public GroupObserver(GroupObserverOptions groupObserverOptions)
{
if (groupObserverOptions == null)
{
throw new ArgumentNullException(nameof(groupObserverOptions));
}
_cancellationToken = _cancellationTokenSource.Token;
groupObserverOptions.Build();
GroupOptions = groupObserverOptions.GroupOptions;
GroupMembersProvider = groupObserverOptions.GroupMembersProvider;
GroupMemberStore = groupObserverOptions.GroupMemberStore;
ObserverSchedule = groupObserverOptions.ObserverSchedule;
if (groupObserverOptions.Events != null)
{
Events = new GroupObserverEvents
{
OnGroupMembersJoined = groupObserverOptions.Events.OnGroupMembersJoined,
OnGroupMembersLeft = groupObserverOptions.Events.OnGroupMembersLeft,
OnGroupObserverStatusChanged = groupObserverOptions.Events.OnGroupObserverStatusChanged,
OnErrorOccured = groupObserverOptions.Events.OnErrorOccured
};
}
}
public GroupObserverOptions SetEventHandlers(Func<IEnumerable<GroupMember>, Task> onGroupMembersJoinedHandler = null,
Func<IEnumerable<GroupMember>, Task> onGroupMembersLeftHandler = null,
Func<GroupObserverStatus, Task> onGroupObserverStatusChangedHandler = null,
Func<Exception, Task> onErrorOccuredHandler = null)
{
Events = new GroupObserverEvents();
if (onGroupMembersJoinedHandler != null)
{
Events.OnGroupMembersJoined = onGroupMembersJoinedHandler;
}
if (onGroupMembersLeftHandler != null)
{
Events.OnGroupMembersLeft = onGroupMembersLeftHandler;
}
if (onGroupObserverStatusChangedHandler != null)
{
Events.OnGroupObserverStatusChanged = onGroupObserverStatusChangedHandler;
}
if (onErrorOccuredHandler != null)
{
Events.OnErrorOccured = onErrorOccuredHandler;
}
return this;
}