/// <summary>
/// 删除过时的AIS数据操作
/// </summary>
private static void DeleteAISdata(MySql.Data.MySqlClient.MySqlConnection connection, AisControl controlObject)
{
// 开始事务处理
MySql.Data.MySqlClient.MySqlTransaction transaction = connection.BeginTransaction();
MySql.Data.MySqlClient.MySqlCommand command = connection.CreateCommand();
DateTime lastDynamicTime = DateTime.Now.Subtract(new TimeSpan(0, 4, 0, 0));
DateTime lastStaticTime = DateTime.Now.Subtract(new TimeSpan(15, 0, 0, 0));
string sqlDeleteAisData = "delete from realtimeaisdynamicinfotable where AISTimeStamp < '" + lastDynamicTime + "';";
sqlDeleteAisData += "delete from realtimeaisstaticinfotable where Timestamp < '" + lastStaticTime + "';";
try
{
command.CommandText = sqlDeleteAisData;
command.ExecuteNonQuery();
// 提交数据入库
transaction.Commit();
if (controlObject != null)
{
// 提交错误日志
controlObject.AddStatusString("AIS过时数据删除操作成功。");
}
command.Dispose();
}
catch (Exception ex)
{
// 放弃当前的数据入库操作
transaction.Rollback();
if (controlObject != null)
{
// 提交错误日志
controlObject.AddStatusString("AIS过时数据删除操作失败。\r\n错误信息为：" + ex.ToString());
}
}
}
/// <summary>
/// 动态数据入库操作
/// </summary>
private static void SaveDynamicData(MySql.Data.MySqlClient.MySqlConnection connection, List <string> dynamicSqlCommandCollection, AisControl controlObject)
{
// 开始事务处理
MySql.Data.MySqlClient.MySqlTransaction transaction = connection.BeginTransaction();
MySql.Data.MySqlClient.MySqlCommand command = connection.CreateCommand();
try
{
// 批量更新
foreach (string cmd in dynamicSqlCommandCollection)
{
command.CommandText = cmd;
command.ExecuteNonQuery();
}
// 提交数据入库
transaction.Commit();
if (controlObject != null)
{
// 提交错误日志
controlObject.AddStatusString("动态数据入库操作成功。动态目标数量[" + dynamicSqlCommandCollection.Count.ToString() + "]");
}
}
catch (Exception ex)
{
// 放弃当前的数据入库操作
transaction.Rollback();
if (controlObject != null)
{
// 提交错误日志
controlObject.AddStatusString("动态数据入库操作失败。\r\n错误信息为：" + ex.ToString());
}
}
}