| 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); |
| } |
| } |