1 /* 2 * Copyright (C) 2021 The Dagger Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package dagger.internal.codegen.writing; 18 19 import static dagger.internal.codegen.model.BindingKind.MULTIBOUND_MAP; 20 import static dagger.internal.codegen.model.BindingKind.MULTIBOUND_SET; 21 22 import dagger.assisted.Assisted; 23 import dagger.assisted.AssistedFactory; 24 import dagger.assisted.AssistedInject; 25 import dagger.internal.codegen.binding.ContributionBinding; 26 27 /** An object that returns static factory to satisfy framework instance request. */ 28 final class StaticFactoryInstanceSupplier implements FrameworkInstanceSupplier { 29 private final FrameworkInstanceSupplier frameworkInstanceSupplier; 30 31 @AssistedInject StaticFactoryInstanceSupplier( @ssisted ContributionBinding binding, FrameworkInstanceBindingRepresentation.Factory frameworkInstanceBindingRepresentationFactory)32 StaticFactoryInstanceSupplier( 33 @Assisted ContributionBinding binding, 34 FrameworkInstanceBindingRepresentation.Factory 35 frameworkInstanceBindingRepresentationFactory) { 36 this.frameworkInstanceSupplier = () -> staticFactoryCreation(binding); 37 } 38 39 @Override memberSelect()40 public MemberSelect memberSelect() { 41 return frameworkInstanceSupplier.memberSelect(); 42 } 43 44 // TODO(wanyingd): no-op members injector is currently handled in 45 // `MembersInjectorProviderCreationExpression`, we should inline the logic here so we won't create 46 // an extra field for it. staticFactoryCreation(ContributionBinding binding)47 private MemberSelect staticFactoryCreation(ContributionBinding binding) { 48 switch (binding.kind()) { 49 case MULTIBOUND_MAP: 50 return StaticMemberSelects.emptyMapFactory(binding); 51 case MULTIBOUND_SET: 52 return StaticMemberSelects.emptySetFactory(binding); 53 case PROVISION: 54 case INJECTION: 55 return StaticMemberSelects.factoryCreateNoArgumentMethod(binding); 56 default: 57 throw new AssertionError(String.format("Invalid binding kind: %s", binding.kind())); 58 } 59 } 60 61 @AssistedFactory 62 static interface Factory { create(ContributionBinding binding)63 StaticFactoryInstanceSupplier create(ContributionBinding binding); 64 } 65 } 66