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DESCRIPTION
This webinar is a practical session on Orion Context Broker. We start describing where to find the Orion information in the FI-WARE Catalogue, then how a FI-LAB user can create her/his out-of-the-box ready-to-use Orion instance. Finally, we will walk-through the main operations to manage context in Orion Context Broker. Webinar taught by Fermín Galán.
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Open APIs for Open Minds
Fermín Galán Márquez (fermin@tid.es) Telefónica I+D
Orion Context Broker webminar
January 22nd, 2014
Context management
Context Management in FI-WARE is about management of Context data (aka Context Information) Context Information is always relevant to “entities”, although entities can be anything (applications,
users, things, …) Orion Context Broker intermediates between context producers and context consumers
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Orion Context Broker Applications
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The NGSI information model
Meta-data
• Name• Type• Value
Context Element attributes• Name• Type• Value
Context Element
• EntityId• EntityType
1 n 1 n
“has” “has”
(We are not fully supporting metadata right now)
Node Lamps
Electrical Regulator
Vans
Technicians
Issues location TimeInstant
severity batteryCharge
illuminancepresence
electricPotential
Orion Context Broker in a nutshell
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Orion Context Broker
ContextProducers
ContextConsumers
subscriptions
update
query
notify
notify
update
update
DB
1026
1026
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NGSI API
REST API (XML & JSON rendering)
NGS10
• updateContext
• queryContext
• subscribeContext / updateContextSubacription / unsusbribeContext
NGS9
• registerContext
• discoverContextAvailability
• subscribeContext Availability/ updateContextAvailabilitySubacription / unsusbribeContextAvailability
Additional “convenience” operations to easy some operations
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Resources for developers
Single entry point: the FI-WARE Catalogue• http://catalogue.fi-ware.eu/
• “Enablers” tab
• “Data/Context management chapter”
• Search for “Publish/Subscribe Context Broker - Orion Context Broker”
Direct URL: http://catalogue.fi-ware.eu/enablers/publishsubscribe-context-broker-orion-context-broker
The core manuals are linked from “Documentation” tab
http://fi-ppp.eu
http://fi-ware.eu
Follow @Fiware on Twitter !
Thanks !
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