| /* |
| * Copyright 2020 The Bazel Authors. All rights reserved. |
| * |
| * 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 com.google.devtools.build.android.desugar.io; |
| |
| import static com.google.common.collect.ImmutableSet.toImmutableSet; |
| |
| import com.google.auto.value.AutoValue; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.android.desugar.langmodel.ClassName; |
| import com.google.devtools.build.android.desugar.langmodel.DependencyGraph.Node; |
| import java.util.function.Predicate; |
| |
| /** |
| * A graph {@link Node} that represents a Java class in complied binary. |
| * |
| * <p>Subject to a given type filter, the direct children represent the types with a reference from |
| * the class of this parent node. This implementation relies on reading compiled class files. |
| */ |
| @AutoValue |
| abstract class FileBasedTypeReferenceNode implements Node<FileBasedTypeReferenceNode> { |
| |
| abstract ClassName className(); |
| |
| abstract Predicate<ClassName> typeFilter(); |
| |
| abstract ClassFileBatchProvider classFileBatchProvider(); |
| |
| public static FileBasedTypeReferenceNode create( |
| ClassName className, |
| Predicate<ClassName> typeFilter, |
| ClassFileBatchProvider classFileBatchProvider) { |
| return new AutoValue_FileBasedTypeReferenceNode(className, typeFilter, classFileBatchProvider); |
| } |
| |
| @Override |
| public final ImmutableSet<FileBasedTypeReferenceNode> getAllChildren() { |
| return classFileBatchProvider() |
| .getContent(className()) |
| .findReferencedTypes(typeFilter()) |
| .stream() |
| .map(childClassName -> create(childClassName, typeFilter(), classFileBatchProvider())) |
| .collect(toImmutableSet()); |
| } |
| } |