[oslc-core] Provided guidance for adding relationship labels

[Arthur Ryman]

Steve/James,

There are standard HTTP practices that describe how to safely cache 
resources, and well-behaved clients (e.g. Web browsers) should use those. 
OSLC clients should be well-behaved HTTP clients. This includes the use of 
ETags, expiry dates, and HEAD requests.

Regards, 
___________________________________________________________________________ 

Arthur Ryman, PhD, DE


Chief Architect, Project and Portfolio Management

IBM Software, Rational

Markham, ON, Canada | Office: 905-413-3077, Cell: 416-939-5063
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From:
James Conallen <jconallen at us.ibm.com>
To:
Steve K Speicher <sspeiche at us.ibm.com>
Cc:
oslc-cm at open-services.net, oslc-core at open-services.net
Date:
08/31/2010 03:29 PM
Subject:
Re: [oslc-core] Provided guidance for adding relationship labels
Sent by:
oslc-core-bounces at open-services.net



my 2c,

I worry about guidance that that suggests that it is ok to essentially 
cache information about a resource that is being referenced (and managed 
by) on another server. If this is to be a practice, what are the 
recommendations for ensuring that this information remains in sync. 
Looking at the referenced example, what happens if the owner of the 
resource 123 changes its title to "Enhancement 123: Enable multi-root 
installs"? Will this have to be manually updated? If not, does the system 
automatically update properties of links whenever it detects them.

While I do recognize this may be a way to save a GET call. I don't think 
it represents a best practice.

<jim/>

jim conallen
CAM Lead Architect
jconallen at us.ibm.com
Rational Software, IBM Software Group



Steve K Speicher---08/31/2010 02:47:42 PM---I wanted to call out some 
specification updates that was created for handling of relationship label

From: Steve K Speicher/Raleigh/IBM at IBMUS
To: oslc-cm at open-services.net
Cc: oslc-core at open-services.net
Date: 08/31/2010 02:47 PM
Subject: [oslc-core] Provided guidance for adding relationship labels
Sent by: oslc-core-bounces at open-services.net



I wanted to call out some specification updates that was created for 
handling of relationship labels on URI relationship properties.  Note the 
support for this is optional but wanted to make sure this was done in a 
uniform way across implementations.  Let me know if there are any issues 
with this.

http://open-services.net/bin/view/Main/CmSpecificationV2#Labels_for_Relationships


Thanks,
Steve Speicher | IBM Rational Software | (919) 254-0645


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