| // Copyright 2018 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.runtime; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.errorprone.annotations.CanIgnoreReturnValue; |
| import java.util.SortedMap; |
| import java.util.TreeMap; |
| import javax.annotation.Nullable; |
| import javax.annotation.concurrent.ThreadSafe; |
| |
| /** Selects between multiple available upload strategies. */ |
| @ThreadSafe |
| public class BuildEventArtifactUploaderFactoryMap { |
| private final ImmutableMap<String, BuildEventArtifactUploaderFactory> uploaders; |
| |
| private BuildEventArtifactUploaderFactoryMap( |
| ImmutableMap<String, BuildEventArtifactUploaderFactory> uploaders) { |
| this.uploaders = uploaders; |
| } |
| |
| public BuildEventArtifactUploaderFactory select(@Nullable String name) { |
| if (name == null && !uploaders.values().isEmpty()) { |
| // TODO(b/110235226): We currently choose the strategy with alphabetically first strategy, |
| // which happens to be backwards-compatible; we need to set |
| // experimental_build_event_upload_strategy to appropriate default values instead, and then |
| // make it an error to pass null. |
| return uploaders.values().iterator().next(); |
| } |
| return uploaders.getOrDefault( |
| name, BuildEventArtifactUploaderFactory.LOCAL_FILES_UPLOADER_FACTORY); |
| } |
| |
| /** Builder class for {@link BuildEventArtifactUploaderFactoryMap}. */ |
| public static class Builder { |
| private final SortedMap<String, BuildEventArtifactUploaderFactory> uploaders = new TreeMap<>(); |
| |
| public Builder() {} |
| |
| @CanIgnoreReturnValue |
| public Builder add(String name, BuildEventArtifactUploaderFactory uploader) { |
| uploaders.put(name, uploader); |
| return this; |
| } |
| |
| public BuildEventArtifactUploaderFactoryMap build() { |
| return new BuildEventArtifactUploaderFactoryMap(ImmutableMap.copyOf(uploaders)); |
| } |
| } |
| } |