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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// EventComm
//
// = FILENAME
// Supplier_Input_Handler.h
//
// = DESCRIPTION
// Handle input from the keyboard.
//
// = AUTHOR
// Douglas C. Schmidt (schmidt@cs.wustl.edu) and
// Pradeep Gore (pradeep@cs.wustl.edu)
//
// ============================================================================
#ifndef SUPPLIER_INPUT_HANDLER_H
#define SUPPLIER_INPUT_HANDLER_H
#include "ace/Service_Config.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
// Forward declaration.
class Notifier_Handler;
class Supplier_Input_Handler : public ACE_Event_Handler
{
// = TITLE
// Handles input events generated from a keyboard.
//
// = DESCRIPTION
// The events are currently framed and forwarded to all Consumers.
// In the future, we will need to be more selective and only send
// to those Consumers whose filtering criteria matches!
public:
// = Initialization and termination methods.
Supplier_Input_Handler (void);
// Constructor.
~Supplier_Input_Handler (void);
// Destructor.
int initialize (Notifier_Handler *);
// Initialization.
virtual int handle_input (ACE_HANDLE);
// Frame input events and notify <Consumers>.
int close (void);
// Close down the handler.
protected:
Notifier_Handler *notifier_;
// Pointer to a <Notifier_Handler> that's used to inform Consumers
// that events of interest have occurred.
};
#endif /* SUPPLIER_INPUT_HANDLER_H */
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