public AuditProcess Get(IEventSource session)
{
var transaction = (object)session.GetCurrentTransaction() ?? System.Transactions.Transaction.Current;
if (!_auditProcesses.TryGetValue(transaction, out var auditProcess))
{
// No worries about registering a transaction twice - a transaction is single thread
auditProcess = new AuditProcess(_revisionInfoGenerator, session);
_auditProcesses[transaction] = auditProcess;
var tranProcess = new transactionCompletionProcess(_auditProcesses, transaction);
session.ActionQueue.RegisterProcess((IBeforeTransactionCompletionProcess)tranProcess);
session.ActionQueue.RegisterProcess((IAfterTransactionCompletionProcess)tranProcess);
}
return(auditProcess);
}
/// <summary>
/// Gets the versioned transaction processor associated with the transaction.
/// </summary>
/// <exception cref="InvalidOperationException">If the session does not have a transaction.</exception>
public VersionedTransactionProcessor Get(IEventSource session)
{
var transaction = session.GetCurrentTransaction();
if (transaction == null)
{
throw new InvalidOperationException("acts as versioned: transaction is required");
}
return(_processors.GetOrAdd(transaction, tx =>
{
var vp = new VersionedTransactionProcessor(session);
// Register with the session so that the versioned transaction processor is invoked
// just prior to the transaction commit, and that it is cleaned up after the transaction
// has completed.
var transactionCompletionProcess = new TransactionCompletionProcess(_processors, tx);
session.ActionQueue.RegisterProcess((IBeforeTransactionCompletionProcess)transactionCompletionProcess);
session.ActionQueue.RegisterProcess((IAfterTransactionCompletionProcess)transactionCompletionProcess);
return vp;
}));
}