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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.packages;
import com.google.common.annotations.VisibleForTesting;
import com.google.devtools.build.lib.skyframe.serialization.DeserializationContext;
import com.google.devtools.build.lib.skyframe.serialization.ObjectCodec;
import com.google.devtools.build.lib.skyframe.serialization.SerializationContext;
import com.google.devtools.build.lib.skyframe.serialization.SerializationException;
import com.google.protobuf.CodedInputStream;
import com.google.protobuf.CodedOutputStream;
/**
* Codec for {@link Rule} that throws. We expect never to serialize Rule except for in PackageCodec,
* which has custom logic.
*/
public class RuleCodec implements ObjectCodec<Rule> {
@VisibleForTesting
static final String SERIALIZATION_ERROR_TEMPLATE =
"Rule serialization is not permitted outside of PackageCodec, but attempted to serialize "
+ "Rule %s.";
private static final String DESERIALIZATION_ERROR_TEMPLATE =
"Rule deserialization is not permitted outside of PackageCodec, but attempted to deserialize "
+ "a rule";
@Override
public Class<? extends Rule> getEncodedClass() {
return Rule.class;
}
@Override
public void serialize(SerializationContext context, Rule obj, CodedOutputStream codedOut)
throws SerializationException {
throw new SerializationException(String.format(SERIALIZATION_ERROR_TEMPLATE, obj));
}
@Override
public Rule deserialize(DeserializationContext context, CodedInputStream codedIn)
throws SerializationException {
throw new SerializationException(DESERIALIZATION_ERROR_TEMPLATE);
}
}