/// <summary>
/// Checks whether an Extract with a certain Extract Name exists.
/// </summary>
/// <param name="AExtractName">Name of the Extract to check for.</param>
/// <returns>True if an Extract with the specified Extract Name exists,
/// otherwise false.</returns>
public static bool CheckExtractExists(string AExtractName)
{
TDBTransaction ReadTransaction;
Boolean NewTransaction;
Boolean ReturnValue = false;
MExtractMasterRow TemplateRow;
ReadTransaction = DBAccess.GDBAccessObj.GetNewOrExistingTransaction(IsolationLevel.ReadCommitted,
TEnforceIsolationLevel.eilMinimum, out NewTransaction);
// Check if there is already an extract with the extract name
try
{
TemplateRow = new MExtractMasterTable().NewRowTyped(false);
TemplateRow.ExtractName = AExtractName;
if (MExtractMasterAccess.CountUsingTemplate(TemplateRow, null, ReadTransaction) > 0)
{
ReturnValue = true;
}
if (NewTransaction)
{
DBAccess.GDBAccessObj.CommitTransaction();
TLogging.LogAtLevel(8, "TExtractsHandling.CheckExtractExists: committed own transaction!");
}
}
catch (Exception Exc)
{
TLogging.Log("An Exception occured during the checking whether an Extract exists:" + Environment.NewLine + Exc.ToString());
if (NewTransaction)
{
DBAccess.GDBAccessObj.RollbackTransaction();
}
throw;
}
return(ReturnValue);
}
/// <summary>
/// Checks whether an Extract with a certain Extract Name exists.
/// </summary>
/// <param name="AExtractName">Name of the Extract to check for.</param>
/// <returns>True if an Extract with the specified Extract Name exists,
/// otherwise false.</returns>
public static bool CheckExtractExists(string AExtractName)
{
TDBTransaction Transaction = new TDBTransaction();
Boolean ReturnValue = false;
MExtractMasterRow TemplateRow;
DBAccess.ReadTransaction(
ref Transaction,
delegate
{
// Check if there is already an extract with the extract name
TemplateRow = new MExtractMasterTable().NewRowTyped(false);
TemplateRow.ExtractName = AExtractName;
if (MExtractMasterAccess.CountUsingTemplate(TemplateRow, null, Transaction) > 0)
{
ReturnValue = true;
}
});
return(ReturnValue);
}
/// <summary>
/// Checks whether an Extract with a certain Extract Name exists.
/// </summary>
/// <param name="AExtractName">Name of the Extract to check for.</param>
/// <returns>True if an Extract with the specified Extract Name exists,
/// otherwise false.</returns>
public static bool CheckExtractExists(string AExtractName)
{
TDBTransaction Transaction = null;
Boolean ReturnValue = false;
MExtractMasterRow TemplateRow;
DBAccess.GDBAccessObj.GetNewOrExistingAutoReadTransaction(IsolationLevel.ReadCommitted,
TEnforceIsolationLevel.eilMinimum,
ref Transaction,
delegate
{
// Check if there is already an extract with the extract name
TemplateRow = new MExtractMasterTable().NewRowTyped(false);
TemplateRow.ExtractName = AExtractName;
if (MExtractMasterAccess.CountUsingTemplate(TemplateRow, null, Transaction) > 0)
{
ReturnValue = true;
}
});
return(ReturnValue);
}