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// Copyright 2015 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.config.BuildConfiguration;
import com.google.devtools.build.lib.analysis.config.BuildOptions;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
import java.io.Serializable;
import java.util.Objects;
import java.util.Set;
/**
* A Skyframe value representing a {@link BuildConfiguration}.
*/
// TODO(bazel-team): mark this immutable when BuildConfiguration is immutable.
// @Immutable
@ThreadSafe
public class BuildConfigurationValue implements SkyValue {
private final BuildConfiguration configuration;
BuildConfigurationValue(BuildConfiguration configuration) {
this.configuration = configuration;
}
public BuildConfiguration getConfiguration() {
return configuration;
}
/**
* Returns the key for a requested configuration.
*
* @param fragments the fragments the configuration should contain
* @param buildOptions the build options the fragments should be built from
*/
@ThreadSafe
public static SkyKey key(Set<Class<? extends BuildConfiguration.Fragment>> fragments,
BuildOptions buildOptions) {
return new SkyKey(SkyFunctions.BUILD_CONFIGURATION,
new Key(fragments, buildOptions, true));
}
/**
* Returns the key for a requested action-disabled configuration (actions generated by rules
* under the configuration are ignored).
*
* @param fragments the fragments the configuration should contain
* @param buildOptions the build options the fragments should be built from
*/
@ThreadSafe
public static SkyKey disabledActionsKey(
Set<Class<? extends BuildConfiguration.Fragment>> fragments,
BuildOptions buildOptions) {
return new SkyKey(SkyFunctions.BUILD_CONFIGURATION,
new Key(fragments, buildOptions, false));
}
static final class Key implements Serializable {
private final Set<Class<? extends BuildConfiguration.Fragment>> fragments;
private final BuildOptions buildOptions;
private final boolean enableActions;
Key(Set<Class<? extends BuildConfiguration.Fragment>> fragments,
BuildOptions buildOptions, boolean enableActions) {
this.fragments = fragments;
this.buildOptions = Preconditions.checkNotNull(buildOptions);
this.enableActions = enableActions;
}
Set<Class<? extends BuildConfiguration.Fragment>> getFragments() {
return fragments;
}
BuildOptions getBuildOptions() {
return buildOptions;
}
boolean actionsEnabled() {
return enableActions;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof Key)) {
return false;
}
Key otherConfig = (Key) o;
return Objects.equals(fragments, otherConfig.fragments)
&& Objects.equals(buildOptions, otherConfig.buildOptions)
&& otherConfig.actionsEnabled() == enableActions;
}
@Override
public int hashCode() {
return Objects.hash(fragments, buildOptions, enableActions);
}
}
}
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