Examples of org.apache.hadoop.ipc.VersionedProtocol

org.apache.hadoop.ipc.VersionedProtocol
Superclass of all protocols that use Hadoop RPC. Subclasses of this interface are also supposed to have a static final long versionID field. @author milindb


    public VersionedProtocol getProxy(String node) {
      if (returnNullNodes.contains(node)) {
        return null;
      }
      VersionedProtocol vp = proxyCache.get(node);
      if (vp != null) {
        return vp;
      }
      TestServer ts = new TestServer(node);
      serverCache.put(node, ts);

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  @SuppressWarnings("unchecked")
  public void run() {
    String methodDesc = null;
    try {
      VersionedProtocol proxy = _shardManager.getProxy(_node, false);
      if (proxy == null) {
        throw new KattaException("No proxy for node: " + _node);
      }
      if (_shardArrayIndex >= 0) {
        // We need to pass the list of shards to the server's method.

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   */
  public static VersionedProtocol getProxy(Class<?> protocol,
      long clientVersion, InetSocketAddress addr, UserGroupInformation ticket,
      Configuration conf, SocketFactory factory)
  throws IOException {
    VersionedProtocol proxy =
        (VersionedProtocol) Proxy.newProxyInstance(
            protocol.getClassLoader(), new Class[] { protocol },
            new Invoker(addr, ticket, conf, factory));
    long serverVersion = proxy.getProtocolVersion(protocol.getName(),
                                                  clientVersion);
    if (serverVersion == clientVersion) {
      return proxy;
    }
    throw new VersionMismatch(protocol.getName(), clientVersion,

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   * talking to a server at the named address. */
  public static VersionedProtocol getProxy(Class<?> protocol,
      long clientVersion, InetSocketAddress addr, UserGroupInformation ticket,
      Configuration conf, SocketFactory factory) throws IOException {    


    VersionedProtocol proxy =
        (VersionedProtocol) Proxy.newProxyInstance(
            protocol.getClassLoader(), new Class[] { protocol },
            new Invoker(addr, ticket, conf, factory));
    long serverVersion = proxy.getProtocolVersion(protocol.getName(), 
                                                  clientVersion);
    if (serverVersion == clientVersion) {
      return proxy;
    } else {
      throw new VersionMismatch(protocol.getName(), clientVersion,

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   */
  public static VersionedProtocol getProxy(Class<?> protocol,
      long clientVersion, InetSocketAddress addr, UserGroupInformation ticket,
      Configuration conf, SocketFactory factory) throws IOException {    


    VersionedProtocol proxy =
        (VersionedProtocol) Proxy.newProxyInstance(
            protocol.getClassLoader(), new Class[] { protocol },
            new Invoker(addr, ticket, conf, factory));
    long serverVersion = proxy.getProtocolVersion(protocol.getName(), 
                                                  clientVersion);
    if (serverVersion == clientVersion) {
      return proxy;
    } else {
      throw new VersionMismatch(protocol.getName(), clientVersion,

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   */
  public static VersionedProtocol getProxy(Class<?> protocol,
      long clientVersion, InetSocketAddress addr, UserGroupInformation ticket,
      Configuration conf, SocketFactory factory)
  throws IOException {    
    VersionedProtocol proxy =
        (VersionedProtocol) Proxy.newProxyInstance(
            protocol.getClassLoader(), new Class[] { protocol },
            new Invoker(addr, ticket, conf, factory));
    long serverVersion = proxy.getProtocolVersion(protocol.getName(), 
                                                  clientVersion);
    if (serverVersion == clientVersion) {
      return proxy;
    }
    throw new VersionMismatch(protocol.getName(), clientVersion,

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   */
  public static VersionedProtocol getProxy(Class<?> protocol,
      long clientVersion, InetSocketAddress addr, UserGroupInformation ticket,
      Configuration conf, SocketFactory factory, int rpcTimeout)
  throws IOException {
    VersionedProtocol proxy =
        (VersionedProtocol) Proxy.newProxyInstance(
            protocol.getClassLoader(), new Class[] { protocol },
            new Invoker(addr, ticket, conf, factory, rpcTimeout));
    long serverVersion = proxy.getProtocolVersion(protocol.getName(),
                                                  clientVersion);
    if (serverVersion == clientVersion) {
      return proxy;
    }
    throw new VersionMismatch(protocol.getName(), clientVersion,

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