org.onosproject.net.topology

Class TopologyEvent

java.lang.Object

org.onosproject.event.AbstractEvent<TopologyEvent.Type,Topology>

org.onosproject.net.topology.TopologyEvent

All Implemented Interfaces:

Event<TopologyEvent.Type,Topology>

public class TopologyEvent
extends AbstractEvent<TopologyEvent.Type,Topology>

Describes network topology event.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TopologyEvent.Type Type of topology events.

Constructor Summary

Constructors

Constructor and Description
TopologyEvent(TopologyEvent.Type type, Topology topology, List<Event> reasons) Creates an event of a given type and for the specified topology and the current time.
TopologyEvent(TopologyEvent.Type type, Topology topology, List<Event> reasons, long time) Creates an event of a given type and for the specified topology and time.

Method Summary

Modifier and Type	Method and Description
List<Event>	reasons() Returns the list of events that triggered the topology change.

Methods inherited from class org.onosproject.event.AbstractEvent

subject, time, toString, type

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

TopologyEvent

public TopologyEvent(TopologyEvent.Type type,
                     Topology topology,
                     List<Event> reasons)

Creates an event of a given type and for the specified topology and the current time.

Parameters:

type - topology event type

topology - event topology subject

reasons - list of events that triggered topology change

TopologyEvent

public TopologyEvent(TopologyEvent.Type type,
                     Topology topology,
                     List<Event> reasons,
                     long time)

Creates an event of a given type and for the specified topology and time.

Parameters:

type - link event type

topology - event topology subject

reasons - list of events that triggered topology change

time - occurrence time

Method Detail

reasons

public List<Event> reasons()

Returns the list of events that triggered the topology change.

Returns:

list of events responsible for change in topology; null if initial topology computation