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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.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.skyframe.SkyFunctionName;
import java.util.Objects;
import javax.annotation.Nullable;
/**
* A (Label, Configuration) pair. Note that this pair may be used to look up the generating action
* of an artifact. Callers may want to ensure that they have the correct configuration for this
* purpose by passing in {@link BuildConfiguration#getArtifactOwnerConfiguration} in preference to
* the raw configuration.
*/
public class ConfiguredTargetKey extends ActionLookupValue.ActionLookupKey {
private final Label label;
@Nullable
private final BuildConfiguration configuration;
public ConfiguredTargetKey(Label label, @Nullable BuildConfiguration configuration) {
this.label = Preconditions.checkNotNull(label);
this.configuration = configuration;
}
public ConfiguredTargetKey(ConfiguredTarget rule) {
this(rule.getTarget().getLabel(), rule.getConfiguration());
}
@Override
public Label getLabel() {
return label;
}
@Override
SkyFunctionName getType() {
return SkyFunctions.CONFIGURED_TARGET;
}
@Nullable
public BuildConfiguration getConfiguration() {
return configuration;
}
@Override
public int hashCode() {
int configVal = configuration == null ? 79 : configuration.hashCode();
return 31 * label.hashCode() + configVal;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof ConfiguredTargetKey)) {
return false;
}
ConfiguredTargetKey other = (ConfiguredTargetKey) obj;
return Objects.equals(label, other.label) && Objects.equals(configuration, other.configuration);
}
public String prettyPrint() {
if (label == null) {
return "null";
}
return (configuration != null && configuration.isHostConfiguration())
? (label + " (host)") : label.toString();
}
@Override
public String toString() {
return label + " " + (configuration == null ? "null" : configuration.checksum());
}
}
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