public void OnEntryRemoved(string key)
{
var command = new CacheCommand
{
Type = CacheCommandType.Remove,
Entries = new[] {
new CacheEntry {
Key = key
}
}
};
// When an entry is removed let all subscribers know
var context = _server.ConnectionManager.GetConnectionContext<CacheConnection>();
context.Connection.Broadcast(command);
}
public Task Delete(string key)
{
var command = new CacheCommand
{
Type = CacheCommandType.Remove,
Entries = new[] {
new CacheEntry {
Key = key
}
}
};
// Execute local delete
object value;
_cache.TryRemove(key, out value);
return SendCommand(command);
}
public Task Add(string key, object value)
{
var entry = new[] {
new CacheEntry
{
Key = key,
Value = value
}
};
var command = new CacheCommand
{
Type = CacheCommandType.Add,
Entries = entry
};
// Make it available immediately to the local cache
_cache.AddOrUpdate(key, value, (k, v) => value);
return SendCommand(command);
}
private Task SendCommand(CacheCommand command)
{
return _connection.Send(JsonConvert.SerializeObject(command));
}
protected override Task OnConnectedAsync(IRequest request, string connectionId)
{
var command = new CacheCommand
{
Type = CacheCommandType.Add,
Entries = _cache.Store.GetAll().ToArray()
};
// REVIEW: Should we send all of the data to the client on reconnect?
// Let the client request a subset of the data or none at all.
return Connection.Send(connectionId, command);
}
