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skidoodle 2024-03-13 00:33:46 +01:00
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Tools/CodeGeneration/Templates/Server/DataAccess/DataAccessor/NoWaitForLock.tdl Normal file
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//***************************************************************************//
// Legenerálja a DA-hoz a zárolási műveletet. //
//***************************************************************************//
template GenerateNoWaitForLock(ENTITYNAME)
#region No wait for lock
private string GetNoWaitForLockCommandText()
{
string result = null;
switch (SDAServer.Instance.Configuration.DataBaseType)
{
case DataBaseType.MSSQL:
{
result = "select SERIAL from [ConvertNameToSQLTableName([ENTITYNAME])] with(updlock) where ID = :[ConvertNameToCommandParameterName("ID")] {0} ";
break;
}
case DataBaseType.ORACLE:
case DataBaseType.NATIVEORACLE:
{
result = "select SERIAL from [ConvertNameToSQLTableName([ENTITYNAME])] where ID = :[ConvertNameToCommandParameterName("ID")] {0} for update nowait ";
break;
}
default:
{
throw new NotSupportedException(SDAServer.Instance.Configuration.DataBaseType.ToString());
}
}
result = String.Format(result, "");
return result;
}
public int NoWaitForLock([ENTITYNAME] entity)
{
//Console.WriteLine("*** NoWaitForLock 35");
using ([GetCSharpSQLCommandType()] command = DataAccessor.CreateCommand(this.GetNoWaitForLockCommandText()))
{
command.Parameters.Add("[ConvertNameToCommandParameterName("ID")]", [GetCSharpSQLIDType()]).Value = entity.ID;
int result = -1;
using ([GetCSharpSQLDataReaderType()] reader = command.ExecuteReader())
{
if (reader.Read())
{
result = Convert.ToInt32(reader.GetValue(0));
if (reader.Read())
{
throw new Kreta.Framework.DataIntegrityException("Egyediség megsértése: [ENTITYNAME].");
}
}
else
{
throw new Kreta.Framework.Exceptions.EntityNotFoundException("[ENTITYNAME]", entity.ID);
}
}
return result;
}
}
#endregion
end template
/* REFACTOR
template GenerateNoWaitForLock(classname)
#region No wait for lock
[GenerateCommandGetterProperty("NoWaitForLock")]
/// <summary>
///
/// </summary>
/// <returns>A műveletet elvégző SQL parancs.</returns>
private [GetCSharpSQLCommandType()] [GenerateCommandCreatorName("NoWaitForLock")]()
{
[GetCSharpSQLCommandType()] result = new [GetCSharpSQLCommandType()]();
result.CommandType = CommandType.Text;
result.Parameters.Add("[ConvertNameToCommandParameterName("ID")]", [GetCSharpSQLIDType()]);
switch (SDAServer.Instance.Configuration.DataBaseType)
{
case DataBaseType.MSSQL:
{
result.CommandText = "select SERIAL from [ConvertNameToSQLTableName([classname])] with(updlock) where ID = :[ConvertNameToCommandParameterName("ID")] ";
break;
}
case DataBaseType.ORACLE:
case DataBaseType.NATIVEORACLE:
{
result.CommandText = "select SERIAL from [ConvertNameToSQLTableName([classname])] where ID = :[ConvertNameToCommandParameterName("ID")] ";
result.CommandText += " for update nowait";
break;
}
default:
{
throw new NotSupportedException(SDAServer.Instance.Configuration.DataBaseType.ToString());
}
}
return result;
}
/// <summary>
///
/// </summary>
public int NoWaitForLock([classname] entity)
{
[GetCSharpSQLDataReaderType()] reader = null;
[GetCSharpSQLCommandType()] command = this.[ConvertNameToCommandName("NoWaitForLock")];
[GenerateCommandInit("command")]
command.Parameters\["[ConvertNameToCommandParameterName("ID")]"\].Value = entity.ID;
int result = -1;
using (reader = command.ExecuteReader())
{
if (reader.Read())
{
result = Convert.ToInt32(reader.GetValue(0));
System.Diagnostics.Debug.Assert(reader.Read() == false, "Több ilyen entitást találtam az adatbázisban..."); // XXX
}
else
{
throw new Kreta.Framework.Exceptions.EntityNotFoundException("[classname]", entity.ID);
}
}
return result;
}
#endregion
end template
*/