diff options
Diffstat (limited to 'apps/JAWS2/JAWS/Cache_Hash_T.cpp')
| -rw-r--r-- | apps/JAWS2/JAWS/Cache_Hash_T.cpp | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/apps/JAWS2/JAWS/Cache_Hash_T.cpp b/apps/JAWS2/JAWS/Cache_Hash_T.cpp deleted file mode 100644 index a908c4147f1..00000000000 --- a/apps/JAWS2/JAWS/Cache_Hash_T.cpp +++ /dev/null @@ -1,237 +0,0 @@ -// $Id$ - -#ifndef JAWS_CACHE_HASH_T_CPP -#define JAWS_CACHE_HASH_T_CPP - -#include "JAWS/Cache_Hash_T.h" -#include "JAWS/Hash_Bucket_T.h" - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> unsigned long -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::hash (const EXT_ID &ext_id) const -{ - return HASH_FUNC (ext_id) % this->size_; -} - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> int -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::isprime (unsigned long number) const -{ - unsigned long d = 3; - - if (number <= 2) return (number == 2); - - if (number % 2 == 0) return 0; - - while (d <= number/d) - { - if (number % d == 0) return 0; - d += 2; - } - - return 1; -} - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> int -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::new_cachebucket (size_t hash_idx) -{ - if (this->hashtable_[hash_idx] == 0) - { - size_t alloc_size = sizeof (CACHE_BUCKET_MANAGER); - ACE_NEW_MALLOC_RETURN (this->hashtable_[hash_idx], - (CACHE_BUCKET_MANAGER *) - this->allocator_->malloc (alloc_size), - CACHE_BUCKET_MANAGER (this->allocator_), -1); - } - - return 0; -} - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::JAWS_Cache_Hash (ACE_Allocator *alloc, - size_t size) - : allocator_ (alloc), - hashtable_ (0) -{ - while (!this->isprime (size)) - size++; - - this->size_ = size; - - if (this->allocator_ == 0) - this->allocator_ = ACE_Allocator::instance (); - - size_t memsize = this->size_ * sizeof (CACHE_BUCKET_MANAGER *); - - this->hashtable_ - = (CACHE_BUCKET_MANAGER **) this->allocator_->malloc (memsize); - - if (this->hashtable_) - { - for (size_t i = 0; i < this->size_; i++) - this->hashtable_[i] = 0; - } - else - { - this->size_ = 0; - // should indicate something is wrong to the user. - } -} - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::~JAWS_Cache_Hash (void) -{ - if (this->hashtable_) - { - for (size_t i = 0; i < this->size_; i++) - { - if (this->hashtable_[i]) - { - - ACE_DES_FREE_TEMPLATE3(this->hashtable_[i], - this->allocator_->free, - JAWS_Hash_Bucket_Manager, - EXT_ID, - JAWS_Cache_Object *, - EQ_FUNC); - - - - - - this->hashtable_[i] = 0; - } - } - this->allocator_->free (this->hashtable_); - this->hashtable_ = 0; - } - - this->allocator_ = 0; -} - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> int -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::find (const EXT_ID &ext_id) const -{ - unsigned long hash_idx = this->hash (ext_id); - - if (this->hashtable_[hash_idx] == 0) - return -1; - - return this->hashtable_[hash_idx]->find (ext_id); -} - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> int -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::find (const EXT_ID &ext_id, - JAWS_Cache_Object *&int_id) const -{ - unsigned long hash_idx = this->hash (ext_id); - - if (this->hashtable_[hash_idx] == 0) - return -1; - - return this->hashtable_[hash_idx]->find (ext_id, int_id); -} - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> int -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::bind (const EXT_ID &ext_id, - JAWS_Cache_Object *const &int_id) -{ - int result; - unsigned long hash_idx = this->hash (ext_id); - - if (this->hashtable_[hash_idx] == 0) - { - ACE_Guard<ACE_SYNCH_MUTEX> g (this->lock_); - - if (this->new_cachebucket (hash_idx) == -1) - return -1; - - result = this->hashtable_[hash_idx]->bind (ext_id, int_id); - } - else - result = this->hashtable_[hash_idx]->bind (ext_id, int_id); - - return result; -} - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> int -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::trybind (const EXT_ID &ext_id, - JAWS_Cache_Object *&int_id) -{ - int result; - unsigned long hash_idx = this->hash (ext_id); - - if (this->hashtable_[hash_idx] == 0) - { - ACE_Guard<ACE_SYNCH_MUTEX> g (this->lock_); - - if (this->new_cachebucket (hash_idx) == -1) - return -1; - - result = this->hashtable_[hash_idx]->trybind (ext_id, int_id); - } - else - result = this->hashtable_[hash_idx]->trybind (ext_id, int_id); - - return result; -} - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> int -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::rebind (const EXT_ID &ext_id, - JAWS_Cache_Object *const &int_id, - EXT_ID &old_ext_id, - JAWS_Cache_Object *&old_int_id) -{ - int result; - unsigned long hash_idx = this->hash (ext_id); - - if (this->hashtable_[hash_idx] == 0) - { - ACE_Guard<ACE_SYNCH_MUTEX> g (this->lock_); - - if (this->new_cachebucket (hash_idx) == -1) - return -1; - - result = this->hashtable_[hash_idx]->rebind (ext_id, int_id, - old_ext_id, old_int_id); - } - else - result = this->hashtable_[hash_idx]->rebind (ext_id, int_id, - old_ext_id, old_int_id); - - return result; -} - - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> int -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::unbind (const EXT_ID &ext_id) -{ - unsigned long hash_idx = this->hash (ext_id); - - if (this->hashtable_[hash_idx] == 0) - return -1; - - return this->hashtable_[hash_idx]->unbind (ext_id); -} - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> int -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::unbind (const EXT_ID &ext_id, - JAWS_Cache_Object *&int_id) -{ - unsigned long hash_idx = this->hash (ext_id); - - if (this->hashtable_[hash_idx] == 0) - return -1; - - return this->hashtable_[hash_idx]->unbind (ext_id, int_id); -} - - -template <class EXT_ID, class HASH_FUNC, class EQ_FUNC> size_t -JAWS_Cache_Hash<EXT_ID,HASH_FUNC,EQ_FUNC>::size (void) const -{ - return this->size_; -} - - - - -#endif /* JAWS_CACHEHASH_T_CPP */ |