/// <summary>
/// 创建DatabaseSchemaContext实例。
/// </summary>
/// <param name="dataContext">DataContext对象</param>
public DatabaseSchemaContext(Symbol.Data.IDataContext dataContext)
{
_dataContext = dataContext;
_databaseName = dataContext.Connection.Database;
_log = LogBase.Empty;
_vars = new Symbol.Collections.Generic.NameValueCollection <object>();
_vars.Add("log", _log);
_vars.Add("dataContext", _dataContext);
_vars.Add("databaseName", _databaseName);
}
static PostgreSQLProvider()
{
_types = new Collections.Generic.NameValueCollection <System.Type>();
#if netcore || net45
_types.Add("Npgsql.NpgsqlConnection", typeof(Npgsql.NpgsqlConnection));
_types.Add("Npgsql.NpgsqlConnectionStringBuilder", typeof(Npgsql.NpgsqlConnectionStringBuilder));
_types.Add("NpgsqlTypes.NpgsqlDbType", typeof(NpgsqlTypes.NpgsqlDbType));
#else
GetType("Npgsql.NpgsqlConnection");
GetType("Npgsql.NpgsqlConnectionStringBuilder");
GetType("NpgsqlTypes.NpgsqlDbType");
#endif
}
static MySqlProvider()
{
_types = new Collections.Generic.NameValueCollection <System.Type>();
#if netcore || net452
_types.Add("MySql.Data.MySqlClient.MySqlConnection", typeof(MySql.Data.MySqlClient.MySqlConnection));
_types.Add("MySql.Data.MySqlClient.MySqlConnectionStringBuilder", typeof(MySql.Data.MySqlClient.MySqlConnectionStringBuilder));
_types.Add("MySql.Data.MySqlClient.MySqlDbType", typeof(MySql.Data.MySqlClient.MySqlDbType));
#else
GetType("MySql.Data.MySqlClient.MySqlConnection");
GetType("MySql.Data.MySqlClient.MySqlConnectionStringBuilder");
GetType("MySql.Data.MySqlClient.MySqlDbType");
#endif
}
/// <summary>
/// 获取类型
/// </summary>
/// <param name="name">类型名称</param>
/// <returns></returns>
public static FastWrapper GetType(string name)
{
if (string.IsNullOrEmpty(name))
{
return(null);
}
FastWrapper wrapper;
if (_types.TryGetValue(name, out wrapper))
{
return(wrapper);
}
if (_types.TryGetValue(name, out wrapper))
{
return(wrapper);
}
try {
System.Type type = _assemblies[0].GetType(name);
if (type == null)
{
return(null);
}
wrapper = new FastWrapper(type, false);
_types.Add(name, wrapper);
return(wrapper);
} catch {
return(null);
}
}
