| // Copyright 2020 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.autocodec; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Target; |
| |
| /** |
| * Applied to a field (which must be static and final). The field is stored as a "constant" allowing |
| * for trivial serialization of it as an integer tag (see {@code CodecScanner} and {@code |
| * ObjectCodecRegistry}). In order to do that, a trivial associated "RegisteredSingleton" class is |
| * generated. Tagging such a field is harmless, and can be done conservatively. |
| */ |
| @Target(ElementType.FIELD) |
| public @interface SerializationConstant {} |
