| // Copyright 2024 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.common.collect.ImmutableClassToInstanceMap; |
| import com.google.protobuf.CodedOutputStream; |
| import java.io.IOException; |
| |
| /** |
| * An explicitly immutable implementation of {@link SerializationContext}. |
| * |
| * <p>Immutability makes this class thread safe. |
| */ |
| final class ImmutableSerializationContext extends SerializationContext { |
| ImmutableSerializationContext( |
| ObjectCodecRegistry codecRegistry, ImmutableClassToInstanceMap<Object> dependencies) { |
| super(codecRegistry, dependencies); |
| } |
| |
| @Override |
| public ImmutableSerializationContext getFreshContext() { |
| return this; |
| } |
| |
| @Override |
| public void addExplicitlyAllowedClass(Class<?> allowedClass) throws SerializationException { |
| throw new SerializationException( |
| "Cannot add explicitly allowed class %s without memoization: " + allowedClass); |
| } |
| |
| @Override |
| public <T> void checkClassExplicitlyAllowed(Class<T> allowedClass, T objectForDebugging) |
| throws SerializationException { |
| throw new SerializationException( |
| "Cannot check explicitly allowed class " |
| + allowedClass |
| + " without memoization (" |
| + objectForDebugging |
| + ")"); |
| } |
| |
| @Override |
| void serializeWithCodec(ObjectCodec<Object> codec, Object obj, CodedOutputStream codedOut) |
| throws SerializationException, IOException { |
| codec.serialize(this, obj, codedOut); |
| } |
| |
| @Override |
| public <T> void serializeLeaf(T obj, LeafObjectCodec<T> codec, CodedOutputStream codedOut) |
| throws SerializationException, IOException { |
| codec.serialize((LeafSerializationContext) this, obj, codedOut); |
| } |
| |
| @Override |
| boolean writeBackReferenceIfMemoized(Object obj, CodedOutputStream codedOut) { |
| return false; |
| } |
| |
| @Override |
| public boolean isMemoizing() { |
| return false; |
| } |
| } |