What is a simple way to get ACID transactions with persistence on the local file system (in Java)?

Posted by T.R. on Stack Overflow See other posts from Stack Overflow or by T.R.
Published on 2010-03-17T10:31:05Z Indexed on 2010/03/17 11:01 UTC
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java

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synchronized

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file-system

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persistence

I'm working on a small (java) project where a website needs to maintain a (preferably comma-separated) list of registered e-mail addresses, nothing else, and be able to check if an address is in the list. I have no control over the hosting or the server's lack of database support.

Prevayler seemed a good solution, but the website is a ghost town, with example code missing from just about everywhere it's supposed to be, so I'm a little wary.

What other options are recommended for such a task?

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