Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 1 | package org.apache.felix.dm.lambda.impl; |
| 2 | |
| 3 | import static org.apache.felix.dm.lambda.impl.ComponentBuilderImpl.ComponentCallback.DESTROY; |
| 4 | import static org.apache.felix.dm.lambda.impl.ComponentBuilderImpl.ComponentCallback.INIT; |
| 5 | import static org.apache.felix.dm.lambda.impl.ComponentBuilderImpl.ComponentCallback.START; |
| 6 | import static org.apache.felix.dm.lambda.impl.ComponentBuilderImpl.ComponentCallback.STOP; |
| 7 | |
| 8 | import java.util.ArrayList; |
| 9 | import java.util.Dictionary; |
| 10 | import java.util.HashMap; |
| 11 | import java.util.Hashtable; |
| 12 | import java.util.List; |
| 13 | import java.util.Map; |
| 14 | import java.util.Objects; |
| 15 | import java.util.Properties; |
| 16 | import java.util.concurrent.CompletableFuture; |
| 17 | import java.util.function.Consumer; |
| 18 | import java.util.function.Function; |
| 19 | import java.util.function.Supplier; |
| 20 | import java.util.stream.Stream; |
| 21 | |
| 22 | import org.apache.felix.dm.Component; |
| 23 | import org.apache.felix.dm.Dependency; |
| 24 | import org.apache.felix.dm.DependencyManager; |
| 25 | import org.apache.felix.dm.lambda.BundleDependencyBuilder; |
| 26 | import org.apache.felix.dm.lambda.ComponentBuilder; |
| 27 | import org.apache.felix.dm.lambda.ConfigurationDependencyBuilder; |
| 28 | import org.apache.felix.dm.lambda.DependencyBuilder; |
Pierre De Rop | 0aac136 | 2016-02-02 19:46:08 +0000 | [diff] [blame] | 29 | import org.apache.felix.dm.lambda.FluentProperty; |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 30 | import org.apache.felix.dm.lambda.FutureDependencyBuilder; |
| 31 | import org.apache.felix.dm.lambda.ServiceDependencyBuilder; |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 32 | import org.apache.felix.dm.lambda.callbacks.Cb; |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 33 | import org.apache.felix.dm.lambda.callbacks.CbComponent; |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 34 | import org.apache.felix.dm.lambda.callbacks.InstanceCb; |
| 35 | import org.apache.felix.dm.lambda.callbacks.InstanceCbComponent; |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 36 | |
| 37 | public class ComponentBuilderImpl implements ComponentBuilder<ComponentBuilderImpl> { |
| 38 | private final List<DependencyBuilder<?>> m_dependencyBuilders = new ArrayList<>(); |
| 39 | private final Component m_component; |
| 40 | private final boolean m_componentUpdated; |
| 41 | private String[] m_serviceNames; |
| 42 | private Dictionary<Object, Object> m_properties; |
| 43 | private Object m_impl; |
| 44 | private Object m_factory; |
| 45 | private boolean m_factoryHasComposite; |
| 46 | private boolean m_autoAdd = true; |
| 47 | protected final Map<ComponentCallback, List<MethodRef<Object>>> m_refs = new HashMap<>(); |
| 48 | private Object m_compositionInstance; |
| 49 | private String m_compositionMethod; |
| 50 | private String m_init; |
| 51 | private String m_stop; |
| 52 | private String m_start; |
| 53 | private String m_destroy; |
| 54 | private Object m_callbackInstance; |
| 55 | private String m_factoryCreateMethod; |
| 56 | private boolean m_hasFactoryRef; |
| 57 | private boolean m_hasFactory; |
| 58 | |
| 59 | enum ComponentCallback { INIT, START, STOP, DESTROY }; |
| 60 | |
| 61 | @FunctionalInterface |
| 62 | interface MethodRef<I> { |
| 63 | public void accept(I instance, Component c); |
| 64 | } |
| 65 | |
| 66 | public ComponentBuilderImpl(DependencyManager dm) { |
| 67 | m_component = dm.createComponent(); |
| 68 | m_componentUpdated = false; |
| 69 | } |
| 70 | |
| 71 | public ComponentBuilderImpl(Component component, boolean update) { |
| 72 | m_component = component; |
| 73 | m_componentUpdated = update; |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | public ComponentBuilderImpl autoConfig(Class<?> clazz, boolean autoConfig) { |
| 78 | m_component.setAutoConfig(clazz, autoConfig); |
| 79 | return this; |
| 80 | } |
| 81 | |
| 82 | @Override |
| 83 | public ComponentBuilderImpl autoConfig(Class<?> clazz, String instanceName) { |
| 84 | m_component.setAutoConfig(clazz, instanceName); |
| 85 | return this; |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public ComponentBuilderImpl provides(Class<?> iface) { |
| 90 | m_serviceNames = new String[] {iface.getName()}; |
| 91 | return this; |
| 92 | } |
| 93 | |
| 94 | @Override |
| 95 | public ComponentBuilderImpl provides(Class<?> iface, String name, Object value, Object ... rest) { |
| 96 | provides(iface); |
| 97 | properties(name, value, rest); |
| 98 | return this; |
| 99 | } |
| 100 | |
| 101 | @Override |
Pierre De Rop | 0aac136 | 2016-02-02 19:46:08 +0000 | [diff] [blame] | 102 | public ComponentBuilderImpl provides(Class<?> iface, FluentProperty ... properties) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 103 | provides(iface); |
| 104 | properties(properties); |
| 105 | return this; |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | public ComponentBuilderImpl provides(Class<?> iface, Dictionary<?,?> properties) { |
| 110 | provides(iface); |
| 111 | properties(properties); |
| 112 | return this; |
| 113 | } |
| 114 | |
| 115 | @Override |
| 116 | public ComponentBuilderImpl provides(Class<?>[] ifaces) { |
| 117 | m_serviceNames = Stream.of(ifaces).map(c -> c.getName()).toArray(String[]::new); |
| 118 | return this; |
| 119 | } |
| 120 | |
| 121 | @Override |
| 122 | public ComponentBuilderImpl provides(Class<?>[] ifaces, String name, Object value, Object ... rest) { |
| 123 | provides(ifaces); |
| 124 | properties(name, value, rest); |
| 125 | return this; |
| 126 | } |
| 127 | |
| 128 | @Override |
Pierre De Rop | 0aac136 | 2016-02-02 19:46:08 +0000 | [diff] [blame] | 129 | public ComponentBuilderImpl provides(Class<?>[] ifaces, FluentProperty ... properties) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 130 | provides(ifaces); |
| 131 | properties(properties); |
| 132 | return this; |
| 133 | } |
| 134 | |
| 135 | @Override |
| 136 | public ComponentBuilderImpl provides(Class<?>[] ifaces, Dictionary<?,?> properties) { |
| 137 | provides(ifaces); |
| 138 | properties(properties); |
| 139 | return this; |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public ComponentBuilderImpl provides(String iface) { |
| 144 | m_serviceNames = new String[] {iface}; |
| 145 | return this; |
| 146 | } |
| 147 | |
| 148 | @Override |
| 149 | public ComponentBuilderImpl provides(String iface, String name, Object value, Object ... rest) { |
| 150 | provides(iface); |
| 151 | properties(name, value, rest); |
| 152 | return this; |
| 153 | } |
| 154 | |
| 155 | @Override |
Pierre De Rop | 0aac136 | 2016-02-02 19:46:08 +0000 | [diff] [blame] | 156 | public ComponentBuilderImpl provides(String iface, FluentProperty ... properties) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 157 | provides(iface); |
| 158 | properties(properties); |
| 159 | return this; |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public ComponentBuilderImpl provides(String iface, Dictionary<?,?> properties) { |
| 164 | provides(iface); |
| 165 | properties(properties); |
| 166 | return this; |
| 167 | } |
| 168 | |
| 169 | @Override |
| 170 | public ComponentBuilderImpl provides(String[] ifaces) { |
| 171 | m_serviceNames = ifaces; |
| 172 | return this; |
| 173 | } |
| 174 | |
| 175 | @Override |
| 176 | public ComponentBuilderImpl provides(String[] ifaces, String name, Object value, Object ... rest) { |
| 177 | provides(ifaces); |
| 178 | properties(name, value, rest); |
| 179 | return this; |
| 180 | } |
| 181 | |
| 182 | @Override |
Pierre De Rop | 0aac136 | 2016-02-02 19:46:08 +0000 | [diff] [blame] | 183 | public ComponentBuilderImpl provides(String[] ifaces, FluentProperty ... properties) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 184 | provides(ifaces); |
| 185 | properties(properties); |
| 186 | return this; |
| 187 | } |
| 188 | |
| 189 | @Override |
| 190 | public ComponentBuilderImpl provides(String[] ifaces, Dictionary<?,?> properties) { |
| 191 | provides(ifaces); |
| 192 | properties(properties); |
| 193 | return this; |
| 194 | } |
| 195 | |
| 196 | @SuppressWarnings("unchecked") |
| 197 | @Override |
| 198 | public ComponentBuilderImpl properties(Dictionary<?, ?> properties) { |
| 199 | m_properties = (Dictionary<Object, Object>) properties; |
| 200 | return this; |
| 201 | } |
| 202 | |
| 203 | @Override |
| 204 | public ComponentBuilderImpl properties(String name, Object value, Object ... rest) { |
| 205 | Objects.nonNull(name); |
| 206 | Objects.nonNull(value); |
| 207 | Properties props = new Properties(); |
| 208 | props.put(name, value); |
| 209 | if ((rest.length & 1) != 0) { |
| 210 | throw new IllegalArgumentException("Invalid number of specified properties (number of arguments must be even)."); |
| 211 | } |
| 212 | for (int i = 0; i < rest.length - 1; i += 2) { |
| 213 | String k = rest[i].toString().trim(); |
| 214 | Object v = rest[i+1]; |
| 215 | props.put(k, v); |
| 216 | } |
| 217 | m_properties = props; |
| 218 | return this; |
| 219 | } |
| 220 | |
| 221 | @Override |
Pierre De Rop | 0aac136 | 2016-02-02 19:46:08 +0000 | [diff] [blame] | 222 | public ComponentBuilderImpl properties(FluentProperty ... properties) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 223 | Dictionary<Object, Object> props = new Hashtable<>(); |
| 224 | Stream.of(properties).forEach(property -> { |
| 225 | String name = Helpers.getLambdaParameterName(property, 0); |
| 226 | if (name.equals("arg0")) { |
| 227 | throw new IllegalArgumentException("arg0 property name not supported"); |
| 228 | } |
| 229 | Object value = property.apply(name); |
| 230 | props.put(name, value); |
| 231 | }); |
| 232 | m_properties = props; |
| 233 | return this; |
| 234 | } |
| 235 | |
| 236 | @Override |
| 237 | public ComponentBuilderImpl debug(String label) { |
| 238 | m_component.setDebug(label); |
| 239 | return this; |
| 240 | } |
| 241 | |
| 242 | @Override |
| 243 | public ComponentBuilderImpl autoAdd(boolean autoAdd) { |
| 244 | m_autoAdd = autoAdd; |
| 245 | return this; |
| 246 | } |
| 247 | |
| 248 | public ComponentBuilderImpl autoAdd() { |
| 249 | m_autoAdd = true; |
| 250 | return this; |
| 251 | } |
| 252 | |
| 253 | public boolean isAutoAdd() { |
| 254 | return m_autoAdd; |
| 255 | } |
| 256 | |
| 257 | @Override |
| 258 | public ComponentBuilderImpl impl(Object instance) { |
| 259 | m_impl = instance; |
| 260 | return this; |
| 261 | } |
| 262 | |
| 263 | @Override |
| 264 | public ComponentBuilderImpl factory(Object factory, String createMethod) { |
| 265 | m_factory = factory; |
| 266 | m_factoryCreateMethod = createMethod; |
| 267 | ensureHasNoFactoryRef(); |
| 268 | m_hasFactory = true; |
| 269 | return this; |
| 270 | } |
| 271 | |
| 272 | @Override |
| 273 | public ComponentBuilderImpl factory(Supplier<?> create) { |
| 274 | Objects.nonNull(create); |
| 275 | ensureHasNoFactory(); |
| 276 | m_hasFactoryRef = true; |
| 277 | m_factory = new Object() { |
| 278 | @SuppressWarnings("unused") |
| 279 | public Object create() { |
| 280 | return create.get(); |
| 281 | } |
| 282 | }; |
| 283 | return this; |
| 284 | } |
| 285 | |
| 286 | @Override |
| 287 | public <U, V> ComponentBuilderImpl factory(Supplier<U> supplier, Function<U, V> create) { |
| 288 | Objects.nonNull(supplier); |
| 289 | Objects.nonNull(create); |
| 290 | ensureHasNoFactory(); |
| 291 | m_hasFactoryRef = true; |
| 292 | |
| 293 | m_factory = new Object() { |
| 294 | @SuppressWarnings("unused") |
| 295 | public Object create() { |
| 296 | U factoryImpl = supplier.get(); |
| 297 | return create.apply(factoryImpl); |
| 298 | } |
| 299 | }; |
| 300 | return this; |
| 301 | } |
| 302 | |
| 303 | @Override |
| 304 | public ComponentBuilderImpl factory(Supplier<?> create, Supplier<Object[]> getComposite) { |
| 305 | Objects.nonNull(create); |
| 306 | Objects.nonNull(getComposite); |
| 307 | ensureHasNoFactory(); |
| 308 | m_hasFactoryRef = true; |
| 309 | |
| 310 | m_factory = new Object() { |
| 311 | @SuppressWarnings("unused") |
| 312 | public Object create() { // Create Factory instance |
| 313 | return create.get(); |
| 314 | } |
| 315 | |
| 316 | @SuppressWarnings("unused") |
| 317 | public Object[] getComposite() { // Create Factory instance |
| 318 | return getComposite.get(); |
| 319 | } |
| 320 | }; |
| 321 | m_factoryHasComposite = true; |
| 322 | return this; |
| 323 | } |
| 324 | |
| 325 | @Override |
| 326 | public <U> ComponentBuilderImpl factory(Supplier<U> factorySupplier, Function<U, ?> factoryCreate, Function<U, Object[]> factoryGetComposite) { |
| 327 | Objects.nonNull(factorySupplier); |
| 328 | Objects.nonNull(factoryCreate); |
| 329 | Objects.nonNull(factoryGetComposite); |
| 330 | ensureHasNoFactory(); |
| 331 | m_hasFactoryRef = true; |
| 332 | |
| 333 | m_factory = new Object() { |
| 334 | U m_factoryInstance; |
| 335 | |
| 336 | @SuppressWarnings("unused") |
| 337 | public Object create() { |
| 338 | m_factoryInstance = factorySupplier.get(); |
| 339 | return factoryCreate.apply(m_factoryInstance); |
| 340 | } |
| 341 | |
| 342 | @SuppressWarnings("unused") |
| 343 | public Object[] getComposite() { |
| 344 | return factoryGetComposite.apply(m_factoryInstance); |
| 345 | } |
| 346 | }; |
| 347 | m_factoryHasComposite = true; |
| 348 | return this; |
| 349 | } |
| 350 | |
| 351 | public ComponentBuilderImpl composition(String getCompositionMethod) { |
| 352 | return composition(null, getCompositionMethod); |
| 353 | } |
| 354 | |
| 355 | public ComponentBuilderImpl composition(Object instance, String getCompositionMethod) { |
| 356 | m_compositionInstance = instance; |
| 357 | m_compositionMethod = getCompositionMethod; |
| 358 | return this; |
| 359 | } |
| 360 | |
| 361 | public ComponentBuilderImpl composition(Supplier<Object[]> getCompositionMethod) { |
| 362 | m_compositionInstance = new Object() { |
| 363 | @SuppressWarnings("unused") |
| 364 | public Object[] getComposition() { |
| 365 | return getCompositionMethod.get(); |
| 366 | } |
| 367 | }; |
| 368 | m_compositionMethod = "getComposition"; |
| 369 | return this; |
| 370 | } |
| 371 | |
| 372 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 373 | public ComponentBuilderImpl withSvc(Class<?> service, String filter) { |
| 374 | return withSvc(service, srv->srv.filter(filter)); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 375 | } |
| 376 | |
| 377 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 378 | public ComponentBuilderImpl withSvc(Class<?> ... services) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 379 | for (Class<?> s : services) { |
| 380 | doWithService(s); |
| 381 | } |
| 382 | return this; |
| 383 | } |
| 384 | |
| 385 | private <U> void doWithService(Class<U> service) { |
| 386 | ServiceDependencyBuilder<U> dep = new ServiceDependencyBuilderImpl<>(m_component, service); |
| 387 | m_dependencyBuilders.add(dep); |
| 388 | } |
| 389 | |
| 390 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 391 | public <U> ComponentBuilderImpl withSvc(Class<U> service, Consumer<ServiceDependencyBuilder<U>> consumer) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 392 | ServiceDependencyBuilder<U> dep = new ServiceDependencyBuilderImpl<>(m_component, service); |
| 393 | consumer.accept(dep); |
| 394 | m_dependencyBuilders.add(dep); |
| 395 | return this; |
| 396 | } |
| 397 | |
| 398 | @Override |
| 399 | public ComponentBuilderImpl withCnf(Consumer<ConfigurationDependencyBuilder> consumer) { |
| 400 | ConfigurationDependencyBuilder dep = new ConfigurationDependencyBuilderImpl(m_component); |
| 401 | consumer.accept(dep); |
| 402 | m_dependencyBuilders.add(dep); |
| 403 | return this; |
| 404 | } |
| 405 | |
| 406 | @Override |
| 407 | public ComponentBuilderImpl withBundle(Consumer<BundleDependencyBuilder> consumer) { |
| 408 | BundleDependencyBuilder dep = new BundleDependencyBuilderImpl(m_component); |
| 409 | consumer.accept(dep); |
| 410 | m_dependencyBuilders.add(dep); |
| 411 | return this; |
| 412 | } |
| 413 | |
| 414 | @Override |
| 415 | public <V> ComponentBuilderImpl withFuture(CompletableFuture<V> future, Consumer<FutureDependencyBuilder<V>> consumer) { |
| 416 | FutureDependencyBuilder<V> dep = new CompletableFutureDependencyImpl<>(m_component, future); |
| 417 | consumer.accept(dep); |
| 418 | m_dependencyBuilders.add(dep); |
| 419 | return this; |
| 420 | } |
| 421 | |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 422 | public ComponentBuilderImpl lifecycleCallbackInstance(Object callbackInstance) { |
| 423 | m_callbackInstance = callbackInstance; |
| 424 | return this; |
| 425 | } |
| 426 | |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 427 | public ComponentBuilderImpl init(String callback) { |
| 428 | ensureHasNoLifecycleMethodRefs(); |
| 429 | m_init = callback; |
| 430 | return this; |
| 431 | } |
| 432 | |
| 433 | public ComponentBuilderImpl start(String callback) { |
| 434 | ensureHasNoLifecycleMethodRefs(); |
| 435 | m_start = callback; |
| 436 | return this; |
| 437 | } |
| 438 | |
| 439 | public ComponentBuilderImpl stop(String callback) { |
| 440 | ensureHasNoLifecycleMethodRefs(); |
| 441 | m_stop = callback; |
| 442 | return this; |
| 443 | } |
| 444 | |
| 445 | public ComponentBuilderImpl destroy(String callback) { |
| 446 | ensureHasNoLifecycleMethodRefs(); |
| 447 | m_destroy = callback; |
| 448 | return this; |
| 449 | } |
| 450 | |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 451 | @SuppressWarnings("unchecked") |
| 452 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 453 | public <T> ComponentBuilderImpl init(Cb<T> callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 454 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 455 | setComponentCallbackRef(INIT, Helpers.getLambdaArgType(callback, 0), (inst, component) -> callback.accept((T) inst)); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 456 | } |
| 457 | return this; |
| 458 | } |
| 459 | |
| 460 | @SuppressWarnings("unchecked") |
| 461 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 462 | public <T> ComponentBuilderImpl start(Cb<T> callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 463 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 464 | setComponentCallbackRef(START, Helpers.getLambdaArgType(callback, 0), (inst, component) -> callback.accept((T) inst)); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 465 | } |
| 466 | return this; |
| 467 | } |
| 468 | |
| 469 | @SuppressWarnings("unchecked") |
| 470 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 471 | public <T> ComponentBuilderImpl stop(Cb<T> callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 472 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 473 | setComponentCallbackRef(STOP, Helpers.getLambdaArgType(callback, 0), (inst, component) -> callback.accept((T) inst)); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 474 | } |
| 475 | return this; |
| 476 | } |
| 477 | |
| 478 | @SuppressWarnings("unchecked") |
| 479 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 480 | public <T> ComponentBuilderImpl destroy(Cb<T> callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 481 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 482 | setComponentCallbackRef(DESTROY, Helpers.getLambdaArgType(callback, 0), (inst, component) -> callback.accept((T) inst)); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 483 | } |
| 484 | return this; |
| 485 | } |
| 486 | |
| 487 | @SuppressWarnings("unchecked") |
| 488 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 489 | public <T> ComponentBuilderImpl init(CbComponent<T> callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 490 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 491 | setComponentCallbackRef(INIT, Helpers.getLambdaArgType(callback, 0), (inst, component) -> callback.accept((T) inst, component)); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 492 | } |
| 493 | return this; |
| 494 | } |
| 495 | |
| 496 | @SuppressWarnings("unchecked") |
| 497 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 498 | public <T> ComponentBuilderImpl start(CbComponent<T> callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 499 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 500 | setComponentCallbackRef(START, Helpers.getLambdaArgType(callback, 0), (inst, component) -> callback.accept((T) inst, component)); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 501 | } |
| 502 | return this; |
| 503 | } |
| 504 | |
| 505 | @SuppressWarnings("unchecked") |
| 506 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 507 | public <T> ComponentBuilderImpl stop(CbComponent<T> callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 508 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 509 | setComponentCallbackRef(STOP, Helpers.getLambdaArgType(callback, 0), (inst, component) -> callback.accept((T) inst, component)); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 510 | } |
| 511 | return this; |
| 512 | } |
| 513 | |
| 514 | @SuppressWarnings("unchecked") |
| 515 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 516 | public <T> ComponentBuilderImpl destroy(CbComponent<T> callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 517 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 518 | setComponentCallbackRef(DESTROY, Helpers.getLambdaArgType(callback, 0), (inst, component) -> callback.accept((T) inst, component)); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 519 | } |
| 520 | return this; |
| 521 | } |
| 522 | |
| 523 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 524 | public ComponentBuilderImpl initInstance(InstanceCb callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 525 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 526 | setInstanceCallbackRef(INIT, (inst, component) -> callback.cb()); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 527 | } |
| 528 | return this; |
| 529 | } |
| 530 | |
| 531 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 532 | public ComponentBuilderImpl startInstance(InstanceCb callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 533 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 534 | setInstanceCallbackRef(START, (inst, component) -> callback.cb()); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 535 | } |
| 536 | return this; |
| 537 | } |
| 538 | |
| 539 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 540 | public ComponentBuilderImpl stopInstance(InstanceCb callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 541 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 542 | setInstanceCallbackRef(STOP, (inst, component) -> callback.cb()); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 543 | } |
| 544 | return this; |
| 545 | } |
| 546 | |
| 547 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 548 | public ComponentBuilderImpl destroyInstance(InstanceCb callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 549 | if (callback != null) { |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 550 | setInstanceCallbackRef(DESTROY, (inst, component) -> callback.cb()); |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 551 | } |
| 552 | return this; |
| 553 | } |
| 554 | |
| 555 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 556 | public ComponentBuilderImpl initInstance(InstanceCbComponent callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 557 | if (callback != null) { |
| 558 | setInstanceCallbackRef(INIT, (inst, component) -> callback.accept(component)); |
| 559 | } |
| 560 | return this; |
| 561 | } |
| 562 | |
| 563 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 564 | public ComponentBuilderImpl startInstance(InstanceCbComponent callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 565 | if (callback != null) { |
| 566 | setInstanceCallbackRef(START, (inst, component) -> callback.accept(component)); |
| 567 | } |
| 568 | return this; |
| 569 | } |
| 570 | |
| 571 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 572 | public ComponentBuilderImpl stopInstance(InstanceCbComponent callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 573 | if (callback != null) { |
| 574 | setInstanceCallbackRef(STOP, (inst, component) -> callback.accept(component)); |
| 575 | } |
| 576 | return this; |
| 577 | } |
| 578 | |
| 579 | @Override |
Pierre De Rop | 1152750 | 2016-02-18 21:07:16 +0000 | [diff] [blame^] | 580 | public ComponentBuilderImpl destroyInstance(InstanceCbComponent callback) { |
Pierre De Rop | faca289 | 2016-01-31 23:27:05 +0000 | [diff] [blame] | 581 | if (callback != null) { |
| 582 | setInstanceCallbackRef(DESTROY, (inst, component) -> callback.accept(component)); |
| 583 | } |
| 584 | return this; |
| 585 | } |
| 586 | |
| 587 | public Component build() { |
| 588 | if (m_serviceNames != null) { |
| 589 | m_component.setInterface(m_serviceNames, m_properties); |
| 590 | } |
| 591 | |
| 592 | if (m_properties != null) { |
| 593 | m_component.setServiceProperties(m_properties); |
| 594 | } |
| 595 | |
| 596 | if (! m_componentUpdated) { // Don't override impl or set callbacks if component is being updated |
| 597 | if (m_impl != null) { |
| 598 | m_component.setImplementation(m_impl); |
| 599 | m_component.setComposition(m_compositionInstance, m_compositionMethod); |
| 600 | } else { |
| 601 | Objects.nonNull(m_factory); |
| 602 | if (m_hasFactoryRef) { |
| 603 | m_component.setFactory(m_factory, "create"); |
| 604 | if (m_factoryHasComposite) { |
| 605 | m_component.setComposition(m_factory, "getComposite"); |
| 606 | } |
| 607 | } else { |
| 608 | m_component.setFactory(m_factory, m_factoryCreateMethod); |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | if (m_refs.size() > 0) { |
| 613 | setLifecycleMethodRefs(); |
| 614 | } else if (hasLifecleMethods()) { |
| 615 | m_component.setCallbacks(m_callbackInstance, m_init, m_start, m_stop, m_destroy); |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | if (m_dependencyBuilders.size() > 0) { |
| 620 | // add atomically in case we are building some component dependencies from a component init method. |
| 621 | // We first transform the list of builders into a stream of built Dependencies, then we collect the result |
| 622 | // to an array of Dependency[]. |
| 623 | m_component.add(m_dependencyBuilders.stream().map(builder -> builder.build()).toArray(Dependency[]::new)); |
| 624 | } |
| 625 | return m_component; |
| 626 | } |
| 627 | |
| 628 | private boolean hasLifecleMethods() { |
| 629 | return m_init != null || m_start != null || m_stop != null || m_destroy != null; |
| 630 | } |
| 631 | |
| 632 | private boolean hasLifecleMethodRefs() { |
| 633 | return m_refs.size() > 0; |
| 634 | } |
| 635 | |
| 636 | private void ensureHasNoLifecycleMethods() { |
| 637 | if (hasLifecleMethods()) { |
| 638 | throw new IllegalStateException("Can't mix method references and name names for lifecycle callbacks"); |
| 639 | } |
| 640 | } |
| 641 | |
| 642 | private void ensureHasNoLifecycleMethodRefs() { |
| 643 | if (hasLifecleMethodRefs()) { |
| 644 | throw new IllegalStateException("Can't mix method references and name names for lifecycle callbacks"); |
| 645 | } |
| 646 | } |
| 647 | |
| 648 | protected <U> ComponentBuilderImpl setInstanceCallbackRef(ComponentCallback cbType, MethodRef<U> ref) { |
| 649 | ensureHasNoLifecycleMethods(); |
| 650 | List<MethodRef<Object>> list = m_refs.computeIfAbsent(cbType, l -> new ArrayList<>()); |
| 651 | list.add((instance, component) -> { |
| 652 | ref.accept(null, component); |
| 653 | }); |
| 654 | return this; |
| 655 | } |
| 656 | |
| 657 | @SuppressWarnings("unchecked") |
| 658 | private <U> ComponentBuilderImpl setComponentCallbackRef(ComponentCallback cbType, Class<U> type, MethodRef<U> callback) { |
| 659 | ensureHasNoLifecycleMethods(); |
| 660 | if (type.equals(Object.class)) { |
| 661 | throw new IllegalStateException("callback does not seam to be one from the possible component implementation classes"); |
| 662 | } |
| 663 | List<MethodRef<Object>> list = m_refs.computeIfAbsent(cbType, l -> new ArrayList<>()); |
| 664 | list.add((instance, component) -> { |
| 665 | Object componentImpl = Stream.of(component.getInstances()) |
| 666 | .filter(impl -> Helpers.getClass(impl).equals(type)) |
| 667 | .findFirst() |
| 668 | .orElseThrow(() -> new IllegalStateException("The method reference " + callback + " does not match any available component impl classes.")); |
| 669 | callback.accept((U) componentImpl, component); |
| 670 | }); |
| 671 | return this; |
| 672 | } |
| 673 | |
| 674 | @SuppressWarnings("unused") |
| 675 | private void setLifecycleMethodRefs() { |
| 676 | Object cb = new Object() { |
| 677 | void init(Component comp) { |
| 678 | invokeLfcleCallbacks(ComponentCallback.INIT, comp); |
| 679 | } |
| 680 | |
| 681 | void start(Component comp) { |
| 682 | invokeLfcleCallbacks(ComponentCallback.START, comp); |
| 683 | } |
| 684 | |
| 685 | void stop(Component comp) { |
| 686 | invokeLfcleCallbacks(ComponentCallback.STOP, comp); |
| 687 | } |
| 688 | |
| 689 | void destroy(Component comp) { |
| 690 | invokeLfcleCallbacks(ComponentCallback.DESTROY, comp); |
| 691 | } |
| 692 | }; |
| 693 | m_component.setCallbacks(cb, "init", "start", "stop", "destroy"); |
| 694 | } |
| 695 | |
| 696 | private void invokeLfcleCallbacks(ComponentCallback cbType, Component component) { |
| 697 | m_refs.computeIfPresent(cbType, (k, mrefs) -> { |
| 698 | mrefs.forEach(mref -> mref.accept(null, component)); |
| 699 | return mrefs; |
| 700 | }); |
| 701 | } |
| 702 | |
| 703 | private void ensureHasNoFactoryRef() { |
| 704 | if (m_hasFactoryRef) { |
| 705 | throw new IllegalStateException("Can't mix factory method name and factory method reference"); |
| 706 | } |
| 707 | } |
| 708 | |
| 709 | private void ensureHasNoFactory() { |
| 710 | if (m_hasFactory) { |
| 711 | throw new IllegalStateException("Can't mix factory method name and factory method reference"); |
| 712 | } |
| 713 | } |
| 714 | } |