pl.edu.agh.age.services.topology

Interface TopologyService

All Known Implementing Classes:

DefaultTopologyService

public interface TopologyService

Method Summary

Modifier and Type	Method and Description
boolean	hasTopology()
boolean	isLocalNodeMaster()
java.util.Optional<java.lang.String>	masterId()
java.util.Set<java.lang.String>	neighbours() Returns a set of neighbours of the current node.
java.util.Optional<org.jgrapht.Graph<java.lang.String,org.jgrapht.graph.DefaultEdge>>	topologyGraph() Returns the current topology graph.
java.util.Optional<java.lang.String>	topologyType()

Method Detail

neighbours

java.util.Set<java.lang.String> neighbours()

Returns a set of neighbours of the current node.

Returns:

set of String, possibly empty when there is no topology or the node has no neighbours.

Throws:

java.lang.IllegalStateException - when the topology cannot get the list of neighbours because it has not finished discovery.

topologyGraph

java.util.Optional<org.jgrapht.Graph<java.lang.String,org.jgrapht.graph.DefaultEdge>> topologyGraph()

Returns the current topology graph.

Returns:

an Optional containing the topology graph or empty when no topology was set.

topologyType

java.util.Optional<java.lang.String> topologyType()

masterId

java.util.Optional<java.lang.String> masterId()

isLocalNodeMaster

boolean isLocalNodeMaster()

hasTopology

boolean hasTopology()