| // 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); |
| } |
| } |