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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 static com.google.common.base.Preconditions.checkArgument;
import com.google.common.collect.Interner;
import com.google.devtools.build.lib.actions.ActionLookupKey;
import com.google.devtools.build.lib.actions.ActionLookupValue;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.concurrent.BlazeInterners;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.SerializationConstant;
import com.google.devtools.build.skyframe.AbstractSkyKey;
import com.google.devtools.build.skyframe.SkyFunctionName;
import com.google.devtools.build.skyframe.SkyValue;
/**
* A marker for an {@link ActionLookupValue} which is known to be transitively error-free from
* action conflict issues.
*/
public class ActionLookupConflictFindingValue implements SkyValue {
@SerializationConstant
static final ActionLookupConflictFindingValue INSTANCE = new ActionLookupConflictFindingValue();
private ActionLookupConflictFindingValue() {}
public static Key key(ActionLookupKey lookupKey) {
return Key.create(lookupKey);
}
public static Key key(Artifact artifact) {
checkArgument(artifact instanceof Artifact.DerivedArtifact, artifact);
return ActionLookupConflictFindingValue.key(
((Artifact.DerivedArtifact) artifact).getGeneratingActionKey().getActionLookupKey());
}
@AutoCodec.VisibleForSerialization
@AutoCodec
static class Key extends AbstractSkyKey<ActionLookupKey> {
private static final Interner<Key> interner = BlazeInterners.newWeakInterner();
private Key(ActionLookupKey arg) {
super(arg);
}
@AutoCodec.VisibleForSerialization
@AutoCodec.Instantiator
static Key create(ActionLookupKey arg) {
return interner.intern(new Key(arg));
}
@Override
public SkyFunctionName functionName() {
return SkyFunctions.ACTION_LOOKUP_CONFLICT_FINDING;
}
}
}