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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.config;
import com.google.common.base.MoreObjects;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
/**
* Convenience container for top-level target and host configurations.
*
* <p>The target configuration is used for all targets specified on the command line.
*
* <p>The host configuration is used for tools that are executed during the build, e. g, compilers.
*/
@ThreadSafe
public final class BuildConfigurationCollection {
private final BuildConfigurationValue targetConfiguration;
private final BuildConfigurationValue hostConfiguration;
public BuildConfigurationCollection(
BuildConfigurationValue targetConfiguration, BuildConfigurationValue hostConfiguration)
throws InvalidConfigurationException {
this.targetConfiguration = targetConfiguration;
this.hostConfiguration = hostConfiguration;
}
public BuildConfigurationValue getTargetConfiguration() {
return targetConfiguration;
}
/**
* Returns the host configuration for this collection.
*
* <p>Don't use this method. It's limited in that it assumes a single host configuration for the
* entire collection. This may not be true in the future and more flexible interfaces will likely
* supplant this interface anyway.
*/
public BuildConfigurationValue getHostConfiguration() {
return hostConfiguration;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof BuildConfigurationCollection)) {
return false;
}
BuildConfigurationCollection that = (BuildConfigurationCollection) obj;
return this.targetConfiguration.equals(that.targetConfiguration);
}
@Override
public int hashCode() {
return targetConfiguration.hashCode();
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("targetConfiguration", targetConfiguration.checksum())
.add("hostConfiguration", hostConfiguration.checksum())
.toString();
}
}