chaokunyang commented on code in PR #1791:
URL: https://github.com/apache/fury/pull/1791#discussion_r1723179699
##########
java/fury-core/src/main/java/org/apache/fury/serializer/NonexistentClassSerializers.java:
##########
@@ -241,13 +252,40 @@ public Object read(MemoryBuffer buffer) {
return enumConstants[ordinal];
}
}
+ public static final class NonexistentEnumByNameClassSerializer extends
Serializer {
+ private final Map<MetaStringBytes, NonexistentEnum> enumMap;
+ private final MetaStringResolver metaStringResolver;
+
+ public NonexistentEnumByNameClassSerializer(Fury fury) {
+ super(fury, NonexistentEnum.class);
+ metaStringResolver = new MetaStringResolver();
+ NonexistentEnum[] enumConstants =
NonexistentEnum.class.getEnumConstants();
+ enumMap = Arrays.stream(enumConstants)
+ .map(e -> {
+ MetaStringBytes stringBytes =
+
this.metaStringResolver.getOrCreateMetaStringBytes(GENERIC_ENCODER.encode(e.name(),
MetaString.Encoding.UTF_8));
+ return new AbstractMap.SimpleEntry<>(stringBytes, e);
+ })
+ .collect(Collectors.toMap(AbstractMap.SimpleEntry::getKey,
AbstractMap.SimpleEntry::getValue));
+ }
+ @Override
+ public Enum read(MemoryBuffer buffer) {
+ MetaStringBytes metaStringBytes =
metaStringResolver.readMetaStringBytes(buffer);
+ if (!enumMap.containsKey(metaStringBytes)) {
+ Optional<NonexistentEnum> first =
enumMap.values().stream().findFirst();
Review Comment:
Or instead of returning null, we could return `NonexistentEnum.UNKNOWN`
instead
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