private void Serializer(SerializationProxy.SerializerType serializerType)
{
_serializer = new SerializationProxy(serializerType);
}
/// <summary>
/// 初始化Provider 提供web.config中sessionState的配置
/// </summary>
public override void Initialize(string name, NameValueCollection config)
{
Debug.WriteLine("Initialize");
if (config == null)
{
throw new ArgumentNullException("config");
}
if (name.Length == 0)
{
name = "MongoSessionStateStore";
}
if (string.IsNullOrEmpty(config["description"]))
{
config.Remove("description");
config["description"] = "MongoDb Session State Store provider";
}
base.Initialize(name, config);
_applicationName = System.Web.Hosting.HostingEnvironment.ApplicationVirtualPath;
Configuration cfg = WebConfigurationManager.OpenWebConfiguration(_applicationName);
_cfgSection = (SessionStateSection)cfg.GetSection("system.web/sessionState");
var applicationName = config["applicationName"];
if (!string.IsNullOrEmpty(applicationName))
{
_applicationName = applicationName;
}
_connectionStringSettings = ConfigurationManager.ConnectionStrings[config["connectionStringName"]];
if (_connectionStringSettings == null || string.IsNullOrWhiteSpace(_connectionStringSettings.ConnectionString))
{
throw new ProviderException("Connection string cannot be empty");
}
_connectionString = _connectionStringSettings.ConnectionString;
_recordExceptions = !string.IsNullOrEmpty(config["recordExceptions"]) && config["recordExceptions"].ToUpper() == "TRUE";
bool journal = false;
if (!string.IsNullOrEmpty(config["journal"]))
{
if (config["journal"].ToUpper() == "TRUE")
{
journal = true;
}
}
string writeConcerStr = config["writeConcernLevel"];
WriteConcern wc;
if (!string.IsNullOrEmpty(writeConcerStr))
{
writeConcerStr = writeConcerStr.ToUpper();
switch (writeConcerStr)
{
case "W1":
wc = new WriteConcern(journal: journal, w: 1);
break;
case "W2":
wc = new WriteConcern(journal: journal, w: 2);
break;
case "W3":
wc = new WriteConcern(journal: journal, w: 3);
break;
case "WMAJORITY":
WriteConcern.WValue aux = "majority";
wc = new WriteConcern(aux, journal: journal);
break;
default:
throw new InvalidOperationException("unknown writeConcernLevel");
}
_databaseSettings = new MongoDatabaseSettings
{
WriteConcern = wc
};
}
string serializeTypeStr = config["SerializationType"];
SerializationProxy.SerializerType serializerType = SerializationProxy.SerializerType.BsonSerialization;
if (!string.IsNullOrEmpty(serializeTypeStr))
{
serializeTypeStr = serializeTypeStr.ToUpper();
switch (serializeTypeStr)
{
case "raw":
serializerType = SerializationProxy.SerializerType.RawSerialization;
break;
case "bson":
serializerType = SerializationProxy.SerializerType.BsonSerialization;
break;
default:
throw new InvalidOperationException("");
}
}
Serializer(serializerType);
}
