| // Copyright 2016 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.analysis; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.devtools.build.lib.actions.ActionAnalysisMetadata; |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.packages.NativeClassObjectConstructor; |
| import com.google.devtools.build.lib.packages.SkylarkClassObject; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * This provides a view over the actions that were created during the analysis of a rule |
| * (not including actions for its transitive dependencies). |
| */ |
| public final class ActionsProvider { |
| |
| /** |
| * The Actions provider type itself. |
| */ |
| public static final NativeClassObjectConstructor SKYLARK_CONSTRUCTOR = |
| new NativeClassObjectConstructor("Actions") { }; |
| |
| /** |
| * Factory method for creating instances of the Actions provider. |
| */ |
| public static SkylarkClassObject create(Iterable<ActionAnalysisMetadata> actions) { |
| Map<Artifact, ActionAnalysisMetadata> map = new HashMap<>(); |
| for (ActionAnalysisMetadata action : actions) { |
| for (Artifact artifact : action.getOutputs()) { |
| // In the case that two actions generated the same artifact, the first wins. They |
| // ought to be equal anyway. |
| if (!map.containsKey(artifact)) { |
| map.put(artifact, action); |
| } |
| } |
| } |
| ImmutableMap<String, Object> fields = ImmutableMap.<String, Object>of("by_file", map); |
| return new SkylarkClassObject(SKYLARK_CONSTRUCTOR, fields); |
| } |
| } |