Proposal: Automatic Resource Management

Bob Lee crazybob at
Tue Mar 3 19:16:27 PST 2009

On Tue, Mar 3, 2009 at 6:47 PM, Neal Gafter <neal at> wrote:

> I guess I assumed you were aware why people complain about
> Closeable.close() throwing IOException.  Josh alluded to this when he
> said that Disposable won't be terribly useful as a parameter type.
> When you pass it somewhere, the receiver must assume that the close()
> method throws any Exception, and that forces the receiver to write
> code to handle the whole Exception hierarchy.  I think it's likely
> that programmers would want to pass a Disposable around so that the
> receiver can put a region of code under control of the resource (i.e.
> dispose it when the receiver arrives at some particular point of
> completion).  I'm afraid this would just be trading one set of pain
> points for another.

I think the new Disposable interface will work out very nicely (we could
also name it Resource instead, but that can be left for the EG).


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