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// Copyright 2014 Google Inc. 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.WorkspaceStatusAction;
import com.google.devtools.build.skyframe.SkyFunction;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
/** Creates the workspace status artifacts and action. */
public class WorkspaceStatusFunction implements SkyFunction {
WorkspaceStatusFunction() {
}
@Override
public SkyValue compute(SkyKey skyKey, Environment env) {
Preconditions.checkState(
WorkspaceStatusValue.SKY_KEY.equals(skyKey), WorkspaceStatusValue.SKY_KEY);
WorkspaceStatusAction action = PrecomputedValue.WORKSPACE_STATUS_KEY.get(env);
if (action == null) {
return null;
}
return new WorkspaceStatusValue(
action.getStableStatus(),
action.getVolatileStatus(),
action);
}
@Override
public String extractTag(SkyKey skyKey) {
return null;
}
}
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