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// Copyright 2017 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.buildeventstream;
import com.google.common.collect.ImmutableList;
import java.util.Collection;
/**
* {@link BuildEvent} presenting the configuration in the build event protocol
* that internally is just a null pointer.
*/
public class NullConfiguration implements BuildEvent {
public static final NullConfiguration INSTANCE = new NullConfiguration();
@Override
public BuildEventId getEventId() {
return BuildEventId.nullConfigurationId();
}
@Override
public Collection<BuildEventId> getChildrenEvents() {
return ImmutableList.of();
}
@Override
public BuildEventStreamProtos.BuildEvent asStreamProto(BuildEventContext converters) {
return GenericBuildEvent.protoChaining(this)
.setConfiguration(BuildEventStreamProtos.Configuration.getDefaultInstance())
.build();
}
}
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