| package backtype.storm.utils; |
| |
| import java.util.HashMap; |
| import java.util.UUID; |
| |
| // this class should be combined with RegisteredGlobalState |
| public class ServiceRegistry { |
| private static HashMap<String, Object> _services = new HashMap<String, Object>(); |
| private static final Object _lock = new Object(); |
| |
| public static String registerService(Object service) { |
| synchronized(_lock) { |
| String id = UUID.randomUUID().toString(); |
| _services.put(id, service); |
| return id; |
| } |
| } |
| |
| public static Object getService(String id) { |
| synchronized(_lock) { |
| return _services.get(id); |
| } |
| } |
| |
| public static void unregisterService(String id) { |
| synchronized(_lock) { |
| _services.remove(id); |
| } |
| } |
| } |