2015 11-04 HEADS at EclipseCon: Modelling Things for IoT

http://heads-project.eu
EclipseCon modelling Symposium Nov. 4, 2015
Modelling Things for IoT
Udo Hafermann
Software AG
1

The Internet of Things is Distributed
and Heterogeneous
• We have "things“ i.e. components of different
kinds…
• …distributed across many nodes of different
kinds
• Don't want to specifically code for each kind
of component or node
• Want to do it using modelling!
2

HEADS: Heterogeneous And Distributed
Services
• HEADS is an EU project
 Partially funded by the European Commission under
the Seventh (FP7 - 2007-2013) Framework Programme
for Research and Technological Development
• Started October 2013, ends March 2017
• Industry and academic partners
• More details on GitHub and project website
 http://heads-project.eu/
 https://github.com/HEADS-project
3

HEADS In a Nutshell
• Specifying behaviour
 Through the HEADS modelling language
• Specifying configuration
 Through the HEADS modelling language
• Transformation framework for generating
code
 Editor for live model
• Eclipse IDE support
 Standalone or installed into Luna or later
4

Specifying Behaviour (1)
• Code the component behaviour in the HEADS
modelling language
 Properties + logic + ports
+ messages
o State machines
o Event processing
o (Native code if you must)
5

Specifying Behaviour (2)
 Using the editing support in
Eclipse IDE
 Configuration
o Instances and connectors
 Generate code for the target
language
o Java, JavaScript, C, C#, .NET
o Support your next language
using the transformation
framework
6

Specifying Runtime (1)
• Configuration script
 Nodes, channels, groups
 Generate code for deployment platforms
• Live runtime model
editor
7
// create the two platform nodes
add javaNode : JavaNode
add jsNode : JavascriptNode
// provide a network way to connect to those nodes
network javaNode.ip.lo 127.0.0.1
network jsNode.ip.lo 127.0.0.1
// create a group to share the model between the nodes
add group : WSGroup
// set the master node for the group to be the jsNode
set group.master = 'jsNode'
// attach the nodes to the group
attach javaNode, jsNode group

Specifying Runtime (2)
8
model@runtime editor

Putting It All Together
12

References
• http://heads-project.eu/
• https://github.com/HEADS-project
• http://thingml.org/
• http://kevoree.org/
14

Thank You
Questions?
15

Consortium
16

2015 11-04 HEADS at EclipseCon: Modelling Things for IoT

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2015 11-04 HEADS at EclipseCon: Modelling Things for IoT