blob: d3253cc79eeca7d4865f00d88a436e088c7247f8 [file] [log] [blame]
// 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);
}
}