Java Code Examples for java.rmi.server.UnicastRemoteObject#exportObject()

/**
 * Export remote objects.
 * Arguments: <# objects>
 */
public long run(String[] args) throws Exception {
    int size = Integer.parseInt(args[0]);
    Remote[] objs = new Remote[size];
    for (int i = 0; i < size; i++)
        objs[i] = new RemoteObj();

    long start = System.currentTimeMillis();
    for (int i = 0; i < size; i++)
        UnicastRemoteObject.exportObject(objs[i],0);
    long time = System.currentTimeMillis() - start;

    for (int i = 0; i < size; i++)
        UnicastRemoteObject.unexportObject(objs[i], true);
    return time;
}
 

@Override
public void initialize() {
  if (isInitialized()) {
    return;
  }

  rmiRegistry = registryProvider.get();

  // Export this instance via RMI.
  try {
    LOG.debug("Exporting proxy...");
    UnicastRemoteObject.exportObject(this,
                                     configuration.remoteDispatcherServicePort(),
                                     socketFactoryProvider.getClientSocketFactory(),
                                     socketFactoryProvider.getServerSocketFactory());
    LOG.debug("Binding instance with RMI registry...");
    rmiRegistry.rebind(RegistrationName.REMOTE_DISPATCHER_SERVICE, this);
  }
  catch (RemoteException exc) {
    LOG.error("Could not export or bind with RMI registry", exc);
    return;
  }

  initialized = true;
}
 

public static void main(String[] args) {
    try {
        int registryPort = Integer.parseInt(System.getProperty("rmi.registry.port"));
        Registry registry =
            LocateRegistry.getRegistry("", registryPort);
        ShutdownMonitor monitor = (ShutdownMonitor)
            registry.lookup(KeepAliveDuringCall.BINDING);
        System.err.println("(ShutdownImpl) retrieved shutdown monitor");

        impl = new ShutdownImpl(monitor);
        Shutdown stub = (Shutdown) UnicastRemoteObject.exportObject(impl);
        System.err.println("(ShutdownImpl) exported shutdown object");

        monitor.submitShutdown(stub);
        System.err.println("(ShutdownImpl) submitted shutdown object");

    } catch (Exception e) {
        System.err.println("(ShutdownImpl) TEST SUBPROCESS FAILURE:");
        e.printStackTrace();
    }
}
 

@Override
public void initialize() {
  if (isInitialized()) {
    return;
  }
  registryProvider.initialize();
  userManager.initialize();

  rmiRegistry = registryProvider.get();
  // Export this instance via RMI.
  try {
    LOG.debug("Exporting proxy...");
    UnicastRemoteObject.exportObject(this,
                                     configuration.remoteKernelPort(),
                                     socketFactoryProvider.getClientSocketFactory(),
                                     socketFactoryProvider.getServerSocketFactory());
    LOG.debug("Binding instance with RMI registry...");
    rmiRegistry.rebind(org.opentcs.access.rmi.RemoteKernel.REGISTRATION_NAME, this);
    LOG.debug("Bound instance {} with registry {}.", rmiRegistry.list(), rmiRegistry);
  }
  catch (RemoteException exc) {
    LOG.error("Could not export or bind with RMI registry", exc);
  }
  enabled = true;
}
 

/**
 * Export remote objects.
 * Arguments: <# objects>
 */
public long run(String[] args) throws Exception {
    int size = Integer.parseInt(args[0]);
    Remote[] objs = new Remote[size];
    for (int i = 0; i < size; i++)
        objs[i] = new RemoteObj();

    long start = System.currentTimeMillis();
    for (int i = 0; i < size; i++)
        UnicastRemoteObject.exportObject(objs[i],0);
    long time = System.currentTimeMillis() - start;

    for (int i = 0; i < size; i++)
        UnicastRemoteObject.unexportObject(objs[i], true);
    return time;
}
 

private void export(Remote obj) throws RemoteException {
    final RMIExporter exporter =
        (RMIExporter) env.get(RMIExporter.EXPORTER_ATTRIBUTE);
    final boolean daemon = EnvHelp.isServerDaemon(env);

    if (daemon && exporter != null) {
        throw new IllegalArgumentException("If "+EnvHelp.JMX_SERVER_DAEMON+
                " is specified as true, "+RMIExporter.EXPORTER_ATTRIBUTE+
                " cannot be used to specify an exporter!");
    }

    if (daemon) {
        if (csf == null && ssf == null) {
            new UnicastServerRef(port).exportObject(obj, null, true);
        } else {
            new UnicastServerRef2(port, csf, ssf).exportObject(obj, null, true);
        }
    } else if (exporter != null) {
        exporter.exportObject(obj, port, csf, ssf);
    } else {
        UnicastRemoteObject.exportObject(obj, port, csf, ssf);
    }
}
 

@Override
public void initialize() {
  if (isInitialized()) {
    return;
  }

  rmiRegistry = registryProvider.get();

  // Export this instance via RMI.
  try {
    LOG.debug("Exporting proxy...");
    UnicastRemoteObject.exportObject(this,
                                     configuration.remoteNotificationServicePort(),
                                     socketFactoryProvider.getClientSocketFactory(),
                                     socketFactoryProvider.getServerSocketFactory());
    LOG.debug("Binding instance with RMI registry...");
    rmiRegistry.rebind(RegistrationName.REMOTE_NOTIFICATION_SERVICE, this);
  }
  catch (RemoteException exc) {
    LOG.error("Could not export or bind with RMI registry", exc);
    return;
  }

  initialized = true;
}
 

public static void main(String[] args) throws Exception {
    System.err.println("\nRegression test for bug 6275081\n");

    Remote impl = new Remote() { };
    long start = System.currentTimeMillis();
    for (int i = 0; i < REPS; i++) {
        System.err.println(i);
        UnicastRemoteObject.exportObject(impl, PORT);
        UnicastRemoteObject.unexportObject(impl, true);
        Thread.sleep(1);    // work around BindException (bug?)
    }
    long delta = System.currentTimeMillis() - start;
    System.err.println(REPS + " export/unexport operations took " +
                       delta + "ms");
    if (delta > TIMEOUT) {
        throw new Error("TEST FAILED: took over " + TIMEOUT + "ms");
    }
    System.err.println("TEST PASSED");
}
 

private void export(Remote obj) throws RemoteException {
    final RMIExporter exporter =
        (RMIExporter) env.get(RMIExporter.EXPORTER_ATTRIBUTE);
    final boolean daemon = EnvHelp.isServerDaemon(env);

    if (daemon && exporter != null) {
        throw new IllegalArgumentException("If "+EnvHelp.JMX_SERVER_DAEMON+
                " is specified as true, "+RMIExporter.EXPORTER_ATTRIBUTE+
                " cannot be used to specify an exporter!");
    }

    if (daemon) {
        if (csf == null && ssf == null) {
            new UnicastServerRef(port).exportObject(obj, null, true);
        } else {
            new UnicastServerRef2(port, csf, ssf).exportObject(obj, null, true);
        }
    } else if (exporter != null) {
        exporter.exportObject(obj, port, csf, ssf);
    } else {
        UnicastRemoteObject.exportObject(obj, port, csf, ssf);
    }
}
 

/**
 * Creates a default activation group implementation.
 *
 * @param id the group's identifier
 * @param data ignored
 */
public ActivationGroupImpl(ActivationGroupID id, MarshalledObject<?> data)
    throws RemoteException
{
    super(id);
    groupID = id;

    /*
     * Unexport activation group impl and attempt to export it on
     * an unshared anonymous port.  See 4692286.
     */
    unexportObject(this, true);
    RMIServerSocketFactory ssf = new ServerSocketFactoryImpl();
    UnicastRemoteObject.exportObject(this, 0, null, ssf);

    if (System.getSecurityManager() == null) {
        try {
            // Provide a default security manager.
            System.setSecurityManager(new SecurityManager());

        } catch (Exception e) {
            throw new RemoteException("unable to set security manager", e);
        }
    }
}
 

public static void main(String[] args) throws Exception {
    System.err.println("\nRegression test for bug 6332349\n");

    Ping impl = new PingImpl();
    Reference<?> ref = new WeakReference<Ping>(impl);
    try {
        Ping stub = (Ping) UnicastRemoteObject.exportObject(impl, 0);
        Object notSerializable = new Object();
        stub.ping(impl, null);
        try {
            stub.ping(impl, notSerializable);
        } catch (MarshalException e) {
            if (e.getCause() instanceof NotSerializableException) {
                System.err.println("ping invocation failed as expected");
            } else {
                throw e;
            }
        }
    } finally {
        UnicastRemoteObject.unexportObject(impl, true);
    }
    impl = null;

    // Might require multiple calls to System.gc() for weak-references
    // processing to be complete. If the weak-reference is not cleared as
    // expected we will hang here until timed out by the test harness.
    while (true) {
        System.gc();
        Thread.sleep(20);
        if (ref.get() == null) {
            break;
        }
    }

    System.err.println("TEST PASSED");
}
 

public static void main(String[] args) throws Exception {
    System.err.println("\nRegression test for bug 6269166\n");
    RMISocketFactory.setSocketFactory(new SF());
    Remote impl = new ReuseDefaultPort();
    Remote stub = UnicastRemoteObject.exportObject(impl, 0);
    System.err.println("- exported object: " + stub);
    try {
        Registry registry = LocateRegistry.createRegistry(PORT);
        System.err.println("- exported registry: " + registry);
        System.err.println("TEST PASSED");
    } finally {
        UnicastRemoteObject.unexportObject(impl, true);
    }
}
 

public static void main(String[] args) throws Exception {
    System.err.println("\nRegression test for bug 6332349\n");

    Ping impl = new PingImpl();
    Reference<?> ref = new WeakReference<Ping>(impl);
    try {
        Ping stub = (Ping) UnicastRemoteObject.exportObject(impl, 0);
        Object notSerializable = new Object();
        stub.ping(impl, null);
        try {
            stub.ping(impl, notSerializable);
        } catch (MarshalException e) {
            if (e.getCause() instanceof NotSerializableException) {
                System.err.println("ping invocation failed as expected");
            } else {
                throw e;
            }
        }
    } finally {
        UnicastRemoteObject.unexportObject(impl, true);
    }
    impl = null;

    // Might require multiple calls to System.gc() for weak-references
    // processing to be complete. If the weak-reference is not cleared as
    // expected we will hang here until timed out by the test harness.
    while (true) {
        System.gc();
        Thread.sleep(20);
        if (ref.get() == null) {
            break;
        }
    }

    System.err.println("TEST PASSED");
}
 

public static void main(String[] args) throws Exception {
    Registry registry = TestLibrary.createRegistryOnUnusedPort();
    int registryPort = TestLibrary.getRegistryPort(registry);
    Registry reg = LocateRegistry.getRegistry("", registryPort);
    FooImpl fooimpl = new FooImpl();
    UnicastRemoteObject.exportObject(fooimpl, 0);
    reg.rebind("foo", fooimpl);
    Foo foostub = (Foo) reg.lookup("foo");
    FooImpl fooimpl2 = new FooImpl();
    UnicastRemoteObject.exportObject(fooimpl2, 0);
    foostub.echo(fooimpl2);
    UnicastRemoteObject.unexportObject(fooimpl, true);
    UnicastRemoteObject.unexportObject(fooimpl2, true);
}
 

@Override
public void initialize() {
  if (isInitialized()) {
    return;
  }

  registryProvider.initialize();
  userManager.initialize();

  rmiRegistry = registryProvider.get();
  // Export this instance via RMI.
  try {
    LOG.debug("Exporting proxy...");
    UnicastRemoteObject.exportObject(this,
                                     configuration.remoteKernelServicePortalPort(),
                                     socketFactoryProvider.getClientSocketFactory(),
                                     socketFactoryProvider.getServerSocketFactory());
    LOG.debug("Binding instance with RMI registry...");
    rmiRegistry.rebind(RegistrationName.REMOTE_KERNEL_CLIENT_PORTAL, this);
    LOG.debug("Bound instance {} with registry {}.", rmiRegistry.list(), rmiRegistry);
  }
  catch (RemoteException exc) {
    LOG.error("Could not export or bind with RMI registry", exc);
    return;
  }

  for (KernelRemoteService remoteService : remoteServices) {
    remoteService.initialize();
  }

  initialized = true;
}
 

public static void main(String args[]) throws Exception {
    try {
        testPkg.Server obj = new testPkg.Server();
        testPkg.Hello stub = (testPkg.Hello) UnicastRemoteObject.exportObject(obj, 0);
        // Bind the remote object's stub in the registry
        Registry registry =
            LocateRegistry.getRegistry(TestLibrary.READTEST_REGISTRY_PORT);
        registry.bind("Hello", stub);

        System.err.println("Server ready");

        // now, let's test client
        testPkg.Client client =
            new testPkg.Client(TestLibrary.READTEST_REGISTRY_PORT);
        String testStubReturn = client.testStub();
        if(!testStubReturn.equals(obj.hello)) {
            throw new RuntimeException("Test Fails : unexpected string from stub call");
        } else {
            System.out.println("Test passed");
        }
        registry.unbind("Hello");

    } catch (Exception e) {
        System.err.println("Server exception: " + e.toString());
        e.printStackTrace();
    }

}
 

public static void main(String[] args) throws Exception {
    System.err.println("\nRegression test for bug 6269166\n");
    RMISocketFactory.setSocketFactory(new SF());
    Remote impl = new ReuseDefaultPort();
    Remote stub = UnicastRemoteObject.exportObject(impl, 0);
    System.err.println("- exported object: " + stub);
    try {
        Registry registry = LocateRegistry.createRegistry(PORT);
        System.err.println("- exported registry: " + registry);
        System.err.println("TEST PASSED");
    } finally {
        UnicastRemoteObject.unexportObject(impl, true);
    }
}
 

public Object run() throws Exception {
    return UnicastRemoteObject.exportObject(impl);
}
 

public static void main(String[] args) throws Exception {

        RemoteInterface server = null;
        RemoteInterface proxy = null;

        try {
            System.err.println("export object");
            server = new MultipleRegistries();
            proxy =
                (RemoteInterface) UnicastRemoteObject.exportObject(server, 0);

            System.err.println("proxy = " + proxy);

            System.err.println("export registries");
            Registry registryImpl1 = TestLibrary.createRegistryOnUnusedPort();
            int port1 = TestLibrary.getRegistryPort(registryImpl1);
            Registry registryImpl2 = TestLibrary.createRegistryOnUnusedPort();
            int port2 = TestLibrary.getRegistryPort(registryImpl2);
            System.err.println("bind remote object in registries");
            Registry registry1 = LocateRegistry.getRegistry(port1);
            Registry registry2 = LocateRegistry.getRegistry(port2);

            registry1.bind(NAME, proxy);
            registry2.bind(NAME, proxy);

            System.err.println("lookup remote object in registries");

            RemoteInterface remote1 = (RemoteInterface) registry1.lookup(NAME);
            RemoteInterface remote2 = (RemoteInterface) registry2.lookup(NAME);

            System.err.println("invoke methods on remote objects");
            remote1.passObject(remote1);
            remote2.passObject(remote2);

            System.err.println("TEST PASSED");

        } finally {
            if (proxy != null) {
                UnicastRemoteObject.unexportObject(server, true);
            }
        }
    }
 

/**
 * Makes a server object ready to receive remote calls. Note
 * that subclasses of PortableRemoteObject do not need to call this
 * method, as it is called by the constructor.
 * @param obj the server object to export.
 * @exception RemoteException if export fails.
 */
public void exportObject(Remote obj)
    throws RemoteException {

    if (obj == null) {
        throw new NullPointerException("invalid argument");
    }

    // Has this object already been exported to IIOP?

    if (Util.getTie(obj) != null) {

        // Yes, so this is an error...

        throw new ExportException (obj.getClass().getName() + " already exported");
    }

    // Can we load a Tie?

    Tie theTie = Utility.loadTie(obj);

    if (theTie != null) {

        // Yes, so export it to IIOP...

        Util.registerTarget(theTie,obj);

    } else {

        // No, so export to JRMP. If this is called twice for the
        // same object, it will throw an ExportException...

        UnicastRemoteObject.exportObject(obj);
    }
}