/// <summary>
/// Disposes this transaction. Commits the transaction if this is the parent transaction.
/// </summary>
public void Dispose()
{
if (!isDisposed)
{
// if this is the real transaction that is being disposed, null the current transaction
if (this.realGlobalTransaction == null)
{
GlobalTransaction.CurrentGlobalTransaction = null;
}
// commit all transactions and close the connection
foreach (IDbTransaction transaction in this.openTransactions.Values)
{
using (IDbConnection connection = transaction.Connection)
{
using (transaction)
{
transaction.Commit();
}
}
}
this.openTransactions.Clear();
isDisposed = true;
}
}
/// <summary>
/// Private constructor to create global transaction with the given parent transaction
/// </summary>
private GlobalTransaction(GlobalTransaction realGlobalTransaction)
{
this.realGlobalTransaction = realGlobalTransaction;
}
/// <summary>
/// Begins a global transaction. Creates a new GlobalTransaction if none is already started or returns
/// a wrapper around existing one if one is already started. DO NOT CALL THIS METHOD DIRECTLY, USE DataAcessManager.StartGlobalTransaction
/// API instead.
/// </summary>
internal static GlobalTransaction BeginGlobalTransaction()
{
GlobalTransaction transaction = null;
if (GlobalTransaction.CurrentGlobalTransaction == null)
{
GlobalTransaction.CurrentGlobalTransaction = new GlobalTransaction();
transaction = GlobalTransaction.CurrentGlobalTransaction;
}
else
{
// This will only happen when somebody starts a nested global transaction
// returned global transaction is just a dummy wrapper around main global transaction
transaction = new GlobalTransaction(GlobalTransaction.CurrentGlobalTransaction);
}
return transaction;
}
