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// 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.analysis.platform;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.events.Location;
import com.google.devtools.build.lib.packages.NativeInfo;
import com.google.devtools.build.lib.packages.NativeProvider;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec.VisibleForSerialization;
import com.google.devtools.build.lib.skylarkbuildapi.platform.ConstraintSettingInfoApi;
import com.google.devtools.build.lib.util.Fingerprint;
/** Provider for a platform constraint setting that is available to be fulfilled. */
@Immutable
@AutoCodec
public class ConstraintSettingInfo extends NativeInfo implements ConstraintSettingInfoApi {
/** Name used in Skylark for accessing this provider. */
public static final String SKYLARK_NAME = "ConstraintSettingInfo";
/** Skylark constructor and identifier for this provider. */
public static final NativeProvider<ConstraintSettingInfo> PROVIDER =
new NativeProvider<ConstraintSettingInfo>(ConstraintSettingInfo.class, SKYLARK_NAME) {};
private final Label label;
@VisibleForSerialization
ConstraintSettingInfo(Label label, Location location) {
super(PROVIDER, location);
this.label = label;
}
@Override
public Label label() {
return label;
}
/** Returns a new {@link ConstraintSettingInfo} with the given data. */
public static ConstraintSettingInfo create(Label constraintSetting) {
return create(constraintSetting, Location.BUILTIN);
}
/** Returns a new {@link ConstraintSettingInfo} with the given data. */
public static ConstraintSettingInfo create(Label constraintSetting, Location location) {
return new ConstraintSettingInfo(constraintSetting, location);
}
/** Add this constraint setting to the given fingerprint. */
public void addTo(Fingerprint fp) {
fp.addString(label.getCanonicalForm());
}
}
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