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// $Id$
#include "tao/ObjectKey_Table.h"
#include "tao/ORB_Core.h"
#include "tao/Refcounted_ObjectKey.h"
ACE_RCSID(tao,
ObjectKey_Table,
"$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
int
TAO::Less_Than_ObjectKey::operator () (const TAO::ObjectKey &lhs,
const TAO::ObjectKey &rhs) const
{
if (lhs.length () < rhs.length ())
{
return 1;
}
else if (lhs.length () > rhs.length ())
{
return 0;
}
for (CORBA::ULong i = 0; i < rhs.length (); ++i)
{
if (lhs[i] < rhs[i])
{
return 1;
}
else if (lhs[i] > rhs[i])
{
return 0;
}
}
return 0;
}
/********************************************************/
TAO::ObjectKey_Table::ObjectKey_Table (void)
: lock_ (0)
, table_ ()
{
}
TAO::ObjectKey_Table::~ObjectKey_Table (void)
{
this->table_.close ();
delete this->lock_;
}
int
TAO::ObjectKey_Table::init (TAO_ORB_Core *oc)
{
/// Create the lock that is needed for internal usage.
this->lock_ =
oc->resource_factory ()->create_object_key_table_lock ();
return 0;
}
int
TAO::ObjectKey_Table::bind (const TAO::ObjectKey &key,
TAO::Refcounted_ObjectKey *&key_new)
{
key_new = 0;
int retval = 0;
{
ACE_GUARD_RETURN (ACE_Lock,
ace_mon,
*this->lock_,
0);
// This is a tradeoff.. We could avoid this two stage process of
// using a find () and then a bind () , which would make things
// efficient. BUT we may have to do allocation upfront and delete if
// bind () returns with an entry. We take one of the routes that
// avoids allocation.
retval = this->table_.find (key,
key_new);
if (retval == -1)
{
return this->bind_i (key,
key_new);
}
key_new->incr_refcount ();
}
return retval;
}
int
TAO::ObjectKey_Table::unbind (TAO::Refcounted_ObjectKey *&key_new)
{
ACE_GUARD_RETURN (ACE_Lock,
ace_mon,
*this->lock_,
0);
// If the refcount has dropped to 1, just go ahead and unbind it
// from the table.
if (key_new && key_new->decr_refcount () == 1)
{
return this->unbind_i (key_new);
}
return 0;
}
int
TAO::ObjectKey_Table::destroy (void)
{
if (this->table_.current_size ())
{
ACE_GUARD_RETURN (ACE_Lock,
ace_mon,
*this->lock_,
0);
TABLE::ITERATOR end_iter = this->table_.end ();
TABLE::ITERATOR start;
while ((start = this->table_.begin ()) != end_iter)
{
TABLE::ENTRY &ent = (*start);
ent.item ()->decr_refcount ();
this->table_.unbind (&ent);
}
}
return 0;
}
int
TAO::ObjectKey_Table::bind_i (const TAO::ObjectKey &key,
TAO::Refcounted_ObjectKey *&key_new)
{
ACE_NEW_RETURN (key_new,
TAO::Refcounted_ObjectKey (key),
-1);
int retval = this->table_.bind (key,
key_new);
if (retval != -1)
{
key_new->incr_refcount ();
}
else
{
key_new->decr_refcount ();
}
return retval;
}
int
TAO::ObjectKey_Table::unbind_i (TAO::Refcounted_ObjectKey *&key_new)
{
TAO::Refcounted_ObjectKey *tmp = 0;
if (this->table_.unbind (key_new->object_key (),
tmp) != -1)
{
// @@ Cant do much if the unbind fails.
// Remove our refcount on the ObjectKey
(void) tmp->decr_refcount ();
}
return 0;
}
TAO_END_VERSIONED_NAMESPACE_DECL
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