示例#1
0
 @SuppressWarnings("deprecation")
 public void write(DataOutput out) throws IOException {
   out.writeLong(rpcVersion);
   UTF8.writeString(out, declaringClassProtocolName);
   UTF8.writeString(out, methodName);
   out.writeLong(clientVersion);
   out.writeInt(clientMethodsHash);
   out.writeInt(parameterClasses.length);
   for (int i = 0; i < parameterClasses.length; i++) {
     ObjectWritable.writeObject(out, parameters[i], parameterClasses[i], conf, true);
   }
 }
示例#2
0
文件: RPC.java 项目: baeeq/hadoop-20
 public void write(DataOutput out) throws IOException {
   ObjectWritable.writeStringCached(out, methodName);
   out.writeInt(parameterClasses.length);
   for (int i = 0; i < parameterClasses.length; i++) {
     ObjectWritable.writeObject(out, parameters[i], parameterClasses[i], conf);
   }
 }
示例#3
0
  /** Write a {@link Writable}, {@link String}, primitive type, or an array of the preceding. */
  public static void writeObject(
      DataOutput out, Object instance, Class declaredClass, Configuration conf) throws IOException {

    if (instance == null) { // null
      instance = new NullInstance(declaredClass, conf);
      declaredClass = Writable.class;
    }

    UTF8.writeString(out, declaredClass.getName()); // always write declared

    if (declaredClass.isArray()) { // array
      int length = Array.getLength(instance);
      out.writeInt(length);
      for (int i = 0; i < length; i++) {
        writeObject(out, Array.get(instance, i), declaredClass.getComponentType(), conf);
      }

    } else if (declaredClass == String.class) { // String
      UTF8.writeString(out, (String) instance);

    } else if (declaredClass.isPrimitive()) { // primitive type

      if (declaredClass == Boolean.TYPE) { // boolean
        out.writeBoolean(((Boolean) instance).booleanValue());
      } else if (declaredClass == Character.TYPE) { // char
        out.writeChar(((Character) instance).charValue());
      } else if (declaredClass == Byte.TYPE) { // byte
        out.writeByte(((Byte) instance).byteValue());
      } else if (declaredClass == Short.TYPE) { // short
        out.writeShort(((Short) instance).shortValue());
      } else if (declaredClass == Integer.TYPE) { // int
        out.writeInt(((Integer) instance).intValue());
      } else if (declaredClass == Long.TYPE) { // long
        out.writeLong(((Long) instance).longValue());
      } else if (declaredClass == Float.TYPE) { // float
        out.writeFloat(((Float) instance).floatValue());
      } else if (declaredClass == Double.TYPE) { // double
        out.writeDouble(((Double) instance).doubleValue());
      } else if (declaredClass == Void.TYPE) { // void
      } else {
        throw new IllegalArgumentException("Not a primitive: " + declaredClass);
      }
    } else if (declaredClass.isEnum()) { // enum
      UTF8.writeString(out, ((Enum) instance).name());
    } else if (Writable.class.isAssignableFrom(declaredClass)) { // Writable
      UTF8.writeString(out, instance.getClass().getName());
      ((Writable) instance).write(out);

    } else {
      throw new IOException("Can't write: " + instance + " as " + declaredClass);
    }
  }