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authorMike Buland <eichlan@xagasoft.com>2012-11-05 22:41:51 +0000
committerMike Buland <eichlan@xagasoft.com>2012-11-05 22:41:51 +0000
commitec05778d5718a7912e506764d443a78d6a6179e3 (patch)
tree78a9a01532180030c095acefc45763f07c14edb8 /src/experimental/cachestoremyriad.h
parentb20414ac1fe80a71a90601f4cd1767fa7014a9ba (diff)
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Diffstat (limited to 'src/experimental/cachestoremyriad.h')
-rw-r--r--src/experimental/cachestoremyriad.h270
1 files changed, 135 insertions, 135 deletions
diff --git a/src/experimental/cachestoremyriad.h b/src/experimental/cachestoremyriad.h
index 1953b61..01fe307 100644
--- a/src/experimental/cachestoremyriad.h
+++ b/src/experimental/cachestoremyriad.h
@@ -18,141 +18,141 @@
18 18
19namespace Bu 19namespace Bu
20{ 20{
21 template<class keytype, class obtype> 21 template<class keytype, class obtype>
22 keytype __cacheGetKey( const obtype *pObj ); 22 keytype __cacheGetKey( const obtype *pObj );
23 23
24 template<class keytype, class obtype> 24 template<class keytype, class obtype>
25 obtype *__cacheStoreMyriadAlloc( const keytype &key ) 25 obtype *__cacheStoreMyriadAlloc( const keytype &key )
26 { 26 {
27 return new obtype(); 27 return new obtype();
28 } 28 }
29 29
30 template<class keytype, class obtype> 30 template<class keytype, class obtype>
31 void __cacheStoreMyriadStore( Bu::Stream &s, obtype &rObj, 31 void __cacheStoreMyriadStore( Bu::Stream &s, obtype &rObj,
32 const keytype & ) 32 const keytype & )
33 { 33 {
34 Bu::Archive ar( s, Bu::Archive::save ); 34 Bu::Archive ar( s, Bu::Archive::save );
35 ar << rObj; 35 ar << rObj;
36 } 36 }
37 37
38 template<class keytype, class obtype> 38 template<class keytype, class obtype>
39 obtype *__cacheStoreMyriadLoad( Bu::Stream &s, const keytype &key ) 39 obtype *__cacheStoreMyriadLoad( Bu::Stream &s, const keytype &key )
40 { 40 {
41 obtype *pObj = __cacheStoreMyriadAlloc<keytype, obtype>( key ); 41 obtype *pObj = __cacheStoreMyriadAlloc<keytype, obtype>( key );
42 Bu::Archive ar( s, Bu::Archive::load ); 42 Bu::Archive ar( s, Bu::Archive::load );
43 ar >> (*pObj); 43 ar >> (*pObj);
44 return pObj; 44 return pObj;
45 } 45 }
46 46
47 template<class keytype, class obtype> 47 template<class keytype, class obtype>
48 class CacheStoreMyriad : public CacheStore<keytype, obtype> 48 class CacheStoreMyriad : public CacheStore<keytype, obtype>
49 { 49 {
50 public: 50 public:
51 CacheStoreMyriad( Bu::Stream &sArch, 51 CacheStoreMyriad( Bu::Stream &sArch,
52 int iBlockSize=512, int iPreAllocate=8 ) : 52 int iBlockSize=512, int iPreAllocate=8 ) :
53 mStore( sArch, iBlockSize, iPreAllocate ) 53 mStore( sArch, iBlockSize, iPreAllocate )
54 { 54 {
55 try 55 try
56 { 56 {
57 MyriadStream ns = mStore.openStream( 1 ); 57 MyriadStream ns = mStore.openStream( 1 );
58 Bu::Archive ar( ns, Bu::Archive::load ); 58 Bu::Archive ar( ns, Bu::Archive::load );
59 ar >> hId; 59 ar >> hId;
60 } 60 }
61 catch( Bu::MyriadException &e ) 61 catch( Bu::MyriadException &e )
62 { 62 {
63 int iStream = mStore.createStream(); 63 int iStream = mStore.createStream();
64 if( iStream != 1 ) 64 if( iStream != 1 )
65 throw Bu::ExceptionBase("That's...horrible...id = %d.\n\n", 65 throw Bu::ExceptionBase("That's...horrible...id = %d.\n\n",
66 iStream ); 66 iStream );
67 MyriadStream ns = mStore.openStream( 1 ); 67 MyriadStream ns = mStore.openStream( 1 );
68 Bu::Archive ar( ns, Bu::Archive::save ); 68 Bu::Archive ar( ns, Bu::Archive::save );
69 ar << hId; 69 ar << hId;
70 } 70 }
71 } 71 }
72 72
73 virtual ~CacheStoreMyriad() 73 virtual ~CacheStoreMyriad()
74 { 74 {
75 MyriadStream ns = mStore.openStream( 1 ); 75 MyriadStream ns = mStore.openStream( 1 );
76 Bu::Archive ar( ns, Bu::Archive::save ); 76 Bu::Archive ar( ns, Bu::Archive::save );
77 ar << hId; 77 ar << hId;
78 } 78 }
79 79
80 virtual obtype *load( const keytype &key ) 80 virtual obtype *load( const keytype &key )
81 { 81 {
82 int iStream = hId.get( key ); 82 int iStream = hId.get( key );
83 MyriadStream ns = mStore.openStream( iStream ); 83 MyriadStream ns = mStore.openStream( iStream );
84 obtype *pOb = __cacheStoreMyriadLoad<keytype, obtype>( ns, key ); 84 obtype *pOb = __cacheStoreMyriadLoad<keytype, obtype>( ns, key );
85 return pOb; 85 return pOb;
86 } 86 }
87 87
88 virtual void unload( obtype *pObj, const keytype & ) 88 virtual void unload( obtype *pObj, const keytype & )
89 { 89 {
90 delete pObj; 90 delete pObj;
91 } 91 }
92 92
93 virtual keytype create( obtype *pSrc ) 93 virtual keytype create( obtype *pSrc )
94 { 94 {
95 keytype key = __cacheGetKey<keytype, obtype>( pSrc ); 95 keytype key = __cacheGetKey<keytype, obtype>( pSrc );
96 int iStream = mStore.createStream(); 96 int iStream = mStore.createStream();
97 hId.insert( key, iStream ); 97 hId.insert( key, iStream );
98 MyriadStream ns = mStore.openStream( iStream ); 98 MyriadStream ns = mStore.openStream( iStream );
99 __cacheStoreMyriadStore<keytype, obtype>( ns, *pSrc, key ); 99 __cacheStoreMyriadStore<keytype, obtype>( ns, *pSrc, key );
100 ns.setSize( ns.tell() ); 100 ns.setSize( ns.tell() );
101 return key; 101 return key;
102 } 102 }
103 103
104 virtual void sync() 104 virtual void sync()
105 { 105 {
106 MyriadStream ns = mStore.openStream( 1 ); 106 MyriadStream ns = mStore.openStream( 1 );
107 Bu::Archive ar( ns, Bu::Archive::save ); 107 Bu::Archive ar( ns, Bu::Archive::save );
108 ar << hId; 108 ar << hId;
109 ns.setSize( ns.tell() ); 109 ns.setSize( ns.tell() );
110 mStore.sync(); 110 mStore.sync();
111 } 111 }
112 112
113 virtual void sync( obtype *pSrc, const keytype &key ) 113 virtual void sync( obtype *pSrc, const keytype &key )
114 { 114 {
115 int iStream = hId.get( key ); 115 int iStream = hId.get( key );
116 MyriadStream ns = mStore.openStream( iStream ); 116 MyriadStream ns = mStore.openStream( iStream );
117 __cacheStoreMyriadStore<keytype, obtype>( ns, *pSrc, key ); 117 __cacheStoreMyriadStore<keytype, obtype>( ns, *pSrc, key );
118 ns.setSize( ns.tell() ); 118 ns.setSize( ns.tell() );
119 } 119 }
120 120
121 virtual void destroy( obtype *pObj, const keytype &key ) 121 virtual void destroy( obtype *pObj, const keytype &key )
122 { 122 {
123 int iStream = hId.get( key ); 123 int iStream = hId.get( key );
124 mStore.deleteStream( iStream ); 124 mStore.deleteStream( iStream );
125 hId.erase( key ); 125 hId.erase( key );
126 delete pObj; 126 delete pObj;
127 } 127 }
128 128
129 virtual void destroy( const keytype &key ) 129 virtual void destroy( const keytype &key )
130 { 130 {
131 int iStream = hId.get( key ); 131 int iStream = hId.get( key );
132 mStore.deleteStream( iStream ); 132 mStore.deleteStream( iStream );
133 hId.erase( key ); 133 hId.erase( key );
134 } 134 }
135 135
136 virtual bool has( const keytype &key ) 136 virtual bool has( const keytype &key )
137 { 137 {
138 return hId.has( key ); 138 return hId.has( key );
139 } 139 }
140 140
141 virtual Bu::List<keytype> getKeys() 141 virtual Bu::List<keytype> getKeys()
142 { 142 {
143 return hId.getKeys(); 143 return hId.getKeys();
144 } 144 }
145 145
146 virtual int getSize() 146 virtual int getSize()
147 { 147 {
148 return hId.getSize(); 148 return hId.getSize();
149 } 149 }
150 150
151 private: 151 private:
152 Myriad mStore; 152 Myriad mStore;
153 typedef Bu::Hash<keytype, long> StreamHash; 153 typedef Bu::Hash<keytype, long> StreamHash;
154 StreamHash hId; 154 StreamHash hId;
155 }; 155 };
156}; 156};
157 157
158#endif 158#endif