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| # | Location | File | Last Modified |
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| 1 | C:\AraxisMergeCompare\Pri_un\IV-ehmp_cif\CacheImplMemory\main\src\java\gov\va\med\imaging\storage\cache\impl\memory | MemoryInstanceByteChannelFactory.java | Thu Jun 29 17:22:25 2017 UTC |
| 2 | C:\AraxisMergeCompare\Pri_re\IV-ehmp_cif\CacheImplMemory\main\src\java\gov\va\med\imaging\storage\cache\impl\memory | MemoryInstanceByteChannelFactory.java | Fri Jul 7 16:36:29 2017 UTC |
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| 1 | /** | |
| 2 | * | |
| 3 | */ | |
| 4 | package go v.va.med.i maging.sto rage.cache .impl.memo ry; | |
| 5 | ||
| 6 | import gov .va.med.im aging.stor age.cache. InstanceBy teChannelF actory; | |
| 7 | import gov .va.med.im aging.stor age.cache. InstanceBy teChannelL istener; | |
| 8 | import gov .va.med.im aging.stor age.cache. InstanceRe adableByte Channel; | |
| 9 | import gov .va.med.im aging.stor age.cache. InstanceWr itableByte Channel; | |
| 10 | import gov .va.med.im aging.stor age.cache. TracableCo mponent; | |
| 11 | import gov .va.med.im aging.stor age.cache. exceptions .CacheExce ption; | |
| 12 | import gov .va.med.im aging.stor age.cache. exceptions .Persisten ceIOExcept ion; | |
| 13 | import gov .va.med.im aging.stor age.cache. impl.memor y.data.Mem oryInstanc eData; | |
| 14 | import gov .va.med.im aging.stor age.cache. impl.memor y.data.Mem oryInstanc eDataFacto ry; | |
| 15 | import gov .va.med.im aging.stor age.cache. memento.By teChannelF actoryMeme nto; | |
| 16 | ||
| 17 | import jav a.io.File; | |
| 18 | import jav a.io.IOExc eption; | |
| 19 | import jav a.nio.Byte Buffer; | |
| 20 | import jav a.util.Has hSet; | |
| 21 | import jav a.util.Set ; | |
| 22 | import jav a.util.zip .Checksum; | |
| 23 | ||
| 24 | /** | |
| 25 | * @author R E DA C T E D | |
| 26 | * | |
| 27 | */ | |
| 28 | public cla ss MemoryI nstanceByt eChannelFa ctory | |
| 29 | implements InstanceB yteChannel Factory<In teger>, In stanceByte ChannelLis tener | |
| 30 | { | |
| 31 | pu blic final static in t maxInsta nceSize = 4096; | |
| 32 | pr ivate long sweepTime = 1000; | |
| 33 | pr ivate long maxChanne lOpenDurat ion = 1000 0; | |
| 34 | pr ivate bool ean traceC hannelInst antiation; | |
| 35 | pr ivate int currentlyO penReadabl eByteChann els = 0; | |
| 36 | pr ivate int currentlyO penWritabl eByteChann els = 0; | |
| 37 | pr ivate Memo ryInstance DataFactor y instance Factory; | |
| 38 | ||
| 39 | pu blic Memor yInstanceB yteChannel Factory(Me moryInstan ceDataFact ory instan ceFactory) | |
| 40 | { | |
| 41 | this .instanceF actory = i nstanceFac tory; | |
| 42 | } | |
| 43 | ||
| 44 | pu blic Memor yInstanceD ataFactory getInstan ceFactory( ) | |
| 45 | { | |
| 46 | retu rn instanc eFactory; | |
| 47 | } | |
| 48 | ||
| 49 | pu blic int g etCurrentl yOpenReada bleByteCha nnels() | |
| 50 | { | |
| 51 | retu rn current lyOpenRead ableByteCh annels; | |
| 52 | } | |
| 53 | ||
| 54 | pu blic int g etCurrentl yOpenWrita bleByteCha nnels() | |
| 55 | { | |
| 56 | retu rn current lyOpenWrit ableByteCh annels; | |
| 57 | } | |
| 58 | ||
| 59 | /* (non-Java doc) | |
| 60 | * @see gov. va.med.ima ging.stora ge.cache.I nstanceByt eChannelFa ctory#getI nstanceRea dableByteC hannel(jav a.lang.Obj ect, gov.v a.med.imag ing.storag e.cache.In stanceByte ChannelLis tener) | |
| 61 | * / | |
| 62 | pu blic Insta nceReadabl eByteChann el getInst anceReadab leByteChan nel(Intege r instance Id, Instan ceByteChan nelListene r timeoutL istener) | |
| 63 | th rows Persi stenceIOEx ception, C acheExcept ion | |
| 64 | { | |
| 65 | Memo ryInstance Data insta nce = getI nstanceFac tory().get (instanceI d); | |
| 66 | if(i nstance != null) | |
| 67 | { | |
| 68 | Instan ceReadable ByteChanne l readable = new Moc kInstanceR eadableByt eChannel(i nstance); | |
| 69 | ++curr entlyOpenR eadableByt eChannels; | |
| 70 | return readable; | |
| 71 | } | |
| 72 | ||
| 73 | retu rn null; | |
| 74 | } | |
| 75 | ||
| 76 | /* (non-Java doc) | |
| 77 | * @see gov. va.med.ima ging.stora ge.cache.I nstanceByt eChannelFa ctory#getI nstanceWri tableByteC hannel(jav a.lang.Obj ect, gov.v a.med.imag ing.storag e.cache.In stanceByte ChannelLis tener) | |
| 78 | * / | |
| 79 | pu blic Insta nceWritabl eByteChann el getInst anceWritab leByteChan nel(Intege r instance Id, Instan ceByteChan nelListene r timeoutL istener) | |
| 80 | th rows Persi stenceIOEx ception, C acheExcept ion | |
| 81 | { | |
| 82 | Memo ryInstance Data insta nceData = getInstanc eFactory() .getOrCrea te(instanc eId, maxIn stanceSize ); | |
| 83 | Inst anceWritab leByteChan nel writab le = new M ockInstanc eWritableB yteChannel (instanceD ata); | |
| 84 | ++cu rrentlyOpe nReadableB yteChannel s; | |
| 85 | retu rn writabl e; | |
| 86 | } | |
| 87 | ||
| 88 | /* * | |
| 89 | * @param id | |
| 90 | * / | |
| 91 | pu blic void remove(Int eger insta nceId) | |
| 92 | { | |
| 93 | getI nstanceFac tory().ins tanceRemov ed(instanc eId); | |
| 94 | } | |
| 95 | ||
| 96 | /* (non-Java doc) | |
| 97 | * @see gov. va.med.ima ging.stora ge.cache.I nstanceByt eChannelFa ctory#getM axChannelO penDuratio n() | |
| 98 | * / | |
| 99 | pu blic long getMaxChan nelOpenDur ation() | |
| 100 | { | |
| 101 | retu rn maxChan nelOpenDur ation; | |
| 102 | } | |
| 103 | ||
| 104 | pu blic void setMaxChan nelOpenDur ation(long max) | |
| 105 | { | |
| 106 | this .maxChanne lOpenDurat ion = max; | |
| 107 | } | |
| 108 | ||
| 109 | pu blic long getSweepTi me() | |
| 110 | { | |
| 111 | retu rn sweepTi me; | |
| 112 | } | |
| 113 | ||
| 114 | pu blic void setSweepTi me(long sw eep) | |
| 115 | { | |
| 116 | this .sweepTime = sweep; | |
| 117 | } | |
| 118 | ||
| 119 | /* (non-Java doc) | |
| 120 | * @see gov. va.med.ima ging.stora ge.cache.I nstanceByt eChannelFa ctory#isTr aceChannel Instantiat ion() | |
| 121 | * / | |
| 122 | pu blic boole an isTrace ChannelIns tantiation () | |
| 123 | { | |
| 124 | retu rn traceCh annelInsta ntiation; | |
| 125 | } | |
| 126 | ||
| 127 | pu blic void setTraceCh annelInsta ntiation(b oolean tra ceChannelI nstantiati on) | |
| 128 | { | |
| 129 | this .traceChan nelInstant iation = t raceChanne lInstantia tion; | |
| 130 | } | |
| 131 | ||
| 132 | // ========= ========== ========== ========== ========== ========== ========== ========== ========== ========== ======= | |
| 133 | // InstanceB yteChannel Listener | |
| 134 | // ========= ========== ========== ========== ========== ========== ========== ========== ========== ========== ======= | |
| 135 | pu blic void readChanne lClose(Ins tanceReada bleByteCha nnel reada ble) | |
| 136 | { | |
| 137 | --cu rrentlyOpe nReadableB yteChannel s; | |
| 138 | } | |
| 139 | ||
| 140 | pu blic void readChanne lIdleTimeo ut(Instanc eReadableB yteChannel readable) | |
| 141 | { | |
| 142 | --cu rrentlyOpe nReadableB yteChannel s; | |
| 143 | } | |
| 144 | ||
| 145 | pu blic void writeChann elClose(In stanceWrit ableByteCh annel writ able) | |
| 146 | { | |
| 147 | --cu rrentlyOpe nWritableB yteChannel s; | |
| 148 | } | |
| 149 | ||
| 150 | pu blic void writeChann elIdleTime out(Instan ceWritable ByteChanne l writable ) | |
| 151 | { | |
| 152 | --cu rrentlyOpe nWritableB yteChannel s; | |
| 153 | } | |
| 154 | ||
| 155 | // ========= ========== ========== ========== ========== ========== ========== ========== ========== ========== ======= | |
| 156 | // State Ser ialization | |
| 157 | // ========= ========== ========== ========== ========== ========== ========== ========== ========== ========== ======= | |
| 158 | pu blic ByteC hannelFact oryMemento createMem ento() | |
| 159 | { | |
| 160 | retu rn null; | |
| 161 | } | |
| 162 | ||
| 163 | pu blic void restoreMem ento(ByteC hannelFact oryMemento memento) | |
| 164 | { | |
| 165 | } | |
| 166 | ||
| 167 | // ========= ========== ========== ========== ========== ========== ========== ========== ========== ========== ======= | |
| 168 | // ByteChann el Realiza tions | |
| 169 | // ========= ========== ========== ========== ========== ========== ========== ========== ========== ========== ======= | |
| 170 | /* * | |
| 171 | * | |
| 172 | * @author R E DA C T E D | |
| 173 | * | |
| 174 | * / | |
| 175 | cl ass MockIn stanceRead ableByteCh annel | |
| 176 | im plements I nstanceRea dableByteC hannel, Tr acableComp onent | |
| 177 | { | |
| 178 | priv ate Memory InstanceDa ta instanc eData; | |
| 179 | priv ate StackT raceElemen t[] instan tiatingSta ckTrace = null; | |
| 180 | int position = 0; | |
| 181 | priv ate boolea n open = t rue; // t he channel is open w hen it is created | |
| 182 | ||
| 183 | publ ic MockIns tanceReada bleByteCha nnel(Memor yInstanceD ata instan ceData) | |
| 184 | { | |
| 185 | this.i nstanceDat a = instan ceData; | |
| 186 | ||
| 187 | instan tiatingSta ckTrace = Thread.cur rentThread ().getStac kTrace(); | |
| 188 | } | |
| 189 | ||
| 190 | @Ove rride | |
| 191 | publ ic StackTr aceElement [] getInst antiatingS tackTrace( ) | |
| 192 | { | |
| 193 | return instantia tingStackT race; | |
| 194 | } | |
| 195 | ||
| 196 | publ ic Checksu m getCheck sum() | |
| 197 | { | |
| 198 | return null; | |
| 199 | } | |
| 200 | ||
| 201 | publ ic int rea d(ByteBuff er dst) | |
| 202 | thro ws IOExcep tion | |
| 203 | { | |
| 204 | if( !o pen ) | |
| 205 | throw ne w IOExcept ion("Inval id state, channel is already c losed."); | |
| 206 | ||
| 207 | int by tesRead = Math.min(i nstanceDat a.getLimit () - posit ion, dst.r emaining() ); | |
| 208 | if(byt esRead > 0 ) | |
| 209 | dst.put( instanceDa ta.read(po sition, by tesRead)); | |
| 210 | ||
| 211 | positi on += byte sRead; | |
| 212 | ||
| 213 | return bytesRead ; | |
| 214 | } | |
| 215 | ||
| 216 | publ ic void cl ose() | |
| 217 | thro ws IOExcep tion | |
| 218 | { | |
| 219 | open = false; | |
| 220 | notify Listeners( false); | |
| 221 | } | |
| 222 | ||
| 223 | publ ic void er ror() | |
| 224 | thro ws IOExcep tion | |
| 225 | { | |
| 226 | open = false; | |
| 227 | notify Listeners( true); | |
| 228 | } | |
| 229 | ||
| 230 | publ ic boolean isOpen() | |
| 231 | { | |
| 232 | return open; | |
| 233 | } | |
| 234 | ||
| 235 | priv ate Set<In stanceByte ChannelLis tener> lis teners = n ew HashSet <InstanceB yteChannel Listener>( ); | |
| 236 | publ ic void ad dListener( InstanceBy teChannelL istener li stener) | |
| 237 | { | |
| 238 | listen ers.add(li stener); | |
| 239 | } | |
| 240 | publ ic void re moveListen er(Instanc eByteChann elListener listener) | |
| 241 | { | |
| 242 | listen ers.remove (listener) ; | |
| 243 | } | |
| 244 | priv ate void n otifyListe ners(boole an errorCl ose) | |
| 245 | { | |
| 246 | for(In stanceByte ChannelLis tener list ener : lis teners) | |
| 247 | if( erro rClose ) | |
| 248 | listener.r eadChannel IdleTimeou t(this); | |
| 249 | else | |
| 250 | listener.r eadChannel Close(this ); | |
| 251 | } | |
| 252 | ||
| 253 | /* ( non-Javado c) | |
| 254 | * @ see gov.va .med.imagi ng.storage .cache.Ins tanceReada bleByteCha nnel#getLa stAccessed Time() | |
| 255 | */ | |
| 256 | @Ove rride | |
| 257 | publ ic long ge tLastAcces sedTime() | |
| 258 | { | |
| 259 | return System.cu rrentTimeM illis(); | |
| 260 | } | |
| 261 | ||
| 262 | publ ic File ge tCacheFile () | |
| 263 | { | |
| 264 | return null; | |
| 265 | } | |
| 266 | } | |
| 267 | ||
| 268 | /* * | |
| 269 | * | |
| 270 | * @author R E DA C T E D | |
| 271 | * | |
| 272 | * / | |
| 273 | cl ass MockIn stanceWrit ableByteCh annel | |
| 274 | im plements I nstanceWri tableByteC hannel, Tr acableComp onent | |
| 275 | { | |
| 276 | priv ate Memory InstanceDa ta instanc eData; | |
| 277 | int position = 0; | |
| 278 | priv ate boolea n open = t rue; // t he channel is open w hen it is created | |
| 279 | priv ate Checks um checksu m = new ja va.util.zi p.Adler32( ); | |
| 280 | priv ate StackT raceElemen t[] instan tiatingSta ckTrace = null; | |
| 281 | ||
| 282 | publ ic MockIns tanceWrita bleByteCha nnel(Memor yInstanceD ata instan ceData) | |
| 283 | { | |
| 284 | this.i nstanceDat a = instan ceData; | |
| 285 | ||
| 286 | instan tiatingSta ckTrace = Thread.cur rentThread ().getStac kTrace(); | |
| 287 | } | |
| 288 | ||
| 289 | @Ove rride | |
| 290 | publ ic StackTr aceElement [] getInst antiatingS tackTrace( ) | |
| 291 | { | |
| 292 | return instantia tingStackT race; | |
| 293 | } | |
| 294 | ||
| 295 | ||
| 296 | publ ic boolean isOpen() | |
| 297 | { | |
| 298 | return open; | |
| 299 | } | |
| 300 | ||
| 301 | publ ic Checksu m getCheck sum() | |
| 302 | { | |
| 303 | return checksum; | |
| 304 | } | |
| 305 | ||
| 306 | publ ic int wri te(ByteBuf fer src) | |
| 307 | thro ws IOExcep tion | |
| 308 | { | |
| 309 | if( ! isOpen() ) | |
| 310 | throw ne w IOExcept ion("Inval id state, channel is already c losed."); | |
| 311 | ||
| 312 | // ass ure that w e do not o verwrite t he buffer | |
| 313 | if( sr c.remainin g() > (ins tanceData. getCapacit y() - posi tion) ) | |
| 314 | throw ne w IOExcept ion("Error writing t o channel, storage o verflow"); | |
| 315 | int by tesWritten = Math.mi n(instance Data.getCa pacity() - position, src.remai ning() ); | |
| 316 | if(byt esWritten > 0) | |
| 317 | { | |
| 318 | byte[] t mp = new b yte[src.re maining()] ; | |
| 319 | src.get( tmp); | |
| 320 | checksum .update(tm p, 0, tmp. length); | |
| 321 | instance Data.write (position, tmp); | |
| 322 | } | |
| 323 | ||
| 324 | positi on += byte sWritten; | |
| 325 | ||
| 326 | return bytesWrit ten; | |
| 327 | } | |
| 328 | ||
| 329 | publ ic void er ror() | |
| 330 | thro ws IOExcep tion | |
| 331 | { | |
| 332 | open = false; | |
| 333 | notify Listeners( true); | |
| 334 | } | |
| 335 | ||
| 336 | publ ic void cl ose() | |
| 337 | thro ws IOExcep tion | |
| 338 | { | |
| 339 | open = false; | |
| 340 | notify Listeners( false); | |
| 341 | } | |
| 342 | ||
| 343 | priv ate Set<In stanceByte ChannelLis tener> lis teners = n ew HashSet <InstanceB yteChannel Listener>( ); | |
| 344 | publ ic void ad dListener( InstanceBy teChannelL istener li stener) | |
| 345 | { | |
| 346 | listen ers.add(li stener); | |
| 347 | } | |
| 348 | publ ic void re moveListen er(Instanc eByteChann elListener listener) | |
| 349 | { | |
| 350 | listen ers.remove (listener) ; | |
| 351 | } | |
| 352 | priv ate void n otifyListe ners(boole an errorCl ose) | |
| 353 | { | |
| 354 | for(In stanceByte ChannelLis tener list ener : lis teners) | |
| 355 | if( erro rClose ) | |
| 356 | listener.w riteChanne lIdleTimeo ut(this); | |
| 357 | else | |
| 358 | listener.w riteChanne lClose(thi s); | |
| 359 | } | |
| 360 | /* ( non-Javado c) | |
| 361 | * @ see gov.va .med.imagi ng.storage .cache.Ins tanceReada bleByteCha nnel#getLa stAccessed Time() | |
| 362 | */ | |
| 363 | @Ove rride | |
| 364 | publ ic long ge tLastAcces sedTime() | |
| 365 | { | |
| 366 | return System.cu rrentTimeM illis(); | |
| 367 | } | |
| 368 | } | |
| 369 | ||
| 370 | } |
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