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// Copyright 2018 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.serialization;
import com.google.protobuf.CodedInputStream;
import com.google.protobuf.CodedOutputStream;
import java.io.IOException;
/**
* A codec that throws an error whenever used. For usage in versions of Bazel that should never be
* serialing the instances of the type T.
*/
public class CodecWithFailure<T> implements ObjectCodec<T> {
private final String message;
private final Class<?> clazz;
public CodecWithFailure(Class<?> clazz, String message) {
this.clazz = clazz;
this.message = message;
}
@SuppressWarnings("unchecked")
@Override
public Class<? extends T> getEncodedClass() {
return (Class<? extends T>) clazz;
}
@Override
public void serialize(SerializationContext context, T obj, CodedOutputStream codedOut)
throws SerializationException, IOException {
throw new SerializationException(message);
}
@Override
public T deserialize(DeserializationContext context, CodedInputStream codedIn)
throws SerializationException, IOException {
throw new SerializationException(message);
}
}
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