Groups > comp.lang.java.programmer > #6398

Re: Why "lock" functionality is introduced for all the objects?

Date	2011-07-22 10:17 -0400
From	Arne Vajhøj <arne@vajhoej.dk>
Newsgroups	comp.lang.java.programmer
Subject	Re: Why "lock" functionality is introduced for all the objects?
References	<d0bb9e06-16f0-4282-a37e-47e9ca9630ec@r2g2000vbj.googlegroups.com> <alpine.DEB.2.00.1106302251380.3024@urchin.earth.li> <4e28c4c4$0$308$14726298@news.sunsite.dk> <j0atr0$vph$2@speranza.aioe.org>
Message-ID	<4e298683$0$315$14726298@news.sunsite.dk> (permalink)
Organization	SunSITE.dk - Supporting Open source

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On 7/22/2011 12:20 AM, Henderson wrote:
> On 21/07/2011 8:30 PM, Arne Vajhøj wrote:
>> On 6/30/2011 6:04 PM, Tom Anderson wrote:
>>> On Tue, 28 Jun 2011, Alex J wrote:
>>>> The better decision, IMHO, would be to introduce lock/wait mechanics
>>>> for only, say, the Lockable descendants.
>>>
>>> I agree with this, actually. There might be some small performance
>>> improvement, but it would also make the locking behaviour of code more
>>> explicit, and so clearer.
>>
>> Given that Java does not allow multiple inheritance then that would
>> have been tough restriction.
>
> Others suggested that Lockable could have been a marker interface with
> special significance to the compiler, ala Serializable. Java allows
> multiple inheritance of interfaces.

It could be, but does that provide any space in the data structure?

Arne

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Thread

Re: Why "lock" functionality is introduced for all the objects? Arne Vajhøj <arne@vajhoej.dk> - 2011-07-21 20:30 -0400
  Re: Why "lock" functionality is introduced for all the objects? Henderson <h1@g1.f1> - 2011-07-22 00:20 -0400
    Re: Why "lock" functionality is introduced for all the objects? Arne Vajhøj <arne@vajhoej.dk> - 2011-07-22 10:17 -0400
      Re: Why "lock" functionality is introduced for all the objects? Patricia Shanahan <pats@acm.org> - 2011-07-22 09:30 -0700
        Re: Why "lock" functionality is introduced for all the objects? Patricia Shanahan <pats@acm.org> - 2011-07-22 09:45 -0700
        Re: Why "lock" functionality is introduced for all the objects? Arne Vajhøj <arne@vajhoej.dk> - 2011-07-22 14:53 -0400
  Re: Why "lock" functionality is introduced for all the objects? v_borchert@despammed.com (Volker Borchert) - 2011-07-22 04:39 +0000
    Re: Why "lock" functionality is introduced for all the objects? Arne Vajhøj <arne@vajhoej.dk> - 2011-07-22 10:19 -0400

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