public void InsertInToDb <T>(ref T item)
where T : class, new()
{
item = SmartDbEntityAgentFactory.Of(item);
SmartDbBus.PlanToWriteToDb(item, DbActionType.Insert);
//return item;
}
/// <summary>
/// 仅仅添加到缓存
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public T AddCache(T item)
{
T agent = SmartDbEntityAgentFactory.Of(item);
_data.Add(agent);
return(agent);
}
/// <summary>
/// 增
/// </summary>
public T Insert(ref T item)
{
T agent = SmartDbEntityAgentFactory.Of(item);
_data.Add(agent);
//记录到案
this.WriteToDb(agent, DbActionType.Insert);
item = agent;
return(agent);
}
public SmartDbSet(IEnumerable <T> data)
{
if (data != null)
{
foreach (var item in data)
{
T agent = SmartDbEntityAgentFactory.Of(item);
_data.Add(agent);
}
}
}
public static void PreLoad(string assemblyName)
{
var assembly = Assembly.Load(assemblyName);
foreach (var type in assembly.ExportedTypes)
{
if (type.GetCustomAttribute <DataContractAttribute>() != null)
{
var t = SmartDbEntityAgentFactory.OfType(type);
var dbt = QueryDbTypeInfo(t);
}
}
}
public T QueryDbEntity <T>(string sql, object param = null)
where T : class, new()
{
int retrynumb = 0;
Exception e = null;
do
{
try
{
if (_connReader == null)
{
_connReader = new MySqlConnection(this._connstr);
_connReader.Open();
}
var entity = _connReader.QueryFirstOrDefault <T>(sql, param);
if (entity == null)
{
return(null);
}
T agent = SmartDbEntityAgentFactory.Of(entity);
return(agent);
}
catch (Exception ex)
{
e = ex;
if (_connReader != null)
{
_connReader.Dispose();
}
_connReader = null;
retrynumb++;
}
} while (retrynumb < 10);
if (retrynumb >= 10)
{
this.UnHandledSqlCommandExecuteException?.Invoke(this, e);
}
return(null);
}
