chaokunyang commented on issue #1980:
URL: https://github.com/apache/fury/issues/1980#issuecomment-2546209918
Hi @Nikhil-n17 , why do you want to register some classes? Is that for
security consideration? Or you want to skip write classname for smaller
serialized data?
It's hard to ignore class id in the serialized data. You must use
registration all the time, or just don't use it. The registered classes must
have same order and same class id.
One of the solution I think of is that you use multiple Fury instance with
different configuration. And you write a different magic number for every Fury
instance. And use the coresponding Fury for deserialization.
Here is an example:
```java
Fury fury1 = Fury.builder().withName("fury1").build();
MemoryBuffer buffer = xxx;
buffer.write_int32(magicNumber1);
fury1.serialize(buffer, new SomeObject());
Fury fury2 = Fury.builder().withName("fury2").build();
MemoryBuffer buffer2 = xxx;
buffer2.write_int32(magicNumber1);
fury2.serialize(buffer2, new SomeObject());
int magicNumber = buffer.read_int32();
if (magicNumber == magicNumber1) {
fury1.deserialize(buffer)
} else if (magicNumber == magicNumber2) {
fury2.deserialize(buffer)
}
```
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