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// Copyright 2014 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.cmdline.PackageIdentifier;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import com.google.devtools.build.lib.packages.BuildFileContainsErrorsException;
import com.google.devtools.build.lib.packages.Package;
import com.google.devtools.build.lib.vfs.RootedPath;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
/**
* A Skyframe value representing a package.
*/
@Immutable
@ThreadSafe
public class PackageValue implements SkyValue {
private final Package pkg;
public PackageValue(Package pkg) {
this.pkg = Preconditions.checkNotNull(pkg);
}
/**
* Returns the package. This package may contain errors, in which case the caller should throw
* a {@link BuildFileContainsErrorsException} if an error-free package is needed. See also
* {@link PackageErrorFunction} for the case where encountering a package with errors should shut
* down the build but the caller can handle packages with errors.
*/
public Package getPackage() {
return pkg;
}
@Override
public String toString() {
return "<PackageValue name=" + pkg.getName() + ">";
}
public static SkyKey key(PackageIdentifier pkgIdentifier) {
return new SkyKey(SkyFunctions.PACKAGE, pkgIdentifier);
}
/**
* Returns a SkyKey to find the WORKSPACE file at the given path.
*/
public static SkyKey workspaceKey(RootedPath workspacePath) {
return new SkyKey(SkyFunctions.WORKSPACE_FILE, workspacePath);
}
}
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