MrChang0 commented on code in PR #1616:
URL: https://github.com/apache/incubator-fury/pull/1616#discussion_r1596305293
##########
java/fury-core/src/main/java/org/apache/fury/serializer/collection/CollectionSerializers.java:
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@@ -411,6 +415,66 @@ public ConcurrentSkipListSet newCollection(MemoryBuffer
buffer) {
}
}
+ public static final class SetFromMapSerializer extends
CollectionSerializer<Set<?>> {
+
+ private static final long MAP_FIELD_OFFSET;
+
+ static {
+ try {
+ Field mapField =
Class.forName("java.util.Collections$SetFromMap").getDeclaredField("m");
+ MAP_FIELD_OFFSET = Platform.objectFieldOffset(mapField);
+ } catch (final Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public SetFromMapSerializer(Fury fury, Class<Set<?>> type) {
+ super(fury, type, false);
+ }
+
+ @Override
+ public Collection newCollection(MemoryBuffer buffer) {
+ int numElements = buffer.readVarUint32Small7();
+ setNumElements(numElements);
+ final ClassInfo mapClassInfo =
fury.getClassResolver().readClassInfo(buffer);
+ final MethodHandle methodHandle =
ReflectionUtils.getCtrHandle(mapClassInfo.getCls(), true);
Review Comment:
ok, I change it. I test this version in graalvm and it works, I wandering
why.
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