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/* -*- C++ -*- */
/**
* @file Command.h
*
* $Id$
*
* @author Pradeep Gore <pradeep@oomworks.com>
*
*
*/
#ifndef TAO_NS_COMMAND_H
#define TAO_NS_COMMAND_H
#include "ace/pre.h"
#include "notify_test_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Arg_Shifter.h"
#include "tao/corba.h"
#include "ace/CORBA_macros.h"
/**
* @class TAO_NS_Command
*
* @brief Base Class for all command objects.
*
*/
class TAO_NOTIFY_TEST_Export TAO_NS_Command
{
friend class TAO_NS_Command_Builder;
public:
/// Constuctor
TAO_NS_Command (void);
/// Destructor
virtual ~TAO_NS_Command ();
/// Parse args and populate options.
virtual void init (ACE_Arg_Shifter& arg_shifter);
/// Implement command execution.
virtual void execute_i (ACE_ENV_SINGLE_ARG_DECL) = 0;
/// Return the name of this command.
virtual const char* get_name (void)= 0;
///= Each derived type must also implement the following signature:
// static const char* name (void);
protected:
/// Next command after this one.
TAO_NS_Command* next_;
enum {INVALID = -1};
int command_;
private:
/// Execute the command.
void execute (ACE_ENV_SINGLE_ARG_DECL);
/// Save the next command to exec.
void next (TAO_NS_Command* command);
};
#include "ace/post.h"
#endif /* TAO_NS_COMMAND_H */
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