public bool InsertToHistoryDataTable(List <OPCItemData> itemDataList, out string errMsg)
{
errMsg = string.Empty;
#region 检查数据连接设置
if (ServerName.Trim() == string.Empty ||
UserName.Trim() == string.Empty ||
Password.Trim() == string.Empty ||
NewDataTableName.Trim() == string.Empty)
{
errMsg = "数据库连接设置无效";
OPCLog.Error("数据库连接设置无效");
return(false);
}
if (this.m_dal == null)
{
switch (DatabaseType)
{
case OPCUtils.DatabaseType.MSSQLServer:
this.m_dal = new OPCClientMSSQLDAL(ServerName, DatabaseName, UserName, Password);
break;
case OPCUtils.DatabaseType.Oracle:
this.m_dal = new OPCClientOracleDAL(ServerName, UserName, Password);
break;
default:
break;
}
if (!this.m_dal.CreateConnection(out errMsg))
{
return(false);
}
}
#endregion
//OPCUtils.LogDataChangeTime("数据刷新-插入历史数据-插入数据表-获取数据实体");
List <OPCClientItemEntity> itemEntities = GetEntities(itemDataList);
//OPCUtils.LogDataChangeTime("数据刷新-插入历史数据-插入数据表-开始插入");
foreach (OPCClientItemEntity itemEntity in itemEntities)
{
//OPCUtils.LogDataChangeTime("数据刷新-插入历史数据-插入数据表-插入实体");
string dalErr = string.Empty;
if (!this.m_dal.InsertItem(HistoryDataTableName, itemEntity, out dalErr))
{
errMsg = dalErr;
}
}
//OPCUtils.LogDataChangeTime("数据刷新-插入历史数据-插入数据表-结束插入");
return(true);
}
public void RefreshDBConnectionSetting()
{
this.m_dal = null;
}
public bool UpdateNewDataTable(List <OPCItemData> itemDataList, out string errMsg)
{
//MessageBox.Show("NewDataTable ItemDataList: " + itemDataList.Count.ToString());
errMsg = string.Empty;
#region 检查数据连接设置
if (ServerName.Trim() == string.Empty ||
UserName.Trim() == string.Empty ||
Password.Trim() == string.Empty ||
NewDataTableName.Trim() == string.Empty)
{
errMsg = "数据库连接设置无效";
OPCLog.Error("数据库连接设置无效");
return(false);
}
if (this.m_dal == null)
{
switch (DatabaseType)
{
case OPCUtils.DatabaseType.MSSQLServer:
this.m_dal = new OPCClientMSSQLDAL(ServerName, DatabaseName, UserName, Password);
break;
case OPCUtils.DatabaseType.Oracle:
this.m_dal = new OPCClientOracleDAL(ServerName, UserName, Password);
break;
default:
break;
}
if (!this.m_dal.CreateConnection(out errMsg))
{
return(false);
}
}
#endregion
#region 清空原有实时数据
/*
* if (!this.m_dal.ClearItems(NewDataTableName, out errMsg))
* {
* return false;
* }
*/
#endregion
List <OPCClientItemEntity> itemEntities = GetEntities(itemDataList);
foreach (OPCClientItemEntity itemEntity in itemEntities)
{
string dalErr = string.Empty;
string status = this.m_dal.QueryItemDataStatus(NewDataTableName, itemEntity, out dalErr);
if (status != string.Empty)
{
SyncSensorStatus(itemEntity, status);
}
if (!this.m_dal.DeleteItem(NewDataTableName, itemEntity, out dalErr) ||
!this.m_dal.InsertItem(NewDataTableName, itemEntity, out dalErr))
{
errMsg = dalErr;
}
}
return(true);
}