RFR 9: 8138696 : java.lang.ref.Cleaner (original) (raw)

RFR 9: 8138696 : java.lang.ref.Cleaner - an easy to use alternative to finalization

Alan Bateman Alan.Bateman at oracle.com
Wed Oct 14 13:35:02 UTC 2015

On 14/10/2015 14:24, Roger Riggs wrote:

Hi,

Confirmed, the design and implementation encapsulate the cleanup so it can be run consistently at-most-once either at close or when it is unreferenced. It has not been a problem for sun.misc.Cleaner because the cleanup is only done when the ref is unreachable. But there are issues about latency in getting resources released and reusable. There are a few places the in JDK where we do use Cleaner::clean for exactly this reason.

One thing that I've been wondering about is why the abstract XXXCleanable classes are public, is that intended?

-Alan.

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