private CommonConfigurationAgent GetConfigurationAgentInternal(Guid id, object changeSource = null)
{
if (_configDictionary.ContainsKey(id))
{
return(_configDictionary[id]);
}
// Create a new configuration entity
var agent = new CommonConfigurationAgent(id, _logger);
var s = agent.Updated.Do(Agent_Updated).Subscribe();
_agentUpdateSubscriptions.Add(s);
_configDictionary.Add(id, agent);
return(agent);
}
public void LoadConfiguration(string fileName)
{
_logger?.Info($"Loading configuration from file '{fileName}'.");
_logger?.Debug("Clearing configuration dictionary.");
_configDictionary.Clear();
CommonConfigurationAgent GetOrCreate(Guid id)
{
if (_configDictionary.ContainsKey(id))
{
return(_configDictionary[id]);
}
var agent = new CommonConfigurationAgent(id, _logger);
var s = agent.Updated.Do(Agent_Updated).Subscribe();
_agentUpdateSubscriptions.Add(s);
_configDictionary.Add(id, agent);
return(agent);
}
if (File.Exists(fileName))
{
try
{
_logger?.Debug("Loading configuration xml document.");
var doc = XDocument.Load(fileName);
var xmlElements = doc.Root?.Elements(ConfigurationConstants.ConfigurationEntityTag);
if (xmlElements == null)
{
return;
}
foreach (var el in xmlElements)
{
var id = (Guid)el.Attribute("Id");
_logger?.Debug($"Entity discovered with Id '{id}'.");
var agent = GetOrCreate(id);
agent.Update(el, this);
}
}
catch (Exception ex)
{
_logger?.Error("An error occured whilst loading configuration.");
_logger?.Error(ex);
_configDictionary.Clear();
throw new Exception("Unable to load configuration from the specified path.", ex);
}
}
else
{
_logger?.Warning("An attempt was made to load configuration that doesn't exist.");
}
}
