| 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: RuntimeInstance.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.lang.ref.Reference; |
| 39 | import java.lang.ref.WeakReference; |
| 40 | import java.lang.reflect.Constructor; |
| 41 | import java.lang.reflect.Method; |
| 42 | import java.util.Map; |
| 43 | import javax.xml.bind.annotation.XmlTransient; |
| 44 | import org.jomc.model.Instance; |
| 45 | import org.jomc.model.JavaTypeName; |
| 46 | import org.jomc.model.ModelObjectException; |
| 47 | import org.jomc.model.Specification; |
| 48 | import org.jomc.util.WeakIdentityHashMap; |
| 49 | import static org.jomc.ri.model.RuntimeModelObjects.BOOTSTRAP_CLASSLOADER_KEY; |
| 50 | import static org.jomc.ri.model.RuntimeModelObjects.classesByClassLoaderAndNameCache; |
| 51 | import static org.jomc.ri.model.RuntimeModelObjects.createMap; |
| 52 | |
| 53 | // SECTION-START[Documentation] |
| 54 | // <editor-fold defaultstate="collapsed" desc=" Generated Documentation "> |
| 55 | /** |
| 56 | * Runtime {@code Instance}. |
| 57 | * |
| 58 | * <dl> |
| 59 | * <dt><b>Identifier:</b></dt><dd>org.jomc.ri.model.RuntimeInstance</dd> |
| 60 | * <dt><b>Name:</b></dt><dd>JOMC ⁑ RI ⁑ RuntimeInstance</dd> |
| 61 | * <dt><b>Specifications:</b></dt> |
| 62 | * <dd>org.jomc.ri.model.RuntimeModelObject @ 1.2</dd> |
| 63 | * <dt><b>Abstract:</b></dt><dd>No</dd> |
| 64 | * <dt><b>Final:</b></dt><dd>No</dd> |
| 65 | * <dt><b>Stateless:</b></dt><dd>No</dd> |
| 66 | * </dl> |
| 67 | * |
| 68 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> 1.2 |
| 69 | * @version 1.2 |
| 70 | */ |
| 71 | // </editor-fold> |
| 72 | // SECTION-END |
| 73 | // SECTION-START[Annotations] |
| 74 | // <editor-fold defaultstate="collapsed" desc=" Generated Annotations "> |
| 75 | @javax.annotation.Generated( value = "org.jomc.tools.SourceFileProcessor 1.4", comments = "See http://www.jomc.org/jomc/1.4/jomc-tools-1.4" ) |
| 76 | // </editor-fold> |
| 77 | // SECTION-END |
| 78 | public class RuntimeInstance extends Instance implements RuntimeModelObject |
| 79 | { |
| 80 | // SECTION-START[RuntimeInstance] |
| 81 | |
| 82 | /** Classes by class loader any instance cache. */ |
| 83 | @XmlTransient |
| 84 | static final Map<ClassLoader, Map<String, Reference<Class<?>[]>>> classesByClassLoaderAndInstanceCache = |
| 85 | new WeakIdentityHashMap<ClassLoader, Map<String, Reference<Class<?>[]>>>(); |
| 86 | |
| 87 | /** Constructors by class loader any instance cache. */ |
| 88 | @XmlTransient |
| 89 | static final Map<ClassLoader, Map<String, Reference<Constructor<?>>>> constructorsByClassLoaderAndInstanceCache = |
| 90 | new WeakIdentityHashMap<ClassLoader, Map<String, Reference<Constructor<?>>>>(); |
| 91 | |
| 92 | /** Methods by class loader any instance cache. */ |
| 93 | @XmlTransient |
| 94 | static final Map<ClassLoader, Map<String, Reference<Method>>> methodsByClassLoaderAndInstanceCache = |
| 95 | new WeakIdentityHashMap<ClassLoader, Map<String, Reference<Method>>>(); |
| 96 | |
| 97 | /** Assignable flags by class loader any instance cache. */ |
| 98 | @XmlTransient |
| 99 | static final Map<ClassLoader, Map<String, Boolean>> assignableFlagsByClassLoaderAndInstanceCache = |
| 100 | new WeakIdentityHashMap<ClassLoader, Map<String, Boolean>>(); |
| 101 | |
| 102 | /** Proxy classes by class loader any instance cache. */ |
| 103 | @XmlTransient |
| 104 | static final Map<ClassLoader, Map<String, Reference<Class<?>>>> proxyClassesByClassLoaderAndInstanceCache = |
| 105 | new WeakIdentityHashMap<ClassLoader, Map<String, Reference<Class<?>>>>(); |
| 106 | |
| 107 | /** Method name. */ |
| 108 | @XmlTransient |
| 109 | private volatile String javaClassFactoryMethodName; |
| 110 | |
| 111 | /** Java type name. */ |
| 112 | @XmlTransient |
| 113 | private volatile JavaTypeName javaTypeName; |
| 114 | |
| 115 | /** |
| 116 | * Creates a new {@code RuntimeInstance} instance by deeply copying a given {@code Instance} instance. |
| 117 | * |
| 118 | * @param instance The instance to copy. |
| 119 | * |
| 120 | * @throws NullPointerException if {@code instance} is {@code null}. |
| 121 | */ |
| 122 | public RuntimeInstance( final Instance instance ) |
| 123 | { |
| 124 | super( instance ); |
| 125 | |
| 126 | if ( this.getAuthors() != null ) |
| 127 | { |
| 128 | this.setAuthors( RuntimeModelObjects.getInstance().copyOf( this.getAuthors() ) ); |
| 129 | } |
| 130 | if ( this.getDependencies() != null ) |
| 131 | { |
| 132 | this.setDependencies( RuntimeModelObjects.getInstance().copyOf( this.getDependencies() ) ); |
| 133 | } |
| 134 | if ( this.getDocumentation() != null ) |
| 135 | { |
| 136 | this.setDocumentation( RuntimeModelObjects.getInstance().copyOf( this.getDocumentation() ) ); |
| 137 | } |
| 138 | if ( this.getMessages() != null ) |
| 139 | { |
| 140 | this.setMessages( RuntimeModelObjects.getInstance().copyOf( this.getMessages() ) ); |
| 141 | } |
| 142 | if ( this.getProperties() != null ) |
| 143 | { |
| 144 | this.setProperties( RuntimeModelObjects.getInstance().copyOf( this.getProperties() ) ); |
| 145 | } |
| 146 | if ( this.getSpecifications() != null ) |
| 147 | { |
| 148 | this.setSpecifications( RuntimeModelObjects.getInstance().copyOf( this.getSpecifications() ) ); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Gets the Java class of the instance for a given class loader. |
| 154 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 155 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 156 | * the outcome of that query for use on successive calls.</p> |
| 157 | * <p><b>Note:</b><br/>Method {@code RuntimeModelObjects.clear()} must be used to synchronize the state of the |
| 158 | * internal cache with the state of the class loader, should the state of the class loader change.</p> |
| 159 | * |
| 160 | * @param classLoader The class loader to get the Java class from or {@code null}, to get the Java class from the |
| 161 | * platform's bootstrap class loader. |
| 162 | * |
| 163 | * @return The Java class of the instance. |
| 164 | * |
| 165 | * @throws ClassNotFoundException if the Java class is not found. |
| 166 | * @throws ModelObjectException if parsing the name of the referenced type fails. |
| 167 | * |
| 168 | * @see #getClazz() |
| 169 | * @see RuntimeModelObjects#clear() |
| 170 | */ |
| 171 | @Override |
| 172 | public Class<?> getJavaClass( final ClassLoader classLoader ) |
| 173 | throws ModelObjectException, ClassNotFoundException |
| 174 | { |
| 175 | Class<?> javaClass = null; |
| 176 | |
| 177 | if ( this.getJavaTypeName() != null ) |
| 178 | { |
| 179 | ClassLoader classLoaderKey = classLoader; |
| 180 | if ( classLoaderKey == null ) |
| 181 | { |
| 182 | classLoaderKey = BOOTSTRAP_CLASSLOADER_KEY; |
| 183 | } |
| 184 | |
| 185 | synchronized ( classesByClassLoaderAndNameCache ) |
| 186 | { |
| 187 | Map<String, Reference<Class<?>>> map = classesByClassLoaderAndNameCache.get( classLoaderKey ); |
| 188 | |
| 189 | if ( map == null ) |
| 190 | { |
| 191 | map = createMap(); |
| 192 | classesByClassLoaderAndNameCache.put( classLoaderKey, map ); |
| 193 | } |
| 194 | |
| 195 | final Reference<Class<?>> reference = map.get( this.getJavaTypeName().getClassName() ); |
| 196 | |
| 197 | if ( reference != null ) |
| 198 | { |
| 199 | javaClass = reference.get(); |
| 200 | } |
| 201 | |
| 202 | if ( javaClass == null ) |
| 203 | { |
| 204 | javaClass = super.getJavaClass( classLoader ); |
| 205 | map.put( this.getJavaTypeName().getClassName(), new WeakReference<Class<?>>( javaClass ) ); |
| 206 | } |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | return javaClass; |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * Gets the Java classes of all specifications of the instance for a given class loader. |
| 215 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 216 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 217 | * the outcome of that query for use on successive calls.</p> |
| 218 | * <p><b>Note:</b><br/>Method {@code RuntimeModelObjects.clear()} must be used to synchronize the state of the |
| 219 | * internal cache with the state of the instance and class loader, should the state of the instance or class loader |
| 220 | * change.</p> |
| 221 | * |
| 222 | * @param classLoader The class loader to get the Java classes from or {@code null}, to get the Java classes from |
| 223 | * the platform's bootstrap class loader. |
| 224 | * |
| 225 | * @return The Java classes of all specifications of the instance. |
| 226 | * |
| 227 | * @throws ClassNotFoundException if a Java class is not found. |
| 228 | * @throws ModelObjectException if parsing a name of a referenced type fails. |
| 229 | * |
| 230 | * @see #getSpecifications() |
| 231 | * @see Specification#getClazz() |
| 232 | * @see RuntimeModelObjects#clear() |
| 233 | */ |
| 234 | @Override |
| 235 | public Class<?>[] getJavaClasses( final ClassLoader classLoader ) |
| 236 | throws ModelObjectException, ClassNotFoundException |
| 237 | { |
| 238 | ClassLoader classLoaderKey = classLoader; |
| 239 | if ( classLoaderKey == null ) |
| 240 | { |
| 241 | classLoaderKey = BOOTSTRAP_CLASSLOADER_KEY; |
| 242 | } |
| 243 | |
| 244 | synchronized ( classesByClassLoaderAndInstanceCache ) |
| 245 | { |
| 246 | Class<?>[] javaClasses = null; |
| 247 | Map<String, Reference<Class<?>[]>> map = classesByClassLoaderAndInstanceCache.get( classLoaderKey ); |
| 248 | |
| 249 | if ( map == null ) |
| 250 | { |
| 251 | map = createMap(); |
| 252 | classesByClassLoaderAndInstanceCache.put( classLoaderKey, map ); |
| 253 | } |
| 254 | |
| 255 | final Reference<Class<?>[]> reference = map.get( this.getIdentifier() ); |
| 256 | |
| 257 | if ( reference != null ) |
| 258 | { |
| 259 | javaClasses = reference.get(); |
| 260 | } |
| 261 | |
| 262 | if ( javaClasses == null && ( reference != null || !map.containsKey( this.getIdentifier() ) ) ) |
| 263 | { |
| 264 | javaClasses = super.getJavaClasses( classLoader ); |
| 265 | map.put( this.getIdentifier(), new WeakReference<Class<?>[]>( javaClasses ) ); |
| 266 | } |
| 267 | |
| 268 | return javaClasses; |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | /** |
| 273 | * Gets the Java constructor to use for creating objects of the instance. |
| 274 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 275 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 276 | * the outcome of that query for use on successive calls.</p> |
| 277 | * <p><b>Note:</b><br/>Method {@code RuntimeModelObjects.clear()} must be used to synchronize the state of the |
| 278 | * internal cache with the state of the instance and class loader, should the state of the instance or class loader |
| 279 | * change.</p> |
| 280 | * |
| 281 | * @param classLoader The class loader to get the Java class from or {@code null}, to get the Java class from the |
| 282 | * platform's bootstrap class loader. |
| 283 | * |
| 284 | * @return The public default Java constructor of the Java class of the instance or {@code null}, if that class |
| 285 | * does not declare such a constructor, is abstract or is not public. |
| 286 | * |
| 287 | * @throws ClassNotFoundException if the Java class is not found. |
| 288 | * @throws ModelObjectException if parsing the name of the type referenced by the instance fails. |
| 289 | * |
| 290 | * @see #getJavaClass(java.lang.ClassLoader) |
| 291 | * @see RuntimeModelObjects#clear() |
| 292 | */ |
| 293 | @Override |
| 294 | public Constructor<?> getJavaConstructor( final ClassLoader classLoader ) |
| 295 | throws ModelObjectException, ClassNotFoundException |
| 296 | { |
| 297 | ClassLoader classLoaderKey = classLoader; |
| 298 | if ( classLoaderKey == null ) |
| 299 | { |
| 300 | classLoaderKey = BOOTSTRAP_CLASSLOADER_KEY; |
| 301 | } |
| 302 | |
| 303 | synchronized ( constructorsByClassLoaderAndInstanceCache ) |
| 304 | { |
| 305 | Constructor<?> javaClassConstructor = null; |
| 306 | Map<String, Reference<Constructor<?>>> map = constructorsByClassLoaderAndInstanceCache.get( classLoaderKey ); |
| 307 | |
| 308 | if ( map == null ) |
| 309 | { |
| 310 | map = createMap(); |
| 311 | constructorsByClassLoaderAndInstanceCache.put( classLoaderKey, map ); |
| 312 | } |
| 313 | |
| 314 | final Reference<Constructor<?>> reference = map.get( this.getIdentifier() ); |
| 315 | |
| 316 | if ( reference != null ) |
| 317 | { |
| 318 | javaClassConstructor = reference.get(); |
| 319 | } |
| 320 | |
| 321 | if ( javaClassConstructor == null && ( reference != null || !map.containsKey( this.getIdentifier() ) ) ) |
| 322 | { |
| 323 | javaClassConstructor = super.getJavaConstructor( classLoader ); |
| 324 | map.put( this.getIdentifier(), new WeakReference<Constructor<?>>( javaClassConstructor ) ); |
| 325 | } |
| 326 | |
| 327 | return javaClassConstructor; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | /** |
| 332 | * Gets the name of the Java method to use for creating objects of the instance. |
| 333 | * <p>This method queries an internal cache for a result object to return. If no cached result object is available, |
| 334 | * this method queries the super-class for a result object to return and caches the outcome of that query for use on |
| 335 | * successive calls.</p> |
| 336 | * <p><b>Note:</b><br/>Method {@code clear()} must be used to synchronize the state of the internal cache with the |
| 337 | * state of the instance, should the state of the instance change.</p> |
| 338 | * |
| 339 | * @return The name of the Java method to use for creating objects of the instance or {@code null}, if no such |
| 340 | * method name is supported. |
| 341 | * |
| 342 | * @throws ModelObjectException if compiling the name of the instance to a {@code JavaIdentifier} fails. |
| 343 | * |
| 344 | * @see #getName() |
| 345 | * @see #clear() |
| 346 | */ |
| 347 | @Override |
| 348 | public String getJavaFactoryMethodName() throws ModelObjectException |
| 349 | { |
| 350 | if ( this.javaClassFactoryMethodName == null ) |
| 351 | { |
| 352 | this.javaClassFactoryMethodName = super.getJavaFactoryMethodName(); |
| 353 | } |
| 354 | |
| 355 | return this.javaClassFactoryMethodName; |
| 356 | } |
| 357 | |
| 358 | /** |
| 359 | * Gets the Java method to use for creating objects of the instance. |
| 360 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 361 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 362 | * the outcome of that query for use on successive calls.</p> |
| 363 | * <p><b>Note:</b><br/>Method {@code RuntimeModelObjects.clear()} must be used to synchronize the state of the |
| 364 | * internal cache with the state of the instance and class loader, should the state of the instance or class loader |
| 365 | * change.</p> |
| 366 | * |
| 367 | * @param classLoader The class loader to get the Java class from or {@code null}, to get the Java class from the |
| 368 | * platform's bootstrap class loader. |
| 369 | * |
| 370 | * @return The public Java method of the Java class of the instance to use for creating objects of the instance or |
| 371 | * {@code null}, if that class does not declare such a method. |
| 372 | * |
| 373 | * @throws ClassNotFoundException if the Java class is not found. |
| 374 | * @throws ModelObjectException if parsing the name of the type referenced by the instance fails. |
| 375 | * |
| 376 | * @see #getJavaClass(java.lang.ClassLoader) |
| 377 | * @see #getJavaFactoryMethodName() |
| 378 | * @see RuntimeModelObjects#clear() |
| 379 | */ |
| 380 | @Override |
| 381 | public Method getJavaFactoryMethod( final ClassLoader classLoader ) |
| 382 | throws ModelObjectException, ClassNotFoundException |
| 383 | { |
| 384 | ClassLoader classLoaderKey = classLoader; |
| 385 | if ( classLoaderKey == null ) |
| 386 | { |
| 387 | classLoaderKey = BOOTSTRAP_CLASSLOADER_KEY; |
| 388 | } |
| 389 | |
| 390 | synchronized ( methodsByClassLoaderAndInstanceCache ) |
| 391 | { |
| 392 | Method javaClassFactoryMethod = null; |
| 393 | Map<String, Reference<Method>> map = methodsByClassLoaderAndInstanceCache.get( classLoaderKey ); |
| 394 | |
| 395 | if ( map == null ) |
| 396 | { |
| 397 | map = createMap(); |
| 398 | methodsByClassLoaderAndInstanceCache.put( classLoaderKey, map ); |
| 399 | } |
| 400 | |
| 401 | final Reference<Method> reference = map.get( this.getIdentifier() ); |
| 402 | |
| 403 | if ( reference != null ) |
| 404 | { |
| 405 | javaClassFactoryMethod = reference.get(); |
| 406 | } |
| 407 | |
| 408 | if ( javaClassFactoryMethod == null && ( reference != null || !map.containsKey( this.getIdentifier() ) ) ) |
| 409 | { |
| 410 | javaClassFactoryMethod = super.getJavaFactoryMethod( classLoader ); |
| 411 | map.put( this.getIdentifier(), new WeakReference<Method>( javaClassFactoryMethod ) ); |
| 412 | } |
| 413 | |
| 414 | return javaClassFactoryMethod; |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | /** |
| 419 | * Gets a flag indicating the Java class of the instance is assignable to all Java classes of all specifications of |
| 420 | * the instance. |
| 421 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 422 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 423 | * the outcome of that query for use on successive calls.</p> |
| 424 | * <p><b>Note:</b><br/>Method {@code RuntimeModelObjects.clear()} must be used to synchronize the state of the |
| 425 | * internal cache with the state of the instance and class loader, should the state of the instance or class loader |
| 426 | * change.</p> |
| 427 | * |
| 428 | * @param classLoader The class loader to get the Java classes from or {@code null}, to get the Java classes from |
| 429 | * the platform's bootstrap class loader. |
| 430 | * |
| 431 | * @return {@code true}, if the Java class of the instance is assignable to all Java classes of all specifications |
| 432 | * of the instance; {@code false}, if the Java class of the instance is not assignable to all Java classes of all |
| 433 | * specifications of the instance. |
| 434 | * |
| 435 | * @throws ClassNotFoundException if a Java class is not found. |
| 436 | * @throws ModelObjectException if parsing a name of a referenced type fails. |
| 437 | * |
| 438 | * @see #getJavaClass(java.lang.ClassLoader) |
| 439 | * @see #getJavaClasses(java.lang.ClassLoader) |
| 440 | * @see RuntimeModelObjects#clear() |
| 441 | */ |
| 442 | @Override |
| 443 | public boolean isJavaClassAssignable( final ClassLoader classLoader ) |
| 444 | throws ModelObjectException, ClassNotFoundException |
| 445 | { |
| 446 | ClassLoader classLoaderKey = classLoader; |
| 447 | if ( classLoaderKey == null ) |
| 448 | { |
| 449 | classLoaderKey = BOOTSTRAP_CLASSLOADER_KEY; |
| 450 | } |
| 451 | |
| 452 | synchronized ( assignableFlagsByClassLoaderAndInstanceCache ) |
| 453 | { |
| 454 | Map<String, Boolean> map = assignableFlagsByClassLoaderAndInstanceCache.get( classLoaderKey ); |
| 455 | |
| 456 | if ( map == null ) |
| 457 | { |
| 458 | map = createMap(); |
| 459 | assignableFlagsByClassLoaderAndInstanceCache.put( classLoaderKey, map ); |
| 460 | } |
| 461 | |
| 462 | Boolean javaClassAssignable = map.get( this.getIdentifier() ); |
| 463 | |
| 464 | if ( javaClassAssignable == null && !map.containsKey( this.getIdentifier() ) ) |
| 465 | { |
| 466 | javaClassAssignable = super.isJavaClassAssignable( classLoader ); |
| 467 | map.put( this.getIdentifier(), javaClassAssignable ); |
| 468 | } |
| 469 | |
| 470 | return javaClassAssignable == null ? false : javaClassAssignable; |
| 471 | } |
| 472 | } |
| 473 | |
| 474 | /** |
| 475 | * Gets the Java proxy class for a given class loader. |
| 476 | * <p>This method queries an internal cache for a result object to return for the given argument values. If no |
| 477 | * cached result object is available, this method queries the super-class for a result object to return and caches |
| 478 | * the outcome of that query for use on successive calls.</p> |
| 479 | * <p><b>Note:</b><br/>Method {@code RuntimeModelObjects.clear()} must be used to synchronize the state of the |
| 480 | * internal cache with the state of the instance and class loader, should the state of the instance or class loader |
| 481 | * change.</p> |
| 482 | * |
| 483 | * @param classLoader The class loader to get the Java proxy class for. |
| 484 | * |
| 485 | * @return The Java proxy class for {@code classLoader} or {@code null}, if the instance does not support a Java |
| 486 | * proxy class. |
| 487 | * |
| 488 | * @throws ClassNotFoundException if a Java class is not found. |
| 489 | * @throws ModelObjectException if parsing a name of a referenced type fails. |
| 490 | * |
| 491 | * @see #getJavaClasses(java.lang.ClassLoader) |
| 492 | * @see RuntimeModelObjects#clear() |
| 493 | */ |
| 494 | @Override |
| 495 | public Class<?> getJavaProxyClass( final ClassLoader classLoader ) |
| 496 | throws ModelObjectException, ClassNotFoundException |
| 497 | { |
| 498 | ClassLoader classLoaderKey = classLoader; |
| 499 | if ( classLoaderKey == null ) |
| 500 | { |
| 501 | classLoaderKey = BOOTSTRAP_CLASSLOADER_KEY; |
| 502 | } |
| 503 | |
| 504 | synchronized ( proxyClassesByClassLoaderAndInstanceCache ) |
| 505 | { |
| 506 | Class<?> javaProxyClass = null; |
| 507 | Map<String, Reference<Class<?>>> map = proxyClassesByClassLoaderAndInstanceCache.get( classLoaderKey ); |
| 508 | |
| 509 | if ( map == null ) |
| 510 | { |
| 511 | map = createMap(); |
| 512 | proxyClassesByClassLoaderAndInstanceCache.put( classLoaderKey, map ); |
| 513 | } |
| 514 | |
| 515 | final Reference<Class<?>> reference = map.get( this.getIdentifier() ); |
| 516 | |
| 517 | if ( reference != null ) |
| 518 | { |
| 519 | javaProxyClass = reference.get(); |
| 520 | } |
| 521 | |
| 522 | if ( javaProxyClass == null && ( reference != null || !map.containsKey( this.getIdentifier() ) ) ) |
| 523 | { |
| 524 | javaProxyClass = super.getJavaProxyClass( classLoader ); |
| 525 | map.put( this.getIdentifier(), new WeakReference<Class<?>>( javaProxyClass ) ); |
| 526 | } |
| 527 | |
| 528 | return javaProxyClass; |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | /** |
| 533 | * Gets the Java type name of the type referenced by the instance. |
| 534 | * <p>This method queries an internal cache for a result object to return. If no cached result object is available, |
| 535 | * this method queries the super-class for a result object to return and caches the outcome of that query for use on |
| 536 | * successive calls.</p> |
| 537 | * <p><b>Note:</b><br/>Method {@code clear()} must be used to synchronize the state of the internal cache with the |
| 538 | * state of the instance, should the state of the instance change.</p> |
| 539 | * |
| 540 | * @return The Java type name of the type referenced by the instance or {@code null}, if the instance does not |
| 541 | * reference a type. |
| 542 | * |
| 543 | * @throws ModelObjectException if compiling the name of the referenced type to a {@code JavaTypeName} fails. |
| 544 | * |
| 545 | * @since 1.4 |
| 546 | * |
| 547 | * @see Instance#getJavaTypeName() |
| 548 | * @see #clear() |
| 549 | */ |
| 550 | @Override |
| 551 | public JavaTypeName getJavaTypeName() throws ModelObjectException |
| 552 | { |
| 553 | if ( this.javaTypeName == null ) |
| 554 | { |
| 555 | this.javaTypeName = super.getJavaTypeName(); |
| 556 | } |
| 557 | |
| 558 | return this.javaTypeName; |
| 559 | } |
| 560 | |
| 561 | // SECTION-END |
| 562 | // SECTION-START[RuntimeModelObject] |
| 563 | public void gc() |
| 564 | { |
| 565 | this.gcOrClear( true, false ); |
| 566 | } |
| 567 | |
| 568 | public void clear() |
| 569 | { |
| 570 | this.javaClassFactoryMethodName = null; |
| 571 | this.javaTypeName = null; |
| 572 | this.gcOrClear( false, true ); |
| 573 | } |
| 574 | |
| 575 | private void gcOrClear( final boolean gc, final boolean clear ) |
| 576 | { |
| 577 | if ( this.getAuthors() instanceof RuntimeModelObject ) |
| 578 | { |
| 579 | if ( gc ) |
| 580 | { |
| 581 | ( (RuntimeModelObject) this.getAuthors() ).gc(); |
| 582 | } |
| 583 | if ( clear ) |
| 584 | { |
| 585 | ( (RuntimeModelObject) this.getAuthors() ).clear(); |
| 586 | } |
| 587 | } |
| 588 | if ( this.getDependencies() instanceof RuntimeModelObject ) |
| 589 | { |
| 590 | if ( gc ) |
| 591 | { |
| 592 | ( (RuntimeModelObject) this.getDependencies() ).gc(); |
| 593 | } |
| 594 | if ( clear ) |
| 595 | { |
| 596 | ( (RuntimeModelObject) this.getDependencies() ).clear(); |
| 597 | } |
| 598 | } |
| 599 | if ( this.getDocumentation() instanceof RuntimeModelObject ) |
| 600 | { |
| 601 | if ( gc ) |
| 602 | { |
| 603 | ( (RuntimeModelObject) this.getDocumentation() ).gc(); |
| 604 | } |
| 605 | if ( clear ) |
| 606 | { |
| 607 | ( (RuntimeModelObject) this.getDocumentation() ).clear(); |
| 608 | } |
| 609 | } |
| 610 | if ( this.getMessages() instanceof RuntimeModelObject ) |
| 611 | { |
| 612 | if ( gc ) |
| 613 | { |
| 614 | ( (RuntimeModelObject) this.getMessages() ).gc(); |
| 615 | } |
| 616 | if ( clear ) |
| 617 | { |
| 618 | ( (RuntimeModelObject) this.getMessages() ).clear(); |
| 619 | } |
| 620 | } |
| 621 | if ( this.getProperties() instanceof RuntimeModelObject ) |
| 622 | { |
| 623 | if ( gc ) |
| 624 | { |
| 625 | ( (RuntimeModelObject) this.getProperties() ).gc(); |
| 626 | } |
| 627 | if ( clear ) |
| 628 | { |
| 629 | ( (RuntimeModelObject) this.getProperties() ).clear(); |
| 630 | } |
| 631 | } |
| 632 | if ( this.getSpecifications() instanceof RuntimeModelObject ) |
| 633 | { |
| 634 | if ( gc ) |
| 635 | { |
| 636 | ( (RuntimeModelObject) this.getSpecifications() ).gc(); |
| 637 | } |
| 638 | if ( clear ) |
| 639 | { |
| 640 | ( (RuntimeModelObject) this.getSpecifications() ).clear(); |
| 641 | } |
| 642 | } |
| 643 | } |
| 644 | |
| 645 | // SECTION-END |
| 646 | // SECTION-START[Constructors] |
| 647 | // <editor-fold defaultstate="collapsed" desc=" Generated Constructors "> |
| 648 | /** Creates a new {@code RuntimeInstance} instance. */ |
| 649 | @javax.annotation.Generated( value = "org.jomc.tools.SourceFileProcessor 1.4", comments = "See http://www.jomc.org/jomc/1.4/jomc-tools-1.4" ) |
| 650 | public RuntimeInstance() |
| 651 | { |
| 652 | // SECTION-START[Default Constructor] |
| 653 | super(); |
| 654 | // SECTION-END |
| 655 | } |
| 656 | // </editor-fold> |
| 657 | // SECTION-END |
| 658 | // SECTION-START[Dependencies] |
| 659 | // SECTION-END |
| 660 | // SECTION-START[Properties] |
| 661 | // SECTION-END |
| 662 | // SECTION-START[Messages] |
| 663 | // SECTION-END |
| 664 | } |