private void OnStateChange(object sender, NodeLifecycleState state)
{
if (!(sender is INodeLifecycleManager evictionCandidate))
{
return;
}
if (!_evictionPairs.TryGetValue(evictionCandidate.ManagedNode.IdHash, out EvictionPair evictionPair))
{
return;
}
if (state == NodeLifecycleState.Active)
{
//survived eviction
if (_logger.IsTrace)
{
_logger.Trace($"Survived eviction process, evictionCandidate: {evictionCandidate.ManagedNode}, replacementCandidate: {evictionPair.ReplacementCandidate.ManagedNode}");
}
evictionPair.ReplacementCandidate.LostEvictionProcess();
CloseEvictionProcess(evictionCandidate);
}
else if (state == NodeLifecycleState.Unreachable)
{
//lost eviction, being replaced in nodeTable
_nodeTable.ReplaceNode(evictionCandidate.ManagedNode, evictionPair.ReplacementCandidate.ManagedNode);
if (_logger.IsTrace)
{
_logger.Trace($"Lost eviction process, evictionCandidate: {evictionCandidate.ManagedNode}, replacementCandidate: {evictionPair.ReplacementCandidate.ManagedNode}");
}
CloseEvictionProcess(evictionCandidate);
}
}
