| 1 | // SECTION-START[License Header] |
| 2 | // <editor-fold defaultstate="collapsed" desc=" Generated License "> |
| 3 | /* |
| 4 | * Java Object Management and Configuration |
| 5 | * Copyright (C) Christian Schulte, 2011-313 |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * |
| 12 | * o Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * |
| 15 | * o Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in |
| 17 | * the documentation and/or other materials provided with the |
| 18 | * distribution. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| 21 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
| 22 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| 23 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 24 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 25 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 29 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | * |
| 31 | * $JOMC: RuntimeImplementations.java 4712 2013-01-02 13:56:12Z schulte $ |
| 32 | * |
| 33 | */ |
| 34 | // </editor-fold> |
| 35 | // SECTION-END |
| 36 | package org.jomc.ri.model; |
| 37 | |
| 38 | import java.util.Map; |
| 39 | import javax.xml.bind.annotation.XmlTransient; |
| 40 | import org.jomc.model.Implementation; |
| 41 | import org.jomc.model.ImplementationReference; |
| 42 | import org.jomc.model.Implementations; |
| 43 | import org.jomc.model.ModelObjectException; |
| 44 | import static org.jomc.ri.model.RuntimeModelObjects.createMap; |
| 45 | |
| 46 | // SECTION-START[Documentation] |
| 47 | // <editor-fold defaultstate="collapsed" desc=" Generated Documentation "> |
| 48 | /** |
| 49 | * Runtime {@code Implementations}. |
| 50 | * |
| 51 | * <dl> |
| 52 | * <dt><b>Identifier:</b></dt><dd>org.jomc.ri.model.RuntimeImplementations</dd> |
| 53 | * <dt><b>Name:</b></dt><dd>JOMC ⁑ RI ⁑ RuntimeImplementations</dd> |
| 54 | * <dt><b>Specifications:</b></dt> |
| 55 | * <dd>org.jomc.ri.model.RuntimeModelObject @ 1.2</dd> |
| 56 | * <dt><b>Abstract:</b></dt><dd>No</dd> |
| 57 | * <dt><b>Final:</b></dt><dd>No</dd> |
| 58 | * <dt><b>Stateless:</b></dt><dd>No</dd> |
| 59 | * </dl> |
| 60 | * |
| 61 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> 1.2 |
| 62 | * @version 1.2 |
| 63 | */ |
| 64 | // </editor-fold> |
| 65 | // SECTION-END |
| 66 | // SECTION-START[Annotations] |
| 67 | // <editor-fold defaultstate="collapsed" desc=" Generated Annotations "> |
| 68 | @javax.annotation.Generated( value = "org.jomc.tools.SourceFileProcessor 1.4", comments = "See http://www.jomc.org/jomc/1.4/jomc-tools-1.4" ) |
| 69 | // </editor-fold> |
| 70 | // SECTION-END |
| 71 | public class RuntimeImplementations extends Implementations implements RuntimeModelObject |
| 72 | { |
| 73 | // SECTION-START[RuntimeImplementations] |
| 74 | |
| 75 | /** Cache map. */ |
| 76 | @XmlTransient |
| 77 | private transient final Map<String, Implementation> implementationsByIdentifierCache = createMap(); |
| 78 | |
| 79 | /** Cache map. */ |
| 80 | @XmlTransient |
| 81 | private transient final Map<String, Implementation> implementationsByClassCache = createMap(); |
| 82 | |
| 83 | /** Cache map. */ |
| 84 | @XmlTransient |
| 85 | private transient final Map<String, Implementation> implementationsByNameCache = createMap(); |
| 86 | |
| 87 | /** Cache map. */ |
| 88 | @XmlTransient |
| 89 | private transient final Map<String, ImplementationReference> referencesByIdentifierCache = createMap(); |
| 90 | |
| 91 | /** |
| 92 | * Creates a new {@code RuntimeImplementations} instance by deeply copying a given {@code Implementations} instance. |
| 93 | * |
| 94 | * @param implementations The instance to copy. |
| 95 | * |
| 96 | * @throws NullPointerException if {@code implementations} is {@code null}. |
| 97 | */ |
| 98 | public RuntimeImplementations( final Implementations implementations ) |
| 99 | { |
| 100 | super( implementations ); |
| 101 | |
| 102 | if ( this.getAuthors() != null ) |
| 103 | { |
| 104 | this.setAuthors( RuntimeModelObjects.getInstance().copyOf( this.getAuthors() ) ); |
| 105 | } |
| 106 | if ( this.getDocumentation() != null ) |
| 107 | { |
| 108 | this.setDocumentation( RuntimeModelObjects.getInstance().copyOf( this.getDocumentation() ) ); |
| 109 | } |
| 110 | |
| 111 | this.copyImplementations(); |
| 112 | this.copyImplementationReferences(); |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * Gets an implementation for a given identifier from the list of implementations. |
| 117 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 118 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 119 | * the outcome of that query for use on successive calls.</p> |
| 120 | * <p><b>Note:</b><br/>Method {@code clear()} must be used to synchronize the state of the internal cache with the |
| 121 | * state of the instance, should the state of the instance change.</p> |
| 122 | * |
| 123 | * @param implementation The identifier of the implementation to return. |
| 124 | * |
| 125 | * @return The first matching implementation or {@code null}, if no such implementation is found. |
| 126 | * |
| 127 | * @throws NullPointerException if {@code implementation} is {@code null}. |
| 128 | * |
| 129 | * @see #getImplementation() |
| 130 | * @see Implementation#getIdentifier() |
| 131 | * @see #clear() |
| 132 | */ |
| 133 | @Override |
| 134 | public Implementation getImplementation( final String implementation ) |
| 135 | { |
| 136 | if ( implementation == null ) |
| 137 | { |
| 138 | throw new NullPointerException( "implementation" ); |
| 139 | } |
| 140 | |
| 141 | synchronized ( this.implementationsByIdentifierCache ) |
| 142 | { |
| 143 | Implementation i = this.implementationsByIdentifierCache.get( implementation ); |
| 144 | |
| 145 | if ( i == null && !this.implementationsByIdentifierCache.containsKey( implementation ) ) |
| 146 | { |
| 147 | i = super.getImplementation( implementation ); |
| 148 | this.implementationsByIdentifierCache.put( implementation, i ); |
| 149 | } |
| 150 | |
| 151 | return i; |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Gets an implementation for a given class from the list of implementations. |
| 157 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 158 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 159 | * the outcome of that query for use on successive calls.</p> |
| 160 | * <p><b>Note:</b><br/>Method {@code clear()} must be used to synchronize the state of the internal cache with the |
| 161 | * state of the instance, should the state of the instance change.</p> |
| 162 | * |
| 163 | * @param implementation The class of the implementation to return. |
| 164 | * |
| 165 | * @return The first matching implementation or {@code null}, if no such implementation is found. |
| 166 | * |
| 167 | * @throws NullPointerException if {@code implementation} is {@code null}. |
| 168 | * @throws ModelObjectException if parsing the name of a referenced type fails. |
| 169 | * |
| 170 | * @see #getImplementation() |
| 171 | * @see Implementation#isClassDeclaration() |
| 172 | * @see Implementation#getClazz() |
| 173 | * @see #clear() |
| 174 | */ |
| 175 | @Override |
| 176 | public Implementation getImplementation( final Class<?> implementation ) throws ModelObjectException |
| 177 | { |
| 178 | if ( implementation == null ) |
| 179 | { |
| 180 | throw new NullPointerException( "implementation" ); |
| 181 | } |
| 182 | |
| 183 | synchronized ( this.implementationsByClassCache ) |
| 184 | { |
| 185 | Implementation i = this.implementationsByClassCache.get( implementation.getName() ); |
| 186 | |
| 187 | if ( i == null && !this.implementationsByClassCache.containsKey( implementation.getName() ) ) |
| 188 | { |
| 189 | i = super.getImplementation( implementation ); |
| 190 | this.implementationsByClassCache.put( implementation.getName(), i ); |
| 191 | } |
| 192 | |
| 193 | return i; |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Gets an implementation for a given name from the list of implementations. |
| 199 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 200 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 201 | * the outcome of that query for use on successive calls.</p> |
| 202 | * <p><b>Note:</b><br/>Method {@code clear()} must be used to synchronize the state of the internal cache with the |
| 203 | * state of the instance, should the state of the instance change.</p> |
| 204 | * |
| 205 | * @param name The name of the implementation to return. |
| 206 | * |
| 207 | * @return The first matching implementation or {@code null}, if no such implementation is found. |
| 208 | * |
| 209 | * @throws NullPointerException if {@code name} is {@code null}. |
| 210 | * |
| 211 | * @see #getImplementation() |
| 212 | * @see Implementation#getName() |
| 213 | * @see #clear() |
| 214 | */ |
| 215 | @Override |
| 216 | public Implementation getImplementationByName( final String name ) |
| 217 | { |
| 218 | if ( name == null ) |
| 219 | { |
| 220 | throw new NullPointerException( "name" ); |
| 221 | } |
| 222 | |
| 223 | synchronized ( this.implementationsByNameCache ) |
| 224 | { |
| 225 | Implementation i = this.implementationsByNameCache.get( name ); |
| 226 | |
| 227 | if ( i == null && !this.implementationsByNameCache.containsKey( name ) ) |
| 228 | { |
| 229 | i = super.getImplementationByName( name ); |
| 230 | this.implementationsByNameCache.put( name, i ); |
| 231 | } |
| 232 | |
| 233 | return i; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * Gets an implementation reference for a given identifier from the list of references. |
| 239 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 240 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 241 | * the outcome of that query for use on successive calls.</p> |
| 242 | * <p><b>Note:</b><br/>Method {@code clear()} must be used to synchronize the state of the internal cache with the |
| 243 | * state of the instance, should the state of the instance change.</p> |
| 244 | * |
| 245 | * @param implementation The identifier of the reference to return. |
| 246 | * |
| 247 | * @return The first matching implementation reference or {@code null}, if no such reference is found. |
| 248 | * |
| 249 | * @throws NullPointerException if {@code implementation} is {@code null}. |
| 250 | * |
| 251 | * @see #getReference() |
| 252 | * @see ImplementationReference#getIdentifier() |
| 253 | * @see #clear() |
| 254 | */ |
| 255 | @Override |
| 256 | public ImplementationReference getReference( final String implementation ) |
| 257 | { |
| 258 | if ( implementation == null ) |
| 259 | { |
| 260 | throw new NullPointerException( "implementation" ); |
| 261 | } |
| 262 | |
| 263 | synchronized ( this.referencesByIdentifierCache ) |
| 264 | { |
| 265 | ImplementationReference r = this.referencesByIdentifierCache.get( implementation ); |
| 266 | |
| 267 | if ( r == null && !this.referencesByIdentifierCache.containsKey( implementation ) ) |
| 268 | { |
| 269 | r = super.getReference( implementation ); |
| 270 | this.referencesByIdentifierCache.put( implementation, r ); |
| 271 | } |
| 272 | |
| 273 | return r; |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | private void copyImplementations() |
| 278 | { |
| 279 | for ( int i = 0, s0 = this.getImplementation().size(); i < s0; i++ ) |
| 280 | { |
| 281 | final Implementation impl = this.getImplementation().get( i ); |
| 282 | this.getImplementation().set( i, RuntimeModelObjects.getInstance().copyOf( impl ) ); |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | private void copyImplementationReferences() |
| 287 | { |
| 288 | for ( int i = 0, s0 = this.getReference().size(); i < s0; i++ ) |
| 289 | { |
| 290 | final ImplementationReference r = this.getReference().get( i ); |
| 291 | this.getReference().set( i, RuntimeModelObjects.getInstance().copyOf( r ) ); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | // SECTION-END |
| 296 | // SECTION-START[RuntimeModelObject] |
| 297 | public void gc() |
| 298 | { |
| 299 | this.gcOrClear( true, false ); |
| 300 | } |
| 301 | |
| 302 | public void clear() |
| 303 | { |
| 304 | synchronized ( this.implementationsByClassCache ) |
| 305 | { |
| 306 | this.implementationsByClassCache.clear(); |
| 307 | } |
| 308 | synchronized ( this.implementationsByIdentifierCache ) |
| 309 | { |
| 310 | this.implementationsByIdentifierCache.clear(); |
| 311 | } |
| 312 | synchronized ( this.implementationsByNameCache ) |
| 313 | { |
| 314 | this.implementationsByNameCache.clear(); |
| 315 | } |
| 316 | synchronized ( this.referencesByIdentifierCache ) |
| 317 | { |
| 318 | this.referencesByIdentifierCache.clear(); |
| 319 | } |
| 320 | |
| 321 | this.gcOrClear( false, true ); |
| 322 | } |
| 323 | |
| 324 | private void gcOrClear( final boolean gc, final boolean clear ) |
| 325 | { |
| 326 | if ( this.getAuthors() instanceof RuntimeModelObject ) |
| 327 | { |
| 328 | if ( gc ) |
| 329 | { |
| 330 | ( (RuntimeModelObject) this.getAuthors() ).gc(); |
| 331 | } |
| 332 | if ( clear ) |
| 333 | { |
| 334 | ( (RuntimeModelObject) this.getAuthors() ).clear(); |
| 335 | } |
| 336 | } |
| 337 | if ( this.getDocumentation() instanceof RuntimeModelObject ) |
| 338 | { |
| 339 | if ( gc ) |
| 340 | { |
| 341 | ( (RuntimeModelObject) this.getDocumentation() ).gc(); |
| 342 | } |
| 343 | if ( clear ) |
| 344 | { |
| 345 | ( (RuntimeModelObject) this.getDocumentation() ).clear(); |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | this.gcOrClearImplementationReferences( gc, clear ); |
| 350 | this.gcOrClearImplementations( gc, clear ); |
| 351 | } |
| 352 | |
| 353 | private void gcOrClearImplementations( final boolean gc, final boolean clear ) |
| 354 | { |
| 355 | for ( int i = 0, s0 = this.getImplementation().size(); i < s0; i++ ) |
| 356 | { |
| 357 | final Implementation impl = this.getImplementation().get( i ); |
| 358 | if ( impl instanceof RuntimeModelObject ) |
| 359 | { |
| 360 | if ( gc ) |
| 361 | { |
| 362 | ( (RuntimeModelObject) impl ).gc(); |
| 363 | } |
| 364 | if ( clear ) |
| 365 | { |
| 366 | ( (RuntimeModelObject) impl ).clear(); |
| 367 | } |
| 368 | } |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | private void gcOrClearImplementationReferences( final boolean gc, final boolean clear ) |
| 373 | { |
| 374 | for ( int i = 0, s0 = this.getReference().size(); i < s0; i++ ) |
| 375 | { |
| 376 | final ImplementationReference r = this.getReference().get( i ); |
| 377 | if ( r instanceof RuntimeModelObject ) |
| 378 | { |
| 379 | if ( gc ) |
| 380 | { |
| 381 | ( (RuntimeModelObject) r ).gc(); |
| 382 | } |
| 383 | if ( clear ) |
| 384 | { |
| 385 | ( (RuntimeModelObject) r ).clear(); |
| 386 | } |
| 387 | } |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | // SECTION-END |
| 392 | // SECTION-START[Constructors] |
| 393 | // <editor-fold defaultstate="collapsed" desc=" Generated Constructors "> |
| 394 | /** Creates a new {@code RuntimeImplementations} instance. */ |
| 395 | @javax.annotation.Generated( value = "org.jomc.tools.SourceFileProcessor 1.4", comments = "See http://www.jomc.org/jomc/1.4/jomc-tools-1.4" ) |
| 396 | public RuntimeImplementations() |
| 397 | { |
| 398 | // SECTION-START[Default Constructor] |
| 399 | super(); |
| 400 | // SECTION-END |
| 401 | } |
| 402 | // </editor-fold> |
| 403 | // SECTION-END |
| 404 | // SECTION-START[Dependencies] |
| 405 | // SECTION-END |
| 406 | // SECTION-START[Properties] |
| 407 | // SECTION-END |
| 408 | // SECTION-START[Messages] |
| 409 | // SECTION-END |
| 410 | } |