Ephemerons for Java

[Florent Guillaume]

Hi,

Peter Levart discussed a prototype for Ephemerons a year ago:

http://mail.openjdk.java.net/pipermail/core-libs-dev/2016-January/038094.html

Florent


On Tue, Jan 10, 2017 at 1:36 AM, Jochen Theodorou <blackdrag at gmx.org> wrote:

> Hi all,
>
> This is kind of a feature request... What I would like to have is a new
> Reference variant that allows me to keep an instance alive for as long as
> the class of the object is alive, without the instance keeping the class
> alive.
>
> In the end I would like to be able to store values, but don´t keep the
> classes involved from being garbage collected. I am especially thinking
> here about a combination of ClassValue and this Ephemeron (?) that allows
> me to cache values on classes, without preventing class unloading.
>
> Is there any chance for this making its way into the JVM? What would
> prevent this?
>
> bye Jochen
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> mlvm-dev at openjdk.java.net
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>



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Florent Guillaume – Director of R&D
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