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// This may look like C, but it's really -*- C++ -*-
//=============================================================================
/**
* @file Operation_Table_Parameters.h
*
* $Id$
*
* @author Aniruddha Gokhale
*/
//=============================================================================
#ifndef TAO_OPERATION_TABLE_PARAMETERS_H
#define TAO_OPERATION_TABLE_PARAMETERS_H
#include /**/ "ace/pre.h"
#include "portableserver_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class TAO_Operation_Table;
#include "tao/TAO_Singleton.h"
#include "ace/Synch_Traits.h"
#include "ace/Null_Mutex.h"
/**
* @class TAO_Operation_Table_Parameters
*
* @brief Parameters used to create the operation table.
*/
class TAO_PortableServer_Export TAO_Operation_Table_Parameters
{
public:
/// various lookup strategies
enum DEMUX_STRATEGY
{
TAO_LINEAR_SEARCH,
TAO_DYNAMIC_HASH,
TAO_PERFECT_HASH,
TAO_BINARY_SEARCH,
TAO_ACTIVE_DEMUX,
TAO_USER_DEFINED
};
/// Set the lookup strategy from the list of enumerated values
void lookup_strategy (DEMUX_STRATEGY s);
/// Return the enumerated value for the lookup strategy. Default is
/// Dynamic Hashing.
DEMUX_STRATEGY lookup_strategy (void) const;
/// Provide a data structure that will do the lookup. This is useful
/// for user-defined lookup strategies.
void concrete_strategy (TAO_Operation_Table *ot);
/// Return the operation table that is being used to do the lookup.
TAO_Operation_Table *concrete_strategy (void);
/// Constructor.
TAO_Operation_Table_Parameters (void);
/// Destructor
~TAO_Operation_Table_Parameters (void);
private:
/// Pointer to the object that implements a lookup strategy
TAO_Operation_Table *strategy_;
/// The enumerated value indicating the lookup strategy
DEMUX_STRATEGY type_;
};
/// Define a singleton instance of operation table parameters.
typedef TAO_Singleton<TAO_Operation_Table_Parameters,
TAO_SYNCH_RECURSIVE_MUTEX>
TAO_OP_TABLE_PARAMETERS;
#include /**/ "ace/post.h"
#endif /* TAO_OPERATION_TABLE_PARAMETERS_H */
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