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// $Id$
#ifndef ACE_CACHE_MAP_MANAGER_T_C
#define ACE_CACHE_MAP_MANAGER_T_C
#include "ace/Cache_Map_Manager_T.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#define ACE_LACKS_PRAGMA_ONCE
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Malloc.h"
#if !defined (__ACE_INLINE__)
#include "ace/Cache_Map_Manager_T.i"
#endif /* __ACE_INLINE__ */
ACE_RCSID(ace, Cache_Map_Manager_T, "$Id$")
ACE_ALLOC_HOOK_DEFINE(ACE_Cache_Map_Manager)
#if !defined (ACE_HAS_BROKEN_EXTENDED_TEMPLATES)
ACE_ALLOC_HOOK_DEFINE(ACE_Cache_Map_Iterator)
ACE_ALLOC_HOOK_DEFINE(ACE_Cache_Map_Reverse_Iterator)
#define ACE_T1 class KEY, class VALUE, class MAP, class ITERATOR_IMPL, class REVERSE_ITERATOR_IMPL, class CACHING_STRATEGY, class ATTRIBUTES
#define ACE_T2 KEY, VALUE, MAP, ITERATOR_IMPL, REVERSE_ITERATOR_IMPL, CACHING_STRATEGY, ATTRIBUTES
#else
#define ACE_T1 class KEY, class VALUE, class MAP, class CACHING_STRATEGY, class ATTRIBUTES
#define ACE_T2 KEY, VALUE, MAP, CACHING_STRATEGY, ATTRIBUTES
#endif /* ACE_HAS_BROKEN_EXTENDED_TEMPLATES */
template <ACE_T1>
ACE_Cache_Map_Manager<ACE_T2>::ACE_Cache_Map_Manager (CACHING_STRATEGY &caching_s,
size_t size,
ACE_Allocator *alloc)
: caching_strategy_ (caching_s)
{
if (this->open (size, alloc) == -1)
ACE_ERROR ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("ACE_Cache_Map_Manager::ACE_Cache_Map_Manager")));
}
template <ACE_T1>
ACE_Cache_Map_Manager<ACE_T2>::~ACE_Cache_Map_Manager (void)
{
this->close ();
}
template <ACE_T1> int
ACE_Cache_Map_Manager<ACE_T2>::open (size_t length,
ACE_Allocator *alloc)
{
return this->map_.open (length,
alloc);
}
template <ACE_T1> int
ACE_Cache_Map_Manager<ACE_T2>::close (void)
{
return this->map_.close ();
}
template <ACE_T1> int
ACE_Cache_Map_Manager<ACE_T2>::bind (const KEY &key,
const VALUE &value)
{
// Insert an entry which has the <key> and the <cache_value> which
// is the combination of the <value> and the attributes of the
// caching strategy.
CACHE_VALUE cache_value (value,
this->caching_strategy_.attributes ());
int bind_result = this->map_.bind (key,
cache_value);
if (bind_result != -1)
{
int result = this->caching_strategy_.notify_bind (bind_result,
cache_value.second ());
if (result == -1)
{
this->map_.unbind (key);
// Unless the notification goes thru the bind operation is
// not complete.
bind_result = -1;
}
}
return bind_result;
}
template <ACE_T1> int
ACE_Cache_Map_Manager<ACE_T2>::rebind (const KEY &key,
const VALUE &value)
{
CACHE_VALUE cache_value (value,
this->caching_strategy_.attributes ());
int rebind_result = this->map_.rebind (key,
cache_value);
if (rebind_result != -1)
{
int result = this->caching_strategy_.notify_rebind (rebind_result,
cache_value.second ());
if (result == -1)
{
// Make sure the unbind operation is done only when the
// notification fails after a bind which is denoted by
// rebind_result = 0
if (rebind_result == 0)
this->map_.unbind (key);
// Unless the notification goes thru the rebind operation is
// not complete.
rebind_result = -1;
}
}
return rebind_result;
}
template <ACE_T1> int
ACE_Cache_Map_Manager<ACE_T2>::rebind (const KEY &key,
const VALUE &value,
VALUE &old_value)
{
CACHE_VALUE cache_value (value,
this->caching_strategy_.attributes ());
CACHE_VALUE old_cache_value (old_value,
this->caching_strategy_.attributes ());
int rebind_result = this->map_.rebind (key,
cache_value,
old_cache_value);
if (rebind_result != -1)
{
int result = this->caching_strategy_.notify_rebind (rebind_result,
cache_value.second ());
if (result == -1)
{
// Make sure the unbind operation is done only when the
// notification fails after a bind which is denoted by
// rebind_result = 0
if (rebind_result == 0)
this->map_.unbind (key);
// Unless the notification goes thru the rebind operation is
// not complete.
rebind_result = -1;
}
else
{
old_value = old_cache_value.first ();
}
}
return rebind_result;
}
template <ACE_T1> int
ACE_Cache_Map_Manager<ACE_T2>::rebind (const KEY &key,
const VALUE &value,
KEY &old_key,
VALUE &old_value)
{
CACHE_VALUE cache_value (value,
this->caching_strategy_.attributes ());
CACHE_VALUE old_cache_value (old_value,
this->caching_strategy_.attributes ());
int rebind_result = this->map_.rebind (key,
cache_value,
old_key,
old_cache_value);
if (rebind_result != -1)
{
int result = this->caching_strategy_.notify_rebind (rebind_result,
cache_value.second ());
if (result == -1)
{
// Make sure the unbind operation is done only when the
// notification fails after a bind which is denoted by
// rebind_result = 0
if (rebind_result == 0)
this->map_.unbind (key);
// Unless the notification goes thru the rebind operation is
// not complete.
rebind_result = -1;
}
else
{
old_value = old_cache_value.first ();
}
}
return rebind_result;
}
template <ACE_T1> int
ACE_Cache_Map_Manager<ACE_T2>::trybind (const KEY &key,
VALUE &value)
{
CACHE_VALUE cache_value (value,
this->caching_strategy_.attributes ());
int trybind_result = this->map_.trybind (key,
cache_value);
if (trybind_result != -1)
{
int result = this->caching_strategy_.notify_trybind (trybind_result,
cache_value.second ());
if (result == -1)
{
// If the entry has got inserted into the map, it is removed
// due to failure.
if (trybind_result == 0)
this->map_.unbind (key);
trybind_result = -1;
}
else
{
// If an attempt is made to bind an existing entry the value
// is overwritten with the value from the map.
if (trybind_result == 1)
value = cache_value.first ();
}
}
return trybind_result;
}
template <ACE_T1> int
ACE_Cache_Map_Manager<ACE_T2>::find (const KEY &key,
VALUE &value)
{
// Lookup the key and populate the <value>.
CACHE_VALUE cache_value;
int find_result = this->map_.find (key,
cache_value);
if (find_result != -1)
{
int result = this->caching_strategy_.notify_find (find_result,
cache_value.second ());
// Unless the find and notification operations go thru, this
// method is not successful.
if (result == -1)
find_result = -1;
else
{
// Since the <cache_value> has now changed after the
// notification, we need to bind to the map again.
int rebind_result = this->map_.rebind (key,
cache_value);
if (rebind_result == -1)
find_result = -1;
else
value = cache_value.first ();
}
}
return find_result;
}
template <ACE_T1> int
ACE_Cache_Map_Manager<ACE_T2>::find (const KEY &key)
{
// Lookup the key and populate the <value>.
CACHE_VALUE cache_value;
int find_result = this->map_.find (key,
cache_value);
if (find_result != -1)
{
int result = this->caching_strategy_.notify_find (find_result,
cache_value.second ());
// Unless the find and notification operations go thru, this
// method is not successful.
if (result == -1)
find_result = -1;
else
{
// Since the <cache_value> has now changed after the
// notification, we need to bind to the map again.
int rebind_result = this->map_.rebind (key,
cache_value);
if (rebind_result == -1)
find_result = -1;
}
}
return find_result;
}
template <ACE_T1> int
ACE_Cache_Map_Manager<ACE_T2>::unbind (const KEY &key)
{
// Remove the entry from the cache.
CACHE_VALUE cache_value;
int unbind_result = this->map_.unbind (key,
cache_value);
if (unbind_result != -1)
{
int result = this->caching_strategy_.notify_unbind (unbind_result,
cache_value.second ());
if (result == -1)
unbind_result = -1;
}
return unbind_result;
}
template <ACE_T1> int
ACE_Cache_Map_Manager<ACE_T2>::unbind (const KEY &key,
VALUE &value)
{
// Remove the entry from the cache.
CACHE_VALUE cache_value;
int unbind_result = this->map_.unbind (key,
cache_value);
if (unbind_result != -1)
{
int result = this->caching_strategy_.notify_unbind (unbind_result,
cache_value.second ());
if (result == -1)
unbind_result = -1;
else
value = cache_value.first ();
}
return unbind_result;
}
template <ACE_T1> void
ACE_Cache_Map_Manager<ACE_T2>::dump (void) const
{
#if defined (ACE_HAS_DUMP)
this->map_.dump ();
this->caching_strategy_.dump ();
#endif /* ACE_HAS_DUMP */
}
#undef ACE_T1
#undef ACE_T2
#endif /* ACE_CACHE_MAP_MANAGER_T_C */
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