Examples of org.apache.avro.Protocol

org.apache.avro.Protocol
A set of messages forming an application protocol.
A protocol consists of:
- a name for the protocol;
- an optional namespace, further qualifying the name;
- a list of types, or named {@link Schema schemas};
- a list of errors, or named {@link Schema schemas} for exceptions;
- a list of named messages, each of which specifies,
  - request, the parameter schemas;
  - one of either;
    - one-way
    or
    - response, the response schema;
    - errors, an optional list of potential error schema names.

    throw new Error("Missing return statement in function");
  }


  final public Protocol ProtocolDeclaration() throws ParseException {
  String name;
  Protocol p;
  Map<String, JsonNode> props = new LinkedHashMap<String, JsonNode>();
    label_3:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case AT:
        ;
        break;
      default:
        jj_la1[5] = jj_gen;
        break label_3;
      }
      SchemaProperty(props);
    }
    if (props.containsKey("namespace"))
      namespace = getTextProp("namespace", props, token);
    jj_consume_token(PROTOCOL);
    name = Identifier();
   getDoc();                                      // consume doc
   p = new Protocol(name, namespace);
    ProtocolBody(p);
   {if (true) return p;}
    throw new Error("Missing return statement in function");
  }

View Full Code Here

  }


  final public void ProtocolBody(Protocol p) throws ParseException {
  Schema schema;
  Message message;
  Protocol importProtocol;
    jj_consume_token(LBRACE);
    label_5:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ARRAY:
      case BOOLEAN:
      case DOUBLE:
      case ENUM:
      case ERROR:
      case FIXED:
      case FLOAT:
      case IMPORT:
      case INT:
      case LONG:
      case MAP:
      case BYTES:
      case STRING:
      case NULL:
      case RECORD:
      case UNION:
      case VOID:
      case IDENTIFIER:
      case AT:
      case TICK:
        ;
        break;
      default:
        jj_la1[7] = jj_gen;
        break label_5;
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ENUM:
      case ERROR:
      case FIXED:
      case RECORD:
      case AT:
        schema = NamedSchemaDeclaration();
        break;
      case IMPORT:
        jj_consume_token(IMPORT);
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case IDL:
        case PROTOCOL:
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case IDL:
            importProtocol = ImportIdl();
            break;
          case PROTOCOL:
            importProtocol = ImportProtocol();
            break;
          default:
            jj_la1[8] = jj_gen;
            jj_consume_token(-1);
            throw new ParseException();
          }
       for (Schema s : importProtocol.getTypes())
         names.put(s.getFullName(), s);
       p.getMessages().putAll(importProtocol.getMessages());
          break;
        case SCHEMA:
          schema = ImportSchema();
          break;
        default:

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   * @param srcFiles the source Avro protocol files
   * @param dest the directory to place generated files in
   */
  public static void compileProtocol(File[] srcFiles, File dest) throws IOException {
    for (File src : srcFiles) {
      Protocol protocol = Protocol.parse(src);
      SpecificCompiler compiler = new SpecificCompiler(protocol);
      compiler.compileToDestination(src, dest);
    }
  }

View Full Code Here

  // annotate map and string schemas with string type
  private Protocol addStringType(Protocol p) {
    if (stringType != StringType.String)
      return p;


    Protocol newP = new Protocol(p.getName(), p.getDoc(), p.getNamespace());
    Map<Schema,Schema> types = new LinkedHashMap<Schema,Schema>();


    // Copy properties
    for (Map.Entry<String,String> prop : p.getProps().entrySet())
      newP.addProp(prop.getKey(), prop.getValue());   // copy props


    // annotate types
    Collection<Schema> namedTypes = new LinkedHashSet<Schema>();
    for (Schema s : p.getTypes())
      namedTypes.add(addStringType(s, types));
    newP.setTypes(namedTypes);


    // annotate messages
    Map<String,Message> newM = newP.getMessages();
    for (Message m : p.getMessages().values())
      newM.put(m.getName(), m.isOneWay()
               ? newP.createMessage(m.getName(), m.getDoc(), m.getProps(),
                                    addStringType(m.getRequest(), types))
               : newP.createMessage(m.getName(), m.getDoc(), m.getProps(),
                                    addStringType(m.getRequest(), types),
                                    addStringType(m.getResponse(), types),
                                    addStringType(m.getErrors(), types)));
    return newP;
  }

View Full Code Here

    }
  }




  public static void main (String[] args) throws InterruptedException, IOException {
    Protocol protocol = Protocol.parse(new File("test-proto.avpr"));


    HttpServer server = new HttpServer(new Responder(protocol), 8080);
    server.start();
    server.join();
  }

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    }
  }




  public static void main (String[] args) throws InterruptedException, IOException {
    Protocol protocol = Protocol.parse(new File("ht-proto.avpr"));


    HttpServer server = new HttpServer(new Responder(protocol), 8080);
    server.start();
    server.join();
  }

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import org.apache.avro.ipc.HttpTransceiver;
import org.apache.avro.ipc.generic.GenericRequestor;


public class TestClient {
  public static void main (String[] args) throws IOException, MalformedURLException {
    Protocol protocol = Protocol.parse(new File("test-proto.avpr"));


    HttpTransceiver transceiver = new HttpTransceiver(new URL("http://localhost:8080"));
    GenericRequestor requestor = new GenericRequestor(protocol, transceiver);


    GenericData.Record message = new GenericData.Record(protocol.getType("Message"));
    message.put("data", new Utf8("Hello from Client"));


    Schema schema = protocol.getMessages().get("xyz").getRequest();
    GenericData.Record request = new GenericData.Record(schema);
    request.put("message", message);


    Object result = requestor.request("xyz", request);
    System.out.println(result);

View Full Code Here

    log.info("Compiling Protocol: " + src + " to: " + dest);
    if(licenseHeader != null) {
      log.info("The generated file will be " + licenseHeader.getLicenseName() + " licensed.");
    }
    GoraCompiler compiler = new GoraCompiler(dest);
    Protocol protocol = Protocol.parse(src);
    for (Schema s : protocol.getTypes())          // enqueue types 
      compiler.enqueue(s);
    compiler.compileInterface(protocol);          // generate interface
    compiler.compile();                           // generate classes for types
  }

View Full Code Here

  private String[] testIncludes = new String[] { "**/*.avpr" };
  
  @Override
  protected void doCompile(String filename, File sourceDirectory, File outputDirectory) throws IOException {
    File src = new File(sourceDirectory, filename);
    Protocol protocol = Protocol.parse(src);
    SpecificCompiler compiler = new SpecificCompiler(protocol);
    compiler.setTemplateDir(templateDirectory);
    compiler.setStringType(StringType.valueOf(stringType));
    compiler.setFieldVisibility(getFieldVisibility());
    compiler.setCreateSetters(createSetters);

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      URLClassLoader projPathLoader = new URLClassLoader
          (runtimeUrls.toArray(new URL[0]), Thread.currentThread().getContextClassLoader());
        parser = new Idl(new File(sourceDirectory, filename), projPathLoader);


      Protocol p = parser.CompilationUnit();
      String json = p.toString(true);
      Protocol protocol = Protocol.parse(json);
      SpecificCompiler compiler = new SpecificCompiler(protocol);
      compiler.setStringType(GenericData.StringType.valueOf(stringType));
      compiler.setTemplateDir(templateDirectory);
      compiler.setFieldVisibility(getFieldVisibility());
      compiler.setCreateSetters(createSetters);

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