public List <Task> ProcessNodes(
Func <ChirperUserInfo, Task> action,
Action <long> intervalAction = null,
AsyncPipeline pipeline = null)
{
List <Task> promises = new List <Task>();
long i = 0;
foreach (XElement nodeData in Nodes)
{
ChirperUserInfo userData = ParseUserInfo(nodeData);
// Call main processing action
Task n = action(userData);
if (n != null)
{
if (pipeline != null)
{
pipeline.Add(n);
}
promises.Add(n);
}
// else skip this node
if (intervalAction != null && ProgressInterval != 0)
{
if ((++i % ProgressInterval) == 0)
{
// Call progress interval action
intervalAction(i);
}
}
}
return(promises);
}
public ChirperUserInfo ParseUserInfo(XElement nodeData)
{
var state = ChirperUserInfo.GetUserInfo(
Int64.Parse(nodeData.Attribute("id").Value),
nodeData.Elements(ns + "data").Single(e => e.Attribute("key").Value == customDataUserAliasValue).Value);
return(state);
}
public Task RemoveFollower(string alias, IChirperSubscriber follower)
{
IEnumerable <KeyValuePair <ChirperUserInfo, IChirperSubscriber> > found = State.Followers.Where(f => f.Key.UserAlias == alias).ToList();
if (found.Any())
{
ChirperUserInfo userInfo = found.FirstOrDefault().Key;
State.Followers.Remove(userInfo);
}
return(TaskDone.Done);
}
public Task AddFollower(string alias, long userId, IChirperSubscriber follower)
{
ChirperUserInfo userInfo = ChirperUserInfo.GetUserInfo(userId, alias);
if (State.Followers.ContainsKey(userInfo))
{
State.Followers.Remove(userInfo);
}
State.Followers[userInfo] = follower;
return(TaskDone.Done);
}
private async Task UnfollowUser(long userId, string userAlias, IChirperPublisher userToUnfollow)
{
await userToUnfollow.RemoveFollower(State.UserAlias, this);
ChirperUserInfo userInfo = ChirperUserInfo.GetUserInfo(userId, userAlias);
State.Subscriptions.Remove(userInfo);
// Notify any viewers that a subscription has been removed for this user
viewers.Notify(
v => v.SubscriptionRemoved(userInfo)
);
}
public Task SetUserDetails(ChirperUserInfo userInfo)
{
string alias = userInfo.UserAlias;
if (alias != null)
{
if (logger.IsVerbose)
{
logger.Verbose("{0} Setting UserAlias = {1}.", Me, alias);
}
State.UserAlias = alias;
}
return(TaskDone.Done);
}
public async Task SetUserDetails(ChirperUserInfo userInfo)
{
string alias = userInfo.UserAlias;
if (alias != null)
{
if (logger.IsVerbose)
{
logger.Verbose("{0} Setting UserAlias = {1}.", Me, alias);
}
State.UserAlias = alias;
await WriteStateAsync();
}
}
private async Task FollowUser(long userId, string userAlias, IChirperPublisher userToFollow)
{
if (logger.IsVerbose)
{
logger.Verbose("{0} FollowUser({1}).", Me, userAlias);
}
await userToFollow.AddFollower(State.UserAlias, State.UserId, this);
ChirperUserInfo userInfo = ChirperUserInfo.GetUserInfo(userId, userAlias);
State.Subscriptions[userInfo] = userToFollow;
// Notify any viewers that a subscription has been added for this user
viewers.Notify(
v => v.SubscriptionAdded(userInfo)
);
}
private async Task AddChirperUser(ChirperUserInfo userData)
{
// Create Chirper account grain for this user
long userId = userData.UserId;
string userAlias = userData.UserAlias;
IChirperAccount grain = GrainClient.GrainFactory.GetGrain <IChirperAccount>(userId);
this.Users[userId] = grain;
try
{
// Force creation of the grain by sending it a first message to set user alias
ChirperUserInfo userInfo = ChirperUserInfo.GetUserInfo(userId, userAlias);
await grain.SetUserDetails(userInfo);
Interlocked.Increment(ref numUsers);
}
catch (Exception exc)
{
ReportError("Error creating user id " + userId, exc);
throw exc.GetBaseException();
}
}
private async Task AddChirperUser(ChirperUserInfo userData)
{
// Create Chirper account grain for this user
long userId = userData.UserId;
string userAlias = userData.UserAlias;
IChirperAccount grain = ChirperAccountFactory.GetGrain(userId);
this.Users[userId] = grain;
try
{
// Force creation of the grain by sending it a first message to set user alias
ChirperUserInfo userInfo = ChirperUserInfo.GetUserInfo(userId, userAlias);
await grain.SetUserDetails(userInfo);
Interlocked.Increment(ref numUsers);
}
catch (Exception exc)
{
ReportError("Error creating user id " + userId, exc);
throw exc.GetBaseException();
}
}
public void SubscriptionRemoved(ChirperUserInfo notFollowing)
{
Console.WriteLine(
@"Removed subscription to {0}",
notFollowing);
}
public void SubscriptionAdded(ChirperUserInfo following)
{
Console.WriteLine(
@"Added subscription to {0}",
following);
}
public void SubscriptionRemoved(ChirperUserInfo notFollowing)
{
Console.WriteLine(
@"Removed subscription to {0}",
notFollowing);
}
public void SubscriptionAdded(ChirperUserInfo following)
{
Console.WriteLine(
@"Added subscription to {0}",
following);
}
