| /* |
| * Copyright (C) 2014 The Dagger Authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package dagger.internal.codegen.binding; |
| |
| import static com.google.auto.common.MoreElements.isAnnotationPresent; |
| import static java.util.stream.Collectors.toList; |
| |
| import com.google.auto.value.AutoValue; |
| import com.google.auto.value.extension.memoized.Memoized; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.ImmutableSortedSet; |
| import dagger.model.BindingKind; |
| import dagger.model.DependencyRequest; |
| import java.util.Optional; |
| import javax.inject.Inject; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.Modifier; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.element.VariableElement; |
| |
| /** Represents the full members injection of a particular type. */ |
| @AutoValue |
| public abstract class MembersInjectionBinding extends Binding { |
| @Override |
| public final Optional<Element> bindingElement() { |
| return Optional.of(membersInjectedType()); |
| } |
| |
| public abstract TypeElement membersInjectedType(); |
| |
| @Override |
| public abstract Optional<MembersInjectionBinding> unresolved(); |
| |
| @Override |
| public Optional<TypeElement> contributingModule() { |
| return Optional.empty(); |
| } |
| |
| /** The set of individual sites where {@link Inject} is applied. */ |
| public abstract ImmutableSortedSet<InjectionSite> injectionSites(); |
| |
| @Override |
| public BindingType bindingType() { |
| return BindingType.MEMBERS_INJECTION; |
| } |
| |
| @Override |
| public BindingKind kind() { |
| return BindingKind.MEMBERS_INJECTION; |
| } |
| |
| @Override |
| public boolean isNullable() { |
| return false; |
| } |
| |
| /** |
| * Returns {@code true} if any of this binding's injection sites are directly on the bound type. |
| */ |
| public boolean hasLocalInjectionSites() { |
| return injectionSites() |
| .stream() |
| .anyMatch( |
| injectionSite -> |
| injectionSite.element().getEnclosingElement().equals(membersInjectedType())); |
| } |
| |
| @Override |
| public boolean requiresModuleInstance() { |
| return false; |
| } |
| |
| @Memoized |
| @Override |
| public abstract int hashCode(); |
| |
| // TODO(ronshapiro,dpb): simplify the equality semantics |
| @Override |
| public abstract boolean equals(Object obj); |
| |
| /** Metadata about a field or method injection site. */ |
| @AutoValue |
| public abstract static class InjectionSite { |
| /** The type of injection site. */ |
| public enum Kind { |
| FIELD, |
| METHOD, |
| } |
| |
| public abstract Kind kind(); |
| |
| public abstract Element element(); |
| |
| public abstract ImmutableSet<DependencyRequest> dependencies(); |
| |
| /** |
| * Returns the index of {@link #element()} in its parents {@code @Inject} members that have the |
| * same simple name. This method filters out private elements so that the results will be |
| * consistent independent of whether the build system uses header jars or not. |
| */ |
| @Memoized |
| public int indexAmongAtInjectMembersWithSameSimpleName() { |
| return element() |
| .getEnclosingElement() |
| .getEnclosedElements() |
| .stream() |
| .filter(element -> isAnnotationPresent(element, Inject.class)) |
| .filter(element -> !element.getModifiers().contains(Modifier.PRIVATE)) |
| .filter(element -> element.getSimpleName().equals(this.element().getSimpleName())) |
| .collect(toList()) |
| .indexOf(element()); |
| } |
| |
| public static InjectionSite field(VariableElement element, DependencyRequest dependency) { |
| return new AutoValue_MembersInjectionBinding_InjectionSite( |
| Kind.FIELD, element, ImmutableSet.of(dependency)); |
| } |
| |
| public static InjectionSite method( |
| ExecutableElement element, Iterable<DependencyRequest> dependencies) { |
| return new AutoValue_MembersInjectionBinding_InjectionSite( |
| Kind.METHOD, element, ImmutableSet.copyOf(dependencies)); |
| } |
| } |
| } |