private void HandleMemberCollection(ICollection <IMember> initialMembers)
{
var prevMembers = new HashSet <IMember>();
if (_members.Any())
{
prevMembers = new HashSet <IMember>(_members);
_members.Clear();
}
foreach (var initialMember in initialMembers)
{
_members.Add(initialMember);
}
if (prevMembers.Count == 0)
{
//this means this is the first time client connected to cluster
Logger.Info(MembersString());
var immutableSetOfMembers = ImmutableSetOfMembers();
var cluster = _client.GetCluster();
var initialMembershipEvent = new InitialMembershipEvent(cluster, immutableSetOfMembers);
_clusterService.HandleInitialMembershipEvent(initialMembershipEvent);
_initialListFetched.Set();
return;
}
var events = DetectMembershipEvents(prevMembers);
Logger.Info(MembersString());
FireMembershipEvent(events);
_initialListFetched.Set();
}
private void FireInitialMembershipEvent(InitialMembershipEvent @event)
{
foreach (var listener in _listeners.Values)
{
if (listener is IInitialMembershipListener)
{
((IInitialMembershipListener)listener).Init(@event);
}
}
}
private void InitMembershipListener()
{
foreach (var membershipListener in _listeners.Values)
{
if (membershipListener is IInitialMembershipListener)
{
// TODO: needs sync with membership events...
var cluster = _client.GetCluster();
var @event = new InitialMembershipEvent(cluster, cluster.GetMembers());
((IInitialMembershipListener)membershipListener).Init(@event);
}
}
}
internal void HandleInitialMembershipEvent(InitialMembershipEvent @event)
{
lock (_initialMembershipListenerMutex)
{
var initialMembers = @event.GetMembers();
var newMap = new Dictionary <Address, IMember>();
foreach (var initialMember in initialMembers)
{
newMap.Add(initialMember.GetAddress(), initialMember);
}
_membersRef.Set(newMap);
FireInitialMembershipEvent(@event);
}
}
private void ApplyInitialState(int version, ICollection <MemberInfo> memberInfos)
{
var snapshot = CreateSnapshot(version, memberInfos);
_memberListSnapshot.Set(snapshot);
Logger.Info(snapshot.ToString());
var members = snapshot.Members.Values;
var @event = new InitialMembershipEvent(((IHazelcastInstance)_client).Cluster, members);
foreach (var listener in _listeners.Values)
{
if (listener is IInitialMembershipListener initialMembershipListener)
{
initialMembershipListener.Init(@event);
}
}
}
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);
}
}
public Guid AddMembershipListener(IMembershipListener listener)
{
CheckNotNull(listener, NullListenerIsNotAllowed);
lock (_clusterViewLock)
{
var id = AddMembershipListenerWithoutInit(listener);
if (listener is IInitialMembershipListener)
{
var cluster = ((IHazelcastInstance)_client).Cluster;
var members = Members;
//if members are empty,it means initial event did not arrive yet
//it will be redirected to listeners when it arrives see #handleInitialMembershipEvent
if (members.Count != 0)
{
var @event = new InitialMembershipEvent(cluster, members);
((IInitialMembershipListener)listener).Init(@event);
}
}
return(id);
}
}
public void Init(InitialMembershipEvent membershipEvent)
{
_membershipEvent = membershipEvent;
Interlocked.Increment(ref counter);
}
public void Init(InitialMembershipEvent membershipEvent)
{
_membershipEvent = membershipEvent;
}
