| /** |
| * 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 backtype.storm.utils; |
| |
| import backtype.storm.generated.Bolt; |
| import backtype.storm.generated.ComponentCommon; |
| import backtype.storm.generated.SpoutSpec; |
| import backtype.storm.generated.StateSpoutSpec; |
| import backtype.storm.generated.StormTopology; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| public class ThriftTopologyUtils { |
| public static Set<String> getComponentIds(StormTopology topology) { |
| Set<String> ret = new HashSet<String>(); |
| for(StormTopology._Fields f: StormTopology.metaDataMap.keySet()) { |
| Map<String, Object> componentMap = (Map<String, Object>) topology.getFieldValue(f); |
| ret.addAll(componentMap.keySet()); |
| } |
| return ret; |
| } |
| |
| public static ComponentCommon getComponentCommon(StormTopology topology, String componentId) { |
| for(StormTopology._Fields f: StormTopology.metaDataMap.keySet()) { |
| Map<String, Object> componentMap = (Map<String, Object>) topology.getFieldValue(f); |
| if(componentMap.containsKey(componentId)) { |
| Object component = componentMap.get(componentId); |
| if(component instanceof Bolt) { |
| return ((Bolt) component).get_common(); |
| } |
| if(component instanceof SpoutSpec) { |
| return ((SpoutSpec) component).get_common(); |
| } |
| if(component instanceof StateSpoutSpec) { |
| return ((StateSpoutSpec) component).get_common(); |
| } |
| throw new RuntimeException("Unreachable code! No get_common conversion for component " + component); |
| } |
| } |
| throw new IllegalArgumentException("Could not find component common for " + componentId); |
| } |
| } |