| // 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.annotations.VisibleForTesting; |
| import com.google.common.collect.ImmutableClassToInstanceMap; |
| import com.google.protobuf.CodedInputStream; |
| import java.io.IOException; |
| |
| /** An immutable deserialization context. */ |
| public final class ImmutableDeserializationContext extends DeserializationContext { |
| |
| @VisibleForTesting |
| public ImmutableDeserializationContext( |
| ObjectCodecRegistry registry, ImmutableClassToInstanceMap<Object> dependencies) { |
| super(registry, dependencies); |
| } |
| |
| @VisibleForTesting |
| public ImmutableDeserializationContext(ImmutableClassToInstanceMap<Object> dependencies) { |
| this(AutoRegistry.get(), dependencies); |
| } |
| |
| @VisibleForTesting |
| public ImmutableDeserializationContext() { |
| this(ImmutableClassToInstanceMap.of()); |
| } |
| |
| @Override |
| public ImmutableDeserializationContext getFreshContext() { |
| return this; |
| } |
| |
| @Override |
| public void registerInitialValue(Object initialValue) {} |
| |
| @Override |
| Object deserializeAndMaybeMemoize(ObjectCodec<?> codec, CodedInputStream codedIn) |
| throws SerializationException, IOException { |
| return codec.deserialize(this, codedIn); |
| } |
| |
| @Override |
| public <T> T deserializeLeaf(CodedInputStream codedIn, LeafObjectCodec<T> codec) |
| throws SerializationException, IOException { |
| return codec.deserialize((LeafDeserializationContext) this, codedIn); |
| } |
| |
| @Override |
| Object getMemoizedBackReference(int memoIndex) { |
| throw new UnsupportedOperationException( |
| "The tag should never be less than 0 in the stateless case"); |
| } |
| } |