private void LoadClientMapFromXmlFile()
{
var xmlDocument = XDocument.Parse(File.ReadAllText(this.ConfigFilePath));
var rootNode = xmlDocument.Root;
if (rootNode == null)
{
throw new XmlException("Load configuration file root node failed.");
}
if (rootNode.Name.LocalName.EqualsIgnoreCase("mongoDBConfiguration"))
{
foreach (var mongodbNode in rootNode.Elements())
{
if (mongodbNode.Name.LocalName.EqualsIgnoreCase("mongoDB"))
{
foreach (var mongoClientNode in mongodbNode.Elements())
{
if (mongoClientNode.Name.LocalName.EqualsIgnoreCase("mongoClient"))
{
var idAttribute = mongoClientNode.Attribute("id");
var instanceId = Guid.NewGuid();;
if (idAttribute != null && !string.IsNullOrEmpty(idAttribute.Value))
{
instanceId = new Guid(idAttribute.Value);
}
var connectionString = mongoClientNode.Attribute("connectionString").Value;
var mongoSettings = MongoClientSettings.FromUrl(new MongoUrl(connectionString));
MongoDBClientPool.RegisterMongoDBClient(instanceId, mongoSettings);
var modeAttribute = mongoClientNode.Attribute("mode");
if (modeAttribute == null)
{
// If not specify the MongoDB mode type it will NOT be considered as full mode.
continue;
}
switch (modeAttribute.Value.ToLower())
{
case "read":
this.ReadableClientMap.Add(instanceId);
break;
case "write":
this.WritableClientMap.Add(instanceId);
break;
case "full":
this.ReadableClientMap.Add(instanceId);
this.WritableClientMap.Add(instanceId);
break;
}
}
}
}
}
}
}
public virtual MongoClient GetPriorityWritableClient()
{
this.SyncClientStatus();
if (!this.WritableClientMap.Any())
{
throw new MongoException("There without any available MongoDB client for write.");
}
var writableClientId = this.WritableClientMap.First();
return(MongoDBClientPool.GetMongoDBClient(writableClientId));
}
public MongoClient GetDefaultClient()
{
return(MongoDBClientPool.GetDefaultMongoDBClient());
}
public IClientHandler ReloadClientMap()
{
MongoDBClientPool.CleanMongoDBClientPool();
this.ClearClientMap();
return(this.LoadClientMap());
}