# Package org.eclipse.viatra.query.runtime.rete.boundary

- Interface Summary
  Interface | Description
  --- | ---
  Disconnectable | For objects that connect a RETE implementation to the underlying model.

- Class Summary
  Class | Description
  --- | ---
  ExternalInputEnumeratorNode | An input node representing an enumerable extensional input relation and receiving external updates.
  ExternalInputStatelessFilterNode | A filter node representing a (stateless, typically non-enumerable) extensional input relation.
  InputConnector | A class responsible for connecting input nodes to the runtime context.
  ReteBoundary | Responsible for the storage, maintenance and communication of the nodes of the network that are accessible form the outside for various reasons.