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#include "ORB_Table.h"
#include "ORB_Core.h"
#include "TAO_Singleton.h"
#if !defined (__ACE_INLINE__)
# include "ORB_Table.inl"
#endif /* ! __ACE_INLINE__ */
#include "ace/OS_NS_string.h"
ACE_RCSID (tao,
ORB_Table,
"$Id$")
// ****************************************************************
TAO_ORB_Table::TAO_ORB_Table (void)
: first_orb_not_default_ (0),
table_ (TAO_DEFAULT_ORB_TABLE_SIZE),
first_orb_ (0),
orbs_ (0),
num_orbs_ (0)
{
}
TAO_ORB_Table::~TAO_ORB_Table (void)
{
const Iterator end = this->end ();
for (Iterator i = this->begin (); i != end; ++i)
{
// Deallocate the ORBid.
CORBA::string_free (const_cast<char *> ((*i).ext_id_));
// Destroy the ORB_Core
(void) (*i).int_id_->_decr_refcnt ();
}
this->table_.close ();
}
TAO_ORB_Table::Iterator
TAO_ORB_Table::begin (void)
{
return this->table_.begin ();
}
TAO_ORB_Table::Iterator
TAO_ORB_Table::end (void)
{
return this->table_.end ();
}
TAO_ORB_Core* const *
TAO_ORB_Table::get_orbs (size_t& num_orbs)
{
num_orbs = this->num_orbs_;
return this->orbs_;
}
int
TAO_ORB_Table::bind (const char *orb_id,
TAO_ORB_Core *orb_core)
{
// Make sure that the supplied ORB core pointer is valid,
// i.e. non-zero.
if (orb_id == 0 || orb_core == 0)
{
errno = EINVAL;
return -1;
};
CORBA::String_var id = CORBA::string_dup (orb_id);
int result = this->table_.bind (id.in (), orb_core);
if (result == 0)
{
// Make sure the ORB table owns the ORB Core by increasing the
// reference count on it.
(void) orb_core->_incr_refcnt ();
// This is not the first ORB .. but if the current default
// ORB decided not to be the default and there is more than
// one orb then set this orb to be the default ORB.
if ((this->first_orb_ != 0)
&& (this->first_orb_not_default_))
{
this->first_orb_ = orb_core;
this->first_orb_not_default_ = 0;
}
// Set the "first_orb_" member for the first given ORB Core
// that was successfully added to the ORB table.
if (this->first_orb_ == 0)
{
this->first_orb_ = orb_core;
}
(void) id._retn (); // ORB Table now owns the id.
}
return result;
}
TAO_ORB_Core *
TAO_ORB_Table::find (const char *orb_id)
{
TAO_ORB_Core *found = 0;
this->table_.find (orb_id, found);
return found;
}
int
TAO_ORB_Table::unbind (const char *orb_id)
{
Table::ENTRY *entry = 0;
int result = this->table_.find (orb_id, entry);
if (result == 0)
{
// Deallocate the external ID and obtain the ORB core pointer
// before unbinding the entry since the entry is deallocated
// during the call to unbind().
CORBA::string_free (const_cast<char *> (entry->ext_id_));
TAO_ORB_Core *orb_core = entry->int_id_;
result = this->table_.unbind (entry);
if (result != 0)
{
return result;
}
if (orb_core == this->first_orb_)
{
Iterator begin = this->begin ();
Iterator end = this->end ();
if (begin != end)
{
this->first_orb_ = (*begin).int_id_;
}
else
{
this->first_orb_ = 0;
}
}
orb_core->_decr_refcnt ();
}
return result;
}
void
TAO_ORB_Table::set_default (const char *orb_id)
{
this->table_.find (orb_id, this->first_orb_);
}
void
TAO_ORB_Table::not_default (const char *orb_id)
{
// @@ This method now works for restricted cases. Should work on
// generalizing it. It works if the first ORB that is registered
// decides to not want be the default ORB. Should generalize it to
// handle all cases.
//check if there is a default ORB already and if
// it is *not* the same as the orb_id thats passed in.. we dont have
// to do anything.
if (this->first_orb_ != 0)
{
if (ACE_OS::strcmp (this->first_orb_->orbid (), orb_id) != 0)
{
// There is another default ORB. No need to change anything
return;
}
else
{
// The ORB with orbid 'orb_id' is the default now. We need
// to change it.
this->first_orb_not_default_ = 1;
}
}
}
/// Accessor to the underlying table_
ACE_Hash_Map_Manager_Ex<const char *,TAO_ORB_Core *,ACE_Hash<const char *>,ACE_Equal_To<const char *>,ACE_Null_Mutex> *
TAO_ORB_Table::table (void)
{
return &this->table_;
}
TAO_ORB_Table *
TAO_ORB_Table::instance (void)
{
return TAO_Singleton<TAO_ORB_Table, TAO_SYNCH_MUTEX>::instance ();
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class TAO_Singleton<TAO_ORB_Table,TAO_SYNCH_MUTEX>;
template class ACE_Hash_Map_Entry<const char *, TAO_ORB_Core *>;
template class ACE_Hash_Map_Manager_Ex<const char *, TAO_ORB_Core *, ACE_Hash<const char *>, ACE_Equal_To<const char *>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Iterator_Base_Ex<const char *, TAO_ORB_Core *, ACE_Hash<const char *>, ACE_Equal_To<const char *>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Iterator_Ex<const char *, TAO_ORB_Core *, ACE_Hash<const char *>, ACE_Equal_To<const char *>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Reverse_Iterator_Ex<const char *, TAO_ORB_Core *, ACE_Hash<const char *>, ACE_Equal_To<const char *>, ACE_Null_Mutex>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate TAO_Singleton<TAO_ORB_Table,TAO_SYNCH_MUTEX>
#pragma instantiate ACE_Hash_Map_Entry<const char *, TAO_ORB_Core *>
#pragma instantiate ACE_Hash_Map_Manager_Ex<const char *, TAO_ORB_Core *, ACE_Hash<const char *>, ACE_Equal_To<const char *>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Iterator_Base_Ex<const char *, TAO_ORB_Core *, ACE_Hash<const char *>, ACE_Equal_To<const char *>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Iterator_Ex<const char *, TAO_ORB_Core *, ACE_Hash<const char *>, ACE_Equal_To<const char *>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Reverse_Iterator_Ex<const char *, TAO_ORB_Core *, ACE_Hash<const char *>, ACE_Equal_To<const char *>, ACE_Null_Mutex>
#elif defined (ACE_HAS_EXPLICIT_STATIC_TEMPLATE_MEMBER_INSTANTIATION)
template TAO_Singleton<TAO_ORB_Table,TAO_SYNCH_MUTEX> * TAO_Singleton<TAO_ORB_Table,TAO_SYNCH_MUTEX>::singleton_;
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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