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src/hed/Data.h

-#ifndef __ARC_DATA_H__
-#define __ARC_DATA_H__
-
-#include <stdlib.h>
-
-// Undefined (yet) classes
-class MessageAuth;
-class MessageAttr;
-
-// Base class for content of message paased through chain. It's not 
-// intended to be used directly. Instead functional classes must be 
-// derived from it.
-class MessagePayload {
- public:
-  MessagePayload(void) { };
-  virtual ~MessagePayload(void) { };
-};
-
-// Message. It is going to contain main content (payload), 
-// authentication/authorization information, attributes, etc.
-class Message {
- private:
-  MessagePayload& payload_;
-  MessageAuth& auth_;
-  MessageAttr& attr_;
- public:
-  Message(MessagePayload& payload):payload_(payload),auth_(*(MessageAuth*)NULL),attr_(*(MessageAttr*)NULL) { };
-  ~Message(void);
-  // Get current payload
-  MessagePayload& Payload(void) { return payload_; };
-  // Update payload
-  MessagePayload& Payload(MessagePayload& new_payload) {
-    MessagePayload& p = payload_;
-    payload_=new_payload;
-    return p;
-  };
-};
-
-#endif
-