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 import dagger.internal.codegen.binding.MultiboundMapBinding; 27 import dagger.internal.codegen.binding.MultiboundSetBinding; 28 29 /** An object that returns static factory to satisfy framework instance request. */ 30 final class StaticFactoryInstanceSupplier implements FrameworkInstanceSupplier { 31 private final FrameworkInstanceSupplier frameworkInstanceSupplier; 32 33 @AssistedInject StaticFactoryInstanceSupplier( @ssisted ContributionBinding binding, FrameworkInstanceBindingRepresentation.Factory frameworkInstanceBindingRepresentationFactory)34 StaticFactoryInstanceSupplier( 35 @Assisted ContributionBinding binding, 36 FrameworkInstanceBindingRepresentation.Factory 37 frameworkInstanceBindingRepresentationFactory) { 38 this.frameworkInstanceSupplier = () -> staticFactoryCreation(binding); 39 } 40 41 @Override memberSelect()42 public MemberSelect memberSelect() { 43 return frameworkInstanceSupplier.memberSelect(); 44 } 45 46 // TODO(bcorso): no-op members injector is currently handled in 47 // `MembersInjectorProviderCreationExpression`, we should inline the logic here so we won't create 48 // an extra field for it. staticFactoryCreation(ContributionBinding binding)49 private MemberSelect staticFactoryCreation(ContributionBinding binding) { 50 switch (binding.kind()) { 51 case MULTIBOUND_MAP: 52 return StaticMemberSelects.emptyMapFactory((MultiboundMapBinding) binding); 53 case MULTIBOUND_SET: 54 return StaticMemberSelects.emptySetFactory((MultiboundSetBinding) binding); 55 case PROVISION: 56 case INJECTION: 57 return StaticMemberSelects.factoryCreateNoArgumentMethod(binding); 58 default: 59 throw new AssertionError(String.format("Invalid binding kind: %s", binding.kind())); 60 } 61 } 62 63 @AssistedFactory 64 static interface Factory { create(ContributionBinding binding)65 StaticFactoryInstanceSupplier create(ContributionBinding binding); 66 } 67 } 68