RFR(s): 8072726: add adapter to convert Enumeration to Iterator (original) (raw)
Paul Sandoz paul.sandoz at oracle.com
Tue May 19 12:26:03 UTC 2015
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On May 19, 2015, at 12:41 PM, Tomasz Kowalczewski <tomasz.kowalczewski at gmail.com> wrote:
Is there a plan to override the default method asIterator() in specific implementations of Enumeration to avoid creating new object? JarFile::entries already returns JarEntryIterator which is both.
I suppose one could, it's easy to do in some cases like in JarFile.
Given that Enumeration is a legacy thing time could be better spent on adding Stream returning methods, which already exist on JarFile/ZipFile.
Contributions will be warmly received for Stream returning methods on ClassLoader, NetworkInterface etc.!
To be fair I did some tests and when I wrap Enumerable into simple Iterator adapter it will almost always get scalar replaced by escape analysis (unless, of course, it actually escapes :)).
Right :-) works until it doesn't.
Paul.
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