| // Copyright 2017 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.MoreObjects; |
| import com.google.common.base.Preconditions; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe; |
| import com.google.devtools.build.skyframe.SkyFunctionName; |
| import com.google.devtools.build.skyframe.SkyKey; |
| |
| /** |
| * A key requesting transitive loading of all dependencies of a given label; see |
| * {@link TransitiveTargetFunction} and {@link TransitiveTargetValue}. |
| */ |
| @Immutable |
| @ThreadSafe |
| public final class TransitiveTargetKey implements SkyKey { |
| public static TransitiveTargetKey of(Label label) { |
| Preconditions.checkArgument(!label.getPackageIdentifier().getRepository().isDefault()); |
| return new TransitiveTargetKey(label); |
| } |
| |
| private final Label label; |
| |
| private TransitiveTargetKey(Label label) { |
| this.label = Preconditions.checkNotNull(label); |
| } |
| |
| @Override |
| public SkyFunctionName functionName() { |
| return SkyFunctions.TRANSITIVE_TARGET; |
| } |
| |
| @Override |
| public Object argument() { |
| return this; |
| } |
| |
| public Label getLabel() { |
| return label; |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(this).add("label", label).toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return 31 * functionName().hashCode() + label.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (o == this) { |
| return true; |
| } |
| if (!(o instanceof TransitiveTargetKey)) { |
| return false; |
| } |
| return ((TransitiveTargetKey) o).label.equals(label); |
| } |
| } |