Hi!
How should I approach serialization? I made a little test function
which serializes and deserializes Clojure objects. It works for
strings, integers, symbols, LazilyPersistentVectors and.. oddly..
PersistentHashMaps that have exactly one element. (My Clojure is about
a month old.)
But for other things, like keywords and most PersistentHashMaps, it
throws NotSerializableException.
My imagined possible solutions:
* Implement Serializable for Clojure data -- but is it possible in a
dynamic "Hey I'll just write a new method!" way?
* Go into Clojure's source and implement Serializable to the Java
classes.
My end goal is using a nonrelational DB like Tokyo Cabinet or
BerkeleyDB.
Thanks,
Tayssir
PS: Here's my test code:
(defn my-identity "Copies obj through serialization and
deserialization."
[obj]
(let [byte-out (new java.io.ByteArrayOutputStream)
obj-out (new java.io.ObjectOutputStream byte-out)]
(try (.writeObject obj-out obj)
(finally (.close obj-out)))
(let [obj-in (new java.io.ObjectInputStream
(new java.io.ByteArrayInputStream (.toByteArray
byte-out)))]
(try (.readObject obj-in)
(finally (.close obj-in))))))
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