| /* |
| * 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 dagger.internal.codegen.xprocessing.XElements.asMethod; |
| import static java.util.Arrays.asList; |
| |
| import androidx.room.compiler.processing.XElement; |
| import androidx.room.compiler.processing.XElementKt; |
| import androidx.room.compiler.processing.XType; |
| import androidx.room.compiler.processing.XTypeElement; |
| import com.google.errorprone.annotations.CanIgnoreReturnValue; |
| import com.google.errorprone.annotations.CheckReturnValue; |
| import dagger.internal.codegen.base.ContributionType; |
| import dagger.internal.codegen.base.ContributionType.HasContributionType; |
| import dagger.internal.codegen.base.MapType; |
| import dagger.internal.codegen.base.SetType; |
| import dagger.internal.codegen.xprocessing.XTypes; |
| import dagger.spi.model.BindingKind; |
| import dagger.spi.model.DaggerAnnotation; |
| import dagger.spi.model.DependencyRequest; |
| import dagger.spi.model.Key; |
| import java.util.Optional; |
| |
| /** |
| * An abstract class for a value object representing the mechanism by which a {@link Key} can be |
| * contributed to a dependency graph. |
| */ |
| @CheckReturnValue |
| public abstract class ContributionBinding extends Binding implements HasContributionType { |
| |
| /** Returns the type that specifies this' nullability, absent if not nullable. */ |
| public abstract Optional<XType> nullableType(); |
| |
| // Note: We're using DaggerAnnotation instead of XAnnotation for its equals/hashcode |
| public abstract Optional<DaggerAnnotation> mapKey(); |
| |
| /** If {@link #bindingElement()} is a method that returns a primitive type, returns that type. */ |
| public final Optional<XType> contributedPrimitiveType() { |
| return bindingElement() |
| .filter(XElementKt::isMethod) |
| .map(bindingElement -> asMethod(bindingElement).getReturnType()) |
| .filter(XTypes::isPrimitive); |
| } |
| |
| @Override |
| public boolean requiresModuleInstance() { |
| return !isContributingModuleKotlinObject() && super.requiresModuleInstance(); |
| } |
| |
| @Override |
| public final boolean isNullable() { |
| return nullableType().isPresent(); |
| } |
| |
| /** |
| * Returns {@code true} if the contributing module is a Kotlin object. Note that a companion |
| * object is also considered a Kotlin object. |
| */ |
| private boolean isContributingModuleKotlinObject() { |
| return contributingModule().isPresent() |
| && (contributingModule().get().isKotlinObject() |
| || contributingModule().get().isCompanionObject()); |
| } |
| |
| /** |
| * The {@link XType type} for the {@code Factory<T>} or {@code Producer<T>} which is created for |
| * this binding. Uses the binding's key, V in the case of {@code Map<K, FrameworkClass<V>>>}, and |
| * E {@code Set<E>} for {@link dagger.multibindings.IntoSet @IntoSet} methods. |
| */ |
| public final XType contributedType() { |
| switch (contributionType()) { |
| case MAP: |
| return MapType.from(key()).unwrappedFrameworkValueType(); |
| case SET: |
| return SetType.from(key()).elementType(); |
| case SET_VALUES: |
| case UNIQUE: |
| return key().type().xprocessing(); |
| } |
| throw new AssertionError(); |
| } |
| |
| public abstract Builder<?, ?> toBuilder(); |
| |
| /** |
| * Base builder for {@link com.google.auto.value.AutoValue @AutoValue} subclasses of {@link |
| * ContributionBinding}. |
| */ |
| public abstract static class Builder<C extends ContributionBinding, B extends Builder<C, B>> { |
| @CanIgnoreReturnValue |
| public abstract B dependencies(Iterable<DependencyRequest> dependencies); |
| |
| @CanIgnoreReturnValue |
| public B dependencies(DependencyRequest... dependencies) { |
| return dependencies(asList(dependencies)); |
| } |
| |
| @CanIgnoreReturnValue |
| public abstract B unresolved(C unresolved); |
| |
| @CanIgnoreReturnValue |
| public abstract B contributionType(ContributionType contributionType); |
| |
| @CanIgnoreReturnValue |
| public abstract B bindingElement(XElement bindingElement); |
| |
| @CanIgnoreReturnValue |
| abstract B bindingElement(Optional<XElement> bindingElement); |
| |
| @CanIgnoreReturnValue |
| public final B clearBindingElement() { |
| return bindingElement(Optional.empty()); |
| }; |
| |
| @CanIgnoreReturnValue |
| abstract B contributingModule(XTypeElement contributingModule); |
| |
| @CanIgnoreReturnValue |
| public abstract B key(Key key); |
| |
| @CanIgnoreReturnValue |
| public abstract B nullableType(Optional<XType> nullableType); |
| |
| @CanIgnoreReturnValue |
| abstract B mapKey(Optional<DaggerAnnotation> mapKey); |
| |
| @CanIgnoreReturnValue |
| public abstract B kind(BindingKind kind); |
| |
| abstract C build(); |
| } |
| } |