| // 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.skyframe; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.devtools.build.lib.analysis.ConfiguredTarget; |
| import com.google.devtools.build.lib.packages.Package; |
| import com.google.devtools.build.lib.packages.Target; |
| |
| /** |
| * A container class for a {@link ConfiguredTarget} and {@link Target}. In the future, {@link |
| * ConfiguredTarget} objects will no longer contain their associated {@link Target}. Consumers that |
| * need the {@link Target} must therefore have access to one of these objects. |
| * |
| * <p>These objects are intended to be short-lived, never stored in Skyframe, since they pair two |
| * heavyweight objects, a {@link ConfiguredTarget} and a {@link Target}, which holds a {@link |
| * Package}. |
| */ |
| public class ConfiguredTargetAndTarget { |
| private final ConfiguredTarget configuredTarget; |
| private final Target target; |
| |
| ConfiguredTargetAndTarget(ConfiguredTarget configuredTarget, Target target) { |
| this.configuredTarget = configuredTarget; |
| this.target = target; |
| Preconditions.checkState( |
| configuredTarget.getTarget().equals(target), |
| "%s %s %s", |
| configuredTarget, |
| target, |
| configuredTarget.getTarget()); |
| } |
| |
| /** |
| * For use with {@code MergedConfiguredTarget} and similar, where we create a virtual {@link |
| * ConfiguredTarget} corresponding to the same {@link Target}. |
| */ |
| public ConfiguredTargetAndTarget fromConfiguredTarget(ConfiguredTarget maybeNew) { |
| if (configuredTarget.equals(maybeNew)) { |
| return this; |
| } |
| return new ConfiguredTargetAndTarget(maybeNew, this.target); |
| } |
| |
| public Target getTarget() { |
| return target; |
| } |
| |
| public ConfiguredTarget getConfiguredTarget() { |
| return configuredTarget; |
| } |
| } |