout; import java.util.Arrays; /** * Prints incoming tweets. Tweets can be filtered by keywords. */ public class PrintSampleStream { public static void main(String[] args) throws Exception { if (args.length < 4) { System.err.println( "Usage: PrintSampleStream <consumer-key> <consumer-secret> <access-token> <access-token-secret>"); return; } String consumerKey = args[0]; String consumerSecret = args[1]; String accessToken = args[2]; String accessTokenSecret = args[3]; // keywords start with the 5th parameter String[] keyWords = Arrays.copyOfRange(args, 4, args.length); TopologyBuilder builder = new TopologyBuilder(); builder.setSpout("twitter", new TwitterSampleSpout(consumerKey, consumerSecret, accessToken, accessTokenSecret, keyWords)); builder.setBolt("print", new PrinterBolt()) .shuffleGrouping("twitter"); Config conf = new Config(); final FlinkLocalCluster cluster = FlinkLocalCluster.getLocalCluster(); cluster.submitTopology("Print", conf, FlinkTopology.createTopology(builder)); Utils.sleep(10 * 1000); cluster.shutdown(); } }