| // Copyright 2014 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.lib.rules.java; |
| |
| import com.google.devtools.build.lib.analysis.TransitiveInfoProvider; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSet; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; |
| import java.util.Collection; |
| |
| /** |
| * The collection of labels of exported targets and artifacts reached via "exports" attribute |
| * transitively. |
| */ |
| @Immutable |
| @AutoCodec |
| public final class JavaExportsProvider implements TransitiveInfoProvider { |
| |
| private final NestedSet<Label> transitiveExports; |
| |
| JavaExportsProvider(NestedSet<Label> transitiveExports) { |
| this.transitiveExports = transitiveExports; |
| } |
| |
| public static JavaExportsProvider merge(Collection<JavaExportsProvider> providers) { |
| NestedSetBuilder<Label> builder = NestedSetBuilder.stableOrder(); |
| |
| providers.stream() |
| .map(JavaExportsProvider::getTransitiveExports) |
| .forEach(builder::addTransitive); |
| |
| return new JavaExportsProvider(builder.build()); |
| } |
| |
| /** |
| * Returns the labels of exported targets and artifacts reached transitively through the "exports" |
| * attribute. |
| */ |
| public NestedSet<Label> getTransitiveExports() { |
| return transitiveExports; |
| } |
| } |