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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.analysis;
import com.google.common.base.MoreObjects;
import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.util.Preconditions;
import java.util.Objects;
import javax.annotation.Nullable;
/**
* A (label,configuration) pair.
*/
public final class LabelAndConfiguration {
private final Label label;
@Nullable
private final BuildConfiguration configuration;
private LabelAndConfiguration(Label label, @Nullable BuildConfiguration configuration) {
this.label = Preconditions.checkNotNull(label);
this.configuration = configuration;
}
public LabelAndConfiguration(ConfiguredTarget rule) {
this(rule.getTarget().getLabel(), rule.getConfiguration());
}
public Label getLabel() {
return label;
}
@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 LabelAndConfiguration)) {
return false;
}
LabelAndConfiguration other = (LabelAndConfiguration) obj;
return Objects.equals(label, other.label) && Objects.equals(configuration, other.configuration);
}
public static LabelAndConfiguration of(
Label label, @Nullable BuildConfiguration configuration) {
return new LabelAndConfiguration(label, configuration);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("label", label)
.add("configuration", configuration)
.toString();
}
}
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