/// <summary>
/// 更新语句后处理(单个实体操作不引发)
/// </summary>
/// <param name="condition">执行条件</param>
/// <param name="args">参数值</param>
/// <param name="operatorType">操作类型</param>
private void OnOperatorExecutd(string condition, IEnumerable <MySqlParameter> args, DataOperatorType operatorType)
{
var mySqlParameters = args as MySqlParameter[] ?? args.ToArray();
OnOperatorExecutd(operatorType, condition, mySqlParameters);
DataUpdateHandler.OnOperatorExecutd(TableId, condition, mySqlParameters, operatorType);
}
/// <summary>
/// 与更新同时执行的SQL(更新之后立即执行)
/// </summary>
/// <param name="condition">当前场景的执行条件</param>
/// <returns></returns>
private string AfterUpdateSql(string condition)
{
var code = new StringBuilder();
AfterUpdateSql(code, condition);
DataUpdateHandler.AfterUpdateSql(this, code, TableId, condition);
return(code.ToString());
}
/// <summary>
/// 得到可正确拼接的SQL条件语句（可能是没有）
/// </summary>
/// <param name="condition"></param>
/// <returns></returns>
private string ContitionSqlCode(string condition)
{
List <string> conditions = new List <string>();
if (!_baseConditionInited)
{
InitBaseCondition();
_baseConditionInited = true;
}
if (!string.IsNullOrEmpty(BaseCondition))
{
conditions.Add(BaseCondition);
}
if (!string.IsNullOrEmpty(condition))
{
conditions.Add(condition);
}
ContitionSqlCode(conditions);
DataUpdateHandler.ContitionSqlCode <TData>(TableId, conditions);
if (conditions.Count == 0)
{
return(null);
}
var code = new StringBuilder();
bool isFirst = true;
foreach (var con in conditions)
{
if (isFirst)
{
isFirst = false;
code.Append("\nWHERE ");
}
else
{
code.Append(" AND ");
}
code.Append($"({con})");
}
return(code.ToString());
}
/// <summary>
/// 保存完成后期处理
/// </summary>
/// <param name="entity">保存的对象</param>
/// <param name="operatorType">操作类型</param>
private void OnDataSaved(TData entity, DataOperatorType operatorType)
{
OnDataSaved(operatorType, entity);
DataUpdateHandler.OnDataSaved(entity, operatorType);
}
/// <summary>
/// 保存前处理
/// </summary>
/// <param name="entity">保存的对象</param>
/// <param name="operatorType">操作类型</param>
private void OnPrepareSave(TData entity, DataOperatorType operatorType)
{
OnPrepareSave(operatorType, entity);
DataUpdateHandler.OnPrepareSave(entity, operatorType);
}
static MySqlTable()
{
DataUpdateHandler.InitType <TData>();
}