record_locking 0.01 (Default branch) |
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record_locking uses a variation on the AJAX/Web
2.0 method of asynchronous Javascript Web page
updating to maintain the record lock on the
server. Opening a record for editing launches a
background Javascript process in the user's
browser that checks the status of the record lock
every 10 seconds. Each status check updates the
lock timestamp, confirming that the user is still
connected and actively editing the record. Locks
are normally released when the user saves the
record or navigates to a different screen. If the
user fails to properly close/release the record
(abandons the record or his browser crashes),
locks go stale if not updated for 5 minutes. The
next status request or attempt to lock the record
will delete or overwrite any stale lock.
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