/// <summary>
/// Prepares the enlited resource managers for committal.
/// </summary>
/// <returns><lang langref="true"/> if all polled participants voted to commit;
/// <lang langref="false"/> otherwise.</returns>
internal bool Prepare()
{
if (TransactionInformation.Status != TransactionStatus.Active)
{
throw new TransactionException("Cannot prepare transaction, as it is not active. Transaction Status: " +
TransactionInformation.Status);
}
var booVoteToCommit = true;
for (var i = m_lstNotifications.Count - 1; i >= 0; i--)
{
var entNotification = m_lstNotifications[i];
var lpeEnlistment = new PreparingEnlistment();
entNotification.Prepare(lpeEnlistment);
if (lpeEnlistment.VoteToCommit.HasValue)
{
booVoteToCommit &= lpeEnlistment.VoteToCommit.Value;
if (lpeEnlistment.DoneProcessing)
{
m_lstNotifications.RemoveAt(i);
}
}
else
{
booVoteToCommit = false;
TransactionInformation.Status = TransactionStatus.InDoubt;
}
}
if (TransactionInformation.Status == TransactionStatus.InDoubt)
{
NotifyInDoubt();
}
return booVoteToCommit;
}
public void Prepare(PreparingEnlistment preparingEnlistment)
{
preparingEnlistment.Prepared();
}
/// <summary>
/// Tells al participanting resource managers to commit their changes.
/// </summary>
internal void Commit()
{
if (TransactionInformation.Status != TransactionStatus.Active)
{
throw new TransactionException("Cannot commit transaction, as it is not active. Trasnaction Status: " +
TransactionInformation.Status);
}
for (var i = m_lstNotifications.Count - 1; i >= 0; i--)
{
var entNotification = m_lstNotifications[i];
var lpeEnlistment = new PreparingEnlistment();
entNotification.Commit(lpeEnlistment);
if (lpeEnlistment.DoneProcessing)
{
m_lstNotifications.RemoveAt(i);
}
}
if (m_lstNotifications.Count > 0)
{
TransactionInformation.Status = TransactionStatus.InDoubt;
NotifyInDoubt();
}
else
{
TransactionInformation.Status = TransactionStatus.Committed;
}
}