Examples of java.rmi.registry.Registry

java.rmi.registry.Registry
Registry is a remote interface to a simple remote object registry that provides methods for storing and retrieving remote object references bound with arbitrary string names. The bind, unbind, and rebind methods are used to alter the name bindings in the registry, and the lookup and list methods are used to query the current name bindings.
In its typical usage, a Registry enables RMI client bootstrapping: it provides a simple means for a client to obtain an initial reference to a remote object. Therefore, a registry's remote object implementation is typically exported with a well-known address, such as with a well-known {@link java.rmi.server.ObjID#REGISTRY_ID ObjID} and TCP port number(default is {@link #REGISTRY_PORT 1099}).
The {@link LocateRegistry} class provides a programmatic API forconstructing a bootstrap reference to a Registry at a remote address (see the static getRegistry methods) and for creating and exporting a Registry in the current VM on a particular local address (see the static createRegistry methods).
A Registry implementation may choose to restrict access to some or all of its methods (for example, methods that mutate the registry's bindings may be restricted to calls originating from the local host). If a Registry method chooses to deny access for a given invocation, its implementation may throw {@link java.rmi.AccessException}, which (because it extends {@link java.rmi.RemoteException}) will be wrapped in a {@link java.rmi.ServerException} when caught by aremote client.
The names used for bindings in a Registry are pure strings, not parsed. A service which stores its remote reference in a Registry may wish to use a package name as a prefix in the name binding to reduce the likelihood of name collisions in the registry. @author Ann Wollrath @author Peter Jones @since JDK1.1 @see LocateRegistry

    }


    @Override
    protected void start() throws ServerSideException {
        try {// startup rmiregistry(global repository) on localhost
            Registry registry = prepareRegistry(_localRegistryPort);
            assert (registry != null);
        } catch (RemoteException e) {
            throw new ServerSideException("failed to launch registry on port " + _localRegistryPort, e);
        }
        super.start();

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            LOG.debug("unbind failed", e);
        }
    }


    private static Registry prepareRegistry(int port) throws RemoteException {
        Registry registry;
        try {
            registry = LocateRegistry.createRegistry(port);
            LOG.info("created local rmi-registry at port: " + port);
        } catch (RemoteException e) {
            registry = LocateRegistry.getRegistry(port);

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      log.debug("RMI server " + serverIndex + " created");


      // let RMI know the bind address
      System.setProperty("java.rmi.server.hostname", host);


      Registry registry;


      // try to bind first
      try
      {
         registry = LocateRegistry.getRegistry(DEFAULT_REGISTRY_PORT);
         registry.bind(RMI_SERVER_PREFIX + serverIndex, testServer);
         registry.bind(NAMING_SERVER_PREFIX + serverIndex, testServer.getNamingDelegate());


      }
      catch(Exception e)
      {
         log.info("Failure using an existing registry, trying creating it");


         // try to create it
         registry = LocateRegistry.createRegistry(DEFAULT_REGISTRY_PORT);


         registry.bind(RMI_SERVER_PREFIX + serverIndex, testServer);
         registry.bind(NAMING_SERVER_PREFIX + serverIndex, testServer.getNamingDelegate());
      }


      log.info("RMI server " + serverIndex + " bound");
   }

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         try
         {
            // unregister myself from the RMI registry


            Registry registry = LocateRegistry.getRegistry(DEFAULT_REGISTRY_PORT);


            String name = RMI_SERVER_PREFIX + server.getServerID();
            registry.unbind(name);
            log.info("unregistered " + name + " from registry");


            name = NAMING_SERVER_PREFIX + server.getServerID();
            registry.unbind(name);
            log.info("unregistered " + name + " from registry");
         }
         catch(Exception e)
         {
            log.error("Failed to unregister", e);

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      try
      {
         int serverId = getServerPeer(target).getServerPeerID();


         //First unregister from the RMI registry
         Registry registry = LocateRegistry.getRegistry(RMITestServer.DEFAULT_REGISTRY_PORT);


         String name = RMITestServer.RMI_SERVER_PREFIX + serverId;
         registry.unbind(name);
         log.info("unregistered " + name + " from registry");


         name = RMITestServer.NAMING_SERVER_PREFIX + serverId;
         registry.unbind(name);
         log.info("unregistered " + name + " from registry");


         log.info("#####");
         log.info("#####");
         log.info("##### Halting the server!");

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    void run() throws IOException, AlreadyBoundException, RemoteException
    {
        store = new SerialObjectStore();
        SRPRemoteServer server = new SRPRemoteServer(store);
        Registry reg = LocateRegistry.createRegistry(Registry.REGISTRY_PORT);
        reg.bind("SimpleSRPServer", server);
    }

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public class EagleManagerClient {


  public static EagleManager getManager(String host, int port, String password) throws RemoteException, NotBoundException {


    Registry registry = LocateRegistry.getRegistry(host,port);


    EagleLogin eagleLogin = (EagleLogin) registry.lookup("eagleLogin");


    return eagleLogin.login(password);
  }

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    try
    {
      int port = _config.getInt("wrapper.jmx.rmi.port", Constants.DEFAULT_RMI_PORT);
      if (port > 0)
      {
        Registry rmiRegistry = LocateRegistry.createRegistry(port);
        JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://localhost:" + port + "/server");
        Map environment = null;
        if (_config.getString("wrapper.jmx.rmi.user", null) != null)
        {
          final String myUser = _config.getString("wrapper.jmx.rmi.user");

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                        log.debug("There is an RMI registry bound to given port :" + port);
                    }
                    return;
                }


                Registry locateRegistry = LocateRegistry.createRegistry(port);
                if (locateRegistry == null) {
                    handleException("Unable to create a RMI registry with port : " + port);
                }


                registriesCache.put(key, locateRegistry);

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                System.err.println(msg);
                System.err.println("Continuing...");
            }
        }
        try {
            Registry reg = LocateRegistry.getRegistry(this.rmiPort);
            reg.rebind(JMETER_ENGINE_RMI_NAME, this);
            log.info("Bound to registry on port " + this.rmiPort);
        } catch (Exception ex) {
            log.error("rmiregistry needs to be running to start JMeter in server " + "mode\n\t" + ex.toString());
            // Throw an Exception to ensure caller knows ...
            throw new RemoteException("Cannot start. See server log file.");

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