Live demo to enable and disable access control

[asorici]

Context

The current light308 demo only shows the case where an access request is granted, following the profiled and dynamic context information conditions.

We need a setup that can change the access status at runtime, for a demo.

TODO

Two things can affect the access conditions:

• the profiled employment status

• the dynamic "LocatedAt" stream

• Design and implement a flow that enables runtime-level changes to the upb-hmas-profiled-context.ttl file. Implement an observe file change functionality that will reflect in the profiledContextRepo from the ContextMgmtVerticle

• Design and implement a method to alter the LocatedAtContextStream to periodically pause once for 10 seconds, before having a bout of 3 instances, all 5 seconds apart, where it senses presence. This needs to be complemented by a check and a change in the ContextDomain membership verification functionality (see issue Enable IStream and DStream flow in dynamic ContextDomain membership verification #4 )

• Test that both of the above types of changes affect the access result