| package org.apache.samoa.flink; |
| |
| /* |
| * #%L |
| * SAMOA |
| * %% |
| * Copyright (C) 2014 - 2015 Apache Software Foundation |
| * %% |
| * 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. |
| * #L% |
| */ |
| |
| import com.github.javacliparser.ClassOption; |
| |
| import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; |
| import org.apache.samoa.flink.topology.impl.FlinkComponentFactory; |
| import org.apache.samoa.flink.topology.impl.FlinkTopology; |
| import org.apache.samoa.tasks.Task; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.*; |
| |
| |
| /** |
| * Main class to run a SAMOA on Apache Flink |
| */ |
| public class FlinkDoTask { |
| |
| private static final Logger logger = LoggerFactory.getLogger(FlinkDoTask.class); |
| |
| |
| public static void main(String[] args) throws Exception { |
| List<String> tmpArgs = new ArrayList<String>(Arrays.asList(args)); |
| |
| args = tmpArgs.toArray(new String[0]); |
| |
| // Init Task |
| StringBuilder cliString = new StringBuilder(); |
| for (int i = 0; i < args.length; i++) { |
| cliString.append(" ").append(args[i]); |
| } |
| logger.debug("Command line string = {}", cliString.toString()); |
| System.out.println("Command line string = " + cliString.toString()); |
| |
| Task task; |
| try { |
| task = ClassOption.cliStringToObject(cliString.toString(), Task.class, null); |
| logger.debug("Successfully instantiating {}", task.getClass().getCanonicalName()); |
| } catch (Exception e) { |
| logger.error("Failed to initialize the task: ", e); |
| System.out.println("Failed to initialize the task: " + e); |
| return; |
| } |
| |
| StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment(); |
| task.setFactory(new FlinkComponentFactory(env)); |
| task.init(); |
| |
| logger.debug("Building Flink topology..."); |
| ((FlinkTopology) task.getTopology()).build(); |
| |
| logger.debug("Submitting the job..."); |
| env.execute(); |
| |
| } |
| |
| |
| |
| |
| } |