So, my code looks something like this:
| if (cach.containsKey(key))
| {
| throw something;
| }
|
| <acquire lock>/<begin transaction>
| if (cach.containsKey(key))
| {
| <release lock>/<rollback transaction>
| throw something;
| }
|
| cache.put(blah, key, value);
| <release lock>/<commit transaction>
|
Given these semantics, would I need to use a SERIALIZABLE isolation level, or could I
get by with REPEATABLE_READ?
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