Java Registry.list方法代码示例

import java.rmi.registry.Registry; //导入方法依赖的package包/类
/**
 * Helper method to determine if registry has started
 *
 * @param port The port number to check
 * @param msTimeout The amount of milliseconds to spend checking
 */

public static boolean checkIfRegistryRunning(int port, int msTimeout) {
    long stopTime = System.currentTimeMillis() + msTimeout;
    do {
        try {
            Registry r = LocateRegistry.getRegistry(port);
            String[] s = r.list();
            // no exception. We're now happy that registry is running
            return true;
        } catch (RemoteException e) {
            // problem - not ready ? Try again
            try {
                Thread.sleep(500);
            } catch (InterruptedException ie) {
                // not expected
            }
        }
    } while (stopTime > System.currentTimeMillis());
    return false;
}
 

import java.rmi.registry.Registry; //导入方法依赖的package包/类
/**
 * Helper method to determine if registry has started
 *
 * @param port The port number to check
 * @param msTimeout The amount of milliseconds to spend checking
 */

public static boolean checkIfRegistryRunning(int port, int msTimeout) {
    final long POLLTIME_MS = 100L;
    long stopTime = computeDeadline(System.currentTimeMillis(), msTimeout);
    do {
        try {
            Registry r = LocateRegistry.getRegistry(port);
            String[] s = r.list();
            // no exception. We're now happy that registry is running
            return true;
        } catch (RemoteException e) {
            // problem - not ready ? Try again
            try {
                Thread.sleep(POLLTIME_MS);
            } catch (InterruptedException ie) {
                // not expected
            }
        }
    } while (System.currentTimeMillis() < stopTime);
    return false;
}
 

import java.rmi.registry.Registry; //导入方法依赖的package包/类
public static boolean vaciarRegistroRMI (Registry regtr) {
        if (regtr == null) return true;
//        ItfUsoRecursoTrazas trazas = Directorio.getRecursoTrazas();
             
//            NombresPredefinidos.REPOSITORIO_INTERFACES_OBJ = repositorioInterfaces;
        try {
             trazas.aceptaNuevaTraza(new InfoTraza ("AdaptadorRegRMI", "Vaciando registro RMI", NivelTraza.info));
            String [] listaRemotos = regtr.list();
            for (String obj : listaRemotos) regtr.unbind(obj);
            return true;
        } catch (Exception e) {
             trazas.aceptaNuevaTraza(new InfoTraza("AdaptadorRegRMI", "Fallo al vaciar registro RMI", NivelTraza.error));
            return false;
        }
    }
 

import java.rmi.registry.Registry; //导入方法依赖的package包/类
private static void testConnect(int port, int rmiPort) throws Exception {

        dbg_print("RmiRegistry lookup...");

        dbg_print("Using port: " + port);

        dbg_print("Using rmi port: " + rmiPort);

        Registry registry = LocateRegistry.getRegistry(port);

        // "jmxrmi"
        String[] relist = registry.list();
        for (int i = 0; i < relist.length; ++i) {
            dbg_print("Got registry: " + relist[i]);
        }

        String jmxUrlStr = (rmiPort != 0) ?
            String.format(
                "service:jmx:rmi://localhost:%d/jndi/rmi://localhost:%d/jmxrmi",
                rmiPort,
                port) :
            String.format(
                "service:jmx:rmi:///jndi/rmi://localhost:%d/jmxrmi",
                port);

        JMXServiceURL url = new JMXServiceURL(jmxUrlStr);

        JMXConnector c = JMXConnectorFactory.connect(url, null);

        MBeanServerConnection conn = c.getMBeanServerConnection();
        ObjectName pattern = new ObjectName("java.lang:type=Memory,*");

        int count = listMBeans(conn,pattern,null);
        if (count == 0)
            throw new Exception("Expected at least one matching " +
                                "MBean for " + pattern);
    }
 

import java.rmi.registry.Registry; //导入方法依赖的package包/类
private static void doTestConnect(int port, int rmiPort) throws Exception {
    dbg_print("RmiRegistry lookup...");

    dbg_print("Using port: " + port);

    dbg_print("Using rmi port: " + rmiPort);

    Registry registry = LocateRegistry.getRegistry(port);

    // "jmxrmi"
    String[] relist = registry.list();
    for (int i = 0; i < relist.length; ++i) {
        dbg_print("Got registry: " + relist[i]);
    }

    String jmxUrlStr = (rmiPort != 0) ?
        String.format(
                    "service:jmx:rmi://localhost:%d/jndi/rmi://localhost:%d/jmxrmi",
                    rmiPort,
            port) :
        String.format(
                    "service:jmx:rmi:///jndi/rmi://localhost:%d/jmxrmi",
                    port);

    JMXServiceURL url = new JMXServiceURL(jmxUrlStr);

    JMXConnector c = JMXConnectorFactory.connect(url, null);

    MBeanServerConnection conn = c.getMBeanServerConnection();
    ObjectName pattern = new ObjectName("java.lang:type=Memory,*");

    int count = listMBeans(conn,pattern,null);
    if (count == 0)
        throw new Exception("Expected at least one matching " +
                            "MBean for " + pattern);
}
 

import java.rmi.registry.Registry; //导入方法依赖的package包/类
private void verifyNoRmiRegistryOnDefaultPort() throws Exception {
    try {
        Registry registry = LocateRegistry.getRegistry();
        registry.list();
        throw new Exception("There is already RMI registry on the default port: " + registry);
    } catch (RemoteException e) {
        // No RMI registry on default port is detected
    }
}
 

import java.rmi.registry.Registry; //导入方法依赖的package包/类
private Registry getRegistry() throws RemoteException {
    Registry registry = LocateRegistry.getRegistry(this.registryPort);
    try {
        registry.list();
    } catch (RemoteException e) {
        registry = null;
    }
    if (registry == null) {
        registry = LocateRegistry.createRegistry(this.registryPort);
    }
    return registry;
}
 

import java.rmi.registry.Registry; //导入方法依赖的package包/类
private void testRegistry(Registry registry) throws RemoteException {
    registry.list();
}
 

import java.rmi.registry.Registry; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
    System.err.println("\nRegression test for bug 4486732\n");

    Factory factoryImpl = new FactoryImpl();
    Factory factoryStub =
        (Factory) UnicastRemoteObject.exportObject(factoryImpl, 0);
    for (int i = 0; i < SESSIONS; i++) {
        Session session = factoryStub.getSession();
        session.ping();
    }
    UnicastRemoteObject.unexportObject(factoryImpl, true);

    Registry registryImpl = TestLibrary.createRegistryOnEphemeralPort();
    int port = TestLibrary.getRegistryPort(registryImpl);
    System.out.println("Registry listening on port " + port);

    CSF csf = new CSF();
    Reference<CSF> registryRef = new WeakReference<CSF>(csf);
    Registry registryStub = LocateRegistry.getRegistry("", port, csf);
    csf = null;
    registryStub.list();
    registryStub = null;
    UnicastRemoteObject.unexportObject(registryImpl, true);

    System.gc();
    // allow connections to time out
    Thread.sleep(3 * Long.getLong("sun.rmi.transport.connectionTimeout",
                                  15000));
    System.gc();

    if (CSF.deserializedInstances.size() != SESSIONS) {
        throw new Error("unexpected number of deserialized instances: " +
                        CSF.deserializedInstances.size());
    }

    int nonNullCount = 0;
    for (Reference<CSF> ref : CSF.deserializedInstances) {
        csf = ref.get();
        if (csf != null) {
            System.err.println("non-null deserialized instance: " + csf);
            nonNullCount++;
        }
    }
    if (nonNullCount > 0) {
        throw new Error("TEST FAILED: " +
                        nonNullCount + " non-null deserialized instances");
    }

    csf = registryRef.get();
    if (csf != null) {
        System.err.println("non-null registry instance: " + csf);
        throw new Error("TEST FAILED: non-null registry instance");
    }

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

import java.rmi.registry.Registry; //导入方法依赖的package包/类
/**
 * Test the given RMI registry, calling some operation on it to
 * check whether it is still active.
 * <p>Default implementation calls {@code Registry.list()}.
 * @param registry the RMI registry to test
 * @throws RemoteException if thrown by registry methods
 * @see java.rmi.registry.Registry#list()
 */
protected void testRegistry(Registry registry) throws RemoteException {
	registry.list();
}