Package org.apache.avro

Examples of org.apache.avro.Protocol

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    }

    @Override
    protected CamelContext createCamelContext() throws Exception {
        CamelContext context = super.createCamelContext();
        Protocol protocol = KeyValueProtocol.PROTOCOL;
        AvroConfiguration configuration = new AvroConfiguration();
        configuration.setProtocol(protocol);
        AvroComponent component = new AvroComponent(context);
        component.setConfiguration(configuration);
        context.addComponent("avro", component);
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    }

    @Override
    protected CamelContext createCamelContext() throws Exception {
        CamelContext context = super.createCamelContext();
        Protocol protocol = KeyValueProtocol.PROTOCOL;
        AvroConfiguration configuration = new AvroConfiguration();
        configuration.setProtocol(protocol);
        AvroComponent component = new AvroComponent(context);
        component.setConfiguration(configuration);
        context.addComponent("avro", component);
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  }

  /** Return the protocol for a Java interface. */
  public Protocol getProtocol(Class iface) {
    try {
      Protocol p = (Protocol)(iface.getDeclaredField("PROTOCOL").get(null));
      if (!p.getNamespace().equals(iface.getPackage().getName()))
        // HACK: protocol mismatches iface. maven shade plugin? try replacing.
        p = Protocol.parse(p.toString().replace(p.getNamespace(),
                                                iface.getPackage().getName()));
      return p;
   } catch (NoSuchFieldException e) {
      throw new AvroRuntimeException("Not a Specific protocol: "+iface);
    } catch (IllegalAccessException e) {
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   * href="http://paranamer.codehaus.org/">Paranamer</a> is run over compiled
   * interface declarations, since Java 6 reflection does not provide access to
   * method parameter names.  See Avro's build.xml for an example. */
  @Override
  public Protocol getProtocol(Class iface) {
    Protocol protocol =
      new Protocol(iface.getSimpleName(),
                   iface.getPackage()==null?"":iface.getPackage().getName());
    Map<String,Schema> names = new LinkedHashMap<String,Schema>();
    Map<String,Message> messages = protocol.getMessages();
    for (Method method : iface.getMethods())
      if ((method.getModifiers() & Modifier.STATIC) == 0) {
        String name = method.getName();
        if (messages.containsKey(name))
          throw new AvroTypeException("Two methods with same name: "+name);
        messages.put(name, getMessage(method, protocol, names));
      }

    // reverse types, since they were defined in reference order
    List<Schema> types = new ArrayList<Schema>();
    types.addAll(names.values());
    Collections.reverse(types);
    protocol.setTypes(types);

    return protocol;
  }
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   * href="http://paranamer.codehaus.org/">Paranamer</a> is run over compiled
   * interface declarations, since Java 6 reflection does not provide access to
   * method parameter names.  See Avro's build.xml for an example. */
  @Override
  public Protocol getProtocol(Class iface) {
    Protocol protocol =
      new Protocol(iface.getSimpleName(), iface.getPackage().getName());
    Map<String,Schema> names = new LinkedHashMap<String,Schema>();
    for (Method method : iface.getMethods())
      if ((method.getModifiers() & Modifier.STATIC) == 0)
        protocol.getMessages().put(method.getName(),
                                   getMessage(method, protocol, names));

    // reverse types, since they were defined in reference order
    List<Schema> types = new ArrayList<Schema>();
    types.addAll(names.values());
    Collections.reverse(types);
    protocol.setTypes(types);

    return protocol;
  }
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    RPCContext context = new RPCContext();
    List<ByteBuffer> payload = null;
    List<ByteBuffer> handshake = null;
    boolean wasConnected = connection != null && connection.isConnected();
    try {
      Protocol remote = handshake(in, out, connection);
      out.flush();
      if (remote == null)                        // handshake failed
        return bbo.getBufferList();
      handshake = bbo.getBufferList();
     
      // read request using remote protocol specification
      context.setRequestCallMeta(META_READER.read(null, in));
      String messageName = in.readString(null).toString();
      Message rm = remote.getMessages().get(messageName);
      if (rm == null)
        throw new AvroRuntimeException("No such remote message: "+messageName);
      Message m = getLocal().getMessages().get(messageName);
      if (m == null)
        throw new AvroRuntimeException("No message named "+messageName
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  private Protocol handshake(Decoder in, Encoder out, Transceiver connection)
    throws IOException {
    if (connection != null && connection.isConnected())
      return connection.getRemote();
    HandshakeRequest request = (HandshakeRequest)handshakeReader.read(null, in);
    Protocol remote = protocols.get(request.clientHash);
    if (remote == null && request.clientProtocol != null) {
      remote = Protocol.parse(request.clientProtocol.toString());
      protocols.put(request.clientHash, remote);
    }
    HandshakeResponse response = new HandshakeResponse();
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    assertEquals(3, count);
  }
 
  @Test
  public void testProtocolWithDocs() throws IOException {
    Protocol protocol = TestProtocolParsing.getSimpleProtocol();
    Collection<OutputFile> out = new SpecificCompiler(protocol).compile();
    assertEquals(6, out.size());
    int count = 0;
    for (OutputFile o : out) {
      if (o.path.endsWith("Simple.java")) {
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   * href="http://paranamer.codehaus.org/">Paranamer</a> is run over compiled
   * interface declarations, since Java 6 reflection does not provide access to
   * method parameter names.  See Avro's build.xml for an example. */
  @Override
  public Protocol getProtocol(Class iface) {
    Protocol protocol =
      new Protocol(iface.getSimpleName(),
                   iface.getPackage()==null?"":iface.getPackage().getName());
    Map<String,Schema> names = new LinkedHashMap<String,Schema>();
    Map<String,Message> messages = protocol.getMessages();
    for (Method method : iface.getMethods())
      if ((method.getModifiers() & Modifier.STATIC) == 0) {
        String name = method.getName();
        if (messages.containsKey(name))
          throw new AvroTypeException("Two methods with same name: "+name);
        messages.put(name, getMessage(method, protocol, names));
      }

    // reverse types, since they were defined in reference order
    List<Schema> types = new ArrayList<Schema>();
    types.addAll(names.values());
    Collections.reverse(types);
    protocol.setTypes(types);

    return protocol;
  }
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  /** Create a proxy instance whose methods invoke RPCs. */
  @SuppressWarnings("unchecked")
  public static  <T> T getClient(Class<T> iface, Transceiver transciever,
                                 SpecificData specificData)
    throws IOException {
    Protocol protocol = specificData.getProtocol(iface);
    return (T)Proxy.newProxyInstance(iface.getClassLoader(),
                                  new Class[] { iface },
                                  new SpecificRequestor(protocol, transciever));
  }
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  • org.apache.avro.compiler.idl.TestIdl$GenTest
  • org.apache.avro.compiler.specific.ProtocolTask
  • org.apache.avro.compiler.specific.SpecificCompiler
  • org.apache.avro.compiler.specific.TestSpecificCompiler
  • org.apache.avro.genavro.TestGenAvro$GenTest
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  • org.apache.avro.ipc.reflect.ReflectRequestor
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