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// -*- C++ -*-
//=============================================================================
/**
* @file Adapter.h
*
* $Id$
*
* @author Carlos O'Ryan (coryan@uci.edu)
*/
//=============================================================================
#ifndef TAO_ADAPTER_H
#define TAO_ADAPTER_H
#include /**/ "ace/pre.h"
#include "tao/CORBA_methods.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/Pseudo_VarOut_T.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace CORBA
{
class Object;
typedef Object * Object_ptr;
typedef TAO_Pseudo_Var_T<Object> Object_var;
typedef TAO_Pseudo_Out_T<Object> Object_out;
}
namespace TAO
{
class ObjectKey;
}
class TAO_ORB_Core;
class TAO_Stub;
class TAO_MProfile;
class TAO_ServerRequest;
class TAO_Export TAO_Adapter
{
public:
virtual ~TAO_Adapter (void);
/// Initialize the Adapter
virtual void open (void) = 0;
/// The ORB is shutting down, destroy any resources attached to this
/// adapter.
virtual void close (int wait_for_completion) = 0;
/// Check if the adapter can be closed in the current context, raise
/// an exception if not.
virtual void check_close (int wait_for_completion) = 0;
/**
* Return the priority assigned to this adapter.
* Adapters at higher priority are used first, the first adapter
* that matches a key is used to dispatch a request.
*/
virtual int priority (void) const = 0;
/// Return the status....
virtual int dispatch (TAO::ObjectKey &key,
TAO_ServerRequest &request,
CORBA::Object_out forward_to) = 0;
enum {
/// The operation was successfully dispatched, an exception may
/// have been raised, but that is a correct execution too.
DS_OK,
/// There was a problem in dispatching the operation.
DS_FAILED,
/// The key is not in the right format for this Adapter, try the
/// next one.
DS_MISMATCHED_KEY,
/// Forward the request to another object reference, this decouples
/// the ORB from the PortableServer::ForwardRequest exception
DS_FORWARD
};
/// Return the name, i.e. the object id used to resolve it in the
/// ORB.
virtual const char *name (void) const = 0;
/**
* Return the root of the Object Adapter.
* Each adapter defines its own IDL interface accessed through the
* method above.
*/
virtual CORBA::Object_ptr root (void) = 0;
/// Create a collocated object using the given profile and stub.
virtual CORBA::Object_ptr create_collocated_object (TAO_Stub *,
const TAO_MProfile &) = 0;
/// Initialize a collocated object using the given stub
/// pointer for lazily evaluated object references.
virtual CORBA::Long initialize_collocated_object (TAO_Stub *) = 0;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_ADAPTER_H */
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