103b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit/** 203b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * Copyright (C) 2009 Google Inc. 303b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * 403b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * Licensed under the Apache License, Version 2.0 (the "License"); 503b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * you may not use this file except in compliance with the License. 603b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * You may obtain a copy of the License at 703b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * 803b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * http://www.apache.org/licenses/LICENSE-2.0 903b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * 1003b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * Unless required by applicable law or agreed to in writing, software 1103b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * distributed under the License is distributed on an "AS IS" BASIS, 1203b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1303b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * See the License for the specific language governing permissions and 1403b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * limitations under the License. 1503b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit */ 1603b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit 175ae41eb77073b47e75c2dcf3766137f2352fbaf9limpbizkitpackage com.google.inject.internal; 1803b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit 19d9c913acca55023ef5d76a32c3d4a51ee6b420cbsberlinimport static com.google.common.collect.Iterables.concat; 20b7a02b02d81c830d148355c90bc309bcd66fb592sberlin 21b7a02b02d81c830d148355c90bc309bcd66fb592sberlinimport com.google.common.collect.ImmutableList; 2203b81a6b931a06c7697e422b218e3734a7f262cclimpbizkitimport com.google.inject.spi.InjectionPoint; 2303b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit 2403b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit/** 2503b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * Constructor injectors by type. 2603b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * 2703b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit * @author jessewilson@google.com (Jesse Wilson) 2803b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit */ 295ae41eb77073b47e75c2dcf3766137f2352fbaf9limpbizkitfinal class ConstructorInjectorStore { 3003b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit private final InjectorImpl injector; 3103b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit 3244475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit private final FailableCache<InjectionPoint, ConstructorInjector<?>> cache 3344475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit = new FailableCache<InjectionPoint, ConstructorInjector<?>> () { 34efa4e9f24a309c38c1356fd43eb76fcbca8d975aguice.mirrorbot@gmail.com @Override 3544475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit protected ConstructorInjector<?> create(InjectionPoint constructorInjector, Errors errors) 367cef5b0e4c19df48b7eafea8a8d7c2afc5a15fa0limpbizkit throws ErrorsException { 3744475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit return createConstructor(constructorInjector, errors); 387cef5b0e4c19df48b7eafea8a8d7c2afc5a15fa0limpbizkit } 397cef5b0e4c19df48b7eafea8a8d7c2afc5a15fa0limpbizkit }; 407cef5b0e4c19df48b7eafea8a8d7c2afc5a15fa0limpbizkit 41a843a95d620de9c8046e67a8f51619b3fedf77d3limpbizkit ConstructorInjectorStore(InjectorImpl injector) { 4203b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit this.injector = injector; 4303b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit } 4403b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit 457cef5b0e4c19df48b7eafea8a8d7c2afc5a15fa0limpbizkit /** 467cef5b0e4c19df48b7eafea8a8d7c2afc5a15fa0limpbizkit * Returns a new complete constructor injector with injection listeners registered. 477cef5b0e4c19df48b7eafea8a8d7c2afc5a15fa0limpbizkit */ 4844475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit public ConstructorInjector<?> get(InjectionPoint constructorInjector, Errors errors) 4944475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit throws ErrorsException { 5044475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit return cache.get(constructorInjector, errors); 5103b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit } 527df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin 537df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin /** 547df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin * Purges an injection point from the cache. Use this only if the cache is not actually valid and 557df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin * needs to be purged. (See issue 319 and 567df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin * ImplicitBindingTest#testCircularJitBindingsLeaveNoResidue and 577df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin * #testInstancesRequestingProvidersForThemselvesWithChildInjectors for examples of when this is 587df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin * necessary.) 597df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin * 607df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin * Returns true if the injector for that point was stored in the cache, false otherwise. 617df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin */ 627df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin boolean remove(InjectionPoint ip) { 637df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin return cache.remove(ip); 647df9cf3fc0067d9d44980ccbf246e44577ef03efsberlin } 6503b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit 6644475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit private <T> ConstructorInjector<T> createConstructor(InjectionPoint injectionPoint, Errors errors) 6703b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit throws ErrorsException { 68516e2ab11feba3634edf380c65df98fadc56a231limpbizkit int numErrorsBefore = errors.size(); 69516e2ab11feba3634edf380c65df98fadc56a231limpbizkit 70e89c49ec2c6c1034ce15e5c7d1a0d4856677eecclimpbizkit SingleParameterInjector<?>[] constructorParameterInjectors 7103b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit = injector.getParametersInjectors(injectionPoint.getDependencies(), errors); 7244475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit 7344475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit @SuppressWarnings("unchecked") // the injector type agrees with the injection point type 7444475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit MembersInjectorImpl<T> membersInjector = (MembersInjectorImpl<T>) injector.membersInjectorStore 7544475647fc7ca0595e543a7f72efdd4c6862273elimpbizkit .get(injectionPoint.getDeclaringType(), errors); 7603b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit 77eb4051392fe903931d4a799685a01c87ca1c007blimpbizkit /*if[AOP]*/ 78eb4051392fe903931d4a799685a01c87ca1c007blimpbizkit ImmutableList<MethodAspect> injectorAspects = injector.state.getMethodAspects(); 79a843a95d620de9c8046e67a8f51619b3fedf77d3limpbizkit ImmutableList<MethodAspect> methodAspects = membersInjector.getAddedAspects().isEmpty() 80eb4051392fe903931d4a799685a01c87ca1c007blimpbizkit ? injectorAspects 81eb4051392fe903931d4a799685a01c87ca1c007blimpbizkit : ImmutableList.copyOf(concat(injectorAspects, membersInjector.getAddedAspects())); 82eb4051392fe903931d4a799685a01c87ca1c007blimpbizkit ConstructionProxyFactory<T> factory = new ProxyFactory<T>(injectionPoint, methodAspects); 83eb4051392fe903931d4a799685a01c87ca1c007blimpbizkit /*end[AOP]*/ 84eb4051392fe903931d4a799685a01c87ca1c007blimpbizkit /*if[NO_AOP] 85eb4051392fe903931d4a799685a01c87ca1c007blimpbizkit ConstructionProxyFactory<T> factory = new DefaultConstructionProxyFactory<T>(injectionPoint); 86eb4051392fe903931d4a799685a01c87ca1c007blimpbizkit end[NO_AOP]*/ 8703b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit 88516e2ab11feba3634edf380c65df98fadc56a231limpbizkit errors.throwIfNewErrors(numErrorsBefore); 89516e2ab11feba3634edf380c65df98fadc56a231limpbizkit 90eb4051392fe903931d4a799685a01c87ca1c007blimpbizkit return new ConstructorInjector<T>(membersInjector.getInjectionPoints(), factory.create(), 91a843a95d620de9c8046e67a8f51619b3fedf77d3limpbizkit constructorParameterInjectors, membersInjector); 9203b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit } 9303b81a6b931a06c7697e422b218e3734a7f262cclimpbizkit} 94