| /* |
| * 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 com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.Iterables; |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Multimaps; |
| import dagger.model.Key; |
| import dagger.model.RequestKind; |
| import java.util.Collection; |
| import java.util.Map; |
| import javax.lang.model.element.TypeElement; |
| |
| // TODO(bcorso): Remove the LegacyBindingGraph after we've migrated to the new BindingGraph. |
| /** The canonical representation of a full-resolved graph. */ |
| final class LegacyBindingGraph { |
| private final ComponentDescriptor componentDescriptor; |
| private final ImmutableMap<Key, ResolvedBindings> contributionBindings; |
| private final ImmutableMap<Key, ResolvedBindings> membersInjectionBindings; |
| private final ImmutableList<LegacyBindingGraph> subgraphs; |
| |
| LegacyBindingGraph( |
| ComponentDescriptor componentDescriptor, |
| ImmutableMap<Key, ResolvedBindings> contributionBindings, |
| ImmutableMap<Key, ResolvedBindings> membersInjectionBindings, |
| ImmutableList<LegacyBindingGraph> subgraphs) { |
| this.componentDescriptor = componentDescriptor; |
| this.contributionBindings = contributionBindings; |
| this.membersInjectionBindings = membersInjectionBindings; |
| this.subgraphs = checkForDuplicates(subgraphs); |
| } |
| |
| ComponentDescriptor componentDescriptor() { |
| return componentDescriptor; |
| } |
| |
| ResolvedBindings resolvedBindings(BindingRequest request) { |
| return request.isRequestKind(RequestKind.MEMBERS_INJECTION) |
| ? membersInjectionBindings.get(request.key()) |
| : contributionBindings.get(request.key()); |
| } |
| |
| Iterable<ResolvedBindings> resolvedBindings() { |
| // Don't return an immutable collection - this is only ever used for looping over all bindings |
| // in the graph. Copying is wasteful, especially if is a hashing collection, since the values |
| // should all, by definition, be distinct. |
| return Iterables.concat(membersInjectionBindings.values(), contributionBindings.values()); |
| } |
| |
| ImmutableList<LegacyBindingGraph> subgraphs() { |
| return subgraphs; |
| } |
| |
| private static ImmutableList<LegacyBindingGraph> checkForDuplicates( |
| ImmutableList<LegacyBindingGraph> graphs) { |
| Map<TypeElement, Collection<LegacyBindingGraph>> duplicateGraphs = |
| Maps.filterValues( |
| Multimaps.index(graphs, graph -> graph.componentDescriptor().typeElement()).asMap(), |
| overlapping -> overlapping.size() > 1); |
| if (!duplicateGraphs.isEmpty()) { |
| throw new IllegalArgumentException("Expected no duplicates: " + duplicateGraphs); |
| } |
| return graphs; |
| } |
| } |