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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
// $Id$
#ifndef TAO_OBJECT_T_C
#define TAO_OBJECT_T_C
#include "tao/Object_T.h"
ACE_RCSID (tao,
Object_T,
"$Id$")
namespace TAO
{
template<typename T>
T *
Narrow_Utils<T>::narrow (CORBA::Object_ptr obj,
const char *repo_id,
Proxy_Broker_Factory pbf
ACE_ENV_ARG_DECL)
{
if (CORBA::is_nil (obj))
{
return T::_nil ();
}
CORBA::Boolean is_it = obj->_is_a (repo_id
ACE_ENV_ARG_PARAMETER);
ACE_CHECK_RETURN (T::_nil ());
if (is_it == 0)
{
return T::_nil ();
}
return TAO::Narrow_Utils<T>::unchecked_narrow (obj, pbf);
}
template<typename T>
T *
Narrow_Utils<T>::narrow (CORBA::AbstractBase_ptr obj,
const char *repo_id
ACE_ENV_ARG_DECL)
{
if (CORBA::is_nil (obj))
{
return T::_nil ();
}
CORBA::Boolean is_it =
obj->_is_a (
repo_id
ACE_ENV_ARG_PARAMETER
);
ACE_CHECK_RETURN (T::_nil ());
if (is_it == 0)
{
return T::_nil ();
}
return Narrow_Utils<T>::unchecked_narrow (obj);
}
template<typename T>
T *
Narrow_Utils<T>::unchecked_narrow (CORBA::Object_ptr obj,
Proxy_Broker_Factory pbf)
{
T_ptr proxy = Narrow_Utils<T>::lazy_evaluation (obj);
if (!CORBA::is_nil (proxy))
{
return proxy;
}
TAO_Stub* stub = obj->_stubobj ();
if (stub != 0)
{
stub->_incr_refcnt ();
}
bool collocated =
!CORBA::is_nil (stub->servant_orb_var ().ptr ())
&& stub->servant_orb_var ()->orb_core ()->optimize_collocation_objects ()
&& obj->_is_collocated ()
&& pbf != 0;
ACE_NEW_RETURN (proxy,
T (stub,
collocated ? 1 : 0,
obj->_servant ()),
T::_nil ());
return proxy;
}
template<typename T>
T *
Narrow_Utils<T>::unchecked_narrow (CORBA::AbstractBase_ptr obj)
{
T_ptr proxy = T::_nil ();
if (obj->_is_objref ())
{
ACE_NEW_RETURN (proxy,
T (obj->_stubobj (),
0,
obj->_servant ()),
T::_nil ());
}
else
{
proxy = T::_downcast (obj);
proxy->_add_ref ();
}
return proxy;
}
template<typename T>
T *
Narrow_Utils<T>::lazy_evaluation (CORBA::Object_ptr obj)
{
T_ptr default_proxy = T::_nil ();
// Code for lazily evaluated IORs.
if (!obj->is_evaluated ())
{
ACE_NEW_RETURN (default_proxy,
T (obj->steal_ior (),
obj->orb_core ()),
T::_nil ());
}
return default_proxy;
}
}
#endif /* TAO_OBJECT_T_C */
|
