Package io.github.webbasedwodt.DTKGEngine.api

Interface DTKGEngine

All Superinterfaces:
DTKGEngineReader
All Known Implementing Classes:
JenaDTKGEngine
public interface DTKGEngine extends DTKGEngineReader
This interface models the DTKGEngine component of the Abstract Architecture in a compatible way with Ditto.

  • Method Details

    • removeDigitalTwin

      void removeDigitalTwin()
      Method that allows to signal the deletion or the stop of the underlying Digital Twin.

    • addDigitalTwinPropertyUpdate

      void addDigitalTwinPropertyUpdate(RdfProperty property, Node newValue)
      Add or update a Digital Twin property within the Digital Twin Knowledge Graph.
      Parameters:
      property - the property to add/update
      newValue - the value of the property.

    • removeProperty

      boolean removeProperty(RdfProperty property)
      Remove a Digital Twin property within the Digital Twin Knowledge Graph.
      Parameters:
      property - the property to delete.
      Returns:
      true if deleted, false if not-existent.

    • addRelationship

      void addRelationship(RdfProperty relationshipPredicate, Individual targetIndividual)
      Add a relationship with another Digital Twin.
      Parameters:
      relationshipPredicate - the associated predicate
      targetIndividual - the target individual

    • removeRelationship

      boolean removeRelationship(RdfProperty relationshipPredicate, Individual targetIndividual)
      Delete an existing relationship with another Digital Twin.
      Parameters:
      relationshipPredicate - the associated predicate
      targetIndividual - the target individual.
      Returns:
      true if correctly deleted, false if the relationship doesn't exist

    • removeRelationship

      boolean removeRelationship(RdfProperty relationshipPredicate)
      Delete all the occurrences of a relationship with another Digital Twin.
      Parameters:
      relationshipPredicate - the associated predicate
      Returns:
      true if correctly deleted, false if the relationship doesn't exist

    • addActionId

      void addActionId(String actionId)
      Add an available action on the Digital Twin Knowledge Graph.
      Parameters:
      actionId - the action identifier to identify the available action.

    • removeActionId

      boolean removeActionId(String actionId)
      Remove an action from the Digital Twin Knowledge Graph.
      Parameters:
      actionId - the action identifier to remove
      Returns:
      true if correctly deleted, false if the action id doesn't exist

    • addDTKGObserver

      void addDTKGObserver(DTKGObserver observer)
      Add a DTKGObserver that will be notified for each DTKG update.
      Parameters:
      observer - the observer to add.