diff options
Diffstat (limited to 'src/cachestorenids.h')
-rw-r--r-- | src/cachestorenids.h | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/src/cachestorenids.h b/src/cachestorenids.h deleted file mode 100644 index 293f521..0000000 --- a/src/cachestorenids.h +++ /dev/null | |||
@@ -1,158 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2007-2010 Xagasoft, All rights reserved. | ||
3 | * | ||
4 | * This file is part of the libbu++ library and is released under the | ||
5 | * terms of the license contained in the file LICENSE. | ||
6 | */ | ||
7 | |||
8 | #ifndef BU_CACHE_STORE_NIDS_H | ||
9 | #define BU_CACHE_STORE_NIDS_H | ||
10 | |||
11 | #include "bu/fstring.h" | ||
12 | #include "bu/stream.h" | ||
13 | #include "bu/nids.h" | ||
14 | #include "bu/nidsstream.h" | ||
15 | #include "bu/cachestore.h" | ||
16 | |||
17 | #include "bu/file.h" | ||
18 | #include "bu/archive.h" | ||
19 | |||
20 | namespace Bu | ||
21 | { | ||
22 | template<class keytype, class obtype> | ||
23 | keytype __cacheGetKey( const obtype *pObj ); | ||
24 | |||
25 | template<class keytype, class obtype> | ||
26 | obtype *__cacheStoreNidsAlloc( const keytype &key ) | ||
27 | { | ||
28 | return new obtype(); | ||
29 | } | ||
30 | |||
31 | template<class keytype, class obtype> | ||
32 | void __cacheStoreNidsStore( Bu::Stream &s, obtype &rObj, | ||
33 | const keytype & ) | ||
34 | { | ||
35 | Bu::Archive ar( s, Bu::Archive::save ); | ||
36 | ar << rObj; | ||
37 | } | ||
38 | |||
39 | template<class keytype, class obtype> | ||
40 | obtype *__cacheStoreNidsLoad( Bu::Stream &s, const keytype &key ) | ||
41 | { | ||
42 | obtype *pObj = __cacheStoreNidsAlloc<keytype, obtype>( key ); | ||
43 | Bu::Archive ar( s, Bu::Archive::load ); | ||
44 | ar >> (*pObj); | ||
45 | return pObj; | ||
46 | } | ||
47 | |||
48 | template<class keytype, class obtype> | ||
49 | class CacheStoreNids : public CacheStore<keytype, obtype> | ||
50 | { | ||
51 | public: | ||
52 | CacheStoreNids( Bu::Stream &sArch, | ||
53 | int iBlockSize=1024, int iPreAllocate=1 ) : | ||
54 | nStore( sArch ) | ||
55 | { | ||
56 | try | ||
57 | { | ||
58 | nStore.initialize(); | ||
59 | NidsStream ns = nStore.openStream( 0 ); | ||
60 | Bu::Archive ar( ns, Bu::Archive::load ); | ||
61 | ar >> hId; | ||
62 | } | ||
63 | catch( Bu::NidsException &e ) | ||
64 | { | ||
65 | nStore.initialize( iBlockSize, iPreAllocate ); | ||
66 | int iStream = nStore.createStream(); | ||
67 | if( iStream != 0 ) | ||
68 | throw Bu::ExceptionBase("That's...horrible...id = %d.\n\n", iStream ); | ||
69 | NidsStream ns = nStore.openStream( 0 ); | ||
70 | Bu::Archive ar( ns, Bu::Archive::save ); | ||
71 | ar << hId; | ||
72 | } | ||
73 | } | ||
74 | |||
75 | virtual ~CacheStoreNids() | ||
76 | { | ||
77 | NidsStream ns = nStore.openStream( 0 ); | ||
78 | Bu::Archive ar( ns, Bu::Archive::save ); | ||
79 | ar << hId; | ||
80 | } | ||
81 | |||
82 | virtual obtype *load( const keytype &key ) | ||
83 | { | ||
84 | int iStream = hId.get( key ); | ||
85 | NidsStream ns = nStore.openStream( iStream ); | ||
86 | obtype *pOb = __cacheStoreNidsLoad<keytype, obtype>( ns, key ); | ||
87 | return pOb; | ||
88 | } | ||
89 | |||
90 | virtual void unload( obtype *pObj, const keytype &key ) | ||
91 | { | ||
92 | delete pObj; | ||
93 | } | ||
94 | |||
95 | virtual keytype create( obtype *pSrc ) | ||
96 | { | ||
97 | keytype key = __cacheGetKey<keytype, obtype>( pSrc ); | ||
98 | int iStream = nStore.createStream(); | ||
99 | hId.insert( key, iStream ); | ||
100 | NidsStream ns = nStore.openStream( iStream ); | ||
101 | __cacheStoreNidsStore<keytype, obtype>( ns, *pSrc, key ); | ||
102 | return key; | ||
103 | } | ||
104 | |||
105 | virtual void sync() | ||
106 | { | ||
107 | NidsStream ns = nStore.openStream( 0 ); | ||
108 | Bu::Archive ar( ns, Bu::Archive::save ); | ||
109 | ar << hId; | ||
110 | } | ||
111 | |||
112 | virtual void sync( obtype *pSrc, const keytype &key ) | ||
113 | { | ||
114 | int iStream = hId.get( key ); | ||
115 | NidsStream ns = nStore.openStream( iStream ); | ||
116 | __cacheStoreNidsStore<keytype, obtype>( ns, *pSrc, key ); | ||
117 | } | ||
118 | |||
119 | virtual void destroy( obtype *pObj, const keytype &key ) | ||
120 | { | ||
121 | int iStream = hId.get( key ); | ||
122 | nStore.deleteStream( iStream ); | ||
123 | hId.erase( key ); | ||
124 | delete pObj; | ||
125 | sync(); | ||
126 | } | ||
127 | |||
128 | virtual void destroy( const keytype &key ) | ||
129 | { | ||
130 | int iStream = hId.get( key ); | ||
131 | nStore.deleteStream( iStream ); | ||
132 | hId.erase( key ); | ||
133 | sync(); | ||
134 | } | ||
135 | |||
136 | virtual bool has( const keytype &key ) | ||
137 | { | ||
138 | return hId.has( key ); | ||
139 | } | ||
140 | |||
141 | virtual Bu::List<keytype> getKeys() | ||
142 | { | ||
143 | return hId.getKeys(); | ||
144 | } | ||
145 | |||
146 | virtual int getSize() | ||
147 | { | ||
148 | return hId.getSize(); | ||
149 | } | ||
150 | |||
151 | private: | ||
152 | Nids nStore; | ||
153 | typedef Bu::Hash<keytype, long> NidHash; | ||
154 | NidHash hId; | ||
155 | }; | ||
156 | }; | ||
157 | |||
158 | #endif | ||