| /** |
| * 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.task; |
| |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.ExecutorService; |
| |
| import org.apache.storm.generated.StormTopology; |
| import org.apache.storm.tuple.Fields; |
| |
| public class WorkerTopologyContext extends GeneralTopologyContext { |
| private org.apache.heron.api.topology.TopologyContext delegate; |
| |
| @SuppressWarnings("rawtypes") |
| public WorkerTopologyContext( |
| StormTopology topology, |
| Map stormConf, |
| Map<Integer, String> taskToComponent, |
| Map<String, List<Integer>> componentToSortedTasks, |
| Map<String, Map<String, Fields>> componentToStreamToFields, |
| String stormId, |
| String codeDir, |
| String pidDir, |
| Integer workerPort, |
| List<Integer> workerTasks, |
| Map<String, Object> defaultResources, |
| Map<String, Object> userResources |
| ) { |
| super(topology, stormConf, taskToComponent, |
| componentToSortedTasks, componentToStreamToFields, stormId); |
| throw new RuntimeException("WorkerTopologyContext should never be init this way"); |
| } |
| |
| public WorkerTopologyContext(org.apache.heron.api.topology.TopologyContext newDelegate) { |
| super(newDelegate); |
| this.delegate = newDelegate; |
| } |
| |
| /** |
| * Gets all the task ids that are running in this worker process |
| * (including the task for this task). |
| * In Heron parlance, since every instance is running as a seperate process |
| * this will just return the current instance's taskId |
| */ |
| public List<Integer> getThisWorkerTasks() { |
| List<Integer> retval = new LinkedList<Integer>(); |
| retval.add(delegate.getThisTaskId()); |
| return retval; |
| } |
| |
| /** |
| * Return the port that the worker is running on. |
| * This was typically done to differentiate workers running |
| * on the same machine. |
| * In Heron parlance, we just return the taskId since that |
| * should be unique |
| */ |
| public Integer getThisWorkerPort() { |
| return delegate.getThisTaskId(); |
| } |
| |
| /** |
| * Gets the location of the external resources for this worker on the |
| * local filesystem. These external resources typically include bolts implemented |
| * in other languages, such as Ruby or Python. |
| */ |
| public String getCodeDir() { |
| throw new RuntimeException("Not supported"); |
| } |
| |
| /** |
| * If this task spawns any subprocesses, those subprocesses must immediately |
| * write their PID to this directory on the local filesystem to ensure that |
| * Storm properly destroys that process when the worker is shutdown. |
| */ |
| public String getPIDDir() { |
| throw new RuntimeException("Not supported"); |
| } |
| |
| public Object getResource(String name) { |
| throw new RuntimeException("Not supported"); |
| } |
| |
| public ExecutorService getSharedExecutor() { |
| throw new RuntimeException("Not supported"); |
| } |
| } |