public string AddMembershipListener(IMembershipListener listener)
{
if (listener == null)
{
throw new ArgumentNullException("listener");
}
var id = Guid.NewGuid().ToString();
_listeners[id] = listener;
if (listener is IInitialMembershipListener)
{
// TODO: needs sync with membership events...
var cluster = _client.GetCluster();
((IInitialMembershipListener)listener).Init(new InitialMembershipEvent(cluster, cluster.GetMembers()));
}
return(id);
}
public void HandleMemberAttributeChange(string uuid, string key, int operationType, string value)
{
var memberMap = _clusterService.GetMembersRef();
if (memberMap == null)
{
return;
}
foreach (var target in memberMap.Values)
{
if (target.GetUuid().Equals(uuid))
{
var type = (MemberAttributeOperationType)operationType;
((Member)target).UpdateAttribute(type, key, value);
var memberAttributeEvent = new MemberAttributeEvent(_client.GetCluster(), target, type, key,
value);
_clusterService.FireMemberAttributeEvent(memberAttributeEvent);
break;
}
}
}
private void InitMembershipListener(IMembershipListener listener)
{
if (listener is IInitialMembershipListener)
{
var cluster = _client.GetCluster();
var memberCollection = _membersRef.Get().Values;
if (memberCollection.Count == 0)
{
//if members are empty,it means initial event did not arrive yet
//it will be redirected to listeners when it arrives see #handleInitialMembershipEvent
return;
}
var members = new HashSet <IMember>(memberCollection);
var @event = new InitialMembershipEvent(cluster, members);
((IInitialMembershipListener)listener).Init(@event);
}
}
