RFR 8010325 : Remove hash32() method and hash32 int field from java.lang.String

Remi Forax forax at univ-mlv.fr
Wed Jun 12 09:20:19 UTC 2013


On 06/12/2013 10:41 AM, Paul Sandoz wrote:
> Looks ok to me in my unofficial reviewer role.
>
> Paul.

like Paul, not an official reviewer;

The patch looks good, nice to see that String is on diet.
just nitpicking, in HashMap/HashTable readObject, there is no 
parenthesis in front of the '?',
   0 != seed? seed: 1
should be
   (0 != seed)? seed: 1

cheers,
Rémi

> On Jun 11, 2013, at 10:32 PM, Brent Christian <brent.christian at oracle.com> wrote:
>
>> Hi,
>>
>> Please review my fix for 8010325.  Some background:
>>
>> The alternative string-hashing implementation[1] added to java.lang.String a new public method, hash32(), as well as a new private int field to cache the alternate hash value.
>>
>> Following 8005698 [2] and 8005704 [3], the new method and field in String are no longer used.
>>
>> By updating a couple lines in Hashtable/HashMap/WeakHashMap, the internal sun.misc.Hashing class can also be removed.
>>
>> The webrev is here:
>> http://cr.openjdk.java.net/~bchristi/8010325/webrev.00/
>>
>> Thanks,
>> -Brent
>>
>> 1. http://hg.openjdk.java.net/jdk8/jdk8/jdk/rev/43bd5ee0205e
>> 2. http://bugs.sun.com/view_bug.do?bug_id=8005698
>> 3. http://bugs.sun.com/view_bug.do?bug_id=8005704




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