diff options
Diffstat (limited to 'src/unstable')
-rw-r--r-- | src/unstable/cachebase.h | 28 | ||||
-rw-r--r-- | src/unstable/cacheobject.h | 34 | ||||
-rw-r--r-- | src/unstable/myriadcache.h | 8 |
3 files changed, 58 insertions, 12 deletions
diff --git a/src/unstable/cachebase.h b/src/unstable/cachebase.h index af2884c..bb543dd 100644 --- a/src/unstable/cachebase.h +++ b/src/unstable/cachebase.h | |||
@@ -328,6 +328,7 @@ namespace Bu | |||
328 | 328 | ||
329 | typedef CacheEntry<keytype, obtype> Entry; | 329 | typedef CacheEntry<keytype, obtype> Entry; |
330 | typedef Bu::List<keytype> KeyList; | 330 | typedef Bu::List<keytype> KeyList; |
331 | typedef CacheObject<keytype, obtype> ObjectType; | ||
331 | 332 | ||
332 | CachePtr<keytype, obtype> insert( obtype *pObject ) | 333 | CachePtr<keytype, obtype> insert( obtype *pObject ) |
333 | { | 334 | { |
@@ -466,7 +467,10 @@ namespace Bu | |||
466 | virtual void _create( const obtype *o )=0; | 467 | virtual void _create( const obtype *o )=0; |
467 | virtual void _erase( const keytype &k )=0; | 468 | virtual void _erase( const keytype &k )=0; |
468 | 469 | ||
469 | virtual obtype *_load( const keytype &k )=0; | 470 | virtual obtype *_load( |
471 | typename Bu::CacheObject<keytype, obtype>::Initializer &initObj, | ||
472 | const keytype &k | ||
473 | )=0; | ||
470 | virtual void _save( const obtype *o )=0; | 474 | virtual void _save( const obtype *o )=0; |
471 | 475 | ||
472 | virtual void _sync()=0; | 476 | virtual void _sync()=0; |
@@ -481,7 +485,10 @@ namespace Bu | |||
481 | hChanged.insert( pObject->getKey(), true ); | 485 | hChanged.insert( pObject->getKey(), true ); |
482 | mCacheEntry.unlockWrite(); | 486 | mCacheEntry.unlockWrite(); |
483 | _create( pObject ); | 487 | _create( pObject ); |
484 | pObject->setCache( this, pEnt ); | 488 | // I'm not sold on the ordering here...or the fact we're not |
489 | // using th initilizer | ||
490 | pObject->setCache( this ); | ||
491 | pObject->setCacheEntry( pEnt ); | ||
485 | 492 | ||
486 | return pEnt; | 493 | return pEnt; |
487 | } | 494 | } |
@@ -497,9 +504,12 @@ namespace Bu | |||
497 | catch(...) | 504 | catch(...) |
498 | { | 505 | { |
499 | // try to load the object from the backing store | 506 | // try to load the object from the backing store |
500 | obtype *pObject = _load( k ); | 507 | typename ObjectType::Initializer initObj( |
508 | this | ||
509 | ); | ||
510 | obtype *pObject = _load( initObj, k ); | ||
501 | pEnt = new Entry( pObject ); | 511 | pEnt = new Entry( pObject ); |
502 | pObject->setCache( this, pEnt ); | 512 | pObject->setCacheEntry( pEnt ); |
503 | Bu::ReadWriteMutex::WriteLocker wl( mCacheEntry ); | 513 | Bu::ReadWriteMutex::WriteLocker wl( mCacheEntry ); |
504 | hCacheEntry.insert( k, pEnt ); | 514 | hCacheEntry.insert( k, pEnt ); |
505 | } | 515 | } |
@@ -536,11 +546,15 @@ namespace Bu | |||
536 | ar << *pObject; | 546 | ar << *pObject; |
537 | } | 547 | } |
538 | 548 | ||
539 | template<typename obtype> | 549 | template<typename keytype, typename obtype> |
540 | obtype *_cacheObjectLoad( Bu::Stream &s ) | 550 | obtype *_cacheObjectLoad( |
551 | typename Bu::CacheObject<keytype, obtype>::Initializer &initObject, | ||
552 | const keytype & /*rKey*/, | ||
553 | Bu::Stream &s | ||
554 | ) | ||
541 | { | 555 | { |
542 | Bu::Archive ar( s, Bu::Archive::load ); | 556 | Bu::Archive ar( s, Bu::Archive::load ); |
543 | obtype *ret = new obtype(); | 557 | obtype *ret = initObject(new obtype()); |
544 | ar >> *ret; | 558 | ar >> *ret; |
545 | return ret; | 559 | return ret; |
546 | } | 560 | } |
diff --git a/src/unstable/cacheobject.h b/src/unstable/cacheobject.h index e83f706..ca70bb4 100644 --- a/src/unstable/cacheobject.h +++ b/src/unstable/cacheobject.h | |||
@@ -21,6 +21,7 @@ namespace Bu | |||
21 | class CacheObject | 21 | class CacheObject |
22 | { | 22 | { |
23 | friend class CacheBase<keytype, obtype>; | 23 | friend class CacheBase<keytype, obtype>; |
24 | //friend class CacheObject<keytype, obtype>::Initializer; | ||
24 | public: | 25 | public: |
25 | CacheObject() : | 26 | CacheObject() : |
26 | pCache( NULL ), | 27 | pCache( NULL ), |
@@ -35,6 +36,7 @@ namespace Bu | |||
35 | 36 | ||
36 | typedef CacheObject<keytype, obtype> MyType; | 37 | typedef CacheObject<keytype, obtype> MyType; |
37 | typedef CacheBase<keytype, obtype> CacheType; | 38 | typedef CacheBase<keytype, obtype> CacheType; |
39 | typedef CacheEntry<keytype, obtype> EntryType; | ||
38 | 40 | ||
39 | virtual keytype getKey() const=0; | 41 | virtual keytype getKey() const=0; |
40 | virtual int getPersistenceScore() const { return 0; } | 42 | virtual int getPersistenceScore() const { return 0; } |
@@ -94,18 +96,44 @@ namespace Bu | |||
94 | { | 96 | { |
95 | return pCache; | 97 | return pCache; |
96 | } | 98 | } |
99 | |||
100 | public: | ||
101 | class Initializer | ||
102 | { | ||
103 | friend class CacheBase<keytype,obtype>; | ||
104 | private: | ||
105 | Initializer( CacheBase<keytype,obtype> *pCache ) : | ||
106 | pCache( pCache ) | ||
107 | { | ||
108 | } | ||
109 | |||
110 | public: | ||
111 | template<typename subtype> | ||
112 | subtype *operator()( subtype *pNewObj ) | ||
113 | { | ||
114 | pNewObj->setCache( pCache ); | ||
115 | return pNewObj; | ||
116 | } | ||
117 | |||
118 | private: | ||
119 | CacheBase<keytype,obtype> *pCache; | ||
120 | }; | ||
121 | |||
97 | 122 | ||
98 | private: | 123 | private: |
99 | typedef CacheEntry<keytype, obtype> Entry; | 124 | void setCache( CacheType *pCache ) |
100 | void setCache( CacheType *pCache, Entry *pEntry ) | ||
101 | { | 125 | { |
102 | this->pCache = pCache; | 126 | this->pCache = pCache; |
127 | } | ||
128 | |||
129 | void setCacheEntry( EntryType *pEntry ) | ||
130 | { | ||
103 | this->pEntry = pEntry; | 131 | this->pEntry = pEntry; |
104 | } | 132 | } |
105 | 133 | ||
106 | private: | 134 | private: |
107 | CacheType *pCache; | 135 | CacheType *pCache; |
108 | Entry *pEntry; | 136 | EntryType *pEntry; |
109 | bool bChanged; | 137 | bool bChanged; |
110 | }; | 138 | }; |
111 | } | 139 | } |
diff --git a/src/unstable/myriadcache.h b/src/unstable/myriadcache.h index 9bc926f..d19395a 100644 --- a/src/unstable/myriadcache.h +++ b/src/unstable/myriadcache.h | |||
@@ -54,6 +54,7 @@ namespace Bu | |||
54 | } | 54 | } |
55 | 55 | ||
56 | using typename Bu::CacheBase<keytype,obtype>::KeyList; | 56 | using typename Bu::CacheBase<keytype,obtype>::KeyList; |
57 | using typename Bu::CacheBase<keytype,obtype>::ObjectType; | ||
57 | 58 | ||
58 | virtual typename Bu::CacheBase<keytype,obtype>::KeyList getKeys() const | 59 | virtual typename Bu::CacheBase<keytype,obtype>::KeyList getKeys() const |
59 | { | 60 | { |
@@ -92,10 +93,13 @@ namespace Bu | |||
92 | bStructureChanged = true; | 93 | bStructureChanged = true; |
93 | } | 94 | } |
94 | 95 | ||
95 | virtual obtype *_load( const keytype &k ) | 96 | virtual obtype *_load( |
97 | typename Bu::CacheObject<keytype, obtype>::Initializer &initObj, | ||
98 | const keytype &k | ||
99 | ) | ||
96 | { | 100 | { |
97 | Bu::MyriadStream ms = mStore.openStream( hIndex.get( k ) ); | 101 | Bu::MyriadStream ms = mStore.openStream( hIndex.get( k ) ); |
98 | return _cacheObjectLoad<obtype>( ms ); | 102 | return _cacheObjectLoad<keytype, obtype>( initObj, k, ms ); |
99 | } | 103 | } |
100 | 104 | ||
101 | virtual void _save( const obtype *o ) | 105 | virtual void _save( const obtype *o ) |