| // Copyright 2023 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.bazel.bzlmod; |
| |
| import com.google.common.collect.ImmutableTable; |
| import com.google.devtools.build.lib.events.ExtendedEventHandler.Postable; |
| |
| /** |
| * After resolving bazel module this event is sent from {@link BazelDepGraphFunction} holding the |
| * lockfile value with module updates, and the module extension usages. It will be received in |
| * {@link BazelLockFileModule} to be used to update the lockfile content |
| * |
| * <p>Instances of this class are retained in Skyframe nodes and subject to frequent {@link |
| * java.util.Set}-based deduplication. As such, it <b>must</b> have a cheap implementation of {@link |
| * #hashCode()} and {@link #equals(Object)}. It currently uses reference equality since the logic |
| * that creates instances of this class already ensures that there is only one instance per build. |
| */ |
| public final class BazelModuleResolutionEvent implements Postable { |
| |
| private final BazelLockFileValue onDiskLockfileValue; |
| private final BazelLockFileValue resolutionOnlyLockfileValue; |
| private final ImmutableTable<ModuleExtensionId, ModuleKey, ModuleExtensionUsage> |
| extensionUsagesById; |
| |
| private BazelModuleResolutionEvent( |
| BazelLockFileValue onDiskLockfileValue, |
| BazelLockFileValue resolutionOnlyLockfileValue, |
| ImmutableTable<ModuleExtensionId, ModuleKey, ModuleExtensionUsage> extensionUsagesById) { |
| this.onDiskLockfileValue = onDiskLockfileValue; |
| this.resolutionOnlyLockfileValue = resolutionOnlyLockfileValue; |
| this.extensionUsagesById = extensionUsagesById; |
| } |
| |
| public static BazelModuleResolutionEvent create( |
| BazelLockFileValue onDiskLockfileValue, |
| BazelLockFileValue resolutionOnlyLockfileValue, |
| ImmutableTable<ModuleExtensionId, ModuleKey, ModuleExtensionUsage> extensionUsagesById) { |
| return new BazelModuleResolutionEvent( |
| onDiskLockfileValue, resolutionOnlyLockfileValue, extensionUsagesById); |
| } |
| |
| /** Returns the contents of the lockfile as it existed on disk before the current build. */ |
| public BazelLockFileValue getOnDiskLockfileValue() { |
| return onDiskLockfileValue; |
| } |
| |
| /** |
| * Returns the result of Bazel module resolution in the form of a lockfile without any information |
| * about module extension results. |
| */ |
| public BazelLockFileValue getResolutionOnlyLockfileValue() { |
| return resolutionOnlyLockfileValue; |
| } |
| |
| public ImmutableTable<ModuleExtensionId, ModuleKey, ModuleExtensionUsage> |
| getExtensionUsagesById() { |
| return extensionUsagesById; |
| } |
| |
| @Override |
| public boolean storeForReplay() { |
| return true; |
| } |
| } |