Hi David,
We don’t have proprietary API’s to create DDS_entities using external (XML-)QoS descriptions. This is mainly because they are not needed as any application software can obtain the QoS settings at runtime from an XML-file, from environment-variable or whatever mechanism. We have some customers that store pattern-related QOS-policies as persistent-data which applications then dynamically obtain to create their DDS-entities, which is a nice mechanism as our durability-services maintain non-volatile (transient/persistent) data in a distributed, location-transparent and fault-tolerant way whereas maintaining many XML-files on many computers for many applications can become a real burden with related accidental complexity. The ‘ospl.xml’ is about configuring the middleware (i.e. the set of utilized pluggable-services) so indeed has a different purpose. Maybe a community-project could be started to create a utility-API that reads QoS-policies from a file so they can be then applied to respective DDS-entities ‘at runtime’. Regards, Hans * * *Hans van 't Hag* OpenSplice DDS Product Manager PrismTech Netherlands Email: [email protected] Tel: +31742472572 Fax: +31742472571 Gsm: +31624654078 PrismTech is a global leader in standards-based, performance-critical middleware. Our products enable our OEM, Systems Integrator, and End User customers to build and optimize high-performance systems primarily for Mil/Aero, Communications, Industrial, and Financial Markets. ------------------------------ *From:* [email protected] [mailto: [email protected]] *On Behalf Of *Chun Tat David Chu *Sent:* Thursday, August 16, 2012 9:09 PM *To:* [email protected] *Subject:* [OSPL-Dev] QoS Configuration Question Hi All, I am currently using OpenSplice 5.5.1 Community Edition and the programming language I am using is Java. I have a general QoS configuration question. Aside from programmatically configure publisher, subscriber, topic, datareader and datawriter QoS can you configure QoS dynamically such as via XML? It appears to me that the ospl.xml can only configure the domain, network and durability services. Thanks, David
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