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// -*- C++ -*-
// $Id$
// ============================================================================
//
// = LIBRARY
// orbsvcs
//
// = FILENAME
// Minimum_Dispersion_Strategy.h
//
// = AUTHOR
// Carlos O'Ryan <coryan@uci.edu>
//
// ============================================================================
#ifndef MINIMUM_DISPERSION_H
#define MINIMUM_DISPERSION_H
#include "LoadBalancing_Strategy.h"
#include "orbsvcs/LoadBalancingS.h"
#include "ace/Containers.h"
# if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
# endif /* ACE_LACKS_PRAGMA_ONCE */
// @@ Ossama: my class names suck too, any idea on what would be a
// good name for this strategy? It basically tries to keep all the
// loads "close to the average", if one server is much higher than
// the load it is deemed too loaded and the advisory is sent.
// Forward declarations
class TAO_LB_ReplicaProxy;
typedef ACE_Unbounded_Set<TAO_LB_ReplicaProxy *> TAO_LB_ReplicaProxySet;
typedef ACE_Unbounded_Set_Iterator<TAO_LB_ReplicaProxy *> TAO_LB_ReplicaProxySetIterator;
class TAO_LoadBalancing_Export TAO_LB_Minimum_Dispersion_Strategy : public TAO_LB_LoadBalancing_Strategy
{
// = TITLE
// Minimum Dispersion load balancing strategy
// = DESCRIPTION
//
public:
TAO_LB_Minimum_Dispersion_Strategy (void);
// Constructor.
~TAO_LB_Minimum_Dispersion_Strategy (void);
// Destructor
// = The TAO_LB_LoadBalancing_Strategy methods
virtual CORBA::Object_ptr replica (CORBA_Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException));
virtual int insert (TAO_LB_ReplicaProxy *);
virtual int remove (TAO_LB_ReplicaProxy *);
virtual void load_changed (TAO_LB_ReplicaProxy *,
CORBA::Environment &ACE_TRY_ENV);
private:
TAO_LB_ReplicaProxySet proxies_;
// Set containing the ReplicaProxy servants.
};
#endif /* MINIMUM_DISPERSION_H */
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