.. the result is 2 (the I in ACID)...
Cheers,
dieter
Dieter Roller
IBM Senior Technical Staff Member (STSM)
IBM Academy of Technology Emeritus
Phone : +49-7031-164476
Fax : +49-7031-164890
e-mail rol@de.ibm.com
Assaf Arkin
<arkin@intalio.co
m> To
Dieter Roller/Germany/IBM@IBMDE
10/05/2004 09:30 cc
AM wsbpeltc
<wsbpel@lists.oasis-open.org>,
ygoland@bea.com
Subject
Re: [wsbpel] Issue - 166 - Let's
try it again
assign counter = 0
flow
assign counter = counter +1
assign counter = counter +1
If atomic means infinitesimal, then I would interpret it to mean the two
activities cannot happen concurrently (logically speaking), and the
result is counter = 2.
If atomic means indivisible, then I would interpret it to mean that the
two activities cannot be interspersed, but could occur concurrently, and
the result could be counter = 1.
Assaf
Dieter Roller wrote:
??
Dieter Roller
IBM Senior Technical Staff Member (STSM)
IBM Academy of Technology Emeritus
Phone : +49-7031-164476
Fax : +49-7031-164890
e-mail rol@de.ibm.com
Assaf Arkin
<arkin@intalio.co
m> To
Dieter Roller/Germany/IBM@IBMDE
10/05/2004 08:50 cc
AM ygoland@bea.com, wsbpeltc
<wsbpel@lists.oasis-open.org>
Subject
Re: [wsbpel] Issue - 166 - Let's
try it again
Is it indivisible or infinitesimal?
Assaf
Dieter Roller wrote:
I don't think that the meaning of atomic is ambigous. It means that the
assign is executed has the properties of an ACID transaction. Requiring
that an assign is executed as the only activity in a process is far too
restrictive (and not necessary)...
Cheers,
dieter
Dieter Roller
IBM Senior Technical Staff Member (STSM)
IBM Academy of Technology Emeritus
Phone : +49-7031-164476
Fax : +49-7031-164890
e-mail rol@de.ibm.com
"Yaron Y. Goland"
<ygoland@bea.com>
To
10/05/2004 01:54 wsbpeltc
AM <wsbpel@lists.oasis-open.org>
cc
Please respond to Subject
ygoland [wsbpel] Issue - 166 - Let's try it
again
Problem: The meaning of the term atomic in the BPEL specification's
definition of assign is ambiguous.
Proposed Change Of Language: The assign activity is atomic, that is, the
assign activity MUST be executed as if, for the duration of its
execution, it was the only activity in the process being executed. The
mechanisms used to implement the previous requirement are implementation
dependent.
Thoughts?
Yaron
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