| package org.apache.samoa.apex; |
| |
| /* |
| * #%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.samoa.apex.topology.impl.ApexComponentFactory; |
| import org.apache.samoa.apex.topology.impl.ApexTopology; |
| import org.apache.samoa.tasks.Task; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ApexSamoaUtils { |
| |
| private static final Logger logger = LoggerFactory.getLogger(ApexSamoaUtils.class); |
| |
| public static ApexTopology argsToTopology(String[] args) { |
| StringBuilder cliString = new StringBuilder(); |
| for (String arg : args) { |
| cliString.append(" ").append(arg); |
| } |
| logger.debug("Command line string = {}", cliString.toString()); |
| |
| Task task = getTask(cliString.toString()); |
| |
| // TODO: remove setFactory method with DynamicBinding |
| task.setFactory(new ApexComponentFactory()); |
| task.init(); |
| |
| return (ApexTopology) task.getTopology(); |
| } |
| |
| public static Task getTask(String cliString) { |
| Task task = null; |
| try { |
| logger.debug("Providing task [{}]", cliString); |
| task = ClassOption.cliStringToObject(cliString, Task.class, null); |
| } catch (Exception e) { |
| logger.warn("Fail in initializing the task!"); |
| e.printStackTrace(); |
| } |
| return task; |
| } |
| } |