1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
//=============================================================================
/**
* @file Storable_Naming_Context_Activator.cpp
*
* @author Byron Harris <harris_b@ociweb.com>
*/
//=============================================================================
#include "orbsvcs/Naming/Storable_Naming_Context_Activator.h"
#if (TAO_HAS_MINIMUM_POA == 0) && !defined (CORBA_E_COMPACT) && !defined (CORBA_E_MICRO)
#include "orbsvcs/Naming/Naming_Context_Interface.h"
#include "orbsvcs/Naming/Storable_Naming_Context.h"
#include "orbsvcs/Naming/Storable_Naming_Context_Factory.h"
#include "orbsvcs/Naming/Storable.h"
#include "tao/Storable_Factory.h"
#include "ace/Auto_Ptr.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_Storable_Naming_Context_Activator::TAO_Storable_Naming_Context_Activator (
CORBA::ORB_ptr orb,
TAO::Storable_Factory *persistence_factory,
TAO_Storable_Naming_Context_Factory *context_impl_factory,
const ACE_TCHAR *)
: orb_(orb),
persistence_factory_(persistence_factory),
context_impl_factory_(context_impl_factory)
{
}
TAO_Storable_Naming_Context_Activator::~TAO_Storable_Naming_Context_Activator ()
{
delete persistence_factory_;
delete this->context_impl_factory_;
}
PortableServer::Servant
TAO_Storable_Naming_Context_Activator::incarnate (
const PortableServer::ObjectId &oid,
PortableServer::POA_ptr poa)
{
// Make sure complete initialization has been done
ACE_ASSERT (persistence_factory_ != 0);
// Make sure complete initialization has been done
ACE_ASSERT (context_impl_factory_ != 0);
CORBA::String_var poa_id = PortableServer::ObjectId_to_string (oid);
// The approached used is to simply verify that there is a
// persistence element that exists that corresponds to the
// poa_id. If so, an empty context is created. Later, when the
// context is accessed it will be determined that the contents of
// the persistence elment needs to be read in.
{ // Does this already exist on disk?
ACE_CString file_name = poa_id.in ();
ACE_Auto_Ptr<TAO::Storable_Base> fl (
persistence_factory_->create_stream (file_name.c_str (),
"rw"));
if (!fl->exists()) {
throw CORBA::OBJECT_NOT_EXIST ();
}
}
// Put together a servant for the new Naming Context.
// Will throw NO_MEMORY exception if unable to construct one
TAO_Storable_Naming_Context *context_impl =
this->context_impl_factory_->create_naming_context_impl (orb_,
poa,
poa_id.in (),
persistence_factory_);
// Put <context_impl> into the auto pointer temporarily, in case next
// allocation fails.
ACE_Auto_Basic_Ptr<TAO_Storable_Naming_Context> temp (context_impl);
TAO_Naming_Context *context = 0;
ACE_NEW_THROW_EX (context,
TAO_Naming_Context (context_impl),
CORBA::NO_MEMORY ());
// Let <implementation> know about it's <interface>.
context_impl->interface (context);
// Release auto pointer, and start using reference counting to
// control our servant.
temp.release ();
return context;
}
void
TAO_Storable_Naming_Context_Activator::etherealize (
const PortableServer::ObjectId &/*oid*/,
PortableServer::POA_ptr /*adapter*/,
PortableServer::Servant servant,
CORBA::Boolean /*cleanup_in_progress*/,
CORBA::Boolean remaining_activations)
{
if (!remaining_activations)
{
servant->_remove_ref ();
}
}
TAO_END_VERSIONED_NAMESPACE_DECL
#endif /* TAO_HAS_MINIMUM_POA */
|
